Artisan Partners Limited Partnership

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1466153 Milwaukee, WI

Position in RYTM

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$39,395,220

+$5,418,738 QoQ

Shares Held

354,816

-9.2% QoQ

Ownership

0.515%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#46

of 299 holders

Holding Since

Dec 2023

8 quarters on record

Voting authority Sole 68% Shared 0% None 32%

Healthcare · as of Jun 30, 2026

Artisan Partners Limited Partnership holds $3,449,495,070 across 23 Biotechnology names. RYTM ranks #8 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARGX	Argenx SE	1,508,778	$1,399,798,965
2	ASND	Ascendis Pharma A/S	2,634,024	$702,546,881
3	INSM	INSMED Inc	5,441,718	$580,195,973
4	IONS	Ionis Pharmaceuticals Inc	2,640,024	$209,327,502
5	MDGL	Madrigal Pharmaceuticals, Inc.	210,205	$112,869,574
6	CELC	Celcuity Inc.	461,591	$48,291,650
7	LEGN	Legend Biotech Corp	1,559,441	$45,036,656
8	RYTM	Rhythm Pharmaceuticals, Inc. This page	354,816	$39,395,220

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$39,395,220	354,816	-9.2%	Shares	Sole	2026-08-13
2026-03-31	$33,976,482	390,669	+48.2%	Shares	Sole	2026-05-13
2025-12-31	$28,214,780	263,591	+11.3%	Shares	Sole	2026-02-17
2025-09-30	$23,918,572	236,841	+35.7%	Shares	Sole	2025-11-12
2025-06-30	$11,025,328	174,479	-35.7%	Shares	Sole	2025-08-12
2024-06-30	$11,138,223	271,267	-0.1%	Shares	Sole	2024-08-12
2024-03-31	$11,760,671	271,421	0.0%	Shares	Sole	2024-05-13
2023-12-31	$12,477,223	271,421	—	Shares	Sole	2024-02-12
No filing history on record for this holder in this stock.