Security Snapshot

SAB Biotherapeutics, Inc. - Common Stock, $0.0001 par value per share (SABS) Institutional Ownership

CUSIP: 78397T202

13F Institutional Holders and Ownership History from Q4 2023 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

75

Shares (Excl. Options)

69,191,893

Price

$3.83

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+31,992,821
Value change
+$122,542,646
Number of holders
75
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
76,568,369
SEC-reported price per share
$3.40
Insider filing price
$3.40
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • SABS - SAB Biotherapeutics, Inc. - Common Stock, $0.0001 par value per share is tracked under CUSIP 78397T202.
  • 75 institutions reported positions in Q1 2026.
  • 10 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 48 to 75 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $135,919,535 to $265,013,025.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 75 institutions filings for Q1 2026.

Open SEC evidence

Security key

78397T202

Latest holder period

Q1 2026

13F holders

75

13D/G owners

10

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
10
Security
SABS
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

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
86%
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

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
10
Latest
Q1 2026
Rows shown
1-10 of 10
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
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .