AgomAb Therapeutics NV (AGMB) Ownership

NASDAQ: AGMBTop holders, insider trades and short interest.

AGMB ownership summary

as of October 18, 2026
Institutions
53.7%
of shares outstanding
Insiders
5.97%
of shares outstanding
Shares outstanding
49.2M
Float
11.4M
shares available to trade
Short interest
2.46%
1.0M shares short
Days to cover
6.13
short interest up 15.4% vs prior month
  • Institutions 53.72%
  • Insiders 5.97%
  • Other investors 40.32%

AGMB top institutional holders

20 largest
AgomAb Therapeutics NV American Depositary Shares top institutional holders
#Holder% of sharesSharesValueChangeReported
1EQT Fund Management S.à r.l.10.44%5.1M$42.6M—June 30, 2026
2Nantahala Capital Management, LLC6.37%3.1M$26.0M+1.9M (+161.4%)June 30, 2026
3Sanofi5.65%2.8M$23.0M—June 30, 2026
4Redmile Group, LLC5.55%2.7M$22.6M+2.6M (+1,649.7%)June 30, 2026
5Cormorant Asset Management, LLC5.01%2.5M$20.4M—June 30, 2026
6TCG Crossover Management, LLC4.17%2.1M$17.0M—June 30, 2026
7Federated Hermes Inc3.29%1.6M$13.4M—June 30, 2026
8Casdin Capital, LLC3.15%1.6M$12.8M—June 30, 2026
9Andera Partners3.12%1.5M$12.7M—June 30, 2026
10FMR Inc2.96%1.5M$12.1M—June 30, 2026
11Aberdeen Group PLC1.72%847K$7.0M+139,039 (+19.6%)June 30, 2026
12Perceptive Advisors LLC1.22%600K$5.0M—June 30, 2026
13Samsara BioCapital, LLC1.22%600K$5.0M—June 30, 2026
14Siren, L.L.C.0.84%411K$3.4M—June 30, 2026
15Orbimed Advisors LLC0.39%193K$1.6M+192,740 (0.0%)June 30, 2026
16Pfizer Inc0.15%75K$621,000—June 30, 2026
17ALPS Advisors Inc0.10%50K$413,868+49,984 (0.0%)June 30, 2026
18Bellevue Group AG0.10%49K$407,773−752 (−1.5%)June 30, 2026
19SEVEN GRAND MANAGERS, LLC0.10%48K$394,128−152,400 (−76.2%)June 30, 2026
20Sectoral Asset Management Inc0.09%44K$360,180—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 5 holders added 4.9M shares and 2 cut 153K.

AGMB top mutual fund and ETF holders

17 largest
AgomAb Therapeutics NV American Depositary Shares top fund holders
#Holder% of sharesSharesValueChangeReported
1Federated Hermes Kaufmann R1.99%981K$8.1M—June 30, 2026
2Federated Hermes Kaufmann Small Cap A1.25%616K$5.1M—June 30, 2026
3Fidelity Growth Company Fund1.03%507K$4.2M—August 31, 2026
4abrdn Healthcare Investors0.94%463K$3.8M+99,775 (+27.4%)August 31, 2026
5abrdn World Healthcare0.84%414K$3.4M+101,727 (+32.5%)August 31, 2026
6abrdn Life Sciences Investors0.67%330K$2.7M+75,913 (+29.9%)August 31, 2026
7Fidelity Growth Company K60.29%142K$1.2M—August 31, 2026
8Fidelity Series Growth Company0.26%129K$1.1M—August 31, 2026
9Biotech Growth Ord0.23%112K$923,551+14,434 (+14.9%)June 30, 2026
10ALPS Medical Breakthroughs ETF0.13%65K$536,362—September 30, 2026
11Protea Sectoral Hlthcare Opps P USD Acc0.05%27K$223,022—June 30, 2026
12Steward Values Enhanced International I0.05%23K$191,235+18,987 (+462.1%)August 31, 2026
13Federated Hermes Kaufmann II P0.04%21K$174,774—June 30, 2026
14Protea Sectoral Biotech Opps IF USD Acc0.03%17K$137,158—June 30, 2026
15Fidelity Nasdaq Composite Index0.02%9,531$78,917—August 31, 2026
16Fidelity Select Pharmaceuticals Port0.02%9,100$75,348—August 31, 2026
17Bellevue Diversified Healthcare U2 CHF<0.01%1,881$15,575—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

Who owns AGMB

Institutional investors own 53.7% of AgomAb Therapeutics NV's shares and insiders 5.97%. The largest holder is EQT Fund Management S.à r.l. with 10.44% of the shares (5.1M), as of June 30, 2026. Among the top 20 institutions, 5 added shares and 2 reduced their stake in the latest filings. Short interest is 2.46% of the float, or 6.13 days of average trading volume. The share count rose 34.5% since 2024.

Related: AGMB analyst forecast, AGMB key metrics. See the AGMB stock overview for the latest quote and news.

AGMB ownership FAQ

Who owns the most AgomAb Therapeutics NV stock?

The largest shareholders of AgomAb Therapeutics NV are EQT Fund Management S.à r.l. (10.44%), Nantahala Capital Management, LLC (6.37%), Sanofi (5.65%), Redmile Group, LLC (5.55%), Cormorant Asset Management, LLC (5.01%).

What percentage of AgomAb Therapeutics NV is owned by institutions?

Institutions hold 53.7% of AgomAb Therapeutics NV's shares outstanding; insiders hold 5.97%.

Which funds own AgomAb Therapeutics NV?

The largest fund holders of AgomAb Therapeutics NV are Federated Hermes Kaufmann R (1.99%), Federated Hermes Kaufmann Small Cap A (1.25%), Fidelity Growth Company Fund (1.03%), abrdn Healthcare Investors (0.94%), abrdn World Healthcare (0.84%).

What is AgomAb Therapeutics NV's short interest?

1.0M shares of AgomAb Therapeutics NV were sold short, 2.46% of the float; at the average daily volume it would take 6.13 days to cover.

How many shares of AgomAb Therapeutics NV are outstanding?

AgomAb Therapeutics NV has 49.2M shares outstanding, of which 11.4M are in the public float.

Biotechnology: ownership