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

Insider buying vs selling

Have Newamsterdam Pharma Co Nv insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Douglas F. KlingChief Operating Officer2025-04-15100,000$10.00
$1.00MBuy
James N. TopperDirector2025-03-261,135$22.49
$25.52kBuy
Douglas F. KlingChief Operating Officer2025-03-1711,888$10.00
$118.88kBuy
James N. TopperDirector2025-03-044,005$21.02
$84.20kBuy
Louise Frederika KooijChief Accounting Officer2025-03-04150,000$20.37
$3.06MSell
Mayur Ian SomaiyaChief Financial Officer2025-01-2814,900$9.26
$137.97kBuy
Mayur Ian SomaiyaChief Financial Officer2025-01-2746,983$9.26
$435.06kBuy
Nap Bv Forgrowth10% Owner2024-12-3029,846$25.54
$762.18kSell
Nap Bv Forgrowth10% Owner2024-12-2741,472$25.95
$1.08MSell
Nap Bv Forgrowth10% Owner2024-12-2633,438$26.01
$869.62kSell

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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 LP14.49%15,916,418$295.25MInstitution
James N. Topper13.31%14,615,569$271.12MInsider
Bain Capital Life Sciences Investors LLC9.76%10,719,110$198.84MInstitution
Nap Bv Forgrowth9.70%10,656,172$197.67MInsider
Fcpm III Services Bv9.65%10,597,181$196.58MInstitution
Bain Capital Life Sciences Investors LLC9.54%10,473,913$194.29MInsider
Ra Capital Management LP8.05%8,845,000$164.07MInstitution
Viking Global Investors LP6.35%6,978,534$129.45MInstitution
Deerfield Management Company LP Series C3.93%4,314,340$80.03MInstitution
Jennison Associates LLC3.64%3,998,541$74.17MInstitution

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NAMS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
NAMS70.81%29.19%Net SellingNet Selling
LGND16.60%83.40%Net SellingNet Selling
AAPG0.00%0.00%
MIRM50.40%49.60%Net SellingNet Selling
IBRX9.68%8.96%Net BuyingNet Selling

Newamsterdam Pharma Co Nv Stock Ownership FAQ

Who owns Newamsterdam Pharma Co Nv?

Newamsterdam Pharma Co Nv (NASDAQ: NAMS) is owned by 89.80% institutional shareholders, 37.01% Newamsterdam Pharma Co Nv insiders, and 0.00% retail investors. James N. Topper is the largest individual Newamsterdam Pharma Co Nv shareholder, owning 14.62M shares representing 13.31% of the company. James N. Topper's Newamsterdam Pharma Co Nv shares are currently valued at $279.60M.

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