XBI

SPDR SERIES TRUST

$128.83 -1.94%

3 New Institutional Positions

Vol

Inst. Holders6 funds

Inst. Value$3.6B

Inst. Activity3 buys / 0 sells

Prev Close $131.38

Recent Activity

Inst.

TWO SIGMA INVESTMENTS, LP — DOUBLED

1,762,600 shares ($214.9M)

Inst.

RENAISSANCE TECHNOLOGIES LLC — NEW

41,100 shares ($5.0M)

Jun 4, 2026 short_volume

Short Volume: XBI — 55.6% short (1.0M / 1.9M)

Short: 1,044,203 | Exempt: 1,118 | TRF Vol: 1,876,885 | Short Ratio: 55.6% | Off-exchange volume (da

Top Institutional Holders

Fund	Value	Move
BANK OF AMERICA CORP	$1.6B	ADD
MORGAN STANLEY	$1.4B	ADD
WELLS FARGO & COMPANY/MN	$434.8M	ADD
TWO SIGMA INVESTMENTS, LP	$214.9M	DOUBLED
RENAISSANCE TECHNOLOGIES LLC	$5.0M	NEW

6 institutional holders with $3.6B total value (29,687,296 shares) as of 2025-Q4. Top holders: BANK, MORGAN, WELLS. Net buying activity: 3 institutions added/increased vs 0 reduced.

Top Institutional Holders — 2025-Q4

#	Fund	Shares	Value	% of Tracked	Last Move
1	BANK OF AMERICA CORP /DE/	12,817,176	$1.6B	43.2%	ADD +34.3%
2	MORGAN STANLEY	11,491,683	$1.4B	38.7%	ADD +26.8%
3	WELLS FARGO & COMPANY/MN	3,566,265	$434.8M	12.0%	ADD +36.5%
4	TWO SIGMA INVESTMENTS, LP	1,762,600	$214.9M	5.9%	DOUBLED +21136.1%
5	RENAISSANCE TECHNOLOGIES LLC	41,100	$5.0M	0.1%	NEW
6	FMR LLC	8,472	$1.0M	0.0%	ADD +28.7%

Recent Position Changes

Fund	Action	Prev Shares	Curr Shares	Change %	Value	Quarter
TWO SIGMA INVESTMENTS, LP	DOUBLED	8,300	1,762,600	+21136.1%	$214.9M	2025-Q4
RENAISSANCE TECHNOLOGIES LLC	NEW	—	41,100	—	$5.0M	2025-Q4
FMR LLC	ADD	6,584	8,472	+28.7%	$1.0M	2025-Q4
BANK OF AMERICA CORP /DE/	ADD	8,199,649	11,009,999	+34.3%	$1.1B	2025-Q3
UBS Group AG	TRIM	5,306,455	3,626,235	-31.7%	$363.3M	2025-Q3
TWO SIGMA INVESTMENTS, LP	NEW	—	8,300	—	$831.7K	2025-Q3
RENAISSANCE TECHNOLOGIES LLC	EXIT	48,800	0	-100.0%	$0.00	2025-Q3
UBS Group AG	TRIM	8,083,382	5,306,455	-34.4%	$440.1M	2025-Q2
WELLS FARGO & COMPANY/MN	ADD	2,181,070	2,976,242	+36.5%	$246.8M	2025-Q2
RENAISSANCE TECHNOLOGIES LLC	NEW	—	48,800	—	$4.0M	2025-Q2
UBS Group AG	ADD	4,923,742	8,083,382	+64.2%	$655.6M	2025-Q1
CITADEL ADVISORS LLC	TRIM	7,320,100	4,830,602	-34.0%	$391.8M	2025-Q1
RENAISSANCE TECHNOLOGIES LLC	EXIT	5,500	0	-100.0%	$0.00	2025-Q1
MORGAN STANLEY	ADD	8,019,942	10,170,065	+26.8%	$915.9M	2024-Q4
RENAISSANCE TECHNOLOGIES LLC	NEW	—	5,500	—	$495.3K	2024-Q4
MORGAN STANLEY	ADD	6,413,100	8,019,942	+25.1%	$792.4M	2024-Q3

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No insider trading data available yet. Insider transactions are collected from SEC Form 4 filings.

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No SEC filing reports analyzed yet. Reports are generated when new filings are detected and processed by the LLM pipeline.

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

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No analyst rating data available yet. Consensus ratings and individual firm actions are collected periodically from financial data providers.

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No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

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No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.

Jun 4, 2026

short_volume

Short Volume: XBI — 55.6% short (1.0M / 1.9M)

Short: 1,044,203 | Exempt: 1,118 | TRF Vol: 1,876,885 | Short Ratio: 55.6% | Off-exchange volume (dark pool + OTC)

Jun 2, 2026

short_volume

Short Volume: XBI — 70.7% short (3.0M / 4.2M)

Short: 2,975,193 | Exempt: 30,110 | TRF Vol: 4,206,532 | Short Ratio: 70.7% | Off-exchange volume (dark pool + OTC)

Jun 1, 2026

short_volume

Short Volume: XBI — 67.4% short (2.0M / 2.9M)

Short: 1,960,636 | Exempt: 2,063 | TRF Vol: 2,911,058 | Short Ratio: 67.4% | Off-exchange volume (dark pool + OTC)

May 29, 2026

short_volume

Short Volume: XBI — 65.2% short (1.0M / 1.6M)

Short: 1,012,100 | Exempt: 4,631 | TRF Vol: 1,552,262 | Short Ratio: 65.2% | Off-exchange volume (dark pool + OTC)

May 28, 2026

short_volume

Short Volume: XBI — 75.0% short (1.8M / 2.3M)

Short: 1,754,057 | Exempt: 853 | TRF Vol: 2,337,858 | Short Ratio: 75.0% | Off-exchange volume (dark pool + OTC)

May 27, 2026

short_volume

Short Volume: XBI — 69.9% short (1.3M / 1.8M)

Short: 1,263,635 | Exempt: 21 | TRF Vol: 1,808,629 | Short Ratio: 69.9% | Off-exchange volume (dark pool + OTC)

May 22, 2026

short_volume

Short Volume: XBI — 64.6% short (1.2M / 1.9M)

Short: 1,220,441 | Exempt: 6 | TRF Vol: 1,890,623 | Short Ratio: 64.6% | Off-exchange volume (dark pool + OTC)

May 21, 2026

short_volume

Short Volume: XBI — 59.9% short (1.2M / 2.0M)

Short: 1,192,633 | Exempt: 512 | TRF Vol: 1,989,588 | Short Ratio: 59.9% | Off-exchange volume (dark pool + OTC)

May 18, 2026

short_volume

Short Volume: XBI — 57.7% short (1.4M / 2.4M)

Short: 1,374,674 | Exempt: 1,215 | TRF Vol: 2,384,069 | Short Ratio: 57.7% | Off-exchange volume (dark pool + OTC)

May 18, 2026

dark_pool

Dark Pool: XBI — 8.4M shares, 110,259 trades

Week starting 2026-05-18. Total ATS volume: 8,401,854 shares across 110,259 trades.

May 14, 2026

short_volume

Short Volume: XBI — 61.2% short (1.1M / 1.8M)

Short: 1,096,552 | Exempt: 342 | TRF Vol: 1,790,620 | Short Ratio: 61.2% | Off-exchange volume (dark pool + OTC)

May 14, 2026

short_interest

FTD: XBI — 134,864 shares ($18.3M) failed to deliver

Settlement: 20260514, Price: $135.85, FTD Value: $18,321,274.4, SPDR SER TR STATE STREET SPDR

May 13, 2026

short_volume

Short Volume: XBI — 61.4% short (1.3M / 2.1M)

Short: 1,272,069 | Exempt: 616 | TRF Vol: 2,071,835 | Short Ratio: 61.4% | Off-exchange volume (dark pool + OTC)

May 12, 2026

short_volume

Short Volume: XBI — 67.5% short (1.3M / 2.0M)

Short: 1,348,123 | Exempt: 339 | TRF Vol: 1,995,787 | Short Ratio: 67.5% | Off-exchange volume (dark pool + OTC)

May 11, 2026

short_volume

Short Volume: XBI — 67.7% short (1.9M / 2.8M)

Short: 1,926,725 | Exempt: 2,514 | TRF Vol: 2,844,943 | Short Ratio: 67.7% | Off-exchange volume (dark pool + OTC)