Company Analysis

SAB Biotherapeutics, Inc. (SABS)

Nasdaq: SABS · Biological Products, (No Diagnostic Substances) · Miami Beach, FL · filing with the SEC since 2020
Grade3.9
◀ Past 2.1● Present 4.6▶ Future 4.5
4 est.

Who owns SAB Biotherapeutics, Inc.

As filed with the SEC
Holders of 5% or more
10
Vivo Opportunity Fund Holdings, L.P. holds 9.99% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13G/A filed Aug 14, 2026 says.
Directors and officers
19
report now, of 38 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 10 named at left.
Holders of 5% or moreshare of the class, as filed
Vivo Opportunity Fund Holdings, L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $0.0001 per share · 9.99% in Oct 3, 2025
9.99%
Commodore Capital LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common stock, $0.0001 par value per share · 9.9% in Oct 3, 2025
9.9%
RA Capital Management, L.P.
SCHEDULE 13D/A · filed Aug 10, 2026 · Common Stock, $0.0001 par value per share · 9.9% in Mar 23, 2026
9.9%
Balyasny Asset Management L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · 9.99% in May 15, 2026
9.45%
Bvf Partners L P/il
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, $0.0001 par value per share · 9.99% in Nov 14, 2025
9.1%
Caligan Partners LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · 10.4% in May 15, 2026
8.8%
Adage Capital Management, L.P.
SCHEDULE 13G · filed Aug 12, 2026 · Common Stock, par value $0.0001 per share
8.38%
Perceptive Advisors LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · 8.4% in May 15, 2026
7.3%
Woodline Partners LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $0.0001 per share · 9.9% in Nov 14, 2025
6.8%
Millennium Management LLC
SCHEDULE 13G · filed May 1, 2026 · Common Stock, par value $0.0001 per share
5.1%
RTW Investments, LP
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, $0.0001 par value · reported falling below 5%, from 9.99% in Feb 14, 2025
under 5%
What SABS reports owning in othersstakes of 5% or more, and other ties

5 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 9, 2026.

Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
212223
2023 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.
SI Assistanton SABS · research, not advice