NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS)

Historical Holders from Q4 2022 to Q3 2025

Symbol: NAMS on Nasdaq
Type / Class: Equity / Ordinary Shares, nominal value Euro 0.12 per share
Shares outstanding: 114,390,553
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 120,390,578
Holdings value: $3,423,901,851
% of all portfolios: 0.011%
Number of holders: 134
Number of buys: 67
Number of sells: -54
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
RA CAPITAL MANAGEMENT, L.P.	9.9%	0%	$205,220,969	+$3,481,297	11,063,125	+1.7%	RA Capital Management, L.P.	31 Mar 2025
Capital World Investors	8.7%	+15%	$279,357,901	+$40,811,002	9,822,711	+17.1%	Capital World Investors	30 Sep 2025
Forbion Capital Fund IV Cooperatief U.A.	8.3%	-12.2%	$223,140,090	-$30,222,313	9,316,914	-11.9%	ForGrowth NAP B.V.	26 Sep 2025
Frazier Life Sciences X, L.P.	7.7%	+17.1%	$245,264,825	+$36,858,297	8,623,939	+17.7%	Frazier Life Sciences Public Fund, L.P.	01 Nov 2025
VIKING GLOBAL INVESTORS LP	6.5%		$129,451,806		6,978,534		VIKING GLOBAL INVESTORS LP	31 Dec 2024
BCLS II Investco, LP	4.7%	-52.9%	$214,462,841	-$241,180,844	5,376,356	-52.9%	BCLS Fund III Investments, LP	02 Dec 2025

Institutional Holders of NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	120,390,578	$3,423,901,851	+$122,883,155	$68,657,004	$2,477,124	$28.44	134
2025 Q2	116,368,291	$2,107,516,504	+$92,203,105	$3,850,186	$992,428	$18.11	130
2025 Q1	111,177,846	$2,278,669,708	+$247,823,372	$6,018,180	$9,344,555	$20.47	126
2024 Q4	98,611,632	$2,534,320,573	+$569,548,998	$11,636,960	$7,260,250	$25.7	130
2024 Q3	77,090,356	$1,279,730,929	+$65,939,934	$59,760	$1,090,620	$16.6	100
2024 Q2	72,010,250	$1,383,367,935	-$7,907,090	$61,472	$17,289	$19.21	90
2024 Q1	72,152,341	$1,706,357,479	+$242,490,357		$0	$23.65	76
2023 Q4	61,897,680	$691,396,295	-$81,202		$13,392,908	$11.17	32
2023 Q3	50,178,896	$464,099,871	+$5,440,463		$2,675,701	$9.25	35
2023 Q2	48,833,993	$580,635,231	+$184,129,037		$3,439,361	$11.89	29
2023 Q1	33,346,896	$444,858,187	+$689,119		$3,835,654	$13.26	19
2022 Q4	33,516,836	$362,234,361	+$362,234,361			$10.9	14