Stock Ownership/OPK

OPKO HEALTH INC (OPK): Ownership & Insider Activity

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

Reported Holders
10
13F filers
Aggregate Value
$5.3M
Across holders
Last Price
$1.48
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity6 increased2 reduced3 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, Qube Research & Technologies Ltd, Brevan Howard Capital Management LP
Institutional Holders of OPK
↗
10 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.42M$2.1M40.1%0.0%Reduced+$2.0MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.24M$1.9M35.0%0.0%Added+$1.9MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund245K$367K6.9%0.0%Unchanged+$0Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund176K$264K5.0%0.0%Added+$9KQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager175K$263K4.9%0.0%Unchanged+$0Q2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund145K$218K4.1%0.0%Added+$78KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund72K$108K2.0%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund42K$62K1.2%0.0%Added—Q2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund27K$40K0.8%0.0%Added—Q2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund400$6000.0%0.0%Reduced+$0Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$2.1M· 40.1% of total· 0.0% port· 1.42M sh· +$2.0M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.9M· 35.0% of total· 0.0% port· 1.24M sh· +$1.9M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALUnchanged
Hedge Fund
$367K· 6.9% of total· 0.0% port· 245K sh· +$0 QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$264K· 5.0% of total· 0.0% port· 176K sh· +$9K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$263K· 4.9% of total· 0.0% port· 175K sh· +$0 QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$218K· 4.1% of total· 0.0% port· 145K sh· +$78K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$108K· 2.0% of total· 0.0% port· 72K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$62K· 1.2% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$40K· 0.8% of total· 0.0% port· 27K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$600· 0.0% of total· 0.0% port· 400 sh· +$0 QoQ· Q2 2026
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