FRED ALGER MANAGEMENT, LLC

Position in RARE — Ultragenyx Pharmaceutical Inc.

CIK 3520 NEW YORK, NY

Position in RARE

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

Position Value

$4,779,945

-$1,463,825 QoQ

Shares Held

143,155

-52.0% QoQ

Ownership

0.145%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#92

of 311 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

FRED ALGER MANAGEMENT, LLC holds $805,760,903 across 54 Biotechnology names. RARE ranks #18 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARWR	Arrowhead Pharmaceuticals, Inc.	3,301,919	$269,139,417
2	DNTH	Dianthus Therapeutics, Inc. /DE/	1,302,493	$126,967,017
3	TWST	Twist Bioscience Corp	558,157	$57,423,192
4	RVMD	Revolution Medicines, Inc.	259,468	$48,593,167
5	ASND	Ascendis Pharma A/S	171,447	$45,728,343
6	COGT	Cogent Biosciences, Inc.	1,072,830	$41,518,521
7	ROIV	Roivant Sciences Ltd.	1,081,421	$38,271,489
8			1,439,697	$30,593,561

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,779,945	143,155	-52.0%	Shares	Sole	2026-08-14
2026-03-31	$6,243,770	298,032	-27.6%	Shares	Sole	2026-05-15
2025-12-31	$9,472,849	411,863	-8.2%	Shares	Sole	2026-02-17
2025-09-30	$13,497,405	448,717	+4.3%	Shares	Sole	2025-11-14
2025-06-30	$15,647,124	430,339	-18.0%	Shares	Sole	2025-08-14
2025-03-31	$18,997,105	524,637	+12.5%	Shares	Sole	2025-05-16
2024-12-31	$19,615,767	466,265	-13.1%	Shares	Sole	2025-02-14
2024-09-30	$29,791,353	536,298	-2.3%	Shares	Sole	2024-11-14
2024-06-30	$22,559,995	548,905	-5.6%	Shares	Sole	2024-08-14
2024-03-31	$27,152,615	581,551	-3.7%	Shares	Sole	2024-05-15
2023-12-31	$28,882,131	603,976	-5.5%	Shares	Sole	2024-02-14
2023-09-30	$22,775,572	638,866	-2.6%	Shares	Sole	2023-11-14
2023-06-30	$30,266,123	656,105	+20.7%	Shares	Sole	2023-08-14
2023-03-31	$21,796,434	543,552	+9.7%	Shares	Sole	2023-05-16
2022-12-31	$22,958,367	495,540	+35.5%	Shares	Sole	2023-02-14
2022-09-30	$15,144,175	365,713	+39.5%	Shares	Sole	2022-11-15
2022-06-30	$15,642,910	262,201	-6.3%	Shares	Sole	2022-08-15
2022-03-31	$20,317,114	279,773	-4.7%	Shares	Sole	2022-05-16
2021-12-31	$24,680,414	293,500	+0.9%	Shares	Sole	2022-02-14
2021-09-30	$26,238,344	290,923	+52.0%	Shares	Sole	2021-11-15
2021-06-30	$18,253,041	191,432	+9.7%	Shares	Sole	2021-08-16
2021-03-31	$19,875,857	174,564	-7.8%	Shares	Sole	2021-05-17
2020-12-31	$26,201,061	189,273	-27.2%	Shares	Sole	2021-02-16
2020-09-30	$21,376,139	260,082	+26.1%	Shares	Sole	2020-11-13
2020-06-30	$16,138,428	206,321	-23.6%	Shares	Sole	2020-08-14
2020-03-31	$11,990,901	269,883	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.