OSUR — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| BlackRock, Inc. | $27,905,157 | 6,256,762 | 11.73% | Shares |
| NEUBERGER BERMAN GROUP LLC | $20,915,700 | 4,685,432 | 8.79% | Shares |
| PRIVATE MANAGEMENT GROUP INC | $16,937,662 | 3,797,682 | 7.12% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $13,464,325 | 3,018,907 | 5.66% | Shares |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | $12,746,565 | 2,857,974 | 5.36% | Shares |
| DIMENSIONAL FUND ADVISORS LP | $10,440,967 | 2,340,901 | 4.39% | Shares |
| VANGUARD GROUP INC | $9,928,370 | 4,102,632 | 4.17% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $8,986,467 | 2,014,903 | 3.78% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $8,065,266 | 1,807,889 | 3.39% | Shares |
| STATE STREET CORP | $7,522,276 | 1,686,609 | 3.16% | Shares |
| GAGNON SECURITIES LLC | $7,100,976 | 1,592,147 | 2.98% | Shares |
| CANNELL CAPITAL LLC | $6,366,289 | 1,427,419 | 2.68% | Shares |
| Gagnon Advisors, LLC | $5,385,182 | 1,207,440 | 2.26% | Shares |
| First Eagle Investment Management, LLC | $4,739,865 | 1,062,750 | 1.99% | Shares |
| Peapod Lane Capital LLC | $4,432,683 | 993,875 | 1.86% | Shares |
| KOTLER KEVIN | $4,359,499 | 1,801,446 | 1.83% | Shares |
| WELLS FARGO & COMPANY/MN | $4,121,173 | 924,030 | 1.73% | Shares |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $3,768,410 | 844,935 | 1.58% | Shares |
| D. E. Shaw & Co., Inc. | $3,689,254 | 827,187 | 1.55% | Shares |
| Archon Capital Management LLC | $3,335,674 | 747,909 | 1.40% | Shares |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $2,781,541 | 623,664 | 1.17% | Shares |
| Camber Capital Management LP | $2,700,000 | 900,000 | 1.13% | Shares |
| JPMORGAN CHASE & CO | $2,651,297 | 589,177 | 1.11% | Shares |
| NORTHERN TRUST CORP | $2,619,840 | 587,408 | 1.10% | Shares |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $2,584,940 | 579,583 | 1.09% | Shares |
| GOLDMAN SACHS GROUP INC | $2,504,959 | 561,650 | 1.05% | Shares |
| VANGUARD FIDUCIARY TRUST CO | $2,042,979 | 458,067 | 0.86% | Shares |
| Kent Lake PR LLC | $1,822,831 | 567,860 | 0.77% | Shares |
| TUDOR INVESTMENT CORP ET AL | $1,787,697 | 400,829 | 0.75% | Shares |
| KLP KAPITALFORVALTNING AS | $1,620,318 | 363,300 | 0.68% | Shares |
| NOMURA HOLDINGS INC | $1,600,248 | 358,800 | 0.67% | Call option |
| INTRINSIC EDGE CAPITAL MANAGEMENT LLC | $1,556,825 | 349,064 | 0.65% | Shares |
| Orion Porfolio Solutions, LLC | $1,500,339 | 336,399 | 0.63% | Shares |
| MORGAN STANLEY | $1,496,937 | 335,636 | 0.63% | Shares |
| AQR CAPITAL MANAGEMENT LLC | $1,426,499 | 319,843 | 0.60% | Shares |
| UBS Group AG | $1,159,537 | 259,986 | 0.49% | Shares |
| Bank of New York Mellon Corp | $925,980 | 207,619 | 0.39% | Shares |
| SEI INVESTMENTS CO | $912,144 | 204,510 | 0.38% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $886,555 | 198,779 | 0.37% | Shares |
| AMERICAN CENTURY COMPANIES INC | $846,165 | 189,723 | 0.36% | Shares |
| MILLENNIUM MANAGEMENT LLC | $839,921 | 188,323 | 0.35% | Shares |
| AMERIPRISE FINANCIAL INC | $785,192 | 176,052 | 0.33% | Shares |
| STRS OHIO | $699,774 | 156,900 | 0.29% | Shares |
| Man Group plc | $672,809 | 150,854 | 0.28% | Shares |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $651,272 | 146,025 | 0.27% | Shares |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $602,809 | 135,159 | 0.25% | Shares |
| Marquette Asset Management, LLC | $600,566 | 134,656 | 0.25% | Shares |
| Odyssean, LLC | $597,359 | 133,937 | 0.25% | Shares |
| Invesco Ltd. | $593,032 | 132,967 | 0.25% | Shares |
| Nuveen, LLC | $585,741 | 131,332 | 0.25% | Shares |
| DEUTSCHE BANK AG\ | $527,284 | 118,225 | 0.22% | Shares |
| HSBC HOLDINGS PLC | $523,701 | 119,430 | 0.22% | Shares |
| XTX Topco Ltd | $501,754 | 112,501 | 0.21% | Shares |
| BARCLAYS PLC | $476,948 | 106,939 | 0.20% | Shares |
| Murphy Pohlad Asset Management LLC | $473,950 | 106,267 | 0.20% | Shares |
| CITADEL ADVISORS LLC | $454,733 | 101,958 | 0.19% | Shares |
| FULLER & THALER ASSET MANAGEMENT, INC. | $438,860 | 98,399 | 0.18% | Shares |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $416,426 | 93,369 | 0.18% | Shares |
| RHUMBLINE ADVISERS | $393,648 | 88,264 | 0.17% | Shares |
| Orion Portfolio Solutions, LLC | $364,415 | 108,135 | 0.15% | Shares |
| ALLIANCEBERNSTEIN L.P. | $326,448 | 108,816 | 0.14% | Shares |
| Russell Investments Group, Ltd. | $320,021 | 71,754 | 0.13% | Shares |
| TWO SIGMA INVESTMENTS, LP | $264,478 | 59,300 | 0.11% | Shares |
| BANK OF AMERICA CORP /DE/ | $255,901 | 57,377 | 0.11% | Shares |
| Nierenberg Investment Management Company, LLC | $247,775 | 55,555 | 0.10% | Shares |
| Caption Management, LLC | $240,109 | 53,836 | 0.10% | Shares |
| NewEdge Advisors, LLC | $215,244 | 48,261 | 0.09% | Shares |
| STATE OF WISCONSIN INVESTMENT BOARD | $212,729 | 47,697 | 0.09% | Shares |
| IMC-Chicago, LLC | $208,059 | 46,650 | 0.09% | Shares |
| Graham Capital Management, L.P. | $197,582 | 44,301 | 0.08% | Shares |
| MetLife Investment Management, LLC | $172,049 | 38,576 | 0.07% | Shares |
| BOOTHBAY FUND MANAGEMENT, LLC | $155,092 | 34,774 | 0.07% | Shares |
| Metis Global Partners, LLC | $153,558 | 34,430 | 0.06% | Shares |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $153,147 | 34,338 | 0.06% | Shares |
| TWO SIGMA ADVISERS, LP | $138,182 | 57,100 | 0.06% | Shares |
| CITIGROUP INC | $134,889 | 30,244 | 0.06% | Shares |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $134,665 | 30,194 | 0.06% | Shares |
| Manatuck Hill Partners, LLC | $133,800 | 30,000 | 0.06% | Shares |
| HighTower Advisors, LLC | $131,664 | 29,521 | 0.06% | Shares |
| Quadrature Capital Ltd | $124,501 | 27,915 | 0.05% | Shares |
| BFSG, LLC | $123,186 | 27,620 | 0.05% | Shares |
| Schonfeld Strategic Advisors LLC | $120,396 | 26,995 | 0.05% | Shares |
| Vanguard Global Advisers, LLC | $114,065 | 25,575 | 0.05% | Shares |
| Caption Management, LLC | $111,500 | 25,000 | 0.05% | Call option |
| MARSHALL WACE, LLP | $107,932 | 24,200 | 0.05% | Shares |
| Police & Firemen's Retirement System of New Jersey | $105,622 | 23,682 | 0.04% | Shares |
| GROUP ONE TRADING LLC | $95,939 | 21,511 | 0.04% | Shares |
| Quantinno Capital Management LP | $91,934 | 20,613 | 0.04% | Shares |
| Jain Global LLC | $91,729 | 20,567 | 0.04% | Shares |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $91,657 | 20,551 | 0.04% | Shares |
| OneDigital Investment Advisors LLC | $91,314 | 20,474 | 0.04% | Shares |
| Significant Wealth Partners LLC | $91,127 | 20,432 | 0.04% | Shares |
| Quadrant Private Wealth Management, LLC | $90,360 | 20,260 | 0.04% | Shares |
| NEW YORK STATE COMMON RETIREMENT FUND | $86,109 | 19,307 | 0.04% | Shares |
| LPL Financial LLC | $83,081 | 18,628 | 0.03% | Shares |
| COLDSTREAM CAPITAL MANAGEMENT INC | $80,187 | 17,979 | 0.03% | Shares |
| Vanguard Personalized Indexing Management, LLC | $74,817 | 16,775 | 0.03% | Shares |
| VOYA INVESTMENT MANAGEMENT LLC | $72,243 | 16,198 | 0.03% | Shares |
| CITADEL ADVISORS LLC | $71,360 | 16,000 | 0.03% | Call option |
| SIMPLEX TRADING, LLC | $68,862 | 15,440 | 0.03% | Shares |
| WOLVERINE TRADING, LLC | $68,370 | 21,500 | 0.03% | Call option |
| Headlands Technologies LLC | $67,426 | 15,118 | 0.03% | Shares |
| Moors & Cabot, Inc. | $65,807 | 14,755 | 0.03% | Shares |
| JANE STREET GROUP, LLC | $64,764 | 14,521 | 0.03% | Shares |
| INTECH INVESTMENT MANAGEMENT LLC | $64,674 | 14,501 | 0.03% | Shares |
| PNC Financial Services Group, Inc. | $61,883 | 13,875 | 0.03% | Shares |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $55,501 | 12,922 | 0.02% | Shares |
| TWO SIGMA SECURITIES, LLC | $55,478 | 12,439 | 0.02% | Shares |
| Grantham, Mayo, Van Otterloo & Co. LLC | $54,996 | 12,331 | 0.02% | Shares |
| OSAIC HOLDINGS, INC. | $54,269 | 12,168 | 0.02% | Shares |
| PRUDENTIAL FINANCIAL INC | $52,079 | 11,677 | 0.02% | Shares |
| DIVERSIFY WEALTH MANAGEMENT, LLC | $46,625 | 11,774 | 0.02% | Shares |
| Diversify Advisory Services, LLC | $46,625 | 11,774 | 0.02% | Shares |
| FMR LLC | $46,049 | 10,325 | 0.02% | Shares |
| MERCER GLOBAL ADVISORS INC /ADV | $45,100 | 10,112 | 0.02% | Shares |
| Sonora Investment Management Group, LLC | $42,475 | 13,232 | 0.02% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $36,679 | 8,224 | 0.02% | Shares |
| CANANDAIGUA NATIONAL CORP | $34,797 | 11,599 | 0.01% | Shares |
| Ameritas Investment Partners, Inc. | $33,236 | 7,452 | 0.01% | Shares |
| Legal & General Group Plc | $30,105 | 6,750 | 0.01% | Shares |
| ROYAL BANK OF CANADA | $30,000 | 6,786 | 0.01% | Shares |
| Arax Advisory Partners | $26,399 | 5,919 | 0.01% | Shares |
| Tower Research Capital LLC (TRC) | $23,339 | 5,233 | 0.01% | Shares |
| Global Retirement Partners, LLC | $20,266 | 4,544 | 0.01% | Shares |
| Altai Capital Management, L.P. | $16,118 | 3,613,836 | 0.01% | Shares |
| CWM, LLC | $14,322 | 4,774 | 0.01% | Shares |
| Farther Finance Advisors, LLC | $11,357 | 2,543 | 0.00% | Shares |
| ACADIAN ASSET MANAGEMENT LLC | $9,016 | 2,022,119 | 0.00% | Shares |
| Nemes Rush Group LLC | $8,920 | 2,000 | 0.00% | Shares |
| CGC Financial Services, LLC | $8,202 | 1,839 | 0.00% | Shares |
| FIFTH THIRD BANCORP | $7,835 | 1,757 | 0.00% | Shares |
| Federation des caisses Desjardins du Quebec | $6,690 | 1,500 | 0.00% | Shares |
| North Star Investment Management Corp. | $6,311 | 1,415 | 0.00% | Shares |
| Sterling Capital Management LLC | $5,807 | 1,302 | 0.00% | Shares |
| COMERICA BANK | $5,626 | 2,325 | 0.00% | Shares |
| VALLEY NATIONAL ADVISERS INC | $5,575 | 1,250 | 0.00% | Shares |
| GAMMA Investing LLC | $4,603 | 1,032 | 0.00% | Shares |
| Rockefeller Capital Management L.P. | $4,460 | 1,000 | 0.00% | Shares |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $4,027 | 903 | 0.00% | Shares |
| Ameritas Advisory Services, LLC | $3,706 | 831 | 0.00% | Shares |
| Silver Grove Financial Group, Inc. | $3,416 | 766 | 0.00% | Shares |
| ASSETMARK, INC | $2,961 | 664 | 0.00% | Shares |
| EverSource Wealth Advisors, LLC | $2,551 | 572 | 0.00% | Shares |
| Essential Partners LLC | $1,860 | 417 | 0.00% | Shares |
| Allworth Financial LP | $1,611 | 361 | 0.00% | Shares |
| FTB Advisors, Inc. | $1,398 | 466 | 0.00% | Shares |
| Versant Capital Management, Inc | $1,145 | 292 | 0.00% | Shares |
| Blue Trust, Inc. | $1,128 | 253 | 0.00% | Shares |
| Advisors Asset Management, Inc. | $1,099 | 454 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $1,027 | 230,170 | 0.00% | Shares |
| True Wealth Design, LLC | $928 | 208 | 0.00% | Shares |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $810 | 270 | 0.00% | Shares |
| Bogart Wealth, LLC | $669 | 150 | 0.00% | Shares |
| HighMark Wealth Management LLC | $446 | 100 | 0.00% | Shares |
| Fortitude Family Office, LLC | $268 | 60 | 0.00% | Shares |
| CIBC Private Wealth Group LLC | $241 | 75 | 0.00% | Shares |
| SJS Investment Consulting Inc. | $161 | 36 | 0.00% | Shares |
| ROTHSCHILD INVESTMENT LLC | $156 | 35 | 0.00% | Shares |
| SG Americas Securities, LLC | $137 | 30,824 | 0.00% | Shares |
| Sunbelt Securities, Inc. | $99 | 33 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $80 | 18 | 0.00% | Shares |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | $73 | 16,476 | 0.00% | Shares |
| SHIKIAR ASSET MANAGEMENT INC | $67 | 15,000 | 0.00% | Shares |
| Caitong International Asset Management Co., Ltd | $67 | 15 | 0.00% | Shares |
| Optiver Holding B.V. | $27 | 6 | 0.00% | Shares |
| Clearstead Advisors, LLC | $18 | 4 | 0.00% | Shares |
| JPL Wealth Management, LLC | $14 | 3 | 0.00% | Shares |
| HAZLETT, BURT & WATSON, INC. | $7 | 1,500 | 0.00% | Shares |