NewAmsterdam Pharma Co N.V.

NAMSWNASDAQ

$12.650.00 (0.00%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

NewAmsterdam Pharma Co N.V. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-33.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Frazier Life Sciences Management, L.P.	Not reported	$10.7M	0.23%	Not reported
Ra Capital Management, L.P.	Not reported	$7.12M	0.06%	Not reported
Affinity Asset Advisors, LLC	Not reported	$5.34M	0.24%	Not reported
Bain Capital Life Sciences Investors, LLC	Not reported	$2.14M	0.13%	Not reported
Deerfield Management Company, L.P.	Not reported	$1.98M	0.02%	Not reported
Aristeia Capital, L.L.C.	Not reported	$343K	0.00%	Not reported
Wolverine Asset Management LLC	Not reported	$319K	0.00%	Not reported
Vestcor Inc	Not reported	$143K	0.00%	Not reported
UBS Group AG	Not reported	$8.52K	0.00%	Not reported

End of history · 9 holders

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