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Day One Biopharmaceuticals
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Overview Fund Activity

149 hedge funds and large institutions have $1.2B invested in Day One Biopharmaceuticals in 2024 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 49 increasing their positions, 44 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
149
Holders Change
+10
Holders Change %
+7.19%
% of All Funds
2.16%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.09%
New
26
Increased
49
Reduced
44
Closed
16
Calls
$1.31M
Puts
$1.3M
Net Calls
+$13K
Net Calls Change
-$1.07M

Top Buyers

1
MC
Maverick Capital
Texas
$20.8M
2
ECM
Estuary Capital Management
Minnesota
$26.6M
3
Fidelity Investments
Fidelity Investments
Massachusetts
$72.8M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
$33.6M
5
DCM
Driehaus Capital Management
Illinois
$11.9M

Top Sellers

1
B
Braidwell
Connecticut
$35.9M
2
AVLSA
Atlas Venture Life Science Advisors
Massachusetts
$106M
3
PHS
PFM Health Sciences
California
$5.87M
4
BBA
Baker Bros. Advisors
New York
$0
5
State Street
State Street
Massachusetts
$47.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
Northern Trust
26
Northern Trust
Illinois
$9.22M -$307K -18,607 -3%
SFM
27
Sphera Funds Management
Israel
$8.14M -$337K -20,373 -4%
Charles Schwab
28
Charles Schwab
California
$7.56M +$77.9K +4,718 +1%
NIP
29
Nicholas Investment Partners
California
$5.98M +$966K +58,449 +19%
PHS
30
PFM Health Sciences
California
$5.87M -$15.7M -948,324 -73%
SCM
31
Superstring Capital Management
New York
$5.78M -$495K -29,947 -8%
CS
32
Candriam SCA
Luxembourg
$4.79M – – –
WP
33
Woodline Partners
California
$4.5M – – –
Wellington Management Group
34
Wellington Management Group
Massachusetts
$4.5M +$1.04M +63,148 +30%
PBM
35
Propel Bio Management
California
$4.47M – – –
SSA
36
Schonfeld Strategic Advisors
New York
$3.93M +$972K +58,814 +33%
Morgan Stanley
37
Morgan Stanley
New York
$3.84M -$7.21M -436,328 -65%
D.E. Shaw & Co
38
D.E. Shaw & Co
New York
$3.7M +$475K +28,730 +15%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$3.56M -$311K -18,815 -8%
SB
40
Samsara BioCapital
California
$3.24M – – –
ACP
41
Altitude Crest Partners
Connecticut
$3.23M +$3.23M +195,497 New
Rafferty Asset Management
42
Rafferty Asset Management
New York
$3.19M -$712K -43,123 -18%
Deutsche Bank
43
Deutsche Bank
Germany
$2.94M +$16.8K +1,018 +0.6%
Nuveen Asset Management
44
Nuveen Asset Management
Illinois
$2.9M – – –
SAM
45
Simplify Asset Management
Nevada
$2.89M – – –
Citigroup
46
Citigroup
New York
$2.83M +$1.17M +71,125 +71%
Prudential Financial
47
Prudential Financial
New Jersey
$2.8M +$2.8M +169,522 New
Norges Bank
48
Norges Bank
Norway
$2.79M – – –
LCM
49
Laurion Capital Management
New York
$2.73M – – –
UBS Group
50
UBS Group
Switzerland
$2.71M +$617K +37,378 +30%
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