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OSUR

Orasure Technologies Inc

Company with tickers: OSUR

CIK
1116463
CUSIP
68554V108
Shares Outstanding
68,848,553
13F Activity (30d)
121 filings 114 filers
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
Mega NEUBERGER BERMAN GROUP LLC +377,047 4,361,901
Large SEI INVESTMENTS CO +233,732 417,958
Small Archon Capital Management LLC +174,406 747,909
Small GAGNON SECURITIES LLC +144,609 1,714,391
Mid GSA CAPITAL PARTNERS LLP +137,535 288,621

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC −843,439 18,958
Mega DIMENSIONAL FUND ADVISORS LP −437,763 2,820,830
Mega UBS Group AG −436,515 243,294
Mega CITADEL ADVISORS LLC −350,587 55,306
Mega D. E. Shaw & Co., Inc. −283,144 1,382,388

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 3,030,888 $9,092,664
Small Yorkville Advisors Global, LP 635,000 $1,905,000
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 590,198 $1,770,594
Mega VANGUARD FIDUCIARY TRUST CO 454,775 $1,364,325
Large NOMURA HOLDINGS INC 181,800 $545,400

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 4,102,632 $9,928,368
Small KOTLER KEVIN 1,801,446 $4,359,499
Small Steamboat Capital Partners, LLC 400,000 $968,000
Large Qube Research & Technologies Ltd 216,941 $524,997
Small T3 Companies, LLC 77,400 $187,308
Filter: New 26 Increased 49 Reduced 38 Sold out 22 Unchanged 29
Showing 100 of 143
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $19,548,648 11.45% 6,516,216
Mid PRIVATE MANAGEMENT GROUP INC $16,266,387 9.52% 5,422,129
Mega NEUBERGER BERMAN GROUP LLC $13,085,703 7.66% 4,361,901
Micro Altai Capital Management, L.P. $10,841,508 6.35% 3,613,836
Mega VANGUARD CAPITAL MANAGEMENT LLC $9,092,664 5.32% 3,030,888
Mega DIMENSIONAL FUND ADVISORS LP $8,462,490 4.96% 2,820,830
Mid SYSTEMATIC FINANCIAL MANAGEMENT LP $7,441,449 4.36% 2,480,483
Large RENAISSANCE TECHNOLOGIES LLC $6,249,909 3.66% 2,083,303
Large ACADIAN ASSET MANAGEMENT LLC $6,066,357 3.55% 2,022,119
Small CANNELL CAPITAL LLC $6,009,813 3.52% 2,003,271
Mega GEODE CAPITAL MANAGEMENT, LLC $5,460,057 3.20% 1,820,019
Small GAGNON SECURITIES LLC Broker-Dealer $5,143,173 3.01% 1,714,391
Mega STATE STREET CORP $5,114,340 2.99% 1,704,780
Mega D. E. Shaw & Co., Inc. $4,147,164 2.43% 1,382,388
Small Gagnon Advisors, LLC $3,622,320 2.12% 1,207,440
Small Peapod Lane Capital LLC $3,055,428 1.79% 1,018,476
Large JACOBS LEVY EQUITY MANAGEMENT, INC $2,998,779 1.76% 999,593
Mega WELLS FARGO & COMPANY/MN $2,699,523 1.58% 899,841
Small Archon Capital Management LLC $2,243,727 1.31% 747,909
Small Yorkville Advisors Global, LP $1,905,000 1.12% 635,000
Mega NORTHERN TRUST CORP Bank $1,785,516 1.05% 595,172
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $1,770,594 1.04% 590,198
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,757,511 1.03% 585,837
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,364,325 0.80% 454,775
Large SEI INVESTMENTS CO $1,253,874 0.73% 417,958
Mega GOLDMAN SACHS GROUP INC $1,234,578 0.72% 411,526
Mega MORGAN STANLEY $1,121,841 0.66% 373,947
Large KLP KAPITALFORVALTNING AS $1,089,900 0.64% 363,300
Mega JPMORGAN CHASE & CO $1,081,572 0.63% 360,524
Small INTRINSIC EDGE CAPITAL MANAGEMENT LLC $1,047,192 0.61% 349,064
Mega AQR CAPITAL MANAGEMENT LLC $992,703 0.58% 330,901
Mid Orion Porfolio Solutions, LLC $973,551 0.57% 324,517
Mid GSA CAPITAL PARTNERS LLP $865,863 0.51% 288,621
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $853,689 0.50% 284,563
Mega UBS Group AG $729,882 0.43% 243,294
Mega AMERIPRISE FINANCIAL INC $654,699 0.38% 218,233
Mega Bank of New York Mellon Corp Bank $601,131 0.35% 200,377
Mega AMERICAN CENTURY COMPANIES INC $599,772 0.35% 199,924
Mega PRICE T ROWE ASSOCIATES INC /MD/ $587,307 0.34% 195,769
Large NOMURA HOLDINGS INC $545,400 0.32% 181,800
Mega Invesco Ltd. $495,009 0.29% 165,003
Mega Nuveen, LLC $478,077 0.28% 159,359
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $460,830 0.27% 153,610
Mega HSBC HOLDINGS PLC $423,927 0.25% 141,309
Large STRS OHIO $411,000 0.24% 137,000
Mega BANK OF AMERICA CORP /DE/ Bank $403,218 0.24% 134,406
Small Odyssean, LLC $401,811 0.24% 133,937
Mega JANE STREET GROUP, LLC $376,548 0.22% 125,516
Mega ALLIANCEBERNSTEIN L.P. $374,448 0.22% 124,816
Mid SIMPLEX TRADING, LLC $354,153 0.21% 118,051
Small Murphy Pohlad Asset Management LLC $347,601 0.20% 115,867
Mid XTX Topco Ltd $347,142 0.20% 115,714
Mega BARCLAYS PLC $345,516 0.20% 115,172
Mega DEUTSCHE BANK AG\ Bank $343,776 0.20% 114,592
Large TUDOR INVESTMENT CORP ET AL $338,268 0.20% 112,756
Large FULLER & THALER ASSET MANAGEMENT, INC. $297,732 0.17% 99,244
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $280,137 0.16% 93,379
Mega RHUMBLINE ADVISERS $254,871 0.15% 84,957
Large Russell Investments Group, Ltd. $251,091 0.15% 83,697
Large HighTower Advisors, LLC $189,792 0.11% 63,264
Mega TWO SIGMA INVESTMENTS, LP $168,300 0.10% 56,100
Small Nierenberg Investment Management Company, LLC $166,665 0.10% 55,555
Mega CITADEL ADVISORS LLC $165,918 0.10% 55,306
Large Empowered Funds, LLC $148,893 0.09% 49,631
Mid NewEdge Advisors, LLC $143,262 0.08% 47,754
Small BFSG, LLC $133,050 0.08% 44,350
Large MetLife Investment Management, LLC $114,717 0.07% 38,239
Mid Metis Global Partners, LLC $103,290 0.06% 34,430
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $103,014 0.06% 34,338
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $101,094 0.06% 33,698
Small Manatuck Hill Partners, LLC $90,000 0.05% 30,000
Mega JANE STREET GROUP, LLC $83,400 0.05% 27,800
Mega Vanguard Global Advisers, LLC $76,725 0.04% 25,575
Mid Graham Capital Management, L.P. $76,494 0.04% 25,498
Small SHIKIAR ASSET MANAGEMENT INC $75,000 0.04% 25,000
Mid IMC-Chicago, LLC $70,551 0.04% 23,517
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $63,375 0.04% 21,125
Small Quadrant Private Wealth Management, LLC $60,780 0.04% 20,260
Small Aster Capital Management (DIFC) Ltd $60,240 0.04% 20,080
Mid OneDigital Investment Advisors LLC $60,033 0.04% 20,011
Mega LPL Financial LLC $59,898 0.04% 19,966
Micro Significant Wealth Partners LLC $59,571 0.03% 19,857
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $57,921 0.03% 19,307
Mega BNP PARIBAS ARBITRAGE, SA $57,753 0.03% 19,251
Small L2 Asset Management, LLC $57,006 0.03% 19,002
Mega MILLENNIUM MANAGEMENT LLC $56,874 0.03% 18,958
Mid INTECH INVESTMENT MANAGEMENT LLC $56,559 0.03% 18,853
Mid Vanguard Personalized Indexing Management, LLC $50,325 0.03% 16,775
Large PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO Pension $49,428 0.03% 16,476
Large Squarepoint Ops LLC $45,597 0.03% 15,199
Mid Moors & Cabot, Inc. $44,265 0.03% 14,755
Mega CITIGROUP INC $43,305 0.03% 14,435
Large VOYA INVESTMENT MANAGEMENT LLC $42,792 0.03% 14,264
Large Police & Firemen's Retirement System of New Jersey Pension $40,077 0.02% 13,359
Large Grantham, Mayo, Van Otterloo & Co. LLC $36,993 0.02% 12,331
Mid DIVERSIFY WEALTH MANAGEMENT, LLC $36,561 0.02% 12,187
Large OSAIC HOLDINGS, INC. $35,244 0.02% 11,748
Large PRUDENTIAL FINANCIAL INC $35,031 0.02% 11,677
Small CANANDAIGUA NATIONAL CORP $34,797 0.02% 11,599
Mid Tower Research Capital LLC (TRC) $34,497 0.02% 11,499
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