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Day One Biopharmaceuticals

183 hedge funds and large institutions have $746M invested in Day One Biopharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 69 increasing their positions, 46 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

0.17% less ownership

Funds ownership: 92.95%92.78% (-0.17%)

30% less call options, than puts

Call options by funds: $1.23M | Put options by funds: $1.76M

37% less capital invested

Capital invested by funds: $1.19B → $746M (-$442M)

Holders
183
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
$1.23M
Puts
$1.76M
Net Calls
Net Calls Change

Top Buyers

1 +$23.3M
2 +$16.7M
3 +$12.5M
4
Millennium Management
Millennium Management
New York
+$12.2M
5
Goldman Sachs
Goldman Sachs
New York
+$11.8M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$15.2K
152
$14K
153
$13K
154
$8.93K
155
$7.93K
156
$7.53K
157
$2.93K
158
$2.74K
159
$2.71K
160
$2.59K
161
$2.38K
162
$2.24K
163
$2K
164
$1.95K
165
$1.63K
166
$1.17K
167
$1.13K
168
$1.02K
169
$753
170
$635
171
$626
172
$603
173
$397
174
$349
175
$341