FMR LLC

Position in RARE — Ultragenyx Pharmaceutical Inc.

CIK 315066 BOSTON, MA

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Position in RARE

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$6,019,268

-$55,304,459 QoQ

Shares Held

287,316

-89.2% QoQ

Ownership

0.292%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 97.62387058152.ToString("F0")% Shared 0.ToString("F0")% None 2.376129418480001.ToString("F0")%

Common Shares in RARE Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

FMR LLC holds $49,674,888,413 across 352 Biotechnology names. RARE ranks #161 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	14,579,166	$4,823,808,652
2	ARGX	Argenx SE	4,991,034	$3,644,702,577
3	MRNA	Moderna, Inc.	45,672,024	$2,320,138,818
4	ROIV	Roivant Sciences Ltd.	77,981,253	$2,160,080,705
5	INSM	INSMED Inc	13,160,167	$2,151,950,504
6	IONS	Ionis Pharmaceuticals Inc	24,556,637	$1,843,957,869
7	RPRX	Royalty Pharma plc	25,152,242	$1,206,553,046
8	REGN	Regeneron Pharmaceuticals, Inc.	1,518,192	$1,173,015,865

All Filings in RARE

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,019,268	287,316	-89.2%	Shares	Defined	2026-05-15
2025-12-31	$61,323,727	2,666,249	-63.4%	Shares	Defined	2026-02-17
2025-09-30	$219,081,541	7,283,296	+179.6%	Shares	Defined	2025-11-13
2025-06-30	$94,702,817	2,604,588	+582.9%	Shares	Defined	2025-08-14
2025-03-31	$13,811,290	381,422	-3.7%	Shares	Defined	2025-05-12
2024-12-31	$16,659,046	395,984	-37.9%	Shares	Defined	2025-02-13
2024-09-30	$35,430,956	637,821	-1.5%	Shares	Defined	2024-11-13
2024-06-30	$26,617,099	647,618	-17.2%	Shares	Defined	2024-08-13
2024-03-31	$36,513,073	782,032	-21.2%	Shares	Defined	2024-05-13
2023-12-31	$47,482,916	992,951	-3.4%	Shares	Defined	2024-02-13
2023-09-30	$36,640,535	1,027,785	+23.4%	Shares	Defined	2023-11-13
2023-06-30	$38,411,389	832,677	-17.1%	Shares	Defined	2023-08-11
2023-03-31	$40,261,361	1,004,024	-7.0%	Shares	Defined	2023-08-11
2022-12-31	$49,993,497	1,079,074	+10.1%	Shares	Defined	2023-02-13
2022-09-30	$40,572,648	979,779	-15.4%	Shares	Defined	2022-11-10
2022-06-30	$69,100,715	1,158,242	-7.7%	Shares	Defined	2022-08-12
2022-03-31	$91,176,151	1,255,524	-2.8%	Shares	Defined	2022-05-13
2021-12-31	$108,592,058	1,291,379	+11.2%	Shares	Defined	2022-02-14
2021-09-30	$104,709,235	1,160,985	+32.7%	Shares	Defined	2022-02-14
2021-06-30	$83,394,444	874,614	-0.3%	Shares	Defined	2021-08-13
2021-03-31	$99,913,743	877,514	-18.1%	Shares	Defined	2021-05-14
2020-12-31	$148,327,605	1,071,499	-8.4%	Shares	Defined	2021-02-08
2020-09-30	$96,170,436	1,170,099	-18.9%	Shares	Defined	2020-11-13
2020-06-30	$112,801,218	1,442,102	-18.8%	Shares	Defined	2020-08-24
2020-03-31	$78,894,794	1,775,710	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.