RARE icon

Ultragenyx Pharmaceutical

285 hedge funds and large institutions have $2.16B invested in Ultragenyx Pharmaceutical in 2025 Q4 according to their latest regulatory filings, with 56 funds opening new positions, 110 increasing their positions, 91 reducing their positions, and 65 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

14% less first-time investments, than exits

New positions opened: 56 | Existing positions closed: 65

25% less capital invested

Capital invested by funds: $2.87B → $2.16B (-$711M)

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
285
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$75.9M
Puts
$47.6M
Net Calls
Net Calls Change

Top Buyers

1 +$65.6M
2 +$30.1M
3 +$29.5M
4
Millennium Management
Millennium Management
New York
+$25.7M
5
Jane Street
Jane Street
New York
+$21.9M

Top Sellers

1 -$152M
2 -$31.1M
3 -$29.6M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$24.9M
5
VPC
Vestal Point Capital
New York
-$22.6M
Name Holding Trade Value Shares
Change
Change in
Stake
BC
326
Bridgefront Capital
Texas
DP
327
Diadema Partners
New Jersey
ACM
328
ADAR1 Capital Management
Texas
LAM
329
LECAP Asset Management
United Kingdom
OAM
330
Oppenheimer Asset Management
New York
ECM
331
Everence Capital Management
Indiana
FCM
332
Farallon Capital Management
California
DO
333
denkapparat Operations
Germany
QT
334
Quantbot Technologies
New York
Acadian Asset Management
335
Acadian Asset Management
Massachusetts
TIM
336
Tortoise Investment Management
New York
MCM
337
Manchester Capital Management
Vermont
DJSG
338
D.J. St. Germain
Massachusetts
CSC
339
Caldwell Sutter Capital
California
NS
340
NBC Securities
Alabama
MG
341
Mather Group
Illinois
National Bank of Canada
342
National Bank of Canada
Quebec, Canada
GWSG
343
GPS Wealth Strategies Group
Colorado
SHIM
344
Stone House Investment Management
Pennsylvania
MCM
345
MAI Capital Management
Ohio
KG
346
Kilter Group
New York
ASN
347
Advisory Services Network
Georgia
RA
348
Rise Advisors
New York
CIBC Private Wealth Group
349
CIBC Private Wealth Group
Georgia
WANY
350
Wealthspire Advisors (New York)
New York