NewAmsterdam Pharma Co N.V.

NAMS

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001936258

SEC filings (opens in a new tab)

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 2025 vs. Q2 2025

How the institutions holding NewAmsterdam Pharma Co N.V. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of NAMS: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Q3 2025	Change
Holders	131	137	+6
Shares	116.4M	120.6M	+4.22M (+3.6%)
Value	$2.11B	$3.43B	+$1.32B (+62.7%)

New holders (21)

Institutions that held NewAmsterdam Pharma Co N.V. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to NAMS in Q3 2025
Institution	Shares	Value	% of portfolio
AXA Investment Managers S.A.	196,782	$5.60M	0.02%
Price T Rowe Associates Inc	138,329	$3.94M	0.00%
Gilder Gagnon Howe & Co LLC	36,384	$1.03M	0.01%
New York State Common Retirement Fund	26,680	$758.8K	0.00%
Voya Investment Management LLC	19,300	$548.9K	0.00%
TD Asset Management Inc	18,000	$511.9K	0.00%
Keybank National Association	16,014	$455.4K	0.00%
Omers Administration Corp	13,900	$395.3K	0.00%
Bank of Montreal	12,388	$352.3K	0.00%
Jefferies Financial Group Inc.	12,000	$341.3K	0.00%
AQR Capital Management LLC	10,196	$290.0K	0.00%
Mesirow Financial Investment Management, Inc.	8,215	$233.6K	0.00%
XTX Topco Ltd	7,579	$215.5K	0.01%
Marshall Financial Group Inc	7,500	$213.3K	0.06%
Wolverine Asset Management LLC	2,429	$69.1K	0.00%
Thurston, Springer, Miller, Herd & Titak, Inc.	1,067	$30.3K	0.06%
Mather Group, LLC.	1,000	$28.4K	0.00%
Strategic Wealth Partners, Ltd.	975	$27.7K	0.00%
SRS Capital Advisors, Inc.	174	$4.95K	0.00%
Farther Finance Advisors, LLC	16	$455	0.00%
Sunbelt Securities, Inc.	8	$228	0.00%

Sold out (15)

Institutions that held NewAmsterdam Pharma Co N.V. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of NAMS in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
UBS Asset Management Americas Inc	320,804	$5.81M
AXA S.A.	242,916	$4.40M
First Trust Advisors LP	131,430	$2.38M
Alps Advisors Inc	60,551	$1.10M
Exome Asset Management LLC	36,574	$662.4K
Two Sigma Investments, LP	28,392	$514.2K
Millennium Management LLC	27,345	$495.2K
HRT Financial LP	26,208	$474.0K
Algert Global LLC	18,140	$328.5K
Prelude Capital Management, LLC	13,420	$243.0K
Hudson Bay Capital Management LP	10,739	$194.5K
Caption Management, LLC	6,000	$108.7K
Kiker Wealth Management, LLC	2,000	$36.2K
Caitong International Asset Management Co., Ltd	595	$10.8K
Raymond James Financial Inc	500	$9.05K