SPDR SERIES TRUST (XBI): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in XBI. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
17
13F filers
Aggregate Value
$597.0M
Across holders
Last Price
$164.17
2026-08-24
Sector
—
GICS
Quarterly fund activity11 increased5 reduced2 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.50M | $237.1M | 39.7% | 0.2% | Added | +$183.1M | Q2 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 502K | $79.4M | 13.3% | 0.1% | Added | +$33.3M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 499K | $79.0M | 13.2% | 0.0% | Added | $-489.5M | Q2 2026 |
| Clearbridge Investments, LLC CIK 0001348883 | Hedge Fund | 424K | $67.1M | 11.2% | 0.1% | Added | +$1.1M | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 329K | $52.0M | 8.7% | 0.0% | Reduced | $-164.4M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 274K | $43.4M | 7.3% | 0.1% | Added | $-28.8M | Q2 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 45K | $7.1M | 1.2% | 0.0% | Reduced | +$6.6M | Q2 2026 |
| CAPSTONE INVESTMENT ADVISORS, LLC CIK 0001426196 | Hedge Fund | 40K | $6.4M | 1.1% | 0.0% | Reduced | $-9.6M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 37K | $5.8M | 1.0% | 0.0% | Added | $-196.1M | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 36K | $5.7M | 0.9% | 0.0% | Added | +$5.1M | Q2 2026 |
Added
Hedge Fund
$237.1M· 39.7% of total· 0.2% port· 1.50M sh· +$183.1M QoQ· Q2 2026
Added
Hedge Fund
$79.4M· 13.3% of total· 0.1% port· 502K sh· +$33.3M QoQ· Q2 2026
Added
Hedge Fund
$79.0M· 13.2% of total· 0.0% port· 499K sh· $-489.5M QoQ· Q2 2026
Added
Hedge Fund
$67.1M· 11.2% of total· 0.1% port· 424K sh· +$1.1M QoQ· Q2 2026
Reduced
Hedge Fund
$52.0M· 8.7% of total· 0.0% port· 329K sh· $-164.4M QoQ· Q2 2026
Added
Hedge Fund
$43.4M· 7.3% of total· 0.1% port· 274K sh· $-28.8M QoQ· Q2 2026
Reduced
Hedge Fund
$7.1M· 1.2% of total· 0.0% port· 45K sh· +$6.6M QoQ· Q2 2026
Reduced
Hedge Fund
$6.4M· 1.1% of total· 0.0% port· 40K sh· $-9.6M QoQ· Q2 2026
Added
Hedge Fund
$5.8M· 1.0% of total· 0.0% port· 37K sh· $-196.1M QoQ· Q2 2026
Added
Hedge Fund
$5.7M· 0.9% of total· 0.0% port· 36K sh· +$5.1M QoQ· Q2 2026
Added
Hedge Fund
$3.5M· 0.6% of total· 0.0% port· 22K sh· +$1.7M QoQ· Q2 2026
Reduced
Hedge Fund
$3.0M· 0.5% of total· 0.0% port· 19K sh· $-27.1M QoQ· Q2 2026
Added
Hedge Fund
$2.7M· 0.4% of total· 0.0% port· 17K sh· $-12.9M QoQ· Q2 2026
Added
Hedge Fund
$2.0M· 0.3% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
Added
Hedge Fund
$1.7M· 0.3% of total· 0.0% port· 10K sh· +$448K QoQ· Q2 2026
Unchanged
Hedge Fund
$583K· 0.1% of total· 0.0% port· 4K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$551K· 0.1% of total· 0.0% port· 3K sh· $-3.7M QoQ· Q2 2026
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