Swiss National Bank

Bank

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1582202 ZURICH, V8

Position in RYTM

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$9,758,034

-$2,155,518 QoQ

Shares Held

112,200

+0.8% QoQ

Ownership

0.164%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

Swiss National Bank holds $1,641,068,486 across 148 Biotechnology names. RYTM ranks #26 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	744,600	$332,493,684
2	REGN	Regeneron Pharmaceuticals, Inc.	303,140	$234,218,089
3	ALNY	Alnylam Pharmaceuticals, Inc.	387,720	$128,284,916
4	INSM	INSMED Inc	625,912	$102,349,130
5	RPRX	Royalty Pharma plc	1,191,100	$57,137,067
6	INCY	Incyte Corp	489,774	$46,097,528
7	RVMD	Revolution Medicines, Inc.	425,431	$41,373,164
8	MRNA	Moderna, Inc.	696,100	$35,361,880

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$9,758,034	112,200	+0.8%	Shares	Sole	2026-05-07
2025-12-31	$11,913,552	111,300	+8.8%	Shares	Sole	2026-02-12
2025-09-30	$10,331,277	102,300	+12.9%	Shares	Sole	2025-11-13
2025-06-30	$5,725,014	90,600	+1.5%	Shares	Sole	2025-08-12
2025-03-31	$4,730,221	89,300	-1.0%	Shares	Sole	2025-05-12
2024-12-31	$5,049,396	90,200	+1.0%	Shares	Sole	2025-02-10
2024-09-30	$4,678,427	89,300	+0.7%	Shares	Sole	2024-11-07
2024-06-30	$3,642,022	88,700	-4.9%	Shares	Sole	2024-08-08
2024-03-31	$4,042,689	93,300	+4.0%	Shares	Sole	2024-05-07
2023-12-31	$4,123,509	89,700	-10.2%	Shares	Sole	2024-02-06
2023-09-30	$2,290,207	99,900	+1.1%	Shares	Sole	2023-11-08
2023-06-30	$1,629,212	98,800	+1.5%	Shares	Sole	2023-08-09
2023-03-31	$1,735,832	97,300	-0.6%	Shares	Sole	2023-05-10
2022-12-31	$2,850,848	97,900	+9.3%	Shares	Sole	2023-02-08
2022-09-30	$2,195,200	89,600	+7.6%	Shares	Sole	2022-11-09
2022-06-30	$345,695	83,300	0.0%	Shares	Sole	2022-08-09
2022-03-31	$959,616	83,300	+7.2%	Shares	Sole	2022-05-09
2021-12-31	$775,446	77,700	0.0%	Shares	Sole	2022-02-08
2021-09-30	$1,014,762	77,700	+2.2%	Shares	Sole	2021-11-08
2021-06-30	$1,488,080	76,000	-3.4%	Shares	Sole	2021-08-06
2021-03-31	$1,673,949	78,700	+43.1%	Shares	Sole	2021-05-07
2020-12-31	$1,635,150	55,000	0.0%	Shares	Sole	2021-02-05
2020-09-30	$1,191,850	55,000	+1.9%	Shares	Sole	2020-11-09
2020-06-30	$1,204,200	54,000	-9.4%	Shares	Sole	2020-08-05
2020-03-31	$907,112	59,600	—	Shares	Sole	2020-05-08
No filing history on record for this holder in this stock.