Ticker · CUSIP 90400D108

RARE

ULTRAGENYX PHARMACEUTICAL IN
···Share
Holders (tracked)
14
Combined shares
15,012,916
Combined value
$309.58M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
14132024Q12025Q4

SEC event timeline

25 events
  1. +107,123 shares · 2025Q4
    13F
  2. +97,869 shares · 2025Q4
    13F
  3. +1,995,172 shares · 2025Q4
    13F
  4. +781,431 shares · 2025Q4
    13F
  5. −755,808 shares · 2025Q4
    13F
  6. +516,781 shares · 2025Q4
    13F
  7. +13,416 shares · 2025Q4
    13F
  8. +614,315 shares · 2025Q4
    13F
  9. −284,129 shares · 2025Q4
    13F
  10. +344,200 shares · 2025Q4
    13F
  11. +1,261,026 shares · 2025Q4
    13F
  12. +30,612 shares · 2025Q4
    13F
  13. −53,139 shares · 2025Q3
    13F
  14. +493,849 shares · 2025Q3
    13F
  15. −387,128 shares · 2025Q3
    13F
  16. −515,968 shares · 2025Q3
    13F
  17. −250,721 shares · 2025Q3
    13F
  18. −303,161 shares · 2025Q3
    13F
  19. −576,094 shares · 2025Q3
    13F
  20. +73,309 shares · 2025Q3
    13F
  21. −186,400 shares · 2025Q3
    13F
  22. −983,638 shares · 2025Q3
    13F
  23. −173,632 shares · 2025Q3
    13F
  24. −17,672 shares · 2025Q3
    13F
  25. −61,837 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Trimmed2
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$49.64B
2022Q2
13
$41.16B
2022Q3
14
$32.4M
2022Q4
13
$557.7M
2023Q1
15
$532.1M
2023Q2
16
$685.2M
2023Q3
12
$327.5M
2023Q4
12
$517.5M
2024Q1
13
$746.7M
2024Q2
15
$826.2M
2024Q3
16
$779.9M
2024Q4
15
$389.5M
2025Q1
15
$378.8M
2025Q2
17
$355.5M
2025Q3
12
$237.9M
2025Q4
14
$309.6M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-03-03Gilbert CisnerosBuy$1K – $15KPDF ↗
2026-02-18Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-08-08Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-07-15Gilbert CisnerosBuy$1K – $15KPDF ↗

Who owns RARE

14 super-investors · 2025Q4
Tracked stake
15.01M
shares
Combined value
$310M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Added10Trim2
#ManagerSharesValue
1Sands Capital Management3.49M$80M
2Wellington Management2.46M$57M
3Ken Griffin
Citadel Advisors
2.33M$54M
4AQR Capital Management1.36M$31M
5Norges Bank
Norway SWF
1.26M$29M
6Izzy Englander
Millennium Mgmt
880.6K$20M
7Two Sigma Investments424.0K$10M
8Renaissance Technologies366.1K$8M
9D.E. Shaw & Co.344.8K$8M
10Ken Griffin
Citadel Advisors
298.0K$7M
11Ken Fisher
Fisher Asset Mgmt
198.7K$5M
12Ken Griffin
Citadel Advisors
37.6K$865K
13Paul Tudor Jones
Tudor Investment
13.4K$309K
14T. Rowe Price1.55M$36K

Recent moves

20 transactions
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