Latest Period
Q1 2026
CUSIP: 78397T202
Latest Period
Q1 2026
Institutions Reporting
75
Shares (Excl. Options)
69,191,893
Price
$3.83
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Latest holder context comes from 75 institutions filings for Q1 2026.
Security key
78397T202
Latest holder period
Q1 2026
13F holders
75
13D/G owners
10
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 78397T202:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Vivo Opportunity Fund Holdings, L.P. | 10% | $54,973,720 | 25,931,000 | Vivo Opportunity Fund Holdings, L.P. | 29 Sep 2025 | |||
| Caligan Partners LP | 10% | $31,072,107 | 7,967,207 | JOHNSON DAVID EDWARD | 31 Mar 2026 | |||
| RA CAPITAL MANAGEMENT, L.P. | 9.9% | 0% | $30,195,359 | +$8,858,028 | 7,311,225 | +42% | RA Capital Management, L.P. | 19 Mar 2026 |
| Woodline Partners LP | 9.9% | $14,323,021 | 7,125,881 | Woodline Partners LP | 30 Sep 2025 | |||
| PERCEPTIVE ADVISORS LLC | 8.4% | +16% | $25,083,798 | +$11,543,540 | 6,431,743 | +85% | Perceptive Advisors LLC | 31 Mar 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | 10% | $19,850,762 | 5,089,939 | Balyasny Asset Management L.P. | 31 Mar 2026 | |||
| BIOTECHNOLOGY VALUE FUND L P | 9.1% | -8.9% | $18,761,910 | -$1,598,505 | 4,761,906 | -7.9% | BVF PARTNERS L P/IL | 31 Dec 2025 |
| Commodore Capital LP | 9.9% | $9,588,711 | 4,522,977 | Commodore Capital LP | 26 Sep 2025 | |||
| MILLENNIUM MANAGEMENT LLC | 5.1% | $13,385,397 | 3,432,153 | Millennium Management LLC | 24 Apr 2026 | |||
| RTW INVESTMENTS, LP | 3.2% | -68% | $6,253,970 | +$2,218,090 | 1,587,302 | +55% | RTW Investments, LP | 31 Dec 2025 |
As of 31 Mar 2026, 75 institutional investors reported holding 69,191,893 shares of SAB Biotherapeutics, Inc. - Common Stock, $0.0001 par value per share (SABS). This represents 90% of the company’s total 76,568,369 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Vivo Capital, LLC | 15% | 11,420,000 | 0% | 3.6% | $43,738,600 |
| Caligan Partners LP | 10% | 7,967,207 | 2.2% | $30,514,403 | |
| PERCEPTIVE ADVISORS LLC | 8.4% | 6,431,743 | +701% | 0.49% | $24,633,576 |
| Commodore Capital LP | 5.7% | 4,401,500 | 0% | 0.98% | $16,857,745 |
| RA CAPITAL MANAGEMENT, L.P. | 5.7% | 4,401,500 | 0% | 0.18% | $16,857,745 |
| Balyasny Asset Management L.P. | 4.9% | 3,760,439 | +691% | 0.03% | $14,402,481 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.4% | 3,405,553 | 0.02% | $13,043,268 | |
| MILLENNIUM MANAGEMENT LLC | 4% | 3,032,697 | +836% | 0.01% | $11,615,230 |
| Woodline Partners LP | 3.7% | 2,851,791 | +0.03% | 0.04% | $10,922,359 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.3% | 2,493,737 | 0% | 0% | $9,551,013 |
| Spruce Street Capital LP | 2.9% | 2,198,502 | 0% | 2% | $8,420,263 |
| Sessa Capital IM, L.P. | 2.9% | 2,198,457 | 0% | 0.16% | $8,420,090 |
| BOOTHBAY FUND MANAGEMENT, LLC | 1.9% | 1,481,660 | 0.13% | $5,674,758 | |
| AMERIPRISE FINANCIAL INC | 1.9% | 1,476,106 | +420% | 0% | $5,653,486 |
| Ensign Peak Advisors, Inc | 1.8% | 1,375,610 | 0.01% | $5,268,586 | |
| Soleus Capital Management, L.P. | 1.4% | 1,050,000 | 0.16% | $4,021,500 | |
| Propel Bio Management, LLC | 1.3% | 1,012,790 | +55% | 2.4% | $3,886,475 |
| Jefferies Financial Group Inc. | 1.2% | 903,094 | +56% | 0.04% | $3,458,850 |
| Blackstone Inc. | 1.1% | 860,170 | -60% | 0.01% | $3,294,451 |
| ExodusPoint Capital Management, LP | 1% | 768,627 | +793% | 0.03% | $2,943,841 |
| Affinity Asset Advisors, LLC | 0.75% | 575,000 | 0.13% | $2,202,250 | |
| Monashee Investment Management LLC | 0.65% | 500,000 | 1% | $1,915,000 | |
| MARSHALL WACE, LLP | 0.61% | 463,925 | +96% | 0% | $1,776,832 |
| DV Trading LLC | 0.52% | 400,000 | 0.14% | $1,532,000 | |
| AWM Investment Company, Inc. | 0.52% | 400,000 | +100% | 0.17% | $1,532,000 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 69,191,893 | $265,013,025 | +$122,542,646 | $3.83 | 75 |
| 2025 Q4 | 36,342,111 | $135,919,535 | +$25,718,819 | $3.74 | 48 |
| 2025 Q3 | 28,023,938 | $56,328,113 | +$52,469,483 | $2.01 | 34 |
| 2025 Q2 | 1,923,874 | $3,369,565 | -$378,633 | $1.76 | 25 |
| 2025 Q1 | 2,209,552 | $2,994,479 | -$1,776,863 | $1.36 | 26 |
| 2024 Q4 | 2,652,300 | $10,189,778 | -$1,266,185 | $3.79 | 26 |
| 2024 Q3 | 3,141,736 | $8,482,377 | +$68,507 | $2.70 | 24 |
| 2024 Q2 | 3,127,151 | $9,694,108 | -$923,501 | $3.10 | 21 |
| 2024 Q1 | 3,339,666 | $15,162,138 | -$15,603,353 | $4.54 | 23 |
| 2023 Q4 | 8,791,109 | $6,055,351 | +$6,055,351 | $0.69 | 3 |