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AgomAb Therapeutics NV

AGMB
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0002020932

No open-market purchases or sales by AgomAb Therapeutics NV insiders were filed in the last 90 days; 34 institutions reported holding it in 13F filings for Q2 2026, worth $357.3M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in AgomAb Therapeutics NV as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
34
+2 vs. Q1 2026
Shares held
27.5M
+4.17M (+17.9%) vs. Q1 2026
Total value
$357.3M
+$112.0M (+45.7%) vs. Q1 2026
New holders
9
4 more added
Sold out
7
6 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AGMB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 34 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 32 institutionsQ2 2026: 34 institutions
Value heldQ2 2026: $357.3M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $245.3MQ2 2026: $357.3M
Institutions holding AGMB and their total value by quarter
QuarterHoldersValue
Q2 202634$357.3M
Q1 202632$245.3M
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding AgomAb Therapeutics NV; share changes are against Q1 2026.

Institutions holding AGMB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
EQT Fund Management S.a r.l.5,141,992$66.7M7.74%00.0%Unchanged
Nantahala Capital Management, LLC3,136,376$40.7M1.23%+1,936,376+161.4%Added
Sanofi2,783,096$36.1M6.76%00.0%Unchanged
Redmile Group, LLC2,733,926$35.5M2.38%+2,577,676+1,649.7%Added
Cormorant Asset Management, LP2,465,348$32.0M1.64%00.0%Unchanged
TCG Crossover Management, LLC2,053,233$26.7M0.64%00.0%Unchanged
Federated Hermes, Inc.1,618,000$21.0M0.03%00.0%Unchanged
Casdin Capital, LLC1,550,000$20.1M1.01%00.0%Unchanged
Andera Partners1,538,702$20.0M9.67%00.0%Unchanged
FMR LLC1,458,677$18.9M0.00%00.0%Unchanged
Standard Life Aberdeen plc846,695$11.0M0.02%+139,039+19.6%Added
Perceptive Advisors LLC600,000$7.79M0.12%00.0%Unchanged
Samsara BioCapital, LLC600,000$7.79M0.64%00.0%Unchanged
Siren, L.L.C.411,250$5.34M0.11%00.0%Unchanged
OrbiMed Advisors LLC192,740$2.50M0.05%+192,740New
Pfizer Inc75,000$1.04M0.61%00.0%Unchanged
Alps Advisors Inc49,984$648.8K0.00%+49,984New
Bellevue Group AG49,248$639.2K0.01%−752−1.5%Reduced
Seven Grand Managers, LLC47,600$617.8K0.02%−152,400−76.2%Reduced
Sectoral Asset Management Inc43,500$564.6K0.39%00.0%Unchanged
Burkehill Global Management, LP35,000$454.3K0.02%00.0%Unchanged
Quadrature Capital Ltd20,461$265.6K0.00%+20,461New
Two Sigma Investments, LP18,072$234.6K0.00%+3,831+26.9%Added
HRT Financial LP17,075$221.0K0.00%−6,651−28.0%Reduced
Goldman Sachs Group Inc11,800$153.2K0.00%−23,939−67.0%Reduced
XTX Topco Ltd10,271$133.3K0.00%+10,271New
Citigroup Inc9,496$123.3K0.00%+9,496New
UBS Group AG2,128$27.6K0.00%−4,309−66.9%Reduced
GAMMA Investing LLC1,344$17.4K0.00%+1,344New
Morgan Stanley1,200$15.6K0.00%−1,825−60.3%Reduced
BNP Paribas Arbitrage, SA754$9.79K0.00%+754New
Larson Financial Group LLC698$9.06K0.00%+698New
SBI Securities Co., Ltd.2$260.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd2$260.00%+2New
LMR Partners LLP0$00.00%−300,000−100.0%Sold out
Millennium Management LLC0$00.00%−95,233−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−75,000−100.0%Sold out
Laurion Capital Management LP0$00.00%−50,000−100.0%Sold out
Citadel Advisors LLC0$00.00%−35,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−15,326−100.0%Sold out
Jane Street Group, LLC0$00.00%−12,794−100.0%Sold out