Checkpoint Capital L.P.

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1977548 SAN FRANCISCO, CA

Position in RYTM

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

Position Value

$106,729,584

+$524,496 QoQ

Shares Held

1,227,200

+23.7% QoQ

Ownership

1.79%

of shares outstanding

% of Portfolio

38.30%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

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

Healthcare · as of Mar 31, 2026

Checkpoint Capital L.P. holds $278,650,517 across 8 Biotechnology names. RYTM ranks #2 (38.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARGX	Argenx SE	153,000	$111,728,250
2	RYTM	Rhythm Pharmaceuticals, Inc. This page	1,227,200	$106,729,584
3	RVMD	Revolution Medicines, Inc.	262,539	$25,531,917
4	IRON	Disc Medicine, Inc.	286,661	$18,329,104
5	CYTK	Cytokinetics Inc	180,000	$11,863,800
6	SEPN	Septerna, Inc.	100,300	$2,410,209
7	CRNX	Crinetics Pharmaceuticals, Inc.	40,230	$1,461,153
8	TRVI	Trevi Therapeutics, Inc.	50,000	$596,500

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$106,729,584	1,227,200	+23.7%	Shares	Sole	2026-05-15
2025-12-31	$106,205,088	992,200	+29.9%	Shares	Sole	2026-02-17
2025-09-30	$77,126,769	763,707	-28.0%	Shares	Sole	2025-11-14
2025-06-30	$66,981,400	1,060,000	+16.8%	Shares	Sole	2025-08-14
2025-03-31	$48,056,502	907,240	+24.6%	Shares	Sole	2025-05-15
2024-12-31	$40,752,432	727,982	+9.7%	Shares	Sole	2025-02-14
2024-09-30	$34,754,530	663,381	-28.1%	Shares	Sole	2024-11-14
2024-06-30	$37,861,426	922,100	+11.7%	Shares	Sole	2024-08-14
2024-03-31	$35,768,915	825,500	+13.1%	Shares	Sole	2024-05-15
2023-12-31	$33,558,100	730,000	—	Shares	Sole	2024-02-14
No filing history on record for this holder in this stock.