AGMB · Insider trading · 13F holders · Congress trades
AgomAb Therapeutics NV (AGMB)
Who is buying and selling AGMB: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 10
- Insider buys, 90 days
- $400K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
AGMB at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 AGMB insiders filed 5 open-market purchases worth $400K on SEC Form 4.
- 10 13F filers hold AGMB among their 50 largest positions, worth $263.4M combined. The biggest bets by portfolio weight are Sanofi (6.8%), Redmile Group, LLC (2.4%) and Cormorant Asset Management, LP (1.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in AGMB.
- AGMB last closed at $7.95 on Oct 29, 2026.
AGMB insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 AGMB insiders filed 5 open-market purchases worth $400K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 22, 2026 | Epstein David R | Director | Buy | 10,000 | $8.88 | $89K | SEC |
| Oct 9, 2026 | Epstein David R | Director | Buy | 5,000 | $8.90 | $45K | SEC |
| Oct 7, 2026 | Knotnerus Tim Jasper | Chief Executive Officer, Director | Buy | 11,000 | $8.58 | $94K | SEC |
| Oct 7, 2026 | Epstein David R | Director | Buy | 10,000 | $8.64 | $86K | SEC |
| Oct 7, 2026 | Kemula Pierre Thadee Victor | Chief Financial Officer | Buy | 10,000 | $8.59 | $86K | SEC |
Who owns AGMB? Hedge funds and superinvestors
10 13F filers hold AGMB among their 50 largest positions, worth $263.4M combined. The biggest bets by portfolio weight are Sanofi (6.8%), Redmile Group, LLC (2.4%) and Cormorant Asset Management, LP (1.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| EQT Fund Management S.a r.l.Hedge fund | 7.7% | $66.7M | 5,141,992 | +0.0% shares | Q2 2026 |
| SanofiCorporation | 6.8% | $36.1M | 2,783,096 | +0.0% shares | Q2 2026 |
| Redmile Group, LLCHedge fund | 2.4% | $35.5M | 2,733,926 | +1649.7% shares | Q2 2026 |
| Cormorant Asset Management, LPHedge fund | 1.6% | $32.0M | 2,465,348 | +0.0% shares | Q2 2026 |
| TCG Crossover Management, LLCHedge fund | 0.6% | $26.7M | 2,053,233 | +0.0% shares | Q2 2026 |
| Nantahala Capital Management, LLCHedge fund | 1.2% | $20.4M | 1,568,188 | +30.7% shares | Q2 2026 |
| Casdin Capital, LLCHedge fund | 1.0% | $20.1M | 1,550,000 | +0.0% shares | Q2 2026 |
| Andera PartnersHedge fund | 9.7% | $17.1M | 1,538,702 | +0.0% shares | Q3 2026 |
| Samsara Biocapital, LLCHedge fund | 0.6% | $7.8M | 600,000 | +0.0% shares | Q2 2026 |
| Pfizer IncCorporation | 0.6% | $1.0M | 75,000 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 9). Screen AGMB in the grand portfolio →
AGMB stock trades by members of Congress
No member of Congress has disclosed a trade in AGMB.
Analysis mentioning AGMB
Posts from the blog that cover AgomAb Therapeutics NV, newest first.
- Insider buying · Oct 22, 2026Insider Buying on October 22, 2026: DOLE, CRBG and RAPP Lead $27.6M of Purchases
- Insider buying · Oct 9, 2026Insider Buying on October 9, 2026: GGR, CRBG and BPRE Lead $70.3M of Purchases
- Insider buying · Oct 7, 2026Insider Buying on October 7, 2026: BORR, CRBG and IRIX Lead $11.3M of Purchases
AGMB questions and answers
Are insiders buying AGMB stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 AGMB insiders filed 5 open-market purchases worth $400K on SEC Form 4.
Which hedge funds own AGMB?
10 13F filers hold AGMB among their 50 largest positions, worth $263.4M combined. The biggest bets by portfolio weight are Sanofi (6.8%), Redmile Group, LLC (2.4%) and Cormorant Asset Management, LP (1.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
Has Congress traded AGMB?
No member of Congress has disclosed a trade in AGMB.
Who is the largest holder of AGMB?
Among 13F filers, EQT Fund Management S.a r.l. reports the largest AGMB position, $66.7M (5,141,992 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Sanofi's: 6.8% of its portfolio.
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