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RARE · Ultragenyx Pharmaceutical Inc. · Shareholders & Ownership

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$16.02 +0.95 (+6.30%) At close · Oct 20
Market Cap
$1.49B
Shares
98.59M
Volume · Oct 20 3.55M Avg daily vol (3M) 4.07M

Every disclosed holder of RARE in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns RARE

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 106,886,057 108.42%
Insiders (Forms 3, 4, 5) 2,194,015 2.23%
13D/G-only blocks 0 0.00%
Remaining 10,491,199 -10.64%
Registered funds (N-PORT, not summed) 31,954,418 32.41%

Shares outstanding: 98,588,873, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of RARE

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
10,654,276
1.1
BlackRock, Inc.
13G CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
8,141,384
1.2
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,501,996
1.3
iShares Biotechnology ETF
Fund S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
635,346
1.4
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
496,620
1.5
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
409,241
2
RTW INVESTMENTS, LP
13F CIK 1493215 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
7,796,895
2.1
RTW INVESTMENTS, LP
13G CIK 1493215 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
7,796,895
3
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,790,135
3.1
VANGUARD PORTFOLIO MANAGEMENT LLC
13G CIK 2100121 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,853,427
4
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,560,809
4.1
AQR CAPITAL MANAGEMENT LLC
13G CIK 1167557 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,560,809
4.2
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
914,718
4.3
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
231,583
4.4
AQR Managed Futures Strategy Fund
Fund S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
217,581
4.5
AQR Managed Futures Strategy HV Fund
Fund S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
135,487
5
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
6,158,766
5.1
STATE STREET CORP
13G CIK 93751 · Bank · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,158,766
5.2
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
3,666,868
5.3
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
94,619
5.4
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
34,076
5.5
State Street(R) SPDR(R) US Small Cap Low Volatility Index ETF
Fund S000039795 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
8,947
6
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,296,491
6.1
VANGUARD CAPITAL MANAGEMENT LLC
13G CIK 2100119 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
5,058,419
7
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,621,200
8
SANDS CAPITAL MANAGEMENT, LLC
13F CIK 1020066 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,158,368
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,986,621
10
JACOBS LEVY EQUITY MANAGEMENT, INC
13F CIK 884414 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,939,719
11
FRONTIER CAPITAL MANAGEMENT CO LLC
13F CIK 351173 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,847,936
12
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,578,828
13
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,144,802
14
Bellevue Group AG
13F CIK 1674546 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,982,775
15
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,730,193
16
Sofinnova Investments, Inc.
13F CIK 1631134 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,717,505
17
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F CIK 1165408 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,580,000
18
GW&K Investment Management, LLC
13F CIK 1082917 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,481,178
19
MPM BIOIMPACT LLC
13F CIK 1687078 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,418,215
20
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,356,501
20.1
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
429,669
20.2
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
232,215
20.3
T. Rowe Price Small-Mid Cap ETF
Fund S000079837 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
71,898
20.4
T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund
Fund S000052904 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
46,722
20.5
T. Rowe Price Extended Equity Market Index Fund
Fund S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
16,156
21
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,324,805
21.1
Vitality Portfolio
Fund S000074797 · Registered fund · Mar 31, 2026
MORGAN STANLEY INSTITUTIONAL FUND INC, not summed
758
21.2
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
347
22
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,250,464
23
VOLORIDGE INVESTMENT MANAGEMENT, LLC
13F CIK 1556921 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,241,556
24
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,238,640
25
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,148,454
26
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,127,711
27
VANGUARD STRATEGIC EQUITY FUND
Fund S000002593 · Registered fund · Jun 30, 2026
VANGUARD HORIZON FUNDS, not summed
1,072,214
28
Candriam S.C.A.
13F CIK 1537014 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,001,841
29
Rock Springs Capital Management LP
13F CIK 1595725 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
967,855
30
KAKKIS EMIL D
Insider CIK 1248093 · Apr 16, 2026
Director, President & CEO, issuer-wide
935,739
31
Jefferies Financial Group Inc.
13F CIK 96223 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
929,626
32
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
920,314
32.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
48,893
32.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
8,375
32.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
158
33
Eagle Health Investments LP
13F CIK 1842545 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
884,121
34
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
882,219
35
VANGUARD EXPLORER FUND
Fund S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
821,986
36
Russell Investments Group, Ltd.
13F CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
784,099
36.1
U.S. Strategic Equity Fund
Fund S000037466 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
123,911
36.2
U.S. Strategic Equity Fund
Fund S000006863 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
26,827
36.3
U.S. Small Cap Equity Fund
Fund S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
21,009
36.4
U.S. Small Cap Equity Fund
Fund S000006864 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
5,822
37
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
760,825
38
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
760,039
38.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
463,045
38.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
234,817
38.3
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
56,898
38.4
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
53,281
38.5
Schwab Small-Cap Equity Fund
Fund S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
25,242
39
Pictet Asset Management Holding SA
13F CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
753,695
40
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
693,959
40.1
Nuveen Quant Small/Mid Cap Equity Fund
Fund S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
248,080
40.2
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
201,100
40.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
128,084
40.4
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
64,700
40.5
TIAA Separate Account VA-1 - Stock Index Account
Fund S000005098 · Registered fund · Jun 30, 2026
TIAA Separate Account VA-1, not summed
1,912
41
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
671,411
42
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
657,699
43
Touchstone Funds Group Trust-Touchstone Sands Capital Select Growth Fund
Fund S000005840 · Registered fund · Jun 30, 2026
Touchstone Funds Group Trust, not summed
611,950
44
Palo Alto Investors LP
13F CIK 1306923 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
596,495
45
SPHERA FUNDS MANAGEMENT LTD.
13F CIK 1496201 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
588,494
46
Legal & General Group Plc
13F CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
586,520
47
PANAGORA ASSET MANAGEMENT INC
13F CIK 883677 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
586,230
48
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
576,849
48.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
1,055,493
48.2
Strategic Advisers U.S. Total Stock Fund
Fund S000084926 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
527,813
48.3
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
500,243
48.4
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
266,000
48.5
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
180,636
49
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
575,338
49.1
Goldman Sachs Multi-Manager Global Equity Fund
Fund S000049146 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
18,476
49.2
Goldman Sachs Innovate Equity ETF
Fund S000068597 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
9,780
49.3
Multi-Manager U.S. Small Cap Equity Fund
Fund S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
2,866
49.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
2,187
49.5
Goldman Sachs MarketBeta(R) Russell 1000 Growth Equity ETF
Fund S000083005 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
1,628
50
Trexquant Investment LP
13F CIK 1633445 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
556,385

52 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 430 holders

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Key facts CIK 1515673 CUSIP 90400D108 13F (30d) 15 filings 15 filers Visit website Investor relations