Company · Ownership research

SAB Biotherapeutics, Inc. SABS

CIK 0001833214 · CUSIP 78397T202

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 78397T202 (SABS), not CUSIP 78397T902 (SABS), CUSIP 78397T103 (SABS), and does not merge CUSIPs.

This page lists the top 20 of 76 rows by value; the complete set is available through the API.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	Vivo Capital, LLC CIK 1674712 · Amended · View history	$43.74M 11,420,000 shares	3.64%	0(0.00%)Unchanged	SEC filing ↗ May 20, 2026	▾
02	Caligan Partners LP CIK 1727492 · View history	$30.51M 7,967,207 shares	2.16%	+7.97MNew	SEC filing ↗ May 15, 2026	▾
03	PERCEPTIVE ADVISORS LLC CIK 1224962 · Amended · View history	$24.63M 6,431,743 shares	0.49%	+5.63M(+700.80%)Added	SEC filing ↗ May 29, 2026	▾
04	COMMODORE CAPITAL LP CIK 1831942 · View history	$16.86M 4,401,500 shares	0.98%	0(0.00%)Unchanged	SEC filing ↗ May 15, 2026	▾
05	RA CAPITAL MANAGEMENT, L.P. CIK 1346824 · View history	$16.86M 4,401,500 shares	0.18%	0(0.00%)Unchanged	SEC filing ↗ May 15, 2026	▾
06	Balyasny Asset Management L.P. CIK 1218710 · View history	$14.40M 3,760,439 shares	0.03%	+3.29M(+690.90%)Added	SEC filing ↗ May 15, 2026	▾
07	ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 1165408 · View history	$13.04M 3,405,553 shares	0.02%	+3.41MNew	SEC filing ↗ May 15, 2026	▾
08	MILLENNIUM MANAGEMENT LLC CIK 1273087 · View history	$11.62M 3,032,697 shares	0.01%	+2.71M(+835.80%)Added	SEC filing ↗ May 15, 2026	▾
09	Woodline Partners LP CIK 1784547 · Amended · View history	$10.92M 2,851,791 shares	0.04%	+910(0.00%)Added	SEC filing ↗ May 15, 2026	▾
10	VANGUARD CAPITAL MANAGEMENT LLC CIK 2100119 · Amended · View history	$9.55M 2,493,737 shares	0.00%	—	SEC filing ↗ May 15, 2026	▾
11	Spruce Street Capital LP CIK 2050194 · View history	$8.42M 2,198,502 shares	2.02%	0(0.00%)Unchanged	SEC filing ↗ May 14, 2026	▾
12	Sessa Capital IM, L.P. CIK 1595849 · View history	$8.42M 2,198,457 shares	0.16%	0(0.00%)Unchanged	SEC filing ↗ May 15, 2026	▾
13	BOOTHBAY FUND MANAGEMENT, LLC CIK 1549230 · View history	$5.67M 1,481,660 shares	0.13%	+1.48MNew	SEC filing ↗ May 15, 2026	▾
14	AMERIPRISE FINANCIAL INC CIK 820027 · Amended · View history	$5.65M 1,476,106 shares	0.00%	+1.19M(+420.40%)Added	SEC filing ↗ Jul 17, 2026	▾
15	Ensign Peak Advisors, Inc CIK 1454984 · Amended · View history	$5.27M 1,375,610 shares	0.01%	+1.38MNew	SEC filing ↗ May 13, 2026	▾
16	Soleus Capital Management, L.P. CIK 1802630 · View history	$4.02M 1,050,000 shares	0.16%	+1.05MNew	SEC filing ↗ May 14, 2026	▾
17	Propel Bio Management, LLC CIK 1969764 · View history	$3.89M 1,012,790 shares	2.45%	+359.91K(+55.10%)Added	SEC filing ↗ May 14, 2026	▾
18	Jefferies Financial Group Inc. CIK 96223 · View history	$3.46M 903,094 shares	0.04%	+322.77K(+55.60%)Added	SEC filing ↗ May 8, 2026	▾
19	Blackstone Inc. CIK 1393818 · Amended · View history	$3.29M 860,170 shares	0.01%	-1.28M(-59.90%)Reduced	SEC filing ↗ May 15, 2026	▾
20	ExodusPoint Capital Management, LP CIK 1736225 · Amended · View history	$2.94M 768,627 shares	0.03%	+682.51K(+792.60%)Added	SEC filing ↗ May 14, 2026	▾

Showing 20 / 76 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

Cancelled or null records excluded

Disclosed shares

69,191,894

Not deduplicated across managers

Disclosed value

$265.01M

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

SAB Biotherapeutics, Inc. · Q1 2026

Explore all 76 reporting institutions.

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.