Ultragenyx Pharmaceutical Inc. - Common Stock, $0.001 par value (the "Common Stock") (RARE)

Q: What does CUSIP 90400D108 represent in this 13F holders report?

CUSIP 90400D108 is the security identifier for RARE - Ultragenyx Pharmaceutical Inc. - Common Stock, $0.001 par value (the "Common Stock") used to aggregate holder disclosures.

Q: How many institutions held RARE - Ultragenyx Pharmaceutical Inc. - Common Stock, $0.001 par value (the "Common Stock") in Q4 2023?

236 institutional investors reported RARE - Ultragenyx Pharmaceutical Inc. - Common Stock, $0.001 par value (the "Common Stock") for Q4 2023. Use the holders table for investor-level position and value details.

CUSIP: 90400D108

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Common Stock, $0.001 par value (the "Common Stock")
Total 13F shares: 80,397,353
Total 13F value: $3,844,802,509
Share change: +10,299,160
Put/Call ratio: 115%
SEC-reported price per share: $47.82
Number of holders: 236
Value change: +$498,492,380
Number of buys: 133
Number of sells: 96
Shares outstanding: 98,559,344

Security key

90400D108

Report period

Q4 2023

Institutions

236

Top holders

RARE full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Ultragenyx Pharmaceutical Inc. SEC filings Ultragenyx Pharmaceutical Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 90400D108

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of RARE - Ultragenyx Pharmaceutical Inc. - Common Stock, $0.001 par value (the "Common Stock") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

0/15

Latest evidence

30 Sep 2023

13F Highest disclosed value: $257,862,440 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC has the largest disclosed position value at $257.86M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.

Disclosed position value Top 5

VANGUARD GROUP INC $257.86M

RTW INVESTMENTS, LP $192.69M

WELLINGTON MANAGEMENT GROUP LLP $185.23M

BlackRock Finance, Inc. $181.07M

PRICE T ROWE ASSOCIATES INC /MD/ $112.66M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$257,862,440 7,233,168 shares	—	30 Sep 2023
RTW INVESTMENTS, LP	13F Company 13F	— denominator unverified	$192,691,423 5,405,089 shares	—	30 Sep 2023
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	— denominator unverified	$185,233,121 5,195,880 shares	—	30 Sep 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$181,073,802 5,079,209 shares	—	30 Sep 2023
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	— denominator unverified	$112,661,000 3,160,160 shares	—	30 Sep 2023
SANDS CAPITAL MANAGEMENT, LLC	13F Company 13F	— denominator unverified	$91,877,786 2,577,217 shares	—	30 Sep 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

236

80,397,353

Rows available

236

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

219

Q4 2023 holders

236

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 value	Q4 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend