HARBOR CAPITAL ADVISORS, INC.

Position in RARE — Ultragenyx Pharmaceutical Inc.

CIK 1039128 CHICAGO, IL

Position in RARE

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

Position Value

$1,742,956

+$72,604 QoQ

Shares Held

83,196

+138.2% QoQ

Ownership

0.084%

of shares outstanding

% of Portfolio

0.16%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2022

8 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. RARE ranks #6 (7.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KYMR	Kymera Therapeutics, Inc.	33,948	$2,827,528
2	RYTM	Rhythm Pharmaceuticals, Inc.	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. This page	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

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,742,956	83,196	+138.2%	Shares	Sole	2026-04-28
2023-12-31	$1,670,352	34,930	+9.6%	Shares	Sole	2024-01-08
2023-09-30	$1,136,593	31,882	+22.8%	Shares	Sole	2023-10-20
2023-06-30	$1,198,088	25,972	+1047.2%	Shares	Sole	2023-07-11
2022-12-31	$104,891	2,264	+26.1%	Shares	Sole	2023-01-20
2022-09-30	$74,330	1,795	-38.5%	Shares	Sole	2022-10-28
2022-06-30	$174,087	2,918	+25.5%	Shares	Sole	2022-07-26
2022-03-31	$168,914	2,326	—	Shares	Sole	2022-04-28
No filing history on record for this holder in this stock.