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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
Louise Frederika KooijChief Accounting Officer2026-01-2832,612$10.90
$355.47kBuy
Louise Frederika KooijChief Accounting Officer2026-01-2832,612$31.80
$1.04MSell
Louise Frederika KooijChief Accounting Officer2026-01-2739,816$10.90
$433.99kBuy
Louise Frederika KooijChief Accounting Officer2026-01-2739,816$32.62
$1.30MSell
Louise Frederika KooijChief Accounting Officer2026-01-26309$33.45
$10.34kSell
Louise Frederika KooijChief Accounting Officer2026-01-2634,400$10.90
$374.96kBuy
Louise Frederika KooijChief Accounting Officer2026-01-2634,091$32.77
$1.12MSell
Louise Frederika KooijChief Accounting Officer2026-01-2338,172$10.90
$416.07kBuy
Louise Frederika KooijChief Accounting Officer2026-01-2312,767$34.37
$438.80kSell
Louise Frederika KooijChief Accounting Officer2026-01-2325,405$33.44
$849.54kSell

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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 LP14.73%16,701,956$572.88MInstitution
James N. Topper12.90%14,630,524$501.83MInsider
Bain Capital Life Sciences Investors LLC9.45%10,719,110$367.67MInstitution
Nap Bv Forgrowth9.40%10,656,172$365.51MInsider
Bain Capital Life Sciences Investors LLC9.24%10,473,913$359.26MInsider
Ra Capital Management LP8.94%10,138,938$347.77MInstitution
Capital World Investors8.66%9,822,711$336.92MInstitution
Fcpm III Services Bv8.12%9,212,384$315.98MInstitution
Viking Global Investors LP5.71%6,475,534$222.11MInstitution
Fmr LLC4.88%5,535,293$189.86MInstitution

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NAMS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
NAMS74.74%25.26%Net SellingNet Selling
ADMA79.67%20.33%Net SellingNet Selling
ACLX51.32%48.68%Net SellingNet Selling
ACAD72.19%27.81%Net SellingNet Selling
LGND18.29%81.71%Net SellingNet Selling
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 106.34% institutional shareholders, 35.93% 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 12.90% of the company. James N. Topper's Newamsterdam Pharma Co Nv shares are currently valued at $501.83M.

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