13F Insight
DOSSIER · 13F Holders · Q1 2026
LITS

MEI PHARMA INC

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

CUSIP 55279B301·41 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$9M
visible holders
Holders
41
filers reporting
Concentration
21.31%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q1 2026

41 institutions reported LITS in Q1 2026. RENAISSANCE TECHNOLOGIES LLC leads at 21.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M1.7M0.00%Q1 202602
CITADEL ADVISORS LLC
CIK 0001423053
$2M1.4M0.00%Q4 202503
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1M1.0M0.00%Q1 202604
MARSHALL WACE, LLP
CIK 0001318757
$1M759K0.00%Q4 202505
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$713K614K0.00%Q1 202606
NewGen Equity Long/Short Fund
CIK 0001774035
$627K300K0.17%Q3 202507
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$466K401K0.00%Q1 202608
TWO SIGMA ADVISERS, LP
CIK 0001478735
$270K204K0.00%Q4 202509
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$225K194K0.00%Q1 202610
BlackRock, Inc.
CIK 0002012383
$183K158K0.00%Q1 202611
XTX Topco Ltd
CIK 0001828301
$158K136K0.00%Q1 202612
STATE STREET CORP
CIK 0000093751
$133K115K0.00%Q1 202613
Quadrature Capital Ltd
CIK 0001651424
$112K85K0.00%Q4 202514
NORTHERN TRUST CORP
CIK 0000073124· Index
$93K80K0.00%Q1 202615
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$93K80K0.00%Q1 202616
MORGAN STANLEY
CIK 0000895421
$83K71K0.00%Q1 202617
ADAR1 Capital Management, LLC
CIK 0001940272
$78K67K0.00%Q1 202618
UBS Group AG
CIK 0001610520
$60K51K0.00%Q1 202619
HRT FINANCIAL LP
CIK 0001475597
$42K32K0.00%Q4 202520
Delaware Management Holdings, Inc.
CIK 0000921739
$35K30K0.00%Q1 2026
Page 1 of 3
21 more holders available. Log in →
Insiders at MEI PHARMA INC
Flynn James P →Schornstein Alexander →Glover Nicholas →Riezman Joshua →File Justin J. →Driscoll Frederick W →Lee Charles Benjamin →Blakestad Rodney Alan →