HighVista Strategies LLC

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1335325 BOSTON, MA

Position in RYTM

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

Position Value

$1,516,336

+$55,588 QoQ

Shares Held

13,657

-18.7% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.35%

of 13F equity value

Holder Rank

#144

of 299 holders

Holding Since

Jun 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

HighVista Strategies LLC holds $278,365,756 across 70 Biotechnology names. RYTM ranks #51 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ABVX	Abivax S.A.	113,031	$15,062,511
2	RVMD	Revolution Medicines, Inc.	66,983	$12,544,576
3	DFTX	Definium Therapeutics, Inc.	242,884	$11,425,263
4	IMVT	Immunovant, Inc.	277,873	$10,706,446
5	PRAX	Praxis Precision Medicines, Inc.	30,210	$10,114,005
6	RLAY	Relay Therapeutics, Inc.	506,235	$9,471,656
7	PCVX	Vaxcyte, Inc.	149,739	$8,704,328
8	TNGX	Tango Therapeutics, Inc.	260,070	$8,129,788

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,516,336	13,657	-18.7%	Shares	Sole	2026-08-14
2026-03-31	$1,460,748	16,796	-60.8%	Shares	Sole	2026-05-15
2025-12-31	$4,588,483	42,867	+14.4%	Shares	Sole	2026-02-17
2025-09-30	$3,785,307	37,482	+33.5%	Shares	Sole	2025-11-14
2025-06-30	$1,773,616	28,068	-19.9%	Shares	Sole	2025-08-14
2025-03-31	$1,856,015	35,039	-6.4%	Shares	Sole	2025-05-15
2024-12-31	$2,095,107	37,426	0.0%	Shares	Sole	2025-02-14
2024-09-30	$1,960,748	37,426	+160.6%	Shares	Sole	2024-11-14
2024-06-30	$589,703	14,362	0.0%	Shares	Sole	2024-08-14
2024-03-31	$622,305	14,362	0.0%	Shares	Sole	2024-05-15
2023-12-31	$660,221	14,362	-59.5%	Shares	Sole	2024-02-14
2023-03-31	$632,927	35,478	0.0%	Shares	Sole	2023-05-15
2022-12-31	$1,033,119	35,478	+43.0%	Shares	Sole	2023-02-14
2021-03-31	$527,687	24,809	+33.3%	Shares	Sole	2021-05-17
2020-06-30	$414,980	18,609	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.