OraSure Technologies

OSUR · NASDAQ

$3.75+$0.065 (+1.77%)TodayMarket closed ·
Prev close $3.68

Who owns OSUR

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 46.0% of OSUR’s shares.

  • BlackRock Institutional Trust Company, N.A.7.4%
  • Neuberger Berman, LLC6.8%
  • Private Management Group, Inc.5.5%
  • Altai Capital Management, L.P.5.2%
  • Next 6 largest institutions21.0%
  • All other shareholders54.0%
Top institutional holders of OSUR
HolderShares% of shares
BlackRock Institutional Trust Company, N.A.5.12M7.43%
Neuberger Berman, LLC4.69M6.81%
Private Management Group, Inc.3.80M5.52%
Altai Capital Management, L.P.3.61M5.25%
Vanguard Capital Management, LLC3.02M4.38%
Systematic Financial Management, L.P.2.86M4.15%
Dimensional Fund Advisors, L.P.2.34M3.40%
Eglinton (Manner Carrie)2.19M3.18%
Acadian Asset Management LLC2.02M2.94%
Renaissance Technologies LLC2.01M2.93%

Largest mutual fund holders

Top mutual fund holders of OSUR
HolderShares% of shares
Vanguard Total Stock Market Index Fund2.15M3.12%
iShares Russell 2000 ETF1.74M2.53%
Neuberger Intrinsic Value Fund1.10M1.60%
First Eagle Small Cap Opportunity Fund902.79K1.31%
Vanguard Extended Market Index Fund804.24K1.17%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $224.75K (3 trades) of OSUR on the open market, with no sales.

Latest OSUR insider transactions
InsiderTypeSharesValue
Boyd Steven KyleAward4.80K$18.61K
Kenny John P.Tax withholding5.12K$17.54K
McMahon Robert W.Award46.11K—
Gagliano Nancy JAward46.11K—
Marmora LelioAward46.11K—
Kenny John P.Award46.11K—
Bertrand John D.Award46.11K—
Boyd Steven KyleAward46.11K—
Boyd Steven KyleBuy25.00K$74.75K
Boyd Steven KyleBuy25.00K$75.50K

Short interest

Settled Sep 30, 2026

Shares short
2.93M
Days to cover
4.52
% of shares outstanding
4.26%
Average daily volume
649.03K
Change since last report
−7.6%

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