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NASDAQ: NAMS
Newamsterdam Pharma Co Nv Stock Ownership - Who owns Newamsterdam Pharma Co Nv?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Newamsterdam Pharma Co Nv insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
James N. TopperDirector2025-06-251,260$18.26
$23.01kBuy
James N. TopperDirector2025-06-242,520$18.43
$46.45kBuy
Douglas F. KlingChief Operating Officer2025-06-1681,891$19.19
$1.57MSell
James N. TopperDirector2025-06-168,584$19.50
$167.38kBuy
Douglas F. KlingChief Operating Officer2025-06-1618,109$19.75
$357.65kSell
Douglas F. KlingChief Operating Officer2025-06-1621,899$10.90
$238.70kBuy
Douglas F. KlingChief Operating Officer2025-06-1678,101$10.00
$781.01kBuy
Douglas F. KlingChief Operating Officer2025-05-15100,000$10.00
$1.00MBuy
Douglas F. KlingChief Operating Officer2025-04-15100,000$10.00
$1.00MBuy
James N. TopperDirector2025-03-261,135$22.49
$25.52kBuy

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Net Insider Buy/Sell (L12M) Ownership

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NAMS Shareholders

What type of owners hold Newamsterdam Pharma Co Nv stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Frazier Life Sciences Management LP14.35%16,116,418$348.76MInstitution
James N. Topper13.03%14,628,133$316.55MInsider
Fcpm III Services Bv9.74%10,935,310$236.64MInstitution
Bain Capital Life Sciences Investors LLC9.55%10,719,110$231.96MInstitution
Nap Bv Forgrowth9.49%10,656,172$230.60MInsider
Bain Capital Life Sciences Investors LLC9.33%10,473,913$226.66MInsider
Ra Capital Management LP9.03%10,138,938$219.41MInstitution
Viking Global Investors LP6.22%6,978,534$151.02MInstitution
Capital World Investors6.06%6,798,598$147.12MInstitution
Deerfield Management Company LP Series C3.66%4,103,957$88.81MInstitution

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NAMS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
NAMS73.20%26.80%Net SellingNet Buying
APLS76.70%23.30%Net SellingNet Buying
XENE96.86%3.14%Net BuyingNet Buying
LGND16.92%83.08%Net SellingNet Buying
IBRX9.01%8.66%Net Buying
View Top Biotech Stocks

Newamsterdam Pharma Co Nv Stock Ownership FAQ

Who owns Newamsterdam Pharma Co Nv?

Newamsterdam Pharma Co Nv (NASDAQ: NAMS) is owned by 99.03% institutional shareholders, 36.26% Newamsterdam Pharma Co Nv insiders, and 0.00% retail investors. James N. Topper is the largest individual Newamsterdam Pharma Co Nv shareholder, owning 14.63M shares representing 13.03% of the company. James N. Topper's Newamsterdam Pharma Co Nv shares are currently valued at $322.11M.

If you're new to stock investing, here's how to buy Newamsterdam Pharma Co Nv stock.
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