MORGAN STANLEY

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 895421 NEW YORK, NY

Back to RYTM Full portfolio

Position in RYTM

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$61,224,962

-$8,501,105 QoQ

Shares Held

703,978

+8.1% QoQ

Ownership

1.03%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 87.46722198705073.ToString("F0")% Shared 0.ToString("F0")% None 12.532778012949269.ToString("F0")%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

MORGAN STANLEY holds $15,423,671,747 across 511 Biotechnology names. RYTM ranks #47 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RPRX	Royalty Pharma plc	43,571,633	$2,090,131,227
2	ROIV	Roivant Sciences Ltd.	51,828,325	$1,435,644,595
3	VRTX	Vertex Pharmaceuticals Inc / Ma	3,188,881	$1,423,962,911
4	REGN	Regeneron Pharmaceuticals, Inc.	1,319,329	$1,019,366,352
5	TECH	BIO-TECHNE Corp	8,532,873	$445,927,935
6	MRNA	Moderna, Inc.	8,471,263	$430,340,154
7	ARGX	Argenx SE	560,711	$409,459,203
8	APLS	Apellis Pharmaceuticals, Inc.	10,042,399	$404,005,708

All Filings in RYTM

Export CSV

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$61,224,962	703,978	+8.1%	Shares	Defined	2026-05-15
2025-12-31	$69,726,067	651,402	+40.0%	Shares	Defined	2026-05-27
2025-09-30	$46,979,533	465,190	-11.3%	Shares	Defined	2026-05-27
2025-06-30	$33,141,888	524,480	+4.1%	Shares	Defined	2025-08-15
2025-03-31	$26,699,473	504,049	-10.0%	Shares	Defined	2025-05-15
2024-12-31	$31,353,666	560,087	+20.6%	Shares	Defined	2025-05-15
2024-09-30	$24,340,601	464,604	-2.3%	Shares	Defined	2025-05-14
2024-06-30	$19,530,226	475,651	+160.1%	Shares	Defined	2025-05-14
2024-03-31	$7,923,753	182,870	-21.1%	Shares	Defined	2024-10-17
2023-12-31	$10,649,224	231,656	-46.9%	Shares	Defined	2024-08-16
2023-09-30	$10,004,650	436,408	+323.0%	Shares	Defined	2023-11-15
2023-06-30	$1,701,449	103,181	-52.4%	Shares	Defined	2023-08-14
2023-03-31	$3,864,516	216,621	-11.1%	Shares	Defined	2023-05-15
2022-12-31	$7,096,102	243,685	+5.9%	Shares	Defined	2023-02-14
2022-09-30	$5,639,826	230,197	-46.6%	Shares	Defined	2022-11-14
2022-06-30	$1,787,597	430,747	+68.6%	Shares	Defined	2022-10-27
2022-03-31	$2,943,264	255,492	-4.8%	Shares	Defined	2022-10-27
2021-12-31	$2,678,258	268,363	+30.6%	Shares	Defined	2022-02-14
2021-09-30	$2,683,383	205,466	-54.0%	Shares	Defined	2021-11-15
2021-06-30	$8,744,543	446,606	+342.8%	Shares	Defined	2021-08-23
2021-03-31	$2,145,057	100,849	+100.9%	Shares	Defined	2021-05-17
2020-12-31	$1,492,622	50,206	+220.2%	Shares	Defined	2021-02-16
2020-09-30	$339,762	15,679	-36.1%	Shares	Defined	2020-11-13
2020-06-30	$547,486	24,551	+121.2%	Shares	Defined	2020-08-14
2020-03-31	$168,941	11,100	—	Shares	Defined	2020-05-26
No filing history on record for this holder in this stock.