MIAX

MIAMI INTERNATIONAL HOLDINGS, INC.

NYSE · Security Brokers, Dealers & Flotation Companies · Inc. DE · CIK 0001438472
$43.29 +4.89% $4.1B
Insider Selling Cluster (9 insiders)High Impact Filing (7/10)17 New Institutional Positions7 Institutional Exits
Vol
Market Cap$4.1B
Cap SizeMid Cap
Analyst ConsensusBuy (67%)
Inst. Holders50 funds
Inst. Value$1.2B
Inst. Activity17 buys / 7 sells
Insider Activity0B / 21S
Insider Net $-$24.2M
SEC Reports20
Exchange NYSE·Sector Security Brokers, Dealers & Flotation Companies·Inc. DE·CIK 0001438472·Prev Close $41.27

Recent Activity

Jun 12, 2026 SEC
Two insiders at MIAX sold a combined $1.21M in open-market sales over a 7-day window, including an EVP and a Director. T
CLUSTER — Impact 3/10
Jun 11, 2026 SEC
Three mega-passive institutional investors — Vanguard, BlackRock, and Morgan Stanley — initiated new positions in MIAX t
INST-CLUSTER — Impact 4/10
Jun 11, 2026 SEC
Four mega-passive institutional investors (Vanguard, BlackRock, State Street, Fidelity) collectively added $102.6M in MI
INST-CLUSTER — Impact 3/10
Jun 11, 2026 Insider
Schwarzkopf Cynthia sold 19,500 shares
Director @ $41.73 ($813.7K)
Jun 11, 2026 Insider
Schwarzkopf Cynthia acquired via exercise 19,500 shares
Director @ $12.00 ($234.0K)
Jun 11, 2026 Insider
Schafer Douglas M. JR surrendered for taxes 32,565 shares
EVP and CIO @ $40.79 ($1.3M)
Inst.
HORIZON KINETICS ASSET MANAGEMENT — ADD
3,451,549 shares ($134.3M)
Inst.
BlackRock, Inc. — ADD
2,232,680 shares ($86.9M)

Price Targets

$51.20 +18.3% upside Buy
Current $43.29 Low $40.00 Median $50.00 High $61.00 5 analysts
$40.00 $61.00

Analyst Ratings

Buy67% buy · 12 analysts
3Strong Buy
5Buy
4Hold
0Sell
0Strong Sell
Recent Analyst Actions
DateFirmActionRating
May 8, 2026 Keefe, Bruyette & Woods MAINTAIN Market Perform → Market Perform
May 7, 2026 JP Morgan MAINTAIN Neutral → Neutral
May 7, 2026 Rosenblatt MAINTAIN Buy → Buy
Apr 10, 2026 Morgan Stanley MAINTAIN Overweight → Overweight
Apr 7, 2026 Rosenblatt MAINTAIN Buy → Buy

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $0.36 ▲ +6.4% $0.33 — $0.41 7
Next Q $0.38 ▲ +4.2% $0.34 — $0.42 -10% YoY 7
Current FY $1.55 ▲ +6.9% $1.43 — $1.69 -15% YoY 6
Next FY $1.82 ▲ +3.9% $1.60 — $2.13 18% YoY 7

Top Institutional Holders

FundValueMove
NOMURA ASSET MANAGEMENT CO
HORIZON KINETICS ASSET MANAGEMENT$134.3MADD
SUSQUEHANNA INTERNATIONAL GROUP, LLP$128.3M
BlackRock, Inc.$86.9MADD
CITADEL ADVISORS LLC$62.6M

Recent Insider Trades

DateInsiderTypeValue
Jun 11, 2026Schwarzkopf CynthiaSELL$813.7K
Jun 11, 2026Schwarzkopf CynthiaM$234.0K
Jun 11, 2026Schafer DouglasF$1.3M
Jun 11, 2026Deitzel EdwardF$242.3K
Jun 11, 2026Stahlin PaulM$48.0K
50 institutional holders with $1.2B total value (31,370,597 shares) as of 2026-Q1. Top holders: NOMURA, HORIZON, SUSQUEHANNA. Net buying activity: 17 institutions added/increased vs 7 reduced.

Top Institutional Holders — 2026-Q1

#FundSharesValue% of TrackedLast Move
1NOMURA ASSET MANAGEMENT CO LTD$0.000.0%
2HORIZON KINETICS ASSET MANAGEMENT LLC3,451,549$134.3M11.0%ADD +89.7%
3SUSQUEHANNA INTERNATIONAL GROUP, LLP3,296,346$128.3M10.5%
4BlackRock, Inc.2,232,680$86.9M7.1%ADD +27.3%
5CITADEL ADVISORS LLC1,607,780$62.6M5.1%
6Invesco Ltd.1,585,003$61.7M5.1%DOUBLED +178.8%
7Alyeska Investment Group, L.P.1,447,454$56.3M4.6%
8VANGUARD CAPITAL MANAGEMENT LLC1,414,979$55.1M4.5%
9VANGUARD PORTFOLIO MANAGEMENT LLC1,374,946$53.5M4.4%
10ADAGE CAPITAL PARTNERS GP, L.L.C.1,246,999$48.5M4.0%ADD +41.5%
11MORGAN STANLEY1,146,956$44.6M3.7%DOUBLED +419.3%
12Allspring Global Investments Holdings, LLC1,112,261$43.8M3.6%DOUBLED +105.4%
13BANK OF AMERICA CORP /DE/900,882$35.1M2.9%DOUBLED +196.5%
14TWO SIGMA INVESTMENTS, LP893,718$34.8M2.8%DOUBLED +180.6%
15STATE STREET CORP712,329$27.7M2.3%DOUBLED +921.1%
16BLAIR WILLIAM & CO/IL665,781$25.9M2.1%ADD +80.0%
17FRANKLIN RESOURCES INC568,174$22.1M1.8%ADD +33.0%
18SEI INVESTMENTS CO526,363$20.5M1.7%ADD +54.7%
19AMERIPRISE FINANCIAL INC509,452$19.8M1.6%DOUBLED +117.0%
20WELLINGTON MANAGEMENT GROUP LLP444,851$17.3M1.4%TRIM -27.8%

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
HORIZON KINETICS ASSET MANAGEMENT LLCADD1,819,7983,451,549+89.7%$134.3M2026-Q1
BlackRock, Inc.ADD1,753,5072,232,680+27.3%$86.9M2026-Q1
ADAGE CAPITAL PARTNERS GP, L.L.C.ADD881,3291,246,999+41.5%$48.5M2026-Q1
MORGAN STANLEYDOUBLED220,8791,146,956+419.3%$44.6M2026-Q1
BANK OF AMERICA CORP /DE/DOUBLED303,861900,882+196.5%$35.1M2026-Q1
FRANKLIN RESOURCES INCADD427,154568,174+33.0%$22.1M2026-Q1
SEI INVESTMENTS COADD340,255526,363+54.7%$20.5M2026-Q1
WELLINGTON MANAGEMENT GROUP LLPTRIM616,118444,851-27.8%$17.3M2026-Q1
DRIEHAUS CAPITAL MANAGEMENT LLCTRIM532,391396,698-25.5%$15.4M2026-Q1
ROYCE & ASSOCIATES LPADD181,466309,276+70.4%$12.0M2026-Q1
RENAISSANCE TECHNOLOGIES LLCADD195,099271,500+39.2%$10.6M2026-Q1
TUDOR INVESTMENT CORP ET ALDOUBLED56,006259,765+363.8%$10.1M2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INCADD187,064237,309+26.9%$9.2M2026-Q1
Nuveen, LLCDOUBLED39,115231,908+492.9%$9.0M2026-Q1
TD ASSET MANAGEMENT INCADD80,508106,040+31.7%$4.1M2026-Q1
Russell Investments Group, Ltd.TRIM76,35134,773-54.5%$1.4M2026-Q1
Hudson Bay Capital Management LPTRIM101,55229,636-70.8%$1.2M2026-Q1
FRED ALGER MANAGEMENT, LLCADD15,08329,604+96.3%$1.2M2026-Q1
HighTower Advisors, LLCDOUBLED6,17228,751+365.8%$1.1M2026-Q1
DEUTSCHE BANK AG\ADD16,24320,421+25.7%$794.8K2026-Q1
Blackstone Inc.NEAR_EXIT75,00011,508-84.7%$447.9K2026-Q1
STIFEL FINANCIAL CORPADD4,7506,175+30.0%$240.3K2026-Q1
FMR LLCTRIM1,475651-55.9%$25.3K2026-Q1
NORGES BANKEXIT277,2000-100.0%$0.002026-Q1
VANGUARD GROUP INCADD1,382,5161,928,286+39.5%$85.6M2025-Q4
13 unique insiders with 50 transactions. Net insider value: -$24.2M ($0.00 bought, $24.2M sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
Jun 11, 2026Schwarzkopf CynthiaDirectorSELL19,500$41.73$813.7K
Jun 11, 2026Schwarzkopf CynthiaDirectorEXERCISE19,500$12.00$234.0K
Jun 11, 2026Schafer Douglas M. JREVP and CIOTAX W/H32,565$40.79$1.3M
Jun 11, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesTAX W/H5,939$40.79$242.3K
Jun 11, 2026Stahlin PaulDirectorEXERCISE4,000$12.00$48.0K
Jun 11, 2026Stahlin PaulDirectorTAX W/H1,177$40.79$48.0K
Jun 11, 2026Brown ShellyEVP, Chief Strategy OfficerTAX W/H3,619$40.79$147.6K
Jun 9, 2026Jayabalan HarishEVP, CISO and CROEXERCISE9,783$12.00$117.4K
Jun 9, 2026Jayabalan HarishEVP, CISO and CROSELL9,783$40.04$391.7K
Jun 9, 2026Stahlin PaulDirectorEXERCISE7,000$12.00$84.0K
Jun 8, 2026Jayabalan HarishEVP, CISO and CROEXERCISE10,217$12.00$122.6K
Jun 8, 2026Jayabalan HarishEVP, CISO and CROSELL10,217$40.12$409.9K
Jun 2, 2026Teekell Judson GrayDirectorSELL3,000$42.78$128.3K
Jun 2, 2026Eckert Kurt M.DirectorSELL5,250$42.76$224.5K
Jun 2, 2026Eckert Kurt M.DirectorEXERCISE5,250$12.00$63.0K
Jun 2, 2026Comly Barbara J.EVP, GC & Corporate SecretarySELL28,000$42.85$1.2M
Jun 2, 2026Comly Barbara J.EVP, GC & Corporate SecretaryEXERCISE28,000$12.00$336.0K
Jun 2, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesSELL11,000$42.16$463.8K
Jun 2, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesEXERCISE11,000$12.00$132.0K
Jun 2, 2026Schafer Douglas M. JREVP and CIOSELL48,000$42.84$2.1M
Jun 2, 2026Schafer Douglas M. JREVP and CIOEXERCISE48,000$12.00$576.0K
Jun 2, 2026Gallagher Thomas P.Chairman & CEOSELL70,000$42.36$3.0M
Jun 2, 2026Gallagher Thomas P.Chairman & CEOEXERCISE70,000$12.00$840.0K
Jun 2, 2026Brown ShellyEVP, Chief Strategy OfficerSELL16,000$42.12$673.9K
Jun 2, 2026Brown ShellyEVP, Chief Strategy OfficerEXERCISE16,000$12.00$192.0K
May 19, 2026Teekell Judson GrayDirectorTAX W/H4,991$54.51$272.1K
May 19, 2026Teekell Judson GrayDirectorEXERCISE22,667$12.00$272.0K
May 19, 2026HORIZON KINETICS ASSET MANAGEMENT LLC10%+ OwnerJ2,455,744
May 15, 2026Emmons LanceEVP and CFOSELL35,000$56.36$2.0M
May 11, 2026Gallagher Thomas P.Chairman & CEOEXERCISE24,999$12.00$300.0K
May 5, 2026Gallagher Thomas P.Chairman & CEOSELL15,771$47.92$755.7K
May 5, 2026Gallagher Thomas P.Chairman & CEOEXERCISE15,771$12.00$189.3K
May 4, 2026Gallagher Thomas P.Chairman & CEOSELL54,229$47.26$2.6M
May 4, 2026Gallagher Thomas P.Chairman & CEOEXERCISE54,229$12.00$650.7K
May 4, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesSELL11,000$47.28$520.1K
May 4, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesEXERCISE11,000$12.00$132.0K
May 4, 2026Brown ShellyEVP, Chief Strategy OfficerSELL16,000$47.28$756.5K
May 4, 2026Brown ShellyEVP, Chief Strategy OfficerEXERCISE16,000$12.00$192.0K
May 4, 2026Teekell Judson GrayDirectorSELL3,000$47.30$141.9K
May 4, 2026Schafer Douglas M. JREVP and CIOSELL48,000$47.25$2.3M
May 4, 2026Schafer Douglas M. JREVP and CIOEXERCISE48,000$12.00$576.0K
May 4, 2026Eckert Kurt M.DirectorSELL5,625$47.29$266.0K
May 4, 2026Eckert Kurt M.DirectorEXERCISE5,625$12.00$67.5K
May 4, 2026Comly Barbara J.EVP, GC & Corporate SecretarySELL28,000$47.26$1.3M
May 4, 2026Comly Barbara J.EVP, GC & Corporate SecretaryEXERCISE28,000$12.00$336.0K
Apr 15, 2026Comly Barbara J.EVP, GC & Corporate SecretarySELL29,667$43.64$1.3M
Apr 15, 2026Comly Barbara J.EVP, GC & Corporate SecretaryEXERCISE29,667$12.00$356.0K
Apr 15, 2026Gallagher Thomas P.Chairman & CEOEXERCISE70,001$12.00$840.0K
Apr 15, 2026Gallagher Thomas P.Chairman & CEOSELL70,001$43.36$3.0M
Apr 9, 2026Beckelman JohnDirectorEXERCISE8,667$12.00$104.0K
20 SEC filing reports analyzed. Sentiment: 2 bullish, 5 bearish, 0 mixed, 13 neutral. Avg impact: 4.1/10.
NEUTRAL CLUSTER 3/10
Two insiders at MIAX sold a combined $1.21M in open-market sales over a 7-day window, including an E
Jun 12, 2026
BULLISH INST-CLUSTER 4/10
Three mega-passive institutional investors — Vanguard, BlackRock, and Morgan Stanley — initiated new
Jun 11, 2026
NEUTRAL INST-CLUSTER 3/10
Four mega-passive institutional investors (Vanguard, BlackRock, State Street, Fidelity) collectively
Jun 11, 2026
NEUTRAL CLUSTER 4/10
Seven MIAX insiders, including the Chairman & CEO and multiple EVPs, sold a total of $7.71M in open-
Jun 4, 2026
BEARISH CLUSTER 5/10
Five MIAX insiders, including the Chairman & CEO and multiple EVPs, collectively sold $7.58M in open
Jun 4, 2026
NEUTRAL CLUSTER 4/10
Three top executives (CEO, EVP/CIO, EVP/CSO) sold a combined $5.70M in open-market shares on June 2,
Jun 4, 2026
NEUTRAL CLUSTER 3/10
Chairman & CEO Thomas Gallagher and EVP Shelly Brown sold a combined $3.64M in MIAX stock on June 2,
Jun 4, 2026
NEUTRAL CLUSTER 4/10
A cluster of 7 MIAX insiders, including the CEO and multiple EVPs, sold $6.03M in stock over the pas
May 13, 2026
BULLISH 8-K 7/10
MIAX reported Q1 2026 net revenue of $128.6M (+40% YoY) and adjusted EPS of $0.42, beating consensus
May 6, 2026
BEARISH CLUSTER 6/10
Six MIAX insiders, including the CIO, GC, and Chief Strategy Officer, collectively sold $5.28M in op
May 5, 2026
NEUTRAL CLUSTER 3/10
Four insiders at Miami International Holdings (MIAX), including the EVP & CIO and EVP & GC, sold a c
May 5, 2026
NEUTRAL CLUSTER 2/10
Two MIAX insiders — a Director and the EVP/GC — sold a combined $1.59M in open-market shares on May
May 5, 2026
NEUTRAL DEFA14A 4/10
Miami International Holdings, Inc. (MIAX) has filed a definitive proxy statement (DEFA14A) following
Apr 27, 2026
NEUTRAL 8-K 3/10
Miami International Holdings, Inc. (MIAX) appointed Eric Sites to its board of directors effective A
Apr 27, 2026
BEARISH CLUSTER 7/10
Three executives at MIAX sold a combined $2.3 million in shares over a 7-day period, including CEO T
Apr 17, 2026
NEUTRAL CLUSTER 3/10
Two corporate insiders at MIAX sold shares in the past week, including EVP Shelly Brown and Director
Apr 8, 2026
NEUTRAL CLUSTER 3/10
Two insiders at MIAX sold a combined $1.03M in shares over a 7-day window, including a $1.02M sale b
Apr 1, 2026
BEARISH CLUSTER 5/10
Two insiders at MIAX sold shares in the past week, including EVP and Chief Strategy Officer Shelly B
Mar 26, 2026
NEUTRAL CLUSTER 4/10
Two insiders at MIAX sold shares in the past week, with EVP Shelly Brown selling $1.02M in stock and
Mar 24, 2026
BEARISH CLUSTER 5/10
Two insiders at MIAX sold significant shares in the past week, including Director Kurt Eckert ($1.48
Mar 20, 2026

No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.

Current analyst consensus: Buy (67% buy). Based on 12 analysts: 3 strong buy, 5 buy, 4 hold, 0 sell, 0 strong sell.

Analyst Price Targets

$51.20 mean target +18.3% upside Buy (2.14)
$40.00 Low $61.00 High
MetricValue
Current Price$43.29
Target Low$40.00
Target Mean$51.20
Target Median$50.00
Target High$61.00
# Analysts5
RecommendationBuy (2.14)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$0.36 $0.33 $0.41 +6.4% 5↑ 0↓ $0.1B 7
Next Q
2026-09-30
$0.38 $0.34 $0.42 -10.3% +4.2% 4↑ 0↓ $0.1B 21.2% 7
Current FY
2026-12-31
$1.55 $1.43 $1.69 -15.0% +6.9% 4↑ 0↓ $0.5B 22.5% 6
Next FY
2027-12-31
$1.82 $1.60 $2.13 17.8% +3.9% 4↑ 0↓ $0.6B 11.6% 7

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$0.364
7d ago$0.364
30d ago$0.342+0.022
60d ago$0.336+0.028
90d ago$0.336+0.028
4 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
May 8, 2026 Keefe, Bruyette & Woods MAINTAIN Market Perform Market Perform
May 7, 2026 JP Morgan MAINTAIN Neutral Neutral
May 7, 2026 Rosenblatt MAINTAIN Buy Buy
Apr 10, 2026 Morgan Stanley MAINTAIN Overweight Overweight
Apr 7, 2026 Rosenblatt MAINTAIN Buy Buy
Mar 5, 2026 Rosenblatt MAINTAIN Buy Buy
Feb 26, 2026 Rosenblatt MAINTAIN Buy Buy

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 20263540067%
May 1, 20263540067%
Apr 1, 20263530073%
Mar 1, 20263530073%
Feb 1, 20263530073%
Jan 1, 20263530073%
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 12, 2026
short_volume
Short Volume: MIAX — 59.7% short (0.7M / 1.1M)
Short: 660,945 | Exempt: 5,491 | TRF Vol: 1,108,019 | Short Ratio: 59.7% | Off-exchange volume (dark pool + OTC)
Jun 10, 2026
short_volume
Short Volume: MIAX — 58.2% short (0.4M / 0.7M)
Short: 396,760 | Exempt: 0 | TRF Vol: 682,037 | Short Ratio: 58.2% | Off-exchange volume (dark pool + OTC)
Jun 9, 2026
short_volume
Short Volume: MIAX — 63.7% short (0.4M / 0.6M)
Short: 398,393 | Exempt: 300 | TRF Vol: 625,206 | Short Ratio: 63.7% | Off-exchange volume (dark pool + OTC)
Jun 5, 2026
short_volume
Short Volume: MIAX — 60.9% short (0.4M / 0.6M)
Short: 350,212 | Exempt: 0 | TRF Vol: 575,237 | Short Ratio: 60.9% | Off-exchange volume (dark pool + OTC)
Jun 4, 2026
short_volume
Short Volume: MIAX — 69.3% short (0.5M / 0.7M)
Short: 488,082 | Exempt: 0 | TRF Vol: 704,544 | Short Ratio: 69.3% | Off-exchange volume (dark pool + OTC)
Jun 2, 2026
short_volume
Short Volume: MIAX — 66.9% short (1.3M / 2.0M)
Short: 1,331,919 | Exempt: 56,411 | TRF Vol: 1,991,114 | Short Ratio: 66.9% | Off-exchange volume (dark pool + OTC)
May 6, 2026
earnings_calendar
MIAX Q1 2026 Earnings Scheduled — 2026-05-06
Apr 29, 2026
short_interest
FTD: MIAX — 18,800 shares ($0.9M) failed to deliver
Settlement: 20260429, Price: $47.30, FTD Value: $889,240, MIAMI INTL HLDGS INC COM
Apr 28, 2026
short_interest
FTD: MIAX — 18,947 shares ($0.9M) failed to deliver
Settlement: 20260428, Price: $46.72, FTD Value: $885,203.84, MIAMI INTL HLDGS INC COM
Apr 2, 2026
short_volume
Short Volume: MIAX — 64.5% short (0.4M / 0.6M)
Short: 365,982 | Exempt: 24,162 | TRF Vol: 567,283 | Short Ratio: 64.5% | Off-exchange volume (dark pool + OTC)
Mar 31, 2026
short_interest
FTD: MIAX — 15,173 shares ($0.6M) failed to deliver
Settlement: 20260331, Price: $37.50, FTD Value: $568,987.5, MIAMI INTL HLDGS INC COM
Mar 30, 2026
short_interest
FTD: MIAX — 15,173 shares ($0.6M) failed to deliver
Settlement: 20260330, Price: $37.31, FTD Value: $566,104.63, MIAMI INTL HLDGS INC COM
Mar 26, 2026
short_volume
Short Volume: MIAX — 67.2% short (0.3M / 0.5M)
Short: 348,392 | Exempt: 0 | TRF Vol: 518,583 | Short Ratio: 67.2% | Off-exchange volume (dark pool + OTC)
Mar 23, 2026
short_interest
FTD: MIAX — 539,396 shares ($21.1M) failed to deliver
Settlement: 20260323, Price: $39.10, FTD Value: $21,090,383.6, MIAMI INTL HLDGS INC COM
Mar 19, 2026
short_interest
FTD: MIAX — 27,696 shares ($1.1M) failed to deliver
Settlement: 20260319, Price: $39.55, FTD Value: $1,095,376.8, MIAMI INTL HLDGS INC COM