Russell Investments Group, Ltd.

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1692234 Seattle, WA

Position in RYTM

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$10,063,469

-$4,299,155 QoQ

Shares Held

115,712

-13.8% QoQ

Ownership

0.169%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

11 quarters on record

Voting authority Sole 93.56246543141593.ToString("F0")% Shared 0.ToString("F0")% None 6.437534568584071.ToString("F0")%

Healthcare · as of Mar 31, 2026

Russell Investments Group, Ltd. holds $1,224,022,354 across 265 Biotechnology names. RYTM ranks #28 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	228,086	$176,228,356
2	VRTX	Vertex Pharmaceuticals Inc / Ma	367,691	$164,188,731
3	RPRX	Royalty Pharma plc	1,397,958	$67,060,041
4	INCY	Incyte Corp	638,242	$60,071,331
5	ALNY	Alnylam Pharmaceuticals, Inc.	147,533	$48,814,236
6	MRNA	Moderna, Inc.	710,640	$36,100,509
7	BMRN	Biomarin Pharmaceutical Inc	606,224	$34,245,589
8	INSM	INSMED Inc	169,162	$27,661,365

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,063,469	115,712	-13.8%	Shares	Defined	2026-05-08
2025-12-31	$14,362,624	134,180	-14.9%	Shares	Defined	2026-02-17
2025-09-30	$15,923,898	157,678	+20.4%	Shares	Defined	2025-11-13
2025-06-30	$8,277,761	130,998	+14.1%	Shares	Defined	2025-08-13
2025-03-31	$6,079,788	114,778	+11412.3%	Shares	Defined	2025-05-13
2024-12-31	$55,811	997	+0.3%	Shares	Defined	2025-02-13
2024-09-30	$52,075	994	-50.5%	Shares	Defined	2024-11-13
2024-06-30	$82,530	2,010	+422.1%	Shares	Defined	2024-08-08
2024-03-31	$16,682	385	-65.0%	Shares	Defined	2024-05-08
2023-06-30	$18,139	1,100	-81.3%	Shares	Defined	2023-08-10
2020-09-30	$127,657	5,891	—	Shares	Defined	2020-11-09
No filing history on record for this holder in this stock.