Matisse Capital

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1668256 PORTLAND, OR

Position in RYTM

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$444,120

+$240,521 QoQ

Shares Held

4,000

-56.2% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

#194

of 299 holders

Holding Since

Jun 2020

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Matisse Capital holds $8,732,734 across 4 Biotechnology names. RYTM ranks #3 (5.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASND	Ascendis Pharma A/S	28,107	$7,496,699
2	SPRY	ARS Pharmaceuticals, Inc.	65,701	$526,265
3	RYTM	Rhythm Pharmaceuticals, Inc. This page	4,000	$444,120
4	WVE	Wave Life Sciences, Inc.	45,723	$265,650

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$444,120	4,000	-56.2%	Shares	Sole	2026-08-12
2020-06-30	$203,599	9,130	—	Shares	Sole	2020-07-28
No filing history on record for this holder in this stock.