RA CAPITAL MANAGEMENT, L.P.

Holdings History for NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value EUR0.12 per share (NAMS)

Symbol: NAMS on Nasdaq
Investment type: Equity / Ordinary Shares, nominal value EUR0.12 per share
Latest Disclosed Shares Owned: 11,063,125 shares
Security Ownership %: 9.9%

Shares, Excluding Options vs Price

Value, Excluding Options

RA Capital Management, L.P. ownership in NewAmsterdam Pharma Co N.V. Ordinary Shares, nominal value EUR0.12 per share (NAMS)

15 May 2025 - RA Capital Management, L.P. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 11,063,125 shares of NewAmsterdam Pharma Co N.V. Ordinary Shares, nominal value EUR0.12 per share (NAMS). This represents 9.9% ownership of the company. In their previous filing dated 14 Feb 2025, RA CAPITAL MANAGEMENT, L.P. had reported owning 10,875,454 shares, indicating an increase of +1.7%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
RA Capital Management, L.P.	9.9%	0%	$205,220,969	11,063,125	+187,671	+1.7%	$18.55	13G/A	31 Mar 2025	15 May 2025, 16:58
RA Capital Management, L.P.	9.9%		$201,739,672	10,875,454			$18.55	13G/A	31 Dec 2024	14 Feb 2025, 18:42

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	3.4%	-0.21%	$335,020,700	9,550,191	-588,747	-5.8%	$35.08	Q4 2025
30 Sep 2025	3.6%	0%	$288,351,397	10,138,938	0		$28.44	Q3 2025
30 Jun 2025	3.1%	0%	$183,616,167	10,138,938	0		$18.11	Q2 2025
31 Mar 2025	3.5%	+0.44%	$207,544,061	10,138,938	+1,293,938		$20.47	Q1 2025
31 Dec 2024	3%	+0.27%	$227,316,500	8,845,000	+781,000	+9.7%	$25.70	Q4 2024
30 Sep 2024	1.5%	0%	$133,862,400	8,064,000	0		$16.60	Q3 2024
30 Jun 2024	2%	+0.05%	$154,909,440	8,064,000	+200,000	+2.5%	$19.21	Q2 2024
31 Mar 2024	2.4%	0%	$185,983,600	7,864,000	0		$23.65	Q1 2024
31 Dec 2023	1.4%	-0.2%	$87,840,880	7,864,000	-1,136,000	-13%	$11.17	Q4 2023
30 Sep 2023	1.6%	0%	$83,250,000	9,000,000	0		$9.25	Q3 2023
30 Jun 2023	2%	+1.1%	$107,010,000	9,000,000	+5,000,000	+125%	$11.89	Q2 2023
31 Mar 2023	1.2%	0%	$53,040,000	4,000,000	0		$13.26	Q1 2023
31 Dec 2022	0.88%	+0.88%	$43,600,000	4,000,000	+4,000,000	NEW	$10.90	Q4 2022

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.