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Equibles

SABS

SAB Biotherapeutics, Inc.

Company with tickers: SABS, SABSW

CIK
1833214
CUSIP
78397T202
Shares Outstanding
76,464,094
13F Activity (30d)
68 filings 66 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 79
Total Value: $265,762,877
Total Shares: 69,389,794

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 79 13F filers · Δ vs Dec 31, 2025
Top Holder
16.5%
Dec 2023 → Mar 2026 · range 16.5% – 56.9%
−15.0 pts
Top 5
49.9%
Dec 2023 → Mar 2026 · range 49.9% – 100.0%
−19.6 pts
Top 10
72.3%
Dec 2023 → Mar 2026 · range 72.3% – 100.0%
−18.3 pts
HHI
717
Dec 2023 → Mar 2026 · range 717 – 4,091
Broadly held−775

Quarterly Activity

vs Dec 31, 2025
New
36
Increased
25
Decreased
7
Sold Out
5
Unchanged
11
Holder count: +31
Institutional value: +95.5%
Shares held: +90.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid PERCEPTIVE ADVISORS LLC +5,628,533 6,431,743
Large Balyasny Asset Management L.P. +3,285,000 3,760,439
Mega MILLENNIUM MANAGEMENT LLC +2,708,607 3,032,697
Mega AMERIPRISE FINANCIAL INC +1,192,461 1,476,106
Large ExodusPoint Capital Management, LP +682,514 768,627

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Blackstone Inc. −1,283,415 860,170
Small Simplify Asset Management Inc. −20,997 187,230
Large OMERS ADMINISTRATION Corp −12,300 29,700
Large Qube Research & Technologies Ltd −7,049 24,098
Large Focus Partners Wealth −5,165 14,036

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid Caligan Partners LP 7,967,207 $30,514,402
Large ADAGE CAPITAL PARTNERS GP, L.L.C. 3,405,553 $13,043,267
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,493,737 $9,551,012
Mid BOOTHBAY FUND MANAGEMENT, LLC 1,481,660 $5,674,757
Large Ensign Peak Advisors, Inc 1,375,610 $5,268,586

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,847,136 $6,908,287
Large Verition Fund Management LLC 26,867 $100,482
Mid ADAR1 Capital Management, LLC 26,344 $98,526
Micro CAXTON CORP 10,527 $39,370
Mid SBI Securities Co., Ltd. 50 $187
Filter: New 36 Increased 25 Reduced 7 Sold out 5 Unchanged 11
Showing 82 of 82
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid Vivo Capital, LLC $43,738,600 16.46% 11,420,000
Mid Caligan Partners LP $30,514,402 11.48% 7,967,207
Mid PERCEPTIVE ADVISORS LLC $24,633,575 9.27% 6,431,743
Mid Commodore Capital LP $16,857,745 6.34% 4,401,500
Mid RA CAPITAL MANAGEMENT, L.P. $16,857,745 6.34% 4,401,500
Large Balyasny Asset Management L.P. $14,402,481 5.42% 3,760,439
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $13,043,267 4.91% 3,405,553
Mega MILLENNIUM MANAGEMENT LLC $11,615,229 4.37% 3,032,697
Large Woodline Partners LP $10,922,359 4.11% 2,851,791
Mega VANGUARD CAPITAL MANAGEMENT LLC $9,551,012 3.59% 2,493,737
Small Spruce Street Capital LP $8,420,262 3.17% 2,198,502
Mid Sessa Capital IM, L.P. $8,420,090 3.17% 2,198,457
Mid BOOTHBAY FUND MANAGEMENT, LLC $5,674,757 2.14% 1,481,660
Mega AMERIPRISE FINANCIAL INC $5,653,485 2.13% 1,476,106
Large Ensign Peak Advisors, Inc $5,268,586 1.98% 1,375,610
Mid Soleus Capital Management, L.P. $4,021,500 1.51% 1,050,000
Small Propel Bio Management, LLC $3,878,985 1.46% 1,012,790
Large Jefferies Financial Group Inc. $3,458,850 1.30% 903,094
Large Blackstone Inc. $3,294,451 1.24% 860,170
Large ExodusPoint Capital Management, LP $2,943,841 1.11% 768,627
Mid Affinity Asset Advisors, LLC $2,202,250 0.83% 575,000
Small Monashee Investment Management LLC $1,915,000 0.72% 500,000
Large MARSHALL WACE, LLP $1,776,831 0.67% 463,925
Mid DV Trading LLC $1,532,000 0.58% 400,000
Small AWM Investment Company, Inc. $1,532,000 0.58% 400,000
Small STEMPOINT CAPITAL LP $1,436,250 0.54% 375,000
Mid HB Wealth Management, LLC $1,177,725 0.44% 307,500
Mega GEODE CAPITAL MANAGEMENT, LLC $1,156,797 0.44% 302,036
Mega BlackRock, Inc. $1,154,078 0.43% 301,326
Mid SEVEN GRAND MANAGERS, LLC $1,053,250 0.40% 275,000
Mega VANGUARD FIDUCIARY TRUST CO Bank $756,880 0.28% 197,619
Small Simplify Asset Management Inc. $717,090 0.27% 187,230
Mega TWO SIGMA INVESTMENTS, LP $693,938 0.26% 181,185
Mega GOLDMAN SACHS GROUP INC $436,390 0.16% 113,940
Small Seven Fleet Capital Management LP $383,000 0.14% 100,000
Mega STATE STREET CORP $284,304 0.11% 74,231
Mega JANE STREET GROUP, LLC $276,143 0.10% 72,100
Small Persistent Asset Partners Ltd $267,073 0.10% 69,732
Large Kestra Advisory Services, LLC $236,468 0.09% 61,741
Mid Brevan Howard Capital Management LP $226,586 0.09% 59,161
Mega NORTHERN TRUST CORP Bank $219,941 0.08% 57,426
Mega BANK OF AMERICA CORP /DE/ Bank $213,319 0.08% 55,697
Large Pathstone Holdings, LLC $193,989 0.07% 50,650
Small Stonepine Capital Management, LLC $191,500 0.07% 50,000
Mega UBS Group AG $178,564 0.07% 46,623
Micro FIFTH LANE CAPITAL, LP $178,095 0.07% 46,500
Large COMMONWEALTH EQUITY SERVICES, LLC $177,922 0.07% 46,455
Mega CITADEL ADVISORS LLC $164,307 0.06% 42,900
Mid Virtu Financial LLC $145,321 0.05% 37,943
Mega AMERICAN CENTURY COMPANIES INC $143,452 0.05% 37,455
Mega CITIGROUP INC $140,963 0.05% 36,805
Mid Quadrature Capital Ltd $135,061 0.05% 35,264
Mid PRELUDE CAPITAL MANAGEMENT, LLC $130,694 0.05% 34,124
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $127,156 0.05% 33,200
Large OMERS ADMINISTRATION Corp $113,751 0.04% 29,700
Mega CITADEL ADVISORS LLC $102,261 0.04% 26,700
Large Qube Research & Technologies Ltd $92,295 0.03% 24,098
Small First PREMIER Bank Bank $72,716 0.03% 18,986
Small Diametric Capital, LP $62,398 0.02% 16,292
Large Hudson Bay Capital Management LP $61,663 0.02% 16,100
Small Catalyst Funds Management Pty Ltd $57,833 0.02% 15,100
Large Focus Partners Wealth $53,757 0.02% 14,036
Small Miller Capital Partners, Inc. $49,292 0.02% 12,870
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $48,641 0.02% 12,700
Mega MORGAN STANLEY $45,618 0.02% 11,911
Mega Vanguard Global Advisers, LLC $45,393 0.02% 11,852
Small Scientech Research LLC $41,425 0.02% 10,816
Mega JANE STREET GROUP, LLC $39,449 0.01% 10,300
Small State of Wyoming $30,253 0.01% 7,899
Large OSAIC HOLDINGS, INC. $29,777 0.01% 7,775
Mega PNC FINANCIAL SERVICES GROUP, INC. $29,491 0.01% 7,700
Small Plante Moran Financial Advisors, LLC $22,692 0.01% 5,925
Mid SIMPLEX TRADING, LLC $18,050 0.01% 4,713
Mid Tower Research Capital LLC (TRC) $12,520 0.00% 3,269
Mega BNP PARIBAS ARBITRAGE, SA $3,404 0.00% 889
Mega BARCLAYS PLC $1,899 0.00% 496
Mid MAI Capital Management $831 0.00% 217
Small GS Investments, Inc. $766 0.00% 200
Small Caitong International Asset Management Co., Ltd $616 0.00% 161
Mega JPMORGAN CHASE & CO $333 0.00% 87
Mid HARBOUR INVESTMENTS, INC. $191 0.00% 50
Mega ROYAL BANK OF CANADA Bank $3 0.00% 1

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