MKSI
MKS INC
$355.69
+3.00%
$24.0B
No data for this timeframe.
Vol
Market Cap$24.0B
Cap SizeLarge Cap
Analyst ConsensusStrong Buy (85%)
Inst. Holders50 funds
Inst. Value$9.6B
Inst. Activity24 buys / 26 sells
Insider Activity0B / 27S
Insider Net $-$27.7M
SEC Reports18
Exchange Nasdaq·Sector Industrial Instruments For Measurement, Display, and Control·Inc. MA·CIK 0001049502·Prev Close $345.32
Recent Activity
Jun 8, 2026
SEC
Three MKSI insiders sold a total of $2.75M in open-market transactions over a one-week window, including the EVP of Glob
CLUSTER — Impact 2/10
Jun 8, 2026
short_volume
Short Volume: MKSI — 60.8% short (0.3M / 0.5M)
Short: 318,763 | Exempt: 0 | TRF Vol: 524,648 | Short Ratio: 60.8% | Off-exchange volume (dark pool
Jun 5, 2026
Insider
McCarthy Michelle M sold 2,434 shares
SVP & Chief Accounting Officer @ $315.23 ($767.3K)
Jun 2, 2026
SEC
Four MKSI insiders sold a total of $2.82M in open-market transactions over a 7-day window, with the largest sale ($1.89M
CLUSTER — Impact 3/10
Jun 2, 2026
SEC
Three directors and one EVP sold a total of ~$1.76M in open-market sales over a 7-day window. The sales are moderate in
CLUSTER — Impact 4/10
Jun 1, 2026
Insider
Henry David Philip sold 6,000 shares
EVP, Global Str Mktg & GM, MSD @ $314.43 ($1.9M)
Jun 1, 2026
Insider
Mora Elizabeth sold 300 shares
Director @ $318.02 ($95.4K)
Inst.
Capital International Investors — TRIM
1,968,770 shares ($452.4M)
Price Targets
$359.92
+1.2% upside
Hold
Current $355.69
Low $265.00
Median $369.50
High $400.00
12 analysts
$265.00
$400.00
Analyst Ratings
4Strong Buy
13Buy
2Hold
1Sell
0Strong Sell
Recent Analyst Actions
| Date | Firm | Action | Rating |
|---|---|---|---|
| May 18, 2026 | Morgan Stanley | MAINTAIN | Overweight → Overweight |
| May 8, 2026 | Citigroup | MAINTAIN | Buy → Buy |
| May 8, 2026 | JP Morgan | MAINTAIN | Overweight → Overweight |
| May 8, 2026 | Wells Fargo | MAINTAIN | Equal-Weight → Equal-Weight |
| May 8, 2026 | Keybanc | MAINTAIN | Overweight → Overweight |
Earnings Estimates
| Period | EPS Est. | Range | Growth | # |
|---|---|---|---|---|
| Current Q | $2.95 ▲ +24.3% | $2.90 — $3.09 | 67% YoY | 12 |
| Next Q | $3.15 ▲ +19.8% | $2.95 — $3.38 | 63% YoY | 12 |
| Current FY | $11.70 ▲ +17.6% | $11.06 — $12.36 | 48% YoY | 12 |
| Next FY | $14.95 ▲ +23.0% | $13.50 — $17.01 | 28% YoY | 11 |
Latest Reports
NEUTRAL
CLUSTER
2/10
Three MKSI insiders sold a total of $2.75M in open-market transactions over a one-week window, including the EVP of Glob
Jun 8, 2026
NEUTRAL
CLUSTER
3/10
Four MKSI insiders sold a total of $2.82M in open-market transactions over a 7-day window, with the largest sale ($1.89M
Jun 2, 2026
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| BlackRock, Inc. | $1.5B | — |
| Invesco Ltd. | $855.2M | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $847.0M | — |
| VANGUARD CAPITAL MANAGEMENT LLC | $692.7M | — |
| STATE STREET CORP | $472.9M | — |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| Jun 5, 2026 | McCarthy Michelle | SELL | $767.3K |
| Jun 1, 2026 | Henry David | SELL | $1.9M |
| Jun 1, 2026 | Mora Elizabeth | SELL | $95.4K |
| May 27, 2026 | Donahue Joseph | SELL | $688.7K |
| May 27, 2026 | COLELLA GERALD | SELL | $153.3K |
50 institutional holders with $9.6B total value (41,750,569 shares) as of 2026-Q1. Top holders: BlackRock,, Invesco, VANGUARD. Net selling activity: 26 institutions trimmed/exited vs 24 added.
Top Institutional Holders — 2026-Q1
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6,641,730 | $1.5B | 16.0% | — |
| 2 | Invesco Ltd. | 3,721,459 | $855.2M | 8.9% | — |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3,685,493 | $847.0M | 8.9% | — |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3,014,201 | $692.7M | 7.2% | — |
| 5 | STATE STREET CORP | 2,057,732 | $472.9M | 4.9% | — |
| 6 | Capital International Investors | 1,968,770 | $452.4M | 4.7% | TRIM -39.2% |
| 7 | FMR LLC | 1,933,843 | $444.4M | 4.6% | TRIM -39.5% |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | 1,833,137 | $421.3M | 4.4% | TRIM -28.2% |
| 9 | Point72 Asset Management, L.P. | 1,610,331 | $370.1M | 3.9% | DOUBLED +157.3% |
| 10 | Neuberger Berman Group LLC | 1,433,529 | $329.4M | 3.4% | — |
| 11 | Capital World Investors | 1,277,200 | $293.5M | 3.1% | NEW |
| 12 | CITADEL ADVISORS LLC | 947,032 | $217.6M | 2.3% | — |
| 13 | VICTORY CAPITAL MANAGEMENT INC | 878,758 | $201.9M | 2.1% | TRIM -65.7% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 866,647 | $199.2M | 2.1% | — |
| 15 | DIMENSIONAL FUND ADVISORS LP | 835,345 | $191.9M | 2.0% | TRIM -25.2% |
| 16 | MORGAN STANLEY | 515,063 | $118.4M | 1.2% | — |
| 17 | FRANKLIN RESOURCES INC | 475,893 | $109.4M | 1.1% | TRIM -54.3% |
| 18 | BANK OF AMERICA CORP /DE/ | 463,709 | $106.6M | 1.1% | — |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 460,300 | $105.8M | 1.1% | — |
| 20 | VANGUARD FIDUCIARY TRUST CO | 417,114 | $95.9M | 1.0% | — |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| Capital International Investors | TRIM | 3,239,230 | 1,968,770 | -39.2% | $452.4M | 2026-Q1 |
| FMR LLC | TRIM | 3,198,335 | 1,933,843 | -39.5% | $444.4M | 2026-Q1 |
| WELLINGTON MANAGEMENT GROUP LLP | TRIM | 2,552,021 | 1,833,137 | -28.2% | $421.3M | 2026-Q1 |
| Point72 Asset Management, L.P. | DOUBLED | 625,799 | 1,610,331 | +157.3% | $370.1M | 2026-Q1 |
| Capital World Investors | NEW | — | 1,277,200 | — | $293.5M | 2026-Q1 |
| VICTORY CAPITAL MANAGEMENT INC | TRIM | 2,562,399 | 878,758 | -65.7% | $201.9M | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP | TRIM | 1,117,487 | 835,345 | -25.2% | $191.9M | 2026-Q1 |
| FRANKLIN RESOURCES INC | TRIM | 1,041,725 | 475,893 | -54.3% | $109.4M | 2026-Q1 |
| ROYCE & ASSOCIATES LP | TRIM | 616,605 | 403,670 | -34.5% | $92.8M | 2026-Q1 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | TRIM | 606,214 | 400,319 | -34.0% | $92.0M | 2026-Q1 |
| TREMBLANT CAPITAL GROUP | NEW | — | 329,786 | — | $75.8M | 2026-Q1 |
| NORDEA INVESTMENT MANAGEMENT AB | TRIM | 599,842 | 326,308 | -45.6% | $71.5M | 2026-Q1 |
| NOMURA HOLDINGS INC | TRIM | 364,033 | 269,356 | -26.0% | $61.9M | 2026-Q1 |
| Amundi | ADD | 140,223 | 254,748 | +81.7% | $58.5M | 2026-Q1 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | NEW | — | 166,066 | — | $38.2M | 2026-Q1 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | TRIM | 550,735 | 161,250 | -70.7% | $37.1M | 2026-Q1 |
| LOOMIS SAYLES & CO L P | TRIM | 184,233 | 127,131 | -31.0% | $29.2M | 2026-Q1 |
| BANK OF MONTREAL /CAN/ | TRIM | 164,794 | 117,132 | -28.9% | $26.9M | 2026-Q1 |
| Daiwa Securities Group Inc. | DOUBLED | 530 | 107,304 | +20146.0% | $24.7M | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC | NEW | — | 103,603 | — | $23.8M | 2026-Q1 |
| AMERIPRISE FINANCIAL INC | TRIM | 142,495 | 99,188 | -30.4% | $22.8M | 2026-Q1 |
| MARSHALL WACE, LLP | NEW | — | 98,690 | — | $22.7M | 2026-Q1 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | TRIM | 156,605 | 97,814 | -37.5% | $22.5M | 2026-Q1 |
| Polar Capital Holdings Plc | TRIM | 143,498 | 72,211 | -49.7% | $16.6M | 2026-Q1 |
| ExodusPoint Capital Management, LP | NEW | — | 60,098 | — | $13.8M | 2026-Q1 |
15 unique insiders with 46 transactions. Net insider value: -$27.7M ($0.00 bought, $27.7M sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 5, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | SELL | 2,434 | $315.23 | $767.3K |
| Jun 1, 2026 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | SELL | 6,000 | $314.43 | $1.9M |
| Jun 1, 2026 | Mora Elizabeth | Director | SELL | 300 | $318.02 | $95.4K |
| May 27, 2026 | Donahue Joseph B | Director | SELL | 2,100 | $327.95 | $688.7K |
| May 27, 2026 | COLELLA GERALD G | Director | SELL | 464 | $330.38 | $153.3K |
| May 26, 2026 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | SELL | 2,500 | $330.50 | $826.3K |
| May 22, 2026 | Lee John Tseng-Chung | President & CEO | SELL | 10,000 | $315.48 | $3.2M |
| May 22, 2026 | Mayampurath Ramakumar | EVP & CFO | SELL | 8,810 | $315.48 | $2.8M |
| May 18, 2026 | CANNONE PETER III | Director | SELL | 1,350 | $303.40 | $409.6K |
| May 14, 2026 | Moloney Jacqueline F | Director | SELL | 1,000 | $312.20 | $312.2K |
| May 13, 2026 | Moloney Jacqueline F | Director | SELL | 1,400 | $318.99 | $446.6K |
| May 11, 2026 | COLELLA GERALD G | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | Batra Raj | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | CANNONE PETER III | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | Donahue Joseph B | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | Burke Kathleen Flaherty | EVP, GC & Secretary | SELL | 4,355 | $319.94 | $1.4M |
| May 11, 2026 | Mora Elizabeth | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | JABRE WISSAM G | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | Moloney Jacqueline F | Director | AWARD | 781.959 | — | — |
| May 11, 2026 | Taranto Eric Robert | EVP & GM, VSD | SELL | 2,848.522 | $319.93 | $911.3K |
| Apr 17, 2026 | Williams John Edward | EVP & GM, PSD | EXERCISE | 1,740.714 | — | — |
| Apr 17, 2026 | Williams John Edward | EVP & GM, PSD | TAX W/H | 825.969 | $269.89 | $222.9K |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | EXERCISE | 968 | — | — |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | TAX W/H | 1,375.451 | $274.15 | $377.1K |
| Apr 15, 2026 | McCarthy Michelle M | SVP & Chief Accounting Officer | AWARD | 1,672.862 | — | — |
| Mar 12, 2026 | Moloney Jacqueline F | Director | SELL | 340.107 | $213.77 | $72.7K |
| Mar 6, 2026 | Taranto Eric Robert | EVP & GM, VSD | SELL | 4,567.879 | $220.52 | $1.0M |
| Mar 2, 2026 | Mora Elizabeth | Director | SELL | 300 | $239.44 | $71.8K |
| Feb 24, 2026 | Schreiner James Alan | EVP & COO | SELL | 4,100 | $255.00 | $1.0M |
| Feb 24, 2026 | COLELLA GERALD G | Director | SELL | 10,000 | $253.97 | $2.5M |
| Feb 20, 2026 | McCarthy Michelle M | VP & Chief Accounting Officer | SELL | 650 | $249.57 | $162.2K |
| Feb 20, 2026 | CANNONE PETER III | Director | SELL | 1,250 | $258.06 | $322.6K |
| Feb 20, 2026 | COLELLA GERALD G | Director | SELL | 10,000 | $252.90 | $2.5M |
| Feb 20, 2026 | Moloney Jacqueline F | Director | SELL | 829 | $247.55 | $205.2K |
| Feb 20, 2026 | Williams John Edward | EVP & GM, PSD | SELL | 2,042.625 | $256.41 | $523.7K |
| Feb 20, 2026 | Taranto Eric Robert | EVP & GM, VSD | SELL | 1,452.73 | $247.55 | $359.6K |
| Feb 20, 2026 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | SELL | 2,000 | $261.56 | $523.1K |
| Feb 20, 2026 | Lee John Tseng-Chung | President & CEO | SELL | 13,310 | $256.05 | $3.4M |
| Feb 20, 2026 | Burke Kathleen Flaherty | EVP, GC & Secretary | SELL | 4,254 | $250.00 | $1.1M |
| Feb 8, 2026 | Lee John Tseng-Chung | President & CEO | AWARD | 50,971.84 | — | — |
| Feb 8, 2026 | Williams John Edward | EVP & GM, PSD | AWARD | 2,973.357 | — | — |
| Feb 8, 2026 | Taranto Eric Robert | EVP & GM, VSD | AWARD | 3,504.314 | — | — |
| Feb 8, 2026 | Schreiner James Alan | EVP & COO | AWARD | 5,226.759 | — | — |
| Feb 8, 2026 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | AWARD | 5,521.949 | — | — |
| Feb 8, 2026 | Mayampurath Ramakumar | EVP & CFO | AWARD | 8,877.596 | — | — |
| Feb 8, 2026 | Burke Kathleen Flaherty | EVP, GC & Secretary | AWARD | 7,008.628 | — | — |
18 SEC filing reports analyzed. Sentiment: 0 bullish, 1 bearish, 0 mixed, 17 neutral. Avg impact: 3.2/10.
NEUTRAL
CLUSTER
2/10
Three MKSI insiders sold a total of $2.75M in open-market transactions over a one-week window, inclu
Jun 8, 2026
NEUTRAL
CLUSTER
3/10
Four MKSI insiders sold a total of $2.82M in open-market transactions over a 7-day window, with the
Jun 2, 2026
NEUTRAL
CLUSTER
4/10
Three directors and one EVP sold a total of ~$1.76M in open-market sales over a 7-day window. The sa
Jun 2, 2026
NEUTRAL
CLUSTER
2/10
Five MKSI insiders sold $7.60M in open-market shares over a 7-day window, including the CEO ($3.15M)
May 28, 2026
NEUTRAL
CLUSTER
3/10
CEO, CFO, and two other executives sold a total of $6.9M in open-market sales over a 6-day window—th
May 28, 2026
NEUTRAL
CLUSTER
3/10
Three MKSI insiders, including the CEO and CFO, sold a combined $6.34M in open-market sales over a 7
May 26, 2026
NEUTRAL
CLUSTER
3/10
Two MKSI insiders, including the CEO, sold a combined $3.56M in open-market sales over a 7-day windo
May 26, 2026
NEUTRAL
CLUSTER
3/10
Four MKSI insiders (EVP & GM, EVP/GC, and two directors) sold $3.03M in open-market sales over a wee
May 19, 2026
NEUTRAL
CLUSTER
3/10
Three MKSI insiders sold shares totaling $2.62M over one week following strong Q1 earnings. The sale
May 15, 2026
NEUTRAL
CLUSTER
3/10
Three MKSI insiders sold a total of $2.75M in open-market sales within a week of the company reporti
May 14, 2026
NEUTRAL
CLUSTER
3/10
Two MKSI executives (EVP/GC and EVP/GM) sold a combined $2.3M in open-market sales on May 11, 2026,
May 12, 2026
NEUTRAL
PRESS-RELEASE
3/10
MKS Inc. announced a future earnings release date for Q1 2026, with no financial results reported in
Apr 13, 2026
NEUTRAL
8-K
3/10
Kathleen F. Burke, Executive Vice President, General Counsel, and Secretary of MKS Inc., notified th
Apr 6, 2026
NEUTRAL
DEFA14A
4/10
MKS Inc. has filed a definitive proxy statement for its 2026 annual meeting, where shareholders will
Mar 31, 2026
NEUTRAL
CLUSTER
3/10
Director Jacqueline Moloney sold 340 shares of MKSI in the open market for $72,705. This single tran
Mar 13, 2026
NEUTRAL
CLUSTER
4/10
An executive at MKSI — EVP & GM of VSD — sold over $1 million in shares through open-market transact
Mar 9, 2026
NEUTRAL
CLUSTER
2/10
Elizabeth Mora sold 300 shares of MKSI in an open-market transaction, generating proceeds of $71,832
Mar 3, 2026
BEARISH
CLUSTER
6/10
Two executives at MKS Instruments (MKSI) sold shares in the past week, including COO James Alan Schr
Feb 25, 2026
No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.
Current analyst consensus: Strong Buy (85% buy). Based on 20 analysts: 4 strong buy, 13 buy, 2 hold, 1 sell, 0 strong sell.
Analyst Price Targets
$359.92 mean target
+1.2% upside
Hold (1.75)
$265.00 Low
$400.00 High
| Metric | Value |
|---|---|
| Current Price | $355.69 |
| Target Low | $265.00 |
| Target Mean | $359.92 |
| Target Median | $369.50 |
| Target High | $400.00 |
| # Analysts | 12 |
| Recommendation | Hold (1.75) |
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| Current Q 2026-06-30 |
$2.95 | $2.90 | $3.09 | 66.8% | +24.3% | 12↑ 0↓ | $1.2B | 23.9% | 12 |
| Next Q 2026-09-30 |
$3.15 | $2.95 | $3.38 | 63.4% | +19.8% | 11↑ 0↓ | $1.2B | 25.7% | 12 |
| Current FY 2026-12-31 |
$11.70 | $11.06 | $12.36 | 48.5% | +17.6% | 12↑ 0↓ | $4.8B | 22.2% | 12 |
| Next FY 2027-12-31 |
$14.95 | $13.50 | $17.01 | 27.8% | +23.0% | 11↑ 0↓ | $5.5B | 15.1% | 11 |
Current Quarter EPS Revision History
| Timepoint | EPS Estimate | Change |
|---|---|---|
| Current | $2.952 | |
| 7d ago | $2.952 | |
| 30d ago | $2.375 | +0.577 |
| 60d ago | $2.367 | +0.585 |
| 90d ago | $2.356 | +0.596 |
12 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.
Individual Analyst Actions
| Date | Analyst Firm | Action | Previous Rating | New Rating |
|---|---|---|---|---|
| May 18, 2026 | Morgan Stanley | MAINTAIN | Overweight | Overweight |
| May 8, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| May 8, 2026 | JP Morgan | MAINTAIN | Overweight | Overweight |
| May 8, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| May 8, 2026 | Keybanc | MAINTAIN | Overweight | Overweight |
| May 7, 2026 | Needham | MAINTAIN | Buy | Buy |
| Apr 22, 2026 | Cantor Fitzgerald | MAINTAIN | Overweight | Overweight |
| Mar 20, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| Feb 19, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| Feb 19, 2026 | Goldman Sachs | MAINTAIN | Sell | Sell |
| Feb 19, 2026 | JP Morgan | MAINTAIN | Overweight | Overweight |
| Feb 19, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| Feb 19, 2026 | Deutsche Bank | MAINTAIN | Buy | Buy |
| Feb 19, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jan 22, 2026 | TD Cowen | MAINTAIN | Buy | Buy |
| Jan 22, 2026 | Morgan Stanley | MAINTAIN | Overweight | Overweight |
| Jan 22, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| Jan 22, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jan 22, 2026 | B of A Securities | MAINTAIN | Buy | Buy |
| Jan 20, 2026 | Cantor Fitzgerald | MAINTAIN | Overweight | Overweight |
| Jan 16, 2026 | Keybanc | MAINTAIN | Overweight | Overweight |
| Jan 15, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | Equal-Weight |
| Jan 13, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jan 13, 2026 | B of A Securities | MAINTAIN | Buy | Buy |
| Dec 17, 2025 | Mizuho | MAINTAIN | Outperform | Outperform |
Monthly Consensus History
| Period | Strong Buy | Buy | Hold | Sell | Strong Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| May 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| Apr 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| Mar 1, 2026 | 4 | 13 | 2 | 1 | 0 | 85% | |
| Feb 1, 2026 | 4 | 14 | 2 | 1 | 0 | 86% | |
| Jan 1, 2026 | 4 | 14 | 2 | 1 | 0 | 86% |
Strong BuyBuyHoldSellStrong Sell
No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.
No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.
Jun 8, 2026
short_volume
Short Volume: MKSI — 60.8% short (0.3M / 0.5M)
Short: 318,763 | Exempt: 0 | TRF Vol: 524,648 | Short Ratio: 60.8% | Off-exchange volume (dark pool + OTC)
Jun 2, 2026
short_volume
Short Volume: MKSI — 59.4% short (0.3M / 0.5M)
Short: 304,661 | Exempt: 32 | TRF Vol: 513,009 | Short Ratio: 59.4% | Off-exchange volume (dark pool + OTC)
May 25, 2026
dark_pool
Dark Pool: MKSI — 1.4M shares, 39,787 trades
Week starting 2026-05-25. Total ATS volume: 1,376,409 shares across 39,787 trades.
May 19, 2026
short_volume
Short Volume: MKSI — 69.4% short (0.5M / 0.7M)
Short: 474,128 | Exempt: 427 | TRF Vol: 683,652 | Short Ratio: 69.4% | Off-exchange volume (dark pool + OTC)
May 18, 2026
short_volume
Short Volume: MKSI — 75.9% short (0.6M / 0.7M)
Short: 554,578 | Exempt: 176 | TRF Vol: 731,123 | Short Ratio: 75.9% | Off-exchange volume (dark pool + OTC)
May 18, 2026
dark_pool
Dark Pool: MKSI — 1.7M shares, 46,221 trades
Week starting 2026-05-18. Total ATS volume: 1,698,160 shares across 46,221 trades.
May 15, 2026
short_volume
Short Volume: MKSI — 65.2% short (0.4M / 0.6M)
Short: 419,830 | Exempt: 44 | TRF Vol: 644,236 | Short Ratio: 65.2% | Off-exchange volume (dark pool + OTC)
May 14, 2026
short_volume
Short Volume: MKSI — 82.7% short (0.5M / 0.6M)
Short: 466,839 | Exempt: 0 | TRF Vol: 564,236 | Short Ratio: 82.7% | Off-exchange volume (dark pool + OTC)
May 12, 2026
short_volume
Short Volume: MKSI — 59.4% short (0.4M / 0.6M)
Short: 382,653 | Exempt: 4,289 | TRF Vol: 644,246 | Short Ratio: 59.4% | Off-exchange volume (dark pool + OTC)
May 11, 2026
short_volume
Short Volume: MKSI — 56.8% short (0.3M / 0.5M)
Short: 306,772 | Exempt: 0 | TRF Vol: 540,330 | Short Ratio: 56.8% | Off-exchange volume (dark pool + OTC)
May 11, 2026
short_interest
FTD: MKSI — 5,213 shares ($1.6M) failed to deliver
Settlement: 20260511, Price: $313.21, FTD Value: $1,632,763.73, MKS INC. COMMON STOCK
May 11, 2026
dark_pool
Dark Pool: MKSI — 1.8M shares, 51,220 trades
Week starting 2026-05-11. Total ATS volume: 1,821,162 shares across 51,220 trades.
May 8, 2026
short_volume
Short Volume: MKSI — 56.4% short (0.4M / 0.8M)
Short: 424,004 | Exempt: 3 | TRF Vol: 751,859 | Short Ratio: 56.4% | Off-exchange volume (dark pool + OTC)
May 6, 2026
earnings
MKS Inc. Reports First Quarter 2026 Financial Results
<p>ANDOVER, Mass., May 06, 2026 (GLOBE NEWSWIRE) -- MKS Inc. (NASDAQ: MKSI), a global provider of enabling technologies that transform our world, to
May 6, 2026
earnings_calendar
MKSI Q1 2026 Earnings After Market Close — 2026-05-06