13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Pharmaceutical PreparationsMost-boughtAI cap-ex
DAWN

DAY ONE BIOPHARMACEUTICALS I

213 institutions still hold DAY ONE BIOPHARMACEUTICALS I as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 23954D109·Pharmaceutical Preparations·213 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 7.4%
vs prior quarter
13F value held
$1.1B
77.0% inst. owned
of float
Holders
213
-42 QoQ
filers reporting
Activity
+34 / −50
+849 added · −748 reduced
this quarter
Concentration
13.85%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

213 institutions reported DAWN in Q1 2026. BlackRock, Inc. leads at 13.9% of the visible book. -42 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$151M7.0M0.00%Q1 202602
FIL Ltd
CIK 0000318989
$89M4.1M0.07%Q1 202603
Kryger Capital LLC
CIK 0002123957
$84M3.9M5.91%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$72M3.4M0.00%Q1 202605
JPMORGAN CHASE & CO
CIK 0000019617
$67M3.1M0.00%Q1 202606
STATE STREET CORP
CIK 0000093751
$62M2.9M0.00%Q1 202607
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$56M2.6M0.07%Q1 202608
UBS Group AG
CIK 0001610520
$49M2.3M0.01%Q1 202609
Vanguard Portfolio Management
CIK 0002100121
$45M2.1M0.00%Q1 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$42M2.0M0.00%Q1 202611
Qube Research & Technologies Ltd
CIK 0001729829
$42M2.0M0.05%Q1 202612
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$41M1.9M0.02%Q1 202613
BANK OF AMERICA CORP /DE/
CIK 0000070858
$41M1.9M0.00%Q1 202614
O'Connor Alternative Investments LLC
CIK 0002081629
$40M1.9M3.43%Q1 202615
Nuveen, LLC
CIK 0001871926
$39M1.8M0.01%Q1 202616
PERCEPTIVE ADVISORS LLC
CIK 0001224962
$38M1.8M0.74%Q1 202617
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$35M3.7M0.44%Q4 202518
ODDO BHF ASSET MANAGEMENT SAS
CIK 0001686970
$33M1.6M1.31%Q1 202619
SOROS FUND MANAGEMENT LLC
CIK 0001029160
$33M1.5M0.36%Q1 202620
First Trust Capital Management L.P.
CIK 0001604488
$32M1.5M1.69%Q1 2026
Page 1 of 11
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