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
Full exits: Hudson Bay Capital Management LP, Lighthouse Investment Partners, LLC
Institutional Holders of XBI
17 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.50M$237.1M39.7%0.2%Added+$183.1MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund502K$79.4M13.3%0.1%Added+$33.3MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund499K$79.0M13.2%0.0%Added$-489.5MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund424K$67.1M11.2%0.1%Added+$1.1MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund329K$52.0M8.7%0.0%Reduced$-164.4MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund274K$43.4M7.3%0.1%Added$-28.8MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund45K$7.1M1.2%0.0%Reduced+$6.6MQ2 2026
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
Hedge Fund40K$6.4M1.1%0.0%Reduced$-9.6MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund37K$5.8M1.0%0.0%Added$-196.1MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund36K$5.7M0.9%0.0%Added+$5.1MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$237.1M· 39.7% of total· 0.2% port· 1.50M sh· +$183.1M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$79.4M· 13.3% of total· 0.1% port· 502K sh· +$33.3M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$79.0M· 13.2% of total· 0.0% port· 499K sh· $-489.5M QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$67.1M· 11.2% of total· 0.1% port· 424K sh· +$1.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$52.0M· 8.7% of total· 0.0% port· 329K sh· $-164.4M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$43.4M· 7.3% of total· 0.1% port· 274K sh· $-28.8M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$7.1M· 1.2% of total· 0.0% port· 45K sh· +$6.6M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$6.4M· 1.1% of total· 0.0% port· 40K sh· $-9.6M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$5.8M· 1.0% of total· 0.0% port· 37K sh· $-196.1M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$5.7M· 0.9% of total· 0.0% port· 36K sh· +$5.1M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$3.5M· 0.6% of total· 0.0% port· 22K sh· +$1.7M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$3.0M· 0.5% of total· 0.0% port· 19K sh· $-27.1M QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Added
Hedge Fund
$2.7M· 0.4% of total· 0.0% port· 17K sh· $-12.9M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$2.0M· 0.3% of total· 0.0% port· 13K sh· QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$1.7M· 0.3% of total· 0.0% port· 10K sh· +$448K QoQ· Q2 2026
Bridgewater Advisors Inc.Unchanged
Hedge Fund
$583K· 0.1% of total· 0.0% port· 4K sh· +$0 QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$551K· 0.1% of total· 0.0% port· 3K sh· $-3.7M QoQ· Q2 2026
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