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NewAmsterdam Pharma Co N.V.

NAMS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001936258

In the last 90 days, NewAmsterdam Pharma Co N.V. insiders filed 1 open-market purchase and 4 sales; 194 institutions reported holding it in 13F filings for Q2 2026, worth $4.13B in total; 3 superinvestors hold it, including Viking Global Investors and Maverick Capital.

Other share classesNAMSW

Q3 2024 vs. Q2 2024

How the institutions holding NewAmsterdam Pharma Co N.V. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of NAMS: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders902100+12
Shares72.0M42.4K77.1M+5.12M (+7.1%)
Value$1.38B$814.0K$1.28B−$102.8M (−7.4%)

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held NewAmsterdam Pharma Co N.V. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to NAMS in Q3 2024
InstitutionSharesValue% of portfolio
Siren, L.L.C.920,564$15.3M0.76%
Rock Springs Capital Management LP353,319$5.87M0.19%
Duquesne Family Office LLCSuperinvestorDuquesne Family Office287,535$4.77M0.17%
Readystate Asset Management LP121,000$2.01M0.10%
Two Sigma Advisers, LP97,500$1.62M0.00%
CenterBook Partners LP85,695$1.42M0.09%
Alps Advisors Inc69,660$1.16M0.01%
BlackRock, Inc.66,673$1.11M0.00%
Walleye Capital LLC46,947$779.3K0.01%
Lisanti Capital Growth, LLC42,165$699.9K0.18%
HRT Financial LP37,601$624.0K0.00%
DCF Advisers, LLC34,000$564.4K0.29%
Balyasny Asset Management LLC21,283$353.3K0.00%
D. E. Shaw & Co., Inc.18,345$304.5K0.00%
Squarepoint Ops LLC17,133$284.4K0.00%
AQR Capital Management LLC15,936$264.5K0.00%
XTX Topco Ltd11,265$187.0K0.01%
Tower Research Capital LLC (TRC)7,782$129.2K0.00%
Bellevue Group AG7,700$127.8K0.00%
Deutsche Bank AG2,449$40.7K0.00%
Simplex Trading, LLC62$1.00K0.00%
CWM, LLC38$1.00K0.00%

Sold out (10)

Institutions that held NewAmsterdam Pharma Co N.V. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of NAMS in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Artal Group S.A.800,000$15.4M
Superstring Capital Management LP64,213$1.23M
Schonfeld Strategic Advisors LLC49,433$949.6K
J. Goldman & Co LP36,776$706.5K
Vestal Point Capital, LP25,000$480.3K
Acuta Capital Partners, LLC22,500$432.2K
Y-Intercept (Hong Kong) Ltd14,607$280.6K
Parkwood LLC13,782$265.0K
State of Wisconsin Investment Board12,171$233.8K
Banque Cantonale Vaudoise2,000$38.0K

Not filed for Q3 2024 yet (2)

Institutions that held NewAmsterdam Pharma Co N.V. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NAMS in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.41,645$800.0K
Bradley & Co. Private Wealth Management, LLC729$14.0K