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Day One Biopharmaceuticals
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Overview Fund Activity

139 hedge funds and large institutions have $941M invested in Day One Biopharmaceuticals in 2023 Q2 according to their latest regulatory filings, with 39 funds opening new positions, 60 increasing their positions, 23 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
139
Holders Change
+14
Holders Change %
+11.2%
% of All Funds
2.19%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
39
Increased
60
Reduced
23
Closed
25
Calls
$1.74M
Puts
$1.31M
Net Calls
+$429K
Net Calls Change
-$526K

Top Buyers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$29.2M
2
BlackRock
2
BlackRock
New York
$42.6M
3
DM
3
Deerfield Management
New York
$15.2M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$51.1M
5
PHS
5
PFM Health Sciences
California
$13.7M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$90.3M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$0
3
Renaissance Technologies
3
Renaissance Technologies
New York
$1.66M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$2.55M
5
CSS
5
Cubist Systematic Strategies
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
LGM
26
Logos Global Management
California
$7.76M +$7.76M +650,000 New
SFM
27
Sphera Funds Management
Israel
$6.33M +$6.33M +530,000 New
Verition Fund Management
28
Verition Fund Management
Connecticut
$6.1M +$5.75M +481,935 +1,643%
DCM
29
DAFNA Capital Management
California
$6.05M +$6.05M +507,100 New
AG
30
Artal Group
Luxembourg
$5.97M +$5.97M +500,000 New
Millennium Management
31
Millennium Management
New York
$5.83M +$3.21M +268,454 +122%
DCM
32
Driehaus Capital Management
Illinois
$5.71M +$74.3K +6,222 +1%
Northern Trust
33
Northern Trust
Illinois
$5.17M +$2.54M +213,071 +97%
PHP
34
Parkman Healthcare Partners
Connecticut
$5.11M +$335K +28,059 +7%
Alyeska Investment Group
35
Alyeska Investment Group
Illinois
$4.66M +$1.49M +125,000 +47%
Nuveen Asset Management
36
Nuveen Asset Management
Illinois
$4.21M -$1.74M -146,025 -29%
Charles Schwab
37
Charles Schwab
California
$3.85M +$1.43M +119,421 +59%
Rafferty Asset Management
38
Rafferty Asset Management
New York
$3.47M +$1.19M +99,563 +52%
CS
39
Candriam SCA
Luxembourg
$3.46M +$1.19M +99,821 +52%
Morgan Stanley
40
Morgan Stanley
New York
$2.84M +$642K +53,785 +29%
Bank of America
41
Bank of America
North Carolina
$2.55M -$240K -20,118 -9%
D.E. Shaw & Co
42
D.E. Shaw & Co
New York
$2.55M -$2.52M -210,963 -50%
WP
43
Woodline Partners
California
$2.52M +$716K +59,972 +40%
MIM
44
Monashee Investment Management
Massachusetts
$2.39M +$2.39M +199,900 New
SB
45
Samsara BioCapital
California
$2.35M – – –
ECM
46
ExodusPoint Capital Management
New York
$2.24M +$2.24M +187,185 New
Dimensional Fund Advisors
47
Dimensional Fund Advisors
Texas
$2.19M -$2.16M -180,881 -50%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$2.15M +$815K +68,278 +61%
Norges Bank
49
Norges Bank
Norway
$2.02M – – –
Deutsche Bank
50
Deutsche Bank
Germany
$2M -$4.98K -417 -0.2%
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