NORTHERN TRUST CORP

Bank

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 73124 CHICAGO, IL

Position in RYTM

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$43,355,759

-$8,902,879 QoQ

Shares Held

498,514

+2.1% QoQ

Ownership

0.727%

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 98.434547475096.ToString("F0")% Shared 1.5654525249040148.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

NORTHERN TRUST CORP holds $6,611,306,665 across 416 Biotechnology names. RYTM ranks #30 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	2,564,264	$1,145,046,441
2	REGN	Regeneron Pharmaceuticals, Inc.	941,941	$727,781,290
3	ALNY	Alnylam Pharmaceuticals, Inc.	858,120	$283,926,160
4	INSM	INSMED Inc	1,294,000	$211,594,876
5	RPRX	Royalty Pharma plc	3,808,735	$182,705,014
6	INCY	Incyte Corp	1,849,726	$174,096,208
7	MRNA	Moderna, Inc.	2,952,041	$149,963,680
8	BBIO	BridgeBio Pharma, Inc.	1,403,642	$104,234,453

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$43,355,759	498,514	+2.1%	Shares	Defined	2026-05-14
2025-12-31	$52,258,638	488,216	-4.4%	Shares	Other	2026-02-17
2025-09-30	$51,596,393	510,906	+0.1%	Shares	Other	2025-11-14
2025-06-30	$32,242,442	510,246	-4.8%	Shares	Other	2025-08-13
2025-03-31	$28,402,827	536,206	-1.7%	Shares	Defined	2025-05-13
2024-12-31	$30,526,674	545,314	+9.4%	Shares	Other	2025-02-14
2024-09-30	$26,114,631	498,466	-0.2%	Shares	Other	2024-11-13
2024-06-30	$20,507,332	499,448	-0.7%	Shares	Other	2024-08-14
2024-03-31	$21,788,705	502,855	+0.4%	Shares	Defined	2024-05-14
2023-12-31	$23,035,290	501,094	-0.6%	Shares	Defined	2024-02-13
2023-09-30	$11,554,702	504,022	+2.0%	Shares	Defined	2023-11-13
2023-06-30	$8,149,389	494,202	+247.7%	Shares	Defined	2023-08-11
2023-03-31	$2,535,722	142,137	+2.9%	Shares	Defined	2023-05-15
2022-12-31	$4,021,500	138,101	+21.0%	Shares	Defined	2023-02-13
2022-09-30	$2,795,670	114,109	+2.6%	Shares	Defined	2022-11-14
2022-06-30	$461,682	111,249	-73.3%	Shares	Defined	2022-08-12
2022-03-31	$4,802,536	416,887	-2.8%	Shares	Defined	2022-05-13
2021-12-31	$4,282,127	429,071	+2.1%	Shares	Defined	2022-02-08
2021-09-30	$5,490,867	420,434	-4.6%	Shares	Defined	2021-11-15
2021-06-30	$8,628,629	440,686	+1.3%	Shares	Defined	2021-08-13
2021-03-31	$9,251,597	434,960	+3.8%	Shares	Other	2021-05-12
2020-12-31	$12,454,549	418,922	-3.2%	Shares	Defined	2021-02-11
2020-09-30	$9,379,207	432,820	-5.9%	Shares	Defined	2020-11-16
2020-06-30	$10,251,821	459,723	+19.0%	Shares	Other	2020-08-14
2020-03-31	$5,880,215	386,348	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.