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Day One Biopharmaceuticals
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Overview Fund Activity

139 hedge funds and large institutions have $1.12B invested in Day One Biopharmaceuticals in 2023 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 51 increasing their positions, 35 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
139
Holders Change
+9
Holders Change %
+6.92%
% of All Funds
2.04%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
26
Increased
51
Reduced
35
Closed
17
Calls
$1.66M
Puts
$575K
Net Calls
+$1.08M
Net Calls Change
+$1.05M

Top Buyers

1
Pictet Asset Management
1
Pictet Asset Management
Switzerland
$37.5M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$24.8M
3
TCM
3
TimesSquare Capital Management
New York
$24.3M
4
Morgan Stanley
4
Morgan Stanley
New York
$9.77M
5
B
5
Braidwell
Connecticut
$61.5M

Top Sellers

1
CPX
1
Canaan Partners XI
California
$0
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$57.9M
3
NIP
3
Nicholas Investment Partners
California
$4.43M
4
PHS
4
PFM Health Sciences
California
$19M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$2.19M
Name Holding Trade Value Shares
Change 		Shares
Change %
PHP
26
Parkman Healthcare Partners
Connecticut
$9.14M +$2.33M +159,341 +34%
Northern Trust
27
Northern Trust
Illinois
$8.42M +$364K +24,898 +5%
SFM
28
Sphera Funds Management
Israel
$7.49M -$248K -17,000 -3%
DCM
29
Driehaus Capital Management
Illinois
$7.06M -$74.2K -5,079 -1%
Charles Schwab
30
Charles Schwab
California
$6.61M +$84.6K +5,796 +1%
Alyeska Investment Group
31
Alyeska Investment Group
Illinois
$5.7M – – –
SCM
32
Superstring Capital Management
New York
$5.54M +$5.54M +379,626 New
NIP
33
Nicholas Investment Partners
California
$4.43M -$27.5M -1,885,336 -86%
CS
34
Candriam SCA
Luxembourg
$4.23M – – –
WP
35
Woodline Partners
California
$3.98M – – –
PBM
36
Propel Bio Management
California
$3.95M +$3.95M +270,664 New
PC
37
Pier Capital
Connecticut
$3.78M +$3.78M +258,685 New
Rafferty Asset Management
38
Rafferty Asset Management
New York
$3.45M -$10.8K -737 -0.3%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$3.42M +$203K +13,902 +6%
Wellington Management Group
40
Wellington Management Group
Massachusetts
$3.05M +$1.33M +91,393 +78%
SB
41
Samsara BioCapital
California
$2.87M – – –
D.E. Shaw & Co
42
D.E. Shaw & Co
New York
$2.85M -$10.8K -739 -0.4%
Barclays
43
Barclays
United Kingdom
$2.71M +$788K +53,957 +41%
SSA
44
Schonfeld Strategic Advisors
New York
$2.61M +$617K +42,234 +31%
Deutsche Bank
45
Deutsche Bank
Germany
$2.59M +$277 +19 +0%
Nuveen Asset Management
46
Nuveen Asset Management
Illinois
$2.57M -$3.64M -249,434 -59%
SAM
47
Simplify Asset Management
Nevada
$2.56M – – –
Norges Bank
48
Norges Bank
Norway
$2.47M – – –
LCM
49
Laurion Capital Management
New York
$2.41M +$2.41M +164,983 New
Bank of America
50
Bank of America
North Carolina
$2.33M -$857K -58,717 -27%
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