ORASURE TECHNOLOGIES INC (OSUR): Ownership & Insider Activity

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

Reported Holders
14
13F filers
Aggregate Value
$23.8M
Across holders
Last Price
$3.82
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity9 increased4 reduced1 exited
Full exits: Squarepoint Ops LLC
Institutional Holders of OSUR
14 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund2.01M$9.0M37.8%0.0%Reduced$-305KQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager1.06M$4.7M19.9%0.0%AddedQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund827K$3.7M15.5%0.0%Reduced+$1.3MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund401K$1.8M7.5%0.0%Added+$1.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund320K$1.4M6.0%0.0%Reduced+$1.4MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund188K$840K3.5%0.0%Added+$755KQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund151K$673K2.8%0.0%AddedQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund146K$651K2.7%0.0%AddedQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund102K$455K1.9%0.0%Added+$208KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund59K$264K1.1%0.0%Added+$14KQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$9.0M· 37.8% of total· 0.0% port· 2.01M sh· $-305K QoQ· Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$4.7M· 19.9% of total· 0.0% port· 1.06M sh· QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$3.7M· 15.5% of total· 0.0% port· 827K sh· +$1.3M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$1.8M· 7.5% of total· 0.0% port· 401K sh· +$1.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$1.4M· 6.0% of total· 0.0% port· 320K sh· +$1.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$840K· 3.5% of total· 0.0% port· 188K sh· +$755K QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$673K· 2.8% of total· 0.0% port· 151K sh· QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$651K· 2.7% of total· 0.0% port· 146K sh· QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$455K· 1.9% of total· 0.0% port· 102K sh· +$208K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$264K· 1.1% of total· 0.0% port· 59K sh· +$14K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$120K· 0.5% of total· 0.0% port· 27K sh· QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$108K· 0.5% of total· 0.0% port· 24K sh· QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCUnchanged
Institutional Manager
$55K· 0.2% of total· 0.0% port· 12K sh· +$0 QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$4K· 0.0% of total· 0.0% port· 1K sh· $-3K QoQ· Q2 2026
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