HARBOR CAPITAL ADVISORS, INC.

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1039128 CHICAGO, IL

Position in RYTM

as of Mar 31, 2026 · filed Apr 28, 2026 Compact

Position Value

$2,639,800

-$1,737,707 QoQ

Shares Held

30,353

-25.8% QoQ

Ownership

0.044%

of shares outstanding

% of Portfolio

0.24%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2024

9 quarters on record

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

Healthcare · as of Mar 31, 2026

HARBOR CAPITAL ADVISORS, INC. holds $23,126,231 across 27 Biotechnology names. RYTM ranks #2 (11.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KYMR	Kymera Therapeutics, Inc.	33,948	$2,827,528
2	RYTM	Rhythm Pharmaceuticals, Inc. This page	30,353	$2,639,800
3	TARS	Tarsus Pharmaceuticals, Inc.	29,283	$2,054,202
4	VCEL	Vericel Corp	63,718	$2,049,808
5	HALO	Halozyme Therapeutics, Inc.	31,355	$2,026,473
6	RARE	Ultragenyx Pharmaceutical Inc.	83,196	$1,742,956
7	SRPT	Sarepta Therapeutics, Inc.	80,085	$1,742,649
8	AGIO	Agios Pharmaceuticals, Inc.	43,005	$1,454,859

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,639,800	30,353	-25.8%	Shares	Sole	2026-04-28
2025-12-31	$4,377,507	40,896	+9.9%	Shares	Sole	2026-01-20
2025-09-30	$3,757,332	37,205	-57.0%	Shares	Sole	2025-10-15
2025-06-30	$5,468,841	86,546	+12.0%	Shares	Sole	2025-07-09
2025-03-31	$4,094,422	77,297	+155.5%	Shares	Sole	2025-04-14
2024-12-31	$1,693,506	30,252	-26.9%	Shares	Sole	2025-01-10
2024-09-30	$2,167,269	41,368	+19.5%	Shares	Sole	2024-10-29
2024-06-30	$1,421,784	34,627	+52.0%	Shares	Sole	2024-07-09
2024-03-31	$987,100	22,781	—	Shares	Sole	2024-05-13
No filing history on record for this holder in this stock.