NAMSW NewAmsterdam Pharma Co N.V.: institutional ownership and insider trading
11 funds reported holding $29.7M of NewAmsterdam Pharma Co N.V. in their latest 13F filings; in Q2 2026 funds net bought $274K, with 0 new positions and 0 funds selling out; over the last 12 months insiders bought $227K and sold $63.3M on the open market; over its last four quarters it reported revenue of $7.12M and net income of −$259M.
NAMSW revenue and earnings
- Quarter ended Jun 30, 2026: revenue $3.70M, net income −$64.1M, EPS -0.52
- Quarter ended Mar 31, 2026: revenue $3.04M, net income −$48.4M, EPS -0.40
- Quarter ended Dec 31, 2025: revenue $32.0K, net income −$74.1M, EPS -0.62
- Quarter ended Sep 30, 2025: revenue $348K, net income −$72.0M, EPS -0.61
Famous investors holding NAMSW
- Izzy Englander (Millennium Management): $1.60M, 0.0% of the portfolio
Largest institutional holders of NAMSW
- Frazier Life Sciences Management, L.P. — $10.7M
- RA CAPITAL MANAGEMENT, L.P. — $7.12M
- Affinity Asset Advisors, LLC — $5.34M
- Bain Capital Life Sciences Investors, LLC — $2.14M
- DEERFIELD MANAGEMENT COMPANY, L.P. — $1.98M
- MILLENNIUM MANAGEMENT LLC — $1.60M
- ARISTEIA CAPITAL, L.L.C. — $343K
- WOLVERINE ASSET MANAGEMENT LLC — $319K
- Vestcor Inc — $143K
- CIBC Private Wealth Group LLC — $25.3K
Recent NAMSW insider trades
- Sep 30, 2026: Kastelein Johannes Jacob Pieter sold 50,246 shares ($1.26M)
- Sep 14, 2026: Davidson Michael H. bought 10,000 shares ($227K)
- Sep 4, 2026: Smither John W sold 1,600 shares ($40.5K)
- Aug 24, 2026: Kastelein Johannes Jacob Pieter sold 125,000 shares ($3.36M)
5%+ owners
- Capital World Investors: 10.4% (Schedule 13G/A, filed Jun 4, 2026)
- RA Capital Management, L.P.: 9.9% (Schedule 13G/A, filed May 15, 2025)
- FMR LLC: 8.8% (Schedule 13G/A, filed Aug 6, 2026)
- Frazier Life Sciences Public Fund, L.P.: 8.7% (Schedule 13D/A, filed Sep 22, 2026)
- ForGrowth NAP B.V.: 8.3% (Schedule 13D/A, filed Sep 30, 2025)
- Frazier Life Sciences X, L.P.: 6.5% (Schedule 13D/A, filed Aug 20, 2025)
Who owns the most NAMSW stock?
The largest institutional holders of NewAmsterdam Pharma Co N.V. in the latest 13F filings are Frazier Life Sciences Management, L.P. ($10.7M), RA CAPITAL MANAGEMENT, L.P. ($7.12M), Affinity Asset Advisors, LLC ($5.34M).
Are insiders buying or selling NAMSW?
Over the last 12 months insiders bought $227K and sold $63.3M of NewAmsterdam Pharma Co N.V. stock on the open market (SEC Form 4).
Which famous investors own NAMSW?
Izzy Englander.
What was NAMSW's revenue last quarter?
NewAmsterdam Pharma Co N.V. reported revenue of $3.70M for the quarter ended June 30, 2026, with net income of −$64.1M.