13F Insight
DOSSIER · 13F Holders · Q1 2026BellwetherCompounder
PYXS

PYXIS ONCOLOGY INC

81 institutions still hold PYXIS ONCOLOGY INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 747324101·81 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 6.8%
vs prior quarter
13F value held
$38M
77.0% inst. owned
of float
Holders
81
-23 QoQ
filers reporting
Activity
+76 / −78
+860 added · −760 reduced
this quarter
Concentration
24.28%
PFIZER INC #1
top holder share
AI Holders Summary · Q1 2026

81 institutions reported PYXS in Q1 2026. PFIZER INC leads at 24.3% of the visible book. -23 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
PFIZER INC
CIK 0000078003
$9M7.0M3.86%Q1 202602
Laurion Capital Management LP
CIK 0001390202
$7M5.0M0.32%Q1 202603
GordonMD Global Investments LP
CIK 0002039349
$6M4.1M4.19%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$3M2.0M0.00%Q1 202605
Atle Fund Management AB
CIK 0001381843
$2M197K0.52%Q1 202606
Palo Alto Investors LP
CIK 0001306923
$1M1.0M0.23%Q1 202607
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$1M889K0.00%Q1 202608
BlackRock, Inc.
CIK 0002012383
$1M789K0.00%Q1 202609
683 Capital Management, LLC
CIK 0001404574
$1M892K0.04%Q4 202510
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$873,815598K0.00%Q1 202611
Longaeva Partners L.P.
CIK 0002054122
$734,692503K0.03%Q1 202612
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$673,056461K0.00%Q1 202613
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$580,533398K0.00%Q1 202614
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$481,740330K0.00%Q1 202615
Decheng Capital LLC
CIK 0002010850
$477,143327K0.07%Q1 202616
MARSHALL WACE, LLP
CIK 0001318757
$448,229390K0.00%Q4 202517
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$439,310301K0.00%Q1 202618
CITADEL ADVISORS LLC
CIK 0001423053
$434,917378K0.00%Q4 202519
UBS Group AG
CIK 0001610520
$371,021254K0.00%Q1 202620
STATE STREET CORP
CIK 0000093751
$363,302249K0.00%Q1 2026
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