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

PHIO PHARMACEUTICALS CORP

22 institutions still hold PHIO PHARMACEUTICALS CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 71880W501·22 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$734K
visible holders
Holders
22
filers reporting
Concentration
24.46%
GEODE CAPITAL MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q1 2026

22 institutions reported PHIO in Q1 2026. GEODE CAPITAL MANAGEMENT, LLC leads at 24.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$180K147K0.00%Q1 202602
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$145K119K0.00%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$97K80K0.00%Q1 202604
Cetera Investment Advisers
CIK 0001666741
$55K45K0.00%Q1 202605
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$47K38K0.00%Q1 202606
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$40K32K0.00%Q1 202607
UBS Group AG
CIK 0001610520
$33K27K0.00%Q1 202608
XTX Topco Ltd
CIK 0001828301
$30K25K0.00%Q1 202609
NORTHERN TRUST CORP
CIK 0000073124· Index
$29K24K0.00%Q1 202610
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$24K20K0.00%Q1 202611
TWO SIGMA SECURITIES, LLC
CIK 0001450144· Market maker
$19K15K0.00%Q1 202612
CAPTRUST FINANCIAL ADVISORS
CIK 0001512024
$12K10K0.00%Q1 202613
Tower Research Capital LLC (TRC)
CIK 0001533421
$9K8K0.00%Q1 202614
MORGAN STANLEY
CIK 0000895421
$7K6K0.00%Q1 202615
OSAIC HOLDINGS, INC.
CIK 0001677044
$2K2K0.00%Q1 202616
Spire Wealth Management
CIK 0001858740
$2K2K0.00%Q2 202617
SBI Securities Co., Ltd.
CIK 0001851815
$1K1K0.00%Q2 202618
CITIGROUP INC
CIK 0000831001
$1K1K0.00%Q1 202619
ASSETMARK, INC
CIK 0001344551
$1161100.00%Q4 202520
Activest Wealth Management
CIK 0001883134
$990.00%Q2 2026
Page 1 of 2
2 more holders available. Log in →
Insiders at PHIO PHARMACEUTICALS CORP
Bitterman Robert J →Bradford Patricia A →Carson Lisa Cabott →Deming David H →Freeman Jonathan E →Lockshin Curtis →Ferrara Robert L →Infarinato Robert M. →