SAB Biotherapeutics, Inc. - SABS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Vivo Capital, LLC | History | No change | 11,420,000 | 43,738 | 3.64% | 2.76% | 1 | 0 | 0.0% | Q1 2026 | May 20, 2026 |
| Caligan Partners LP | History | New | 7,967,207 | 30,514 | 2.03% | — | 2 | +7,967,207 | New | Q1 2026 | May 15, 2026 |
| PERCEPTIVE ADVISORS LLC | History | Added to | 6,431,743 | 24,633 | 0.48% | 0.05% | 3 | +5,628,533 | 700.75% | Q1 2026 | May 29, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | No change | 4,401,500 | 16,857 | 0.18% | 0.17% | 4 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Commodore Capital LP | History | No change | 4,401,500 | 16,857 | 0.98% | 1.1% | 5 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Added to | 3,760,439 | 14,402 | 0.02% | 0.0% | 6 | +3,285,000 | 690.94% | Q1 2026 | May 15, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | New | 3,405,553 | 13,043 | 0.02% | — | 7 | +3,405,553 | New | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 3,032,697 | 11,615 | 0.0% | 0.0% | 8 | +2,708,607 | 835.76% | Q1 2026 | May 15, 2026 |
| Woodline Partners LP | History | Added to | 2,851,791 | 10,922 | 0.04% | 0.04% | 9 | +910 | 0.03% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 2,493,737 | 9,551 | 0.0% | — | 10 | +2,493,737 | New | Q1 2026 | May 15, 2026 |
| Sessa Capital IM, L.P. | History | No change | 2,198,457 | 8,420 | 0.15% | 0.15% | 11 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Spruce Street Capital LP | History | No change | 2,198,502 | 8,420 | 2.02% | 2.72% | 12 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| VANGUARD GROUP INC | History | No change | 1,847,136 | 6,908 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 1,481,660 | 5,674 | 0.07% | — | 14 | +1,481,660 | New | Q1 2026 | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 1,476,106 | 5,653 | 0.0% | 0.0% | 15 | +1,192,461 | 420.41% | Q1 2026 | May 15, 2026 |
| Ensign Peak Advisors, Inc | History | New | 1,375,610 | 5,268 | 0.01% | — | 16 | +1,375,610 | New | Q1 2026 | May 13, 2026 |
| Soleus Capital Management, L.P. | History | New | 1,050,000 | 4,021 | 0.16% | — | 17 | +1,050,000 | New | Q1 2026 | May 14, 2026 |
| Propel Bio Management, LLC | History | Added to | 1,012,790 | 3,886 | 2.45% | 2.08% | 18 | +359,909 | 55.13% | Q1 2026 | May 14, 2026 |
| Jefferies Financial Group Inc. | History | Added to | 903,094 | 3,458 | 0.02% | 0.01% | 19 | +322,766 | 55.62% | Q1 2026 | May 07, 2026 |
| Blackstone Inc. | History | Reduced | 860,170 | 3,294 | 0.01% | 0.03% | 20 | -1,283,415 | -59.87% | Q1 2026 | May 15, 2026 |
| ExodusPoint Capital Management, LP | History | Added to | 768,627 | 2,943 | 0.02% | 0.0% | 21 | +682,514 | 792.58% | Q1 2026 | May 14, 2026 |
| Affinity Asset Advisors, LLC | History | New | 575,000 | 2,202 | 0.11% | — | 22 | +575,000 | New | Q1 2026 | May 14, 2026 |
| Monashee Investment Management LLC | History | New | 500,000 | 1,915 | 1.04% | — | 23 | +500,000 | New | Q1 2026 | May 13, 2026 |
| MARSHALL WACE, LLP | History | Added to | 463,925 | 1,776 | 0.0% | 0.0% | 24 | +227,465 | 96.2% | Q1 2026 | May 14, 2026 |
| DV Trading LLC | History | New | 400,000 | 1,532 | 0.04% | — | 26 | +400,000 | New | Q1 2026 | May 15, 2026 |
| AWM Investment Company, Inc. | History | Added to | 400,000 | 1,532 | 0.17% | 0.07% | 25 | +200,000 | 100.0% | Q1 2026 | May 15, 2026 |
| STEMPOINT CAPITAL LP | History | Added to | 375,000 | 1,436 | 0.28% | 0.09% | 27 | +228,442 | 155.87% | Q1 2026 | May 15, 2026 |
| HB Wealth Management, LLC | History | No change | 307,500 | 1,177 | 0.01% | 0.01% | 28 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 302,036 | 1,157 | 0.0% | 0.0% | 29 | +182,519 | 152.71% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Added to | 301,326 | 1,154 | 0.0% | 0.0% | 30 | +284,087 | 1647.93% | Q1 2026 | May 13, 2026 |
| SEVEN GRAND MANAGERS, LLC | History | New | 275,000 | 1,053 | 0.07% | — | 31 | +275,000 | New | Q1 2026 | May 06, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 197,619 | 756 | 0.0% | — | 32 | +197,619 | New | Q1 2026 | May 08, 2026 |
| Simplify Asset Management Inc. | History | Reduced | 187,230 | 717 | 0.01% | 0.01% | 33 | -20,997 | -10.08% | Q1 2026 | Apr 27, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 181,185 | 693 | 0.0% | — | 34 | +181,185 | New | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 113,940 | 436 | 0.0% | 0.0% | 35 | +62,592 | 121.9% | Q1 2026 | May 15, 2026 |
| Seven Fleet Capital Management LP | History | New | 100,000 | 383 | 0.12% | — | 36 | +100,000 | New | Q1 2026 | Jun 04, 2026 |
| JANE STREET GROUP, LLC | History | New | 82,400 | 315 | 0.0% | — | 37 | +82,400 | New | Q1 2026 | May 12, 2026 |
| STATE STREET CORP | History | Added to | 74,231 | 284 | 0.0% | 0.0% | 38 | +61,109 | 465.7% | Q1 2026 | May 15, 2026 |
| Persistent Asset Partners Ltd | History | Added to | 69,732 | 267 | 0.1% | 0.03% | 39 | +49,942 | 252.36% | Q1 2026 | May 12, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 69,600 | 266 | 0.0% | 0.0% | 40 | +51,950 | 294.33% | Q1 2026 | May 15, 2026 |
| Kestra Advisory Services, LLC | History | Added to | 61,741 | 236 | 0.0% | 0.0% | 41 | +50,191 | 434.55% | Q1 2026 | Apr 30, 2026 |
| Brevan Howard Capital Management LP | History | New | 59,161 | 226 | 0.0% | — | 42 | +59,161 | New | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 57,426 | 219 | 0.0% | 0.0% | 43 | +41,014 | 249.9% | Q1 2026 | May 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 55,697 | 213 | 0.0% | 0.0% | 44 | +45,084 | 424.8% | Q1 2026 | May 15, 2026 |
| Pathstone Holdings, LLC | History | No change | 50,650 | 193 | 0.0% | 0.0% | 45 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Stonepine Capital Management, LLC | History | New | 50,000 | 191 | 0.08% | — | 46 | +50,000 | New | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Added to | 46,623 | 178 | 0.0% | 0.0% | 47 | +39,225 | 530.21% | Q1 2026 | May 05, 2026 |
| FIFTH LANE CAPITAL, LP | History | Added to | 46,500 | 178 | 0.22% | 0.04% | 48 | +31,500 | 210.0% | Q1 2026 | May 15, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | New | 46,455 | 177 | 0.0% | — | 49 | +46,455 | New | Q1 2026 | Apr 27, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 45,900 | 175 | 0.0% | — | 50 | +45,900 | New | Q1 2026 | May 15, 2026 |
| Virtu Financial LLC | History | New | 37,943 | 145 | 0.01% | — | 51 | +37,943 | New | Q1 2026 | May 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | New | 37,455 | 143 | 0.0% | — | 52 | +37,455 | New | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Added to | 36,805 | 140 | 0.0% | 0.0% | 53 | +6,831 | 22.79% | Q1 2026 | May 11, 2026 |
| Quadrature Capital Ltd | History | New | 35,264 | 135 | 0.0% | — | 54 | +35,264 | New | Q1 2026 | May 15, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | New | 34,124 | 130 | 0.01% | — | 55 | +34,124 | New | Q1 2026 | May 15, 2026 |
| OMERS ADMINISTRATION Corp | History | Reduced | 29,700 | 113 | 0.0% | 0.0% | 56 | -12,300 | -29.29% | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | History | Reduced | 24,098 | 92 | 0.0% | 0.0% | 57 | -7,049 | -22.63% | Q1 2026 | May 15, 2026 |
| First PREMIER Bank | History | No change | 18,986 | 73 | 0.02% | 0.02% | 58 | 0 | 0.0% | Q1 2026 | Apr 20, 2026 |
| Diametric Capital, LP | History | New | 16,292 | 62 | 0.02% | — | 59 | +16,292 | New | Q1 2026 | May 15, 2026 |
| Hudson Bay Capital Management LP | History | New | 16,100 | 61 | 0.0% | — | 60 | +16,100 | New | Q1 2026 | May 13, 2026 |
| Catalyst Funds Management Pty Ltd | History | New | 15,100 | 57 | 0.01% | — | 61 | +15,100 | New | Q1 2026 | May 11, 2026 |
| Focus Partners Wealth | History | Reduced | 14,036 | 53 | 0.0% | 0.0% | 62 | -5,165 | -26.9% | Q1 2026 | May 14, 2026 |
| Miller Capital Partners, Inc. | History | New | 12,870 | 49 | 0.02% | — | 63 | +12,870 | New | Q1 2026 | May 14, 2026 |
| Vanguard Global Advisers, LLC | History | New | 11,852 | 45 | 0.0% | — | 65 | +11,852 | New | Q1 2026 | May 08, 2026 |
| MORGAN STANLEY | History | Added to | 11,911 | 45 | 0.0% | 0.0% | 64 | +7,649 | 179.47% | Q1 2026 | May 15, 2026 |
| Scientech Research LLC | History | New | 10,816 | 41 | 0.03% | — | 66 | +10,816 | New | Q1 2026 | May 15, 2026 |
| State of Wyoming | History | Reduced | 7,899 | 30 | 0.0% | 0.0% | 67 | -1,072 | -11.95% | Q1 2026 | May 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | New | 7,700 | 29 | 0.0% | — | 69 | +7,700 | New | Q1 2026 | May 08, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 7,775 | 29 | 0.0% | 0.0% | 68 | +2,751 | 54.76% | Q1 2026 | May 15, 2026 |
| Plante Moran Financial Advisors, LLC | History | New | 5,925 | 22 | 0.0% | — | 70 | +5,925 | New | Q1 2026 | May 05, 2026 |
| SIMPLEX TRADING, LLC | History | New | 4,713 | 18 | 0.0% | — | 71 | +4,713 | New | Q1 2026 | May 14, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 3,269 | 12 | 0.0% | — | 72 | +3,269 | New | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 889 | 3 | 0.0% | — | 73 | +889 | New | Q1 2026 | May 12, 2026 |
| BARCLAYS PLC | History | New | 496 | 1 | 0.0% | — | 74 | +496 | New | Q1 2026 | May 14, 2026 |
| Verition Fund Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -26,867 | -100.0% | Q1 2026 | May 15, 2026 |
| ADAR1 Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -26,344 | -100.0% | Q1 2026 | May 15, 2026 |
| CAXTON CORP | History | Closed out | 0 | 0 | — | 0.92% | — | -10,527 | -100.0% | Q1 2026 | May 14, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 87 | 0 | — | 0.0% | — | -1,903 | -95.63% | Q1 2026 | May 13, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 161 | 0 | — | — | — | +161 | New | Q1 2026 | May 11, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -50 | -100.0% | Q1 2026 | Apr 27, 2026 |
| ROYAL BANK OF CANADA | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | May 15, 2026 |
| HARBOUR INVESTMENTS, INC. | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MAI Capital Management | History | No change | 217 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| GS Investments, Inc. | History | No change | 200 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 06, 2026 |