SAB BIOTHERAPEUTICS INC (SABS) Institutional Ownership Changes & 13F Activity
SAB BIOTHERAPEUTICS INC (SABS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Caligan Partners Lp, Perceptive Advisors Llc, Adage Capital Partners Gp, L.L.C., Balyasny Asset Management L.P., and Millennium Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Ensign Peak Advisors, Inc | Buy | +1,375,610 | — | 1,375,610 | $5.27M | Q1 2026 | Aug 18, 2026 |
| Bank Of America Corp | Buy | +45,084 | +424.8% | 55,697 | $213.32K | Q1 2026 | May 18, 2026 |
| Caligan Partners Lp | Buy | +7,967,207 | — | 7,967,207 | $30.51M | Q1 2026 | May 15, 2026 |
| Perceptive Advisors Llc | Buy | +5,628,533 | +700.8% | 6,431,743 | $24.63M | Q1 2026 | May 15, 2026 |
| Adage Capital Partners Gp, L.L.C. | Buy | +3,405,553 | — | 3,405,553 | $13.04M | Q1 2026 | May 15, 2026 |
| Balyasny Asset Management L.P. | Buy | +3,285,000 | +690.9% | 3,760,439 | $14.40M | Q1 2026 | May 15, 2026 |
| Millennium Management Llc | Buy | +2,708,607 | +835.8% | 3,032,697 | $11.62M | Q1 2026 | May 15, 2026 |
| Boothbay Fund Management, Llc | Buy | +1,481,660 | — | 1,481,660 | $5.67M | Q1 2026 | May 15, 2026 |
| Dv Trading Llc | Buy | +400,000 | — | 400,000 | $1.53M | Q1 2026 | May 15, 2026 |
| Stempoint Capital Lp | Buy | +228,442 | +155.9% | 375,000 | $1.44M | Q1 2026 | May 15, 2026 |
| Marshall Wace, Llp | Buy | +227,465 | +96.2% | 463,925 | $1.78M | Q1 2026 | May 15, 2026 |
| Awm Investment Company, Inc. | Buy | +200,000 | +100.0% | 400,000 | $1.53M | Q1 2026 | May 15, 2026 |
| Geode Capital Management, Llc | Buy | +182,519 | +152.7% | 302,036 | $1.16M | Q1 2026 | May 15, 2026 |
| Two Sigma Investments, Lp | Buy | +181,185 | — | 181,185 | $693.94K | Q1 2026 | May 15, 2026 |
| Seven Fleet Capital Management Lp | Buy | +100,000 | — | 100,000 | $383.00K | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Buy | +62,592 | +121.9% | 113,940 | $436.39K | Q1 2026 | May 15, 2026 |
| State Street Corp | Buy | +61,109 | +465.7% | 74,231 | $284.31K | Q1 2026 | May 15, 2026 |
| Brevan Howard Capital Management Lp | Buy | +59,161 | — | 59,161 | $226.59K | Q1 2026 | May 15, 2026 |
| American Century Companies Inc | Buy | +37,455 | — | 37,455 | $143.45K | Q1 2026 | May 15, 2026 |
| Quadrature Capital Ltd | Buy | +35,264 | — | 35,264 | $135.06K | Q1 2026 | May 15, 2026 |
| Prelude Capital Management, Llc | Buy | +34,124 | — | 34,124 | $130.69K | Q1 2026 | May 15, 2026 |
| Fifth Lane Capital, Lp | Buy | +31,500 | +210.0% | 46,500 | $178.09K | Q1 2026 | May 15, 2026 |
| Diametric Capital, Lp | Buy | +16,292 | — | 16,292 | $62.40K | Q1 2026 | May 15, 2026 |
| Omers Administration Corp | Sell | -12,300 | -29.3% | 29,700 | $113.75K | Q1 2026 | May 15, 2026 |
| Scientech Research Llc | Buy | +10,816 | — | 10,816 | $41.42K | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Buy | +7,649 | +179.5% | 11,911 | $45.62K | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | Sell | -7,049 | -22.6% | 24,098 | $92.30K | Q1 2026 | May 15, 2026 |
| Focus Partners Wealth | Sell | -5,165 | -26.9% | 14,036 | $53.76K | Q1 2026 | May 15, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +3,269 | — | 3,269 | $12.52K | Q1 2026 | May 15, 2026 |
| Osaic Holdings, Inc. | Buy | +2,751 | +54.8% | 7,775 | $29.78K | Q1 2026 | May 15, 2026 |
Frequently asked questions about SABS activity
Which institutional owners are buying SABS?
Institutional owners buying SABS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SABS activity?
"Buy" means an investor increased their reported position in SABS compared to the prior reporting period. This reflects growing exposure to SAB BIOTHERAPEUTICS INC (SABS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SABS increasing?
Institutional interest in SABS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related SABS Institutional Insights
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