Atom Investors LP

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1738902 AUSTIN, TX

Position in RYTM

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$8,156,818

+$3,199,528 QoQ

Shares Held

73,465

+28.9% QoQ

Ownership

0.107%

of shares outstanding

% of Portfolio

0.77%

of 13F equity value

Holder Rank

#85

of 299 holders

Holding Since

Sep 2023

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Atom Investors LP holds $106,011,536 across 52 Biotechnology names. RYTM ranks #1 (7.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RYTM	Rhythm Pharmaceuticals, Inc. This page	73,465	$8,156,818
2	IMNM	Immunome Inc.	297,489	$6,303,791
3	RARE	Ultragenyx Pharmaceutical Inc.	171,771	$5,735,433
4	DNTH	Dianthus Therapeutics, Inc. /DE/	37,228	$3,628,985
5	CELC	Celcuity Inc.	34,488	$3,608,134
6	SNDX	Syndax Pharmaceuticals Inc	162,524	$3,552,774
7	AXSM	Axsome Therapeutics, Inc.	14,179	$3,470,593
8	JAZZ	Jazz Pharmaceuticals plc	13,474	$3,246,829

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,156,818	73,465	+28.9%	Shares	Sole	2026-08-14
2026-03-31	$4,957,290	57,000	+148.6%	Shares	Sole	2026-05-15
2025-12-31	$2,454,320	22,929	+54.2%	Shares	Sole	2026-02-17
2025-06-30	$939,382	14,866	-0.6%	Shares	Sole	2025-08-14
2025-03-31	$792,537	14,962	+28.9%	Shares	Sole	2025-05-15
2024-12-31	$649,647	11,605	-56.4%	Shares	Sole	2025-02-14
2024-06-30	$1,093,386	26,629	-35.5%	Shares	Sole	2024-08-14
2024-03-31	$1,788,489	41,276	+65.6%	Shares	Sole	2024-05-15
2023-12-31	$1,146,078	24,931	+28.6%	Shares	Sole	2024-02-14
2023-09-30	$444,424	19,386	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.