13F QoQ Ownership Changes
OSUR Institutional Holders
Period 2025-12-31 · prior 2025-09-30 · 16 new · 37 added · 87 reduced · 23 exited
New Positions(16)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| KOTLER KEVIN | 1,801,446 | +1,801,446 | $4.4M | +$4.4M | — |
| Archon Capital Management LLC | 573,503 | +573,503 | $1.4M | +$1.4M | — |
| INTRINSIC EDGE CAPITAL MANAGEMENT LLC | 349,064 | +349,064 | $844.7K | +$844.7K | — |
| T3 Companies, LLC | 77,400 | +77,400 | $187.3K | +$187.3K | — |
| Odyssean, LLC | 66,905 | +66,905 | $161.9K | +$161.9K | — |
| Jump Financial, LLC | 54,093 | +54,093 | $130.9K | +$130.9K | — |
| Numerai GP LLC | 41,370 | +41,370 | $100.1K | +$100.1K | — |
| Sanctuary Advisors, LLC | 29,275 | +29,275 | $87.8K | +$87.8K | — |
| Jain Global LLC | 31,440 | +31,440 | $76.1K | +$76.1K | — |
| Brevan Howard Capital Management LP | 26,496 | +26,496 | $64.1K | +$64.1K | — |
| HighTower Advisors, LLC | 20,142 | +20,142 | $48.7K | +$48.7K | — |
| Quadrature Capital Ltd | 11,475 | +11,475 | $27.8K | +$27.8K | — |
| Global Retirement Partners, LLC | 4,103 | +4,103 | $9.9K | +$9.9K | — |
| Rachor Investment Advisory Services, LLC | 596 | +596 | $1.4K | +$1.4K | — |
| BROWN BROTHERS HARRIMAN & CO | 295 | +295 | $714 | +$714 | — |
| Hilton Head Capital Partners, LLC | 150 | +150 | $363 | +$363 | — |
Added To(37)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 49,755 | +49,372 | $60.5M | +$60.5M | 12890.9% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 622,083 | +830 | $1.5M | -$488.8K | 0.1% |
| WELLS FARGO & COMPANY/MN | 877,030 | +83,858 | $2.1M | -$423.7K | 10.6% |
| Qube Research & Technologies Ltd | 216,941 | +168,699 | $525.0K | +$370.1K | 349.7% |
| JANE STREET GROUP, LLC | 357,496 | +194,715 | $865.1K | +$342.6K | 119.6% |
| SEI INVESTMENTS CO | 184,226 | +151,982 | $445.8K | +$342.3K | 471.3% |
| Peapod Lane Capital LLC | 1,018,470 | +344,437 | $2.5M | +$301.1K | 51.1% |
| KLP KAPITALFORVALTNING AS | 363,300 | +179,500 | $879.2K | +$289.2K | 97.7% |
| MORGAN STANLEY | 529,262 | +205,604 | $1.3M | +$241.9K | 63.5% |
| CITADEL ADVISORS LLC | 405,893 | +133,928 | $982.3K | +$109.3K | 49.2% |
| Invesco Ltd. | 161,182 | +16,041 | $390.1K | -$75.8K | 11.1% |
| DEUTSCHE BANK AG\ | 93,806 | +291 | $227.0K | -$73.2K | 0.3% |
| XTX Topco Ltd | 121,144 | +44,379 | $293.2K | +$46.8K | 57.8% |
| NewEdge Advisors, LLC | 47,752 | +16 | $115.6K | -$37.7K | 0.0% |
| BARCLAYS PLC | 158,530 | +20,890 | $475.6K | +$33.8K | 15.2% |
| BFSG, LLC | 43,610 | +630 | $105.5K | -$32.4K | 1.5% |
| Graham Capital Management, L.P. | 25,339 | +14,133 | $61.3K | +$25.3K | 126.1% |
| BANK OF AMERICA CORP /DE/ | 132,429 | +26,083 | $320.5K | -$20.9K | 24.5% |
| Russell Investments Group, Ltd. | 43,636 | +5,138 | $105.6K | -$18.0K | 13.3% |
| LPL Financial LLC | 19,492 | +313 | $47.2K | -$14.4K | 1.6% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 29,215 | +3,462 | $70.7K | -$12.0K | 13.4% |
| Prestige Wealth Management Group LLC | 3,767 | +3,162 | $13.7K | +$11.8K | 522.6% |
| ProShare Advisors LLC | 12,966 | +109 | $31.4K | -$9.9K | 0.8% |
| L2 Asset Management, LLC | 18,201 | +1,581 | $44.0K | -$9.3K | 9.5% |
| Rockefeller Capital Management L.P. | 3,473 | +3,030 | $8.4K | +$7.0K | 684.0% |
| OSAIC HOLDINGS, INC. | 11,265 | +805 | $27.3K | -$6.4K | 7.7% |
| FMR LLC | 10,911 | +829 | $26.4K | -$6.0K | 8.2% |
| Murphy Pohlad Asset Management LLC | 114,867 | +27,300 | $278.0K | -$3.1K | 31.2% |
| Farther Finance Advisors, LLC | 4,487 | +1,644 | $10.9K | +$1.7K | 57.8% |
| GAMMA Investing LLC | 719 | +714 | $1.7K | +$1.7K | 14280.0% |
| BNP PARIBAS FINANCIAL MARKETS | 19,676 | +4,401 | $47.6K | -$1.4K | 28.8% |
| NISA INVESTMENT ADVISORS, LLC | 5,030 | +1,405 | $12.2K | +$537 | 38.8% |
| Tower Research Capital LLC (TRC) | 6,379 | +1,491 | $15.4K | -$253 | 30.5% |
| CITIGROUP INC | 1,606 | +434 | $3.9K | +$124 | 37.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 183,285 | +61,300 | $444 | +$52 | 50.3% |
| GSA CAPITAL PARTNERS LLP | 151,086 | +41,296 | $366 | +$14 | 37.6% |
| SG Americas Securities, LLC | 19,748 | +8,632 | $48 | +$12 | 77.7% |
Reduced(87)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,447,181 | -261,703 | $15.6M | -$5.9M | -3.9% |
| MILLENNIUM MANAGEMENT LLC | 862,397 | -1,250,110 | $2.1M | -$4.7M | -59.2% |
| PRIVATE MANAGEMENT GROUP INC | 5,396,219 | -21,070 | $13.1M | -$4.3M | -0.4% |
| JPMORGAN CHASE & CO | 397,085 | -1,174,143 | $960.9K | -$4.1M | -74.7% |
| NEUBERGER BERMAN GROUP LLC | 3,984,854 | -218,984 | $9.7M | -$3.8M | -5.2% |
| DIMENSIONAL FUND ADVISORS LP | 3,258,593 | -377,667 | $7.9M | -$3.8M | -10.4% |
| Steamboat Capital Partners, LLC | 400,000 | -951,581 | $968.0K | -$3.4M | -70.4% |
| VANGUARD GROUP INC | 4,102,632 | -31,508 | $9.9M | -$3.3M | -0.8% |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 2,477,574 | -44,870 | $6.0M | -$2.1M | -1.8% |
| RENAISSANCE TECHNOLOGIES LLC | 2,145,003 | -116,100 | $5.2M | -$2.1M | -5.1% |
| CANNELL CAPITAL LLC | 1,954,012 | -145,803 | $4.7M | -$2.0M | -6.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,751,383 | -118,328 | $4.2M | -$1.8M | -6.3% |
| D. E. Shaw & Co., Inc. | 1,665,532 | -24,139 | $4.0M | -$1.4M | -1.4% |
| GAGNON SECURITIES LLC | 1,569,782 | -24,989 | $3.8M | -$1.3M | -1.6% |
| STATE STREET CORP | 1,604,806 | -12,571 | $3.9M | -$1.3M | -0.8% |
| Gagnon Advisors, LLC | 1,207,440 | 0 | $2.9M | -$953.9K | 0.0% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 988,698 | -48,099 | $2.4M | -$935.5K | -4.6% |
| Royal Bank of Canada | 6,017 | -289,408 | $15.0K | -$882.0K | -98.0% |
| GOLDMAN SACHS GROUP INC | 317,066 | -161,383 | $767.3K | -$768.5K | -33.7% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 437,263 | -125,000 | $1.1M | -$746.7K | -22.2% |
| NORTHERN TRUST CORP | 575,513 | -71,207 | $1.4M | -$683.2K | -11.0% |
| UBS Group AG | 679,809 | -42,711 | $1.6M | -$674.2K | -5.9% |
| Bank of New York Mellon Corp | 212,862 | -85,734 | $515.1K | -$443.4K | -28.7% |
| TUDOR INVESTMENT CORP ET AL | 186,901 | -64,966 | $452.3K | -$356.2K | -25.8% |
| Orion Porfolio Solutions, LLC | 293,526 | -11,091 | $710.3K | -$267.5K | -3.6% |
| AQR CAPITAL MANAGEMENT LLC | 221,933 | -16,072 | $537.1K | -$226.9K | -6.8% |
| AMERIPRISE FINANCIAL INC | 263,607 | -364 | $637.9K | -$209.4K | -0.1% |
| Empowered Funds, LLC | 49,631 | -50,000 | $120.1K | -$199.7K | -50.2% |
| AMERICAN CENTURY COMPANIES INC | 202,964 | -8,240 | $491.2K | -$186.8K | -3.9% |
| Squarepoint Ops LLC | 13,609 | -50,638 | $32.9K | -$173.3K | -78.8% |
| RHUMBLINE ADVISERS | 90,694 | -19,565 | $219.5K | -$134.5K | -17.7% |
| Nuveen, LLC | 158,428 | 0 | $383.4K | -$125.2K | 0.0% |
| STRS OHIO | 150,000 | 0 | $363.0K | -$118.5K | 0.0% |
| MetLife Investment Management, LLC | 13,019 | -29,091 | $31.5K | -$103.7K | -69.1% |
| ALLIANCEBERNSTEIN L.P. | 130,216 | 0 | $315.1K | -$102.9K | 0.0% |
| Significant Wealth Partners LLC | 19,397 | -20,994 | $46.9K | -$82.7K | -52.0% |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 93,379 | 0 | $226.0K | -$73.8K | 0.0% |
| Verition Fund Management LLC | 32,795 | -10,951 | $79.4K | -$61.1K | -25.0% |
| Police & Firemen's Retirement System of New Jersey | 13,359 | -12,507 | $32.3K | -$50.7K | -48.4% |
| Quadrant Private Wealth Management, LLC | 20,260 | -10,000 | $49.0K | -$48.1K | -33.0% |
| TWO SIGMA ADVISERS, LP | 57,100 | -700 | $138.2K | -$47.4K | -1.2% |
| Metis Global Partners, LLC | 56,933 | 0 | $137.8K | -$45.0K | 0.0% |
| Spire Wealth Management | 3,800 | -11,310 | $9.2K | -$39.3K | -74.8% |
| INTECH INVESTMENT MANAGEMENT LLC | 30,740 | -4,666 | $74.4K | -$39.3K | -13.2% |
| Assenagon Asset Management S.A. | 48,409 | 0 | $117.2K | -$38.2K | 0.0% |
| Nierenberg Investment Management Company, Inc. | 44,555 | 0 | $107.8K | -$35.2K | 0.0% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 32,922 | -2,407 | $79.7K | -$33.7K | -6.8% |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 34,338 | 0 | $83.1K | -$27.1K | 0.0% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 27,262 | -1,604 | $66.0K | -$26.7K | -5.5% |
| Moors & Cabot, Inc. | 14,755 | -4,245 | $35.7K | -$25.3K | -22.3% |
| Manatuck Hill Partners, LLC | 30,000 | 0 | $72.6K | -$23.7K | 0.0% |
| OneDigital Investment Advisors LLC | 16,850 | -1,582 | $40.8K | -$18.4K | -8.6% |
| NEW YORK STATE COMMON RETIREMENT FUND | 19,307 | 0 | $46.7K | -$15.3K | 0.0% |
| Voya Investment Management LLC | 15,280 | 0 | $37.0K | -$12.1K | 0.0% |
| CANANDAIGUA NATIONAL BANK & TRUST CO | 11,599 | -667 | $28.1K | -$11.3K | -5.4% |
| PNC Financial Services Group, Inc. | 12,403 | -340 | $30.0K | -$10.9K | -2.7% |
| Grantham, Mayo, Van Otterloo & Co. LLC | 12,331 | 0 | $29.8K | -$9.7K | 0.0% |
| Sterling Capital Management LLC | 4,091 | -1,097 | $9.9K | -$6.8K | -21.1% |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 4,362 | -820 | $10.6K | -$6.1K | -15.8% |
| Ameritas Investment Partners, Inc. | 7,452 | 0 | $18.0K | -$5.9K | 0.0% |
| SIMPLEX TRADING, LLC | 2,393 | -5,810 | $5.8K | +$5.8K | -70.8% |
| Legal & General Group Plc | 6,750 | 0 | $16.3K | -$5.3K | 0.0% |
| EverSource Wealth Advisors, LLC | 30 | -1,078 | $73 | -$3.5K | -97.3% |
| Altai Capital Management, L.P. | 3,740,836 | -8,000 | $9.1K | -$3.0K | -0.2% |
| COMERICA BANK | 2,325 | -167 | $5.6K | -$2.4K | -6.7% |
| ACADIAN ASSET MANAGEMENT LLC | 2,022,119 | -102,807 | $4.9K | -$1.9K | -4.8% |
| Advisors Asset Management, Inc. | 454 | -405 | $1.1K | -$1.7K | -47.1% |
| Nemes Rush Group LLC | 2,000 | 0 | $4.8K | -$1.6K | 0.0% |
| CGC Financial Services, LLC | 1,839 | 0 | $4.5K | -$1.5K | 0.0% |
| North Star Investment Management Corp. | 1,530 | 0 | $3.7K | -$1.2K | 0.0% |
| Federation des caisses Desjardins du Quebec | 1,500 | 0 | $3.6K | -$1.2K | 0.0% |
| IFP Advisors, Inc | 0 | 0 | $867 | +$867 | — |
| Optiver Holding B.V. | 964 | 0 | $2.3K | -$761 | 0.0% |
| ROTHSCHILD INVESTMENT LLC | 35 | -220 | $85 | -$734 | -86.3% |
| Versant Capital Management, Inc | 292 | 0 | $707 | -$230 | 0.0% |
| Blue Trust, Inc. | 253 | 0 | $612 | -$200 | 0.0% |
| Sunbelt Securities, Inc. | 14 | -46 | $34 | -$159 | -76.7% |
| Bogart Wealth, LLC | 150 | 0 | $363 | -$119 | 0.0% |
| HighMark Wealth Management LLC | 100 | 0 | $242 | -$79 | 0.0% |
| CIBC Private Wealth Group LLC | 75 | 0 | $182 | -$59 | 0.0% |
| SHIKIAR ASSET MANAGEMENT INC | 25,000 | 0 | $60 | -$20 | 0.0% |
| SBI Securities Co., Ltd. | 18 | 0 | $44 | -$14 | 0.0% |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 16,476 | 0 | $40 | -$13 | 0.0% |
| CWM, LLC | 964 | -2,065 | $2 | -$8 | -68.2% |
| AMALGAMATED BANK | 2,230 | -233 | $5 | -$3 | -9.5% |
| HAZLETT, BURT & WATSON, INC. | 1,500 | 0 | $4 | -$1 | 0.0% |
| VALLEY NATIONAL ADVISERS INC | 1,350 | 0 | $3 | -$1 | 0.0% |
Sold Out(23)
| Manager | Shares | Δ Shares | Value | Δ Value | % Δ |
|---|---|---|---|---|---|
| Allianz Asset Management GmbH | 0 | -574,266 | $0 | -$1.8M | — |
| Kent Lake PR LLC | 0 | -567,860 | $0 | -$1.8M | — |
| Factorial Partners, LLC | 0 | -279,592 | $0 | -$897.5K | — |
| HSBC HOLDINGS PLC | 0 | -68,831 | $0 | -$218.2K | — |
| RBF Capital, LLC | 0 | -48,096 | $0 | -$154.4K | — |
| Brooklyn Investment Group | 0 | -46,831 | $0 | -$141.0K | — |
| TWO SIGMA INVESTMENTS, LP | 0 | -43,300 | $0 | -$139.0K | — |
| ENVESTNET ASSET MANAGEMENT INC | 0 | -27,695 | $0 | -$88.9K | — |
| WOLVERINE TRADING, LLC | 0 | -21,500 | $0 | -$68.4K | — |
| STATE OF WISCONSIN INVESTMENT BOARD | 0 | -18,142 | $0 | -$58.2K | — |
| Private Advisor Group, LLC | 0 | -17,905 | $0 | -$57.5K | — |
| COLDSTREAM CAPITAL MANAGEMENT INC | 0 | -16,018 | $0 | -$51.4K | — |
| Sonora Investment Management Group, LLC | 0 | -13,232 | $0 | -$42.5K | — |
| Engineers Gate Manager LP | 0 | -11,481 | $0 | -$36.9K | — |
| Pathstone Holdings, LLC | 0 | -10,437 | $0 | -$33.5K | — |
| PRUDENTIAL FINANCIAL INC | 0 | -10,339 | $0 | -$33.2K | — |
| Fortitude Family Office, LLC | 0 | -873 | $0 | -$2.8K | — |
| GROUP ONE TRADING LLC | 0 | -852 | $0 | -$2.7K | — |
| JONES FINANCIAL COMPANIES LLLP | 0 | -400 | $0 | -$1.3K | — |
| Advisory Services Network, LLC | 0 | -200 | $0 | -$642 | — |
| SALEM INVESTMENT COUNSELORS INC | 0 | -85 | $0 | -$273 | — |
| HRT FINANCIAL LP | 0 | -69,326 | $0 | -$222 | — |
| Covestor Ltd | 0 | -92 | $0 | $0 | — |