13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield
FENC

FENNEC PHARMACEUTICALS INC

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

CUSIP 31447P100·97 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.6%
vs prior quarter
13F value held
$110M
46.0% inst. owned
of float
Holders
97
+113 QoQ
filers reporting
Activity
+92 / −18
+1,009 added · −781 reduced
this quarter
Concentration
16.29%
Rosalind Advisors, Inc. #1
top holder share
AI Holders Summary · Q1 2026

97 institutions reported FENC in Q1 2026. Rosalind Advisors, Inc. leads at 16.3% of the visible book. +113 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Rosalind Advisors, Inc.
CIK 0001622627
$18M2.9M7.19%Q1 202602
Southpoint Capital Advisors LP
CIK 0001319998
$17M2.7M0.35%Q1 202603
Solas Capital Management, LLC
CIK 0001604867
$15M2.5M8.78%Q1 202604
Sonic GP LLC
CIK 0001964290
$15M2.4M33.54%Q4 202405
AIGH Capital Management LLC
CIK 0001835943
$12M2.0M1.66%Q1 202606
BlackRock, Inc.
CIK 0002012383
$8M1.4M0.00%Q1 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$6M897K0.00%Q1 202608
AWM Investment Company, Inc.
CIK 0001535264
$4M720K0.49%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$2M372K0.00%Q1 202610
STATE STREET CORP
CIK 0000093751
$2M359K0.00%Q1 202611
CITADEL ADVISORS LLC
CIK 0001423053
$2M200K0.00%Q4 202512
Potomac Capital Management, Inc.
CIK 0001418746
$1M224K1.20%Q1 202613
MORGAN STANLEY
CIK 0000895421
$1M211K0.00%Q1 202614
Vanguard Portfolio Management
CIK 0002100121
$1M168K0.00%Q1 202615
MARSHALL WACE, LLP
CIK 0001318757
$983,236128K0.00%Q4 202516
NORTHERN TRUST CORP
CIK 0000073124· Index
$935,556152K0.00%Q1 202617
Lion Point Capital, LP
CIK 0001643354
$691,469112K4.13%Q1 202618
Cornerstone Capital, Inc.
CIK 0000819535
$645,750105K0.06%Q1 202619
GENDELL JEFFREY L
CIK 0001056581
$510,59783K0.01%Q1 202620
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$510,48183K0.01%Q1 2026
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