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Day One Biopharmaceuticals

184 hedge funds and large institutions have $746M invested in Day One Biopharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 69 increasing their positions, 45 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
184
Holders Change
+20
Holders Change %
+12.2%
% of All Funds
2.5%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
43
Increased
69
Reduced
45
Closed
22
Calls
$1.23M
Puts
$1.76M
Net Calls
-$534K
Net Calls Change
+$741K
Name Holding Trade Value Shares
Change
Shares
Change %
Balyasny Asset Management
51
Balyasny Asset Management
Illinois
$1.06M +$826K +104,186 +354%
UBS Group
52
UBS Group
Switzerland
$985K +$475K +59,949 +93%
Rafferty Asset Management
53
Rafferty Asset Management
New York
$945K -$319K -40,248 -25%
BC
54
BIT Capital
Germany
$924K -$437K -55,149 -32%
UOC
55
UBS O'Connor
Illinois
$898K +$501K +63,230 +126%
UBS AM
56
UBS AM
Illinois
$890K +$291K +36,700 +49%
Macquarie Group
57
Macquarie Group
Australia
$872K
Susquehanna International Group
58
Susquehanna International Group
Pennsylvania
$861K +$351K +44,314 +69%
Swiss National Bank
59
Swiss National Bank
Switzerland
$852K -$81.7K -10,300 -9%
NIM
60
NEOS Investment Management
Connecticut
$723K +$42.5K +5,362 +6%
TE
61
Tema ETFs
New York
$723K +$42.5K +5,362 +6%
State of Wisconsin Investment Board
62
State of Wisconsin Investment Board
Wisconsin
$660K +$197K +24,832 +43%
D.E. Shaw & Co
63
D.E. Shaw & Co
New York
$659K -$502K -63,315 -43%
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$649K +$49.9K +6,291 +8%
AA
65
ALPS Advisors
Colorado
$582K -$65.1K -8,206 -10%
Two Sigma Investments
66
Two Sigma Investments
New York
$554K -$1.6M -201,881 -74%
AllianceBernstein
67
AllianceBernstein
Tennessee
$538K -$1.67K -210 -0.3%
SSA
68
Schonfeld Strategic Advisors
New York
$520K +$520K +65,525 New
Osaic Holdings
69
Osaic Holdings
Arizona
$518K +$257K +32,459 +99%
A
70
AlphaQuest
New York
$491K +$464K +58,556 +1,724%
MAM
71
Martingale Asset Management
Massachusetts
$488K -$77.7K -9,800 -14%
JPMorgan Chase & Co
72
JPMorgan Chase & Co
New York
$488K +$8.79K +1,109 +2%
Legal & General Group
73
Legal & General Group
United Kingdom
$480K +$23.3K +2,942 +5%
NRD
74
Nebula Research & Development
New York
$453K +$296K +37,328 +188%
California State Teachers Retirement System (CalSTRS)
75
California State Teachers Retirement System (CalSTRS)
California
$440K