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OSUR

Orasure Technologies Inc

Company with tickers: OSUR

CIK
1116463
CUSIP
68554V108
Shares Outstanding
68,848,553
13F Activity (30d)
102 filings 98 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 142
Total Value: $170,786,637
Total Shares: 56,928,879
Showing 1–100 of 143 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 142 13F filers · Δ vs Dec 31, 2025
Top Holder
11.4%
Jun 2023 → Mar 2026 · range 10.1% – 20.3%
+0.7 pts
Top 5
40.3%
Jun 2023 → Mar 2026 · range 34.4% – 45.0%
+0.8 pts
Top 10
60.3%
Jun 2023 → Mar 2026 · range 51.0% – 60.7%
+1.1 pts
HHI
491
Jun 2023 → Mar 2026 · range 363 – 659
Broadly held +20

Quarterly Activity

vs Dec 31, 2025
New
26
Increased
49
Decreased
38
Sold Out
22
Unchanged
29
Holder count: +4
Institutional value: +17.7%
Shares held: -5.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 143
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Holder Value (USD) % of 13F Shares Open