Stock Ownership/STRO

SUTRO BIOPHARMA INC (STRO): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in STRO · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$110.5M
Across holders
Last Price
$20.49
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity9 increased5 reduced4 exited
Full exits: Hudson Bay Capital Management LP, AQR CAPITAL MANAGEMENT LLC, ADAGE CAPITAL PARTNERS GP, L.L.C., Brevan Howard Capital Management LP
Institutional Holders of STRO
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund744K$24.7M22.4%0.5%Reduced$-1.9MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund711K$23.6M21.4%0.0%Added+$8.1MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund458K$15.2M13.8%0.0%Added+$20KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund366K$12.2M11.0%0.0%Added+$5.2MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund238K$7.9M7.1%0.0%Reduced$-15.1MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund202K$6.7M6.1%0.0%Added+$4.5MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund175K$5.8M5.3%0.0%Reduced$-474KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund107K$3.5M3.2%0.0%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund102K$3.4M3.1%0.0%Reduced+$1.7MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund86K$2.9M2.6%0.0%Reduced$-382KQ2 2026
ORBIMED ADVISORS LLCReduced
Hedge Fund
$24.7M· 22.4% of total· 0.5% port· 744K sh· $-1.9M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$23.6M· 21.4% of total· 0.0% port· 711K sh· +$8.1M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$15.2M· 13.8% of total· 0.0% port· 458K sh· +$20K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$12.2M· 11.0% of total· 0.0% port· 366K sh· +$5.2M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$7.9M· 7.1% of total· 0.0% port· 238K sh· $-15.1M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$6.7M· 6.1% of total· 0.0% port· 202K sh· +$4.5M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$5.8M· 5.3% of total· 0.0% port· 175K sh· $-474K QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$3.5M· 3.2% of total· 0.0% port· 107K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$3.4M· 3.1% of total· 0.0% port· 102K sh· +$1.7M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$2.9M· 2.6% of total· 0.0% port· 86K sh· $-382K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$1.8M· 1.7% of total· 0.0% port· 56K sh· — QoQ· Q2 2026
Fisher Asset Management, LLCUnchanged
Institutional Manager
$1.2M· 1.1% of total· 0.0% port· 35K sh· +$0 QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$1.0M· 0.9% of total· 0.0% port· 30K sh· — QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$309K· 0.3% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$278K· 0.3% of total· 0.0% port· 8K sh· — QoQ· Q2 2026
1–10 of 15
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