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RARE Institutional Ownership & 13F Holders | SmartMoneyDB

RAREULTRAGENYX PHARMACEUTICAL IN

COM · CUSIP 90400D108

Yahoo Finance

Smart Money Score

Composite context from Form 4, 13F and congressional disclosures; not a forecast.

4/10

Insider 0 · 13F 4

Congress 1 · 2+ sources

Smart Money Ownership

Of the 12 tracked institutions holding RARE, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +4.7pt. It's a gauge of who owns the name, not just how many.

PRICE T ROWE ASSOCIATES INC /MD/

$45.3M

+3.5pt

RARE (ULTRAGENYX PHARMACEUTICAL IN) Institutional Ownership Summary

Among the 12 tracked institutional investors we monitor, RARE (ULTRAGENYX PHARMACEUTICAL IN) is held with a combined value of $1.23B across 40,268,136 shares. The largest holder is BlackRock, Inc. with a position worth $355.75M. 7 funds increased their holdings. 5 funds reduced their position.

Total Institutional Value

$1.23B

Total Shares Held

40,268,136

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

BlackRock, Inc.+46% shares~$112.1M AQR CAPITAL MANAGEMENT LLC+43% shares~$64.7M STATE STREET CORP+23% shares~$37.9M ADAGE CAPITAL PARTNERS GP, L.L.C.+229% shares~$36.7M PRICE T ROWE ASSOCIATES INC /MD/+69% shares~$18.4M

13F Institutional Holders

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AQR CAPITAL MANAGEMENT LLC

ADAGE CAPITAL PARTNERS GP, L.L.C.

0.07% of book+229.2%

$52.76M

PRICE T ROWE ASSOCIATES INC /MD/

0.00% of book+68.7%

$45.30M

WELLINGTON MANAGEMENT GROUP LLP

0.01% of book-52.6%

$41.75M

MILLENNIUM MANAGEMENT LLC

RENAISSANCE TECHNOLOGIES LLC

0.02% of book-26.3%

$13.81M

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$355.75M	10,654,276	0.01%	+46.0%
2	VANGUARD GROUP INC	$236.07M	10,263,815	0.00%	+1.3%
3	AQR CAPITAL MANAGEMENT LLC	$214.14M	6,560,809	0.07%	+43.3%
4	STATE STREET CORP	$205.64M	6,158,766	0.01%	+22.6%
5	ADAGE CAPITAL PARTNERS GP, L.L.C.	$52.76M	1,580,000	0.07%	+229.2%
6	PRICE T ROWE ASSOCIATES INC /MD/	$45.30M	1,356,501	0.00%	+68.7%
7	WELLINGTON MANAGEMENT GROUP LLP	$41.75M	1,250,464	0.01%	-52.6%
8	MILLENNIUM MANAGEMENT LLC	$25.40M	760,825	0.02%	-57.1%
9	FMR LLC	$19.26M	576,849	0.00%	+100.8%
10	RENAISSANCE TECHNOLOGIES LLC	$13.81M	413,700	0.02%	-26.3%

Activist & Large Holders (13D/13G)

Investor	Ownership	Type	Filed
RTW INVESTMENTS, LP	7.9%	13G	2026-08-14
AQR CAPITAL MANAGEMENT LLC	6.7%

Congress Trading

1 member · 5 disclosed trades in RARE

Member	Type	Amount	Date
Gilbert Cisneros	Buy	$1,001 - $15,000	Sep 29, 2026
Gilbert Cisneros	Buy	$1,001 - $15,000	Mar 3, 2026
Gilbert Cisneros	Buy	$1,001 - $15,000	Feb 18, 2026
Gilbert Cisneros	Buy	$1,001 - $15,000

Frequently Asked Questions

Which institutional investors own the most RARE stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of RARE with a position worth $355.75M, representing 0.01% of their portfolio. In total, 12 institutional investors hold RARE with a combined value of $1.23B.

What percentage of RARE is owned by institutional investors?

Institutional investors hold $1.23B worth of RARE stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $355.75M in holdings.

What is a 13F filing and why does it matter for RARE?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For RARE, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track RARE institutional moves

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