Security key
78397T202
SAB Biotherapeutics, Inc. - Common Stock, $0.0001 par value per share (SABS)
CUSIP: 78397T202
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 36,342,111
- Total 13F value
- $135,919,535
- Share change
- +6,119,671
- SEC-reported price per share
- $3.74
- Number of holders
- 48
- Value change
- +$25,718,819
- Number of buys
- 31
- Number of sells
- 11
- Shares outstanding
- 76,568,369
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
48
Top holders
10
SABS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
SAB Biotherapeutics, Inc. SEC filings
SAB Biotherapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 78397T202
Recent filing periods:
Ownership snapshot
Top reported holders of SABS - SAB Biotherapeutics, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Vivo Opportunity Fund Hol...
Disclosed value leader
Vivo Opportunity Fund Hol...
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
Lead comparable stake: 10%
13D/G row: Vivo Opportunity Fund Holdings, L.P.
Showing 1-6 of 15 holder rows.
Quick read
Vivo Opportunity Fund Holdings, L.P. leads the comparable SEC ownership view at 10%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Vivo Opportunity Fund Holdings, L.P.'s linked filing trail.
Comparable ownership
Top 5
Vivo Opportunity Fund Holdings, L.P.
10%
Woodline Partners LP
9.9%
Commodore Capital LP
9.9%
BIOTECHNOLOGY VALUE FUND L P
9.1%
RTW INVESTMENTS, LP
3.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Vivo Opportunity Fund Holdings, L.P. |
13D/G
|
10%
|
$54,973,720
25,931,000 shares
|
$0 | 29 Sep 2025 |
| Woodline Partners LP |
13D/G
13F
Company
|
9.9%
|
$14,323,021
7,125,881 shares
|
$0 | 30 Sep 2025 |
| Commodore Capital LP |
13D/G
13F
Company
|
9.9%
|
$9,588,711
4,522,977 shares
|
$0 | 26 Sep 2025 |
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
BVF PARTNERS L P/IL
|
9.1%
|
$18,761,910
4,761,906 shares
|
-$1,598,505 | 31 Dec 2025 |
| RTW INVESTMENTS, LP |
13D/G
|
3.2%
|
$6,253,970
1,587,302 shares
|
+$2,218,090 | 31 Dec 2025 |
| Vivo Capital, LLC |
13F
Company
|
15%
|
$22,954,200
11,420,000 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
48
Shares
36,342,111
Rows available
48
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
34
Q4 2025 holders
48
Holder diff
14
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend