JANUS HENDERSON GROUP PLC

Position in NAMS — NewAmsterdam Pharma Co N.V.

CIK 1274173 LONDON, X0

Position in NAMS

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$72,310,077

-$9,837,565 QoQ

Shares Held

2,258,984

-3.5% QoQ

Ownership

1.89%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2022

11 quarters on record

Voting authority Sole 0% Shared 99% None 1%

Healthcare · as of Mar 31, 2026

JANUS HENDERSON GROUP PLC holds $15,213,180,190 across 182 Biotechnology names. NAMS ranks #36 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARGX	Argenx SE	2,541,732	$1,856,099,791
2	PRAX	Praxis Precision Medicines, Inc.	3,458,863	$1,114,411,067
3	MDGL	Madrigal Pharmaceuticals, Inc.	2,018,647	$1,056,701,142
4	BBIO	BridgeBio Pharma, Inc.	13,179,013	$978,673,503
5	PCVX	Vaxcyte, Inc.	16,575,875	$963,224,094
6	VRTX	Vertex Pharmaceuticals Inc / Ma	2,131,527	$951,812,064
7	RVMD	Revolution Medicines, Inc.	9,766,496	$949,791,733
8	MIRM	Mirum Pharmaceuticals, Inc.	6,945,813	$641,654,204

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$72,310,077	2,258,984	-3.5%	Shares	Defined	2026-05-18
2025-12-31	$82,147,642	2,341,723	+10.6%	Shares	Defined	2026-02-17
2025-09-30	$60,209,612	2,117,075	+7.9%	Shares	Defined	2025-11-14
2025-06-30	$35,532,906	1,962,060	-10.8%	Shares	Defined	2025-08-14
2025-03-31	$45,026,487	2,199,633	+26.7%	Shares	Defined	2025-05-15
2024-12-31	$44,635,168	1,736,777	+12.7%	Shares	Defined	2025-02-14
2024-09-30	$25,576,101	1,540,729	+51.1%	Shares	Defined	2024-11-14
2024-06-30	$19,593,373	1,019,957	+60.3%	Shares	Defined	2024-08-14
2024-03-31	$15,046,863	636,231	+46.3%	Shares	Defined	2024-05-15
2023-09-30	$4,022,936	434,912	-22.8%	Shares	Defined	2023-11-14
2022-12-31	$6,137,997	563,119	—	Shares	Defined	2023-02-14
No filing history on record for this holder in this stock.