Ultragenyx Pharmaceutical Inc. RARE

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15.43 USD -0.14 (-0.90%)

At closeNov 6, 2026, 4:50 PM EST

15.43 0.00 0.00%

After hours · Nov 6, 4:50 PM ET

15.12 Day range 15.97

12.88 52-week range 36.54

Held by insiders 3.32%

Held by institutions 116.28%

Float held by institutions 120.27%

Institutions 430

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	10.45%	10,654,276	164.40M	Jun 29, 2026
RTW Investments LP	7.65%	7,796,895	120.31M	Jun 29, 2026
Vanguard Portfolio Management LLC	6.66%	6,790,135	104.77M	Jun 29, 2026
AQR Capital Management, LLC	6.44%	6,560,809	101.23M	Jun 29, 2026
State Street Corporation	6.04%	6,158,766	95.03M	Jun 29, 2026
Vanguard Capital Management LLC	4.22%	4,296,491	66.29M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF	5.00%	5,095,895	78.63M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.93%	2,986,621	46.08M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.45%	2,496,493	38.52M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.10%	2,144,802	33.09M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Growth Index Fund	1.22%	1,238,640	19.11M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund	1.11%	1,127,711	17.40M	Jun 29, 2026

RARE insiders
Insider	Relation	Latest transaction	Date	Shares held
CROMBEZ ERIC M.D.	Officer	Sale	May 4, 2026	111,189
HARRIS ERIK	Officer	Stock Award(Grant)	Apr 15, 2026	118,410
HORN HOWARD	Chief Financial Officer	Sale	Oct 14, 2026	89,229
HUANG DENNIS KARL	Chief Technology Officer	Stock Award(Grant)	Apr 15, 2026	147,845
HUIZENGA THEODORE ALAN	Officer	Sale	Sep 14, 2026	67,863
KAKKIS EMIL D	Chief Executive Officer	Stock Award(Grant)	Apr 15, 2026	2,894,720

Held by funds