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Ultragenyx Pharmaceutical

295 hedge funds and large institutions have $2.05B invested in Ultragenyx Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 62 funds opening new positions, 125 increasing their positions, 83 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 26 (+4)

51% more repeat investments, than reductions

Existing positions increased: 125 | Existing positions reduced: 83

29% more first-time investments, than exits

New positions opened: 62 | Existing positions closed: 48

4.16% more ownership

Funds ownership: 97.37%101.53% (+4.2%)

3% more funds holding

Funds holding: 287295 (+8)

8% more call options, than puts

Call options by funds: $27.9M | Put options by funds: $25.8M

5% less capital invested

Capital invested by funds: $2.16B → $2.05B (-$108M)

Holders
295
Holders Change
+8
Holders Change %
+2.79%
% of All Funds
3.63%
Holding in Top 10
6
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+200%
% of All Funds
0.07%
New
62
Increased
125
Reduced
83
Closed
48
Calls
$27.9M
Puts
$25.8M
Net Calls
+$2.02M
Net Calls Change
-$26.3M
Name Holding Trade Value Shares
Change
Change in
Stake
GPP
301
Great Point Partners
Connecticut
-$6.9M -300,000 Closed
Verition Fund Management
302
Verition Fund Management
Connecticut
-$6.49M -282,376 Closed
6CM
303
683 Capital Management
New York
-$5.12M -222,395 Closed
EA
304
Emerald Advisers
Pennsylvania
-$4.88M -212,358 Closed
Fisher Asset Management
305
Fisher Asset Management
Washington
-$4.57M -198,696 Closed
WCM Investment Management
306
WCM Investment Management
California
-$3.72M -163,272 Closed
ECM
307
ExodusPoint Capital Management
New York
-$3.16M -137,392 Closed
EMFAT
308
Emerald Mutual Fund Advisers Trust
Pennsylvania
-$2.77M -120,505 Closed
EP
309
Edgestream Partners
New Jersey
-$2.3M -99,873 Closed
TD Asset Management
310
TD Asset Management
Ontario, Canada
-$1.89M -81,964 Closed
AAA
311
Affinity Asset Advisors
New York
-$1.73M -75,000 Closed
FMI
312
F/M Investments
District of Columbia
-$1.69M -73,484 Closed
DZ Bank
313
DZ Bank
Germany
-$1.55M -67,339 Closed
SRL
314
Scientech Research LLC
New Jersey
-$1.1M -48,032 Closed
WCM
315
Wedge Capital Management
North Carolina
-$973K -42,302 Closed
AIMCA
316
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
-$883K -38,400 Closed
SCM
317
Superstring Capital Management
New York
-$730K -31,738 Closed
OAM
318
Oxford Asset Management
United Kingdom
-$471K -20,475 Closed
VOYA Investment Management
319
VOYA Investment Management
Georgia
-$458K -19,934 Closed
I
320
InceptionR
California
-$453K -19,714 Closed
VCM
321
Voleon Capital Management
California
-$321K -13,956 Closed
BMSSC
322
B. Metzler seel. Sohn & Co
Germany
-$296K -12,862 Closed
BAM
323
Blueshift Asset Management
New Jersey
-$284K -12,343 Closed
DFCM
324
Dark Forest Capital Management
Puerto Rico
-$209K -9,071 Closed
AB
325
Amalgamated Bank
New York
-$174K -7,551 Closed