FENC · NASDAQ · Biotechnology

Fennec Pharmaceuticals (FENC)

Commercializes PEDMARK for pediatric cisplatin-related hearing-loss protection.

$12.33
At close+0.29 (+2.45%)

Breakdown13F · 13D/G · Form 4

Institutions108 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail≈ 46.73%16.39M shares
Insiders8 holders · as of Sep 1, 20267.22%2.53M shares
Strategic holders1 holder · as of Jan 14, 20267.83%2.74M shares
Otherremainder≈ 38.22%13.40M shares

35.07M company shares as of Sep 3, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Rosalind Advisors, Inc.Institution
9.09%3.19M13Fas of Jun 30, 2026
Southpoint Master Fund, LP1Strategic10 percent owner
7.83%2.74M13Gfiled Jan 14, 2026
Sonic Fund II, L.P.Institution
7.44%2.61M13Gfiled Feb 17, 2026
Aigh Capital Management LLCInstitution
7.09%2.49M13Fas of Jun 30, 2026
Orin HirschmanInsider
5.65%1.98M13Gfiled Apr 28, 2026
Solas Capital Management, LLCInstitution
5.39%1.89M13Fas of Jun 30, 2026
BlackRock, Inc.Institution
4.93%1.73M13Fas of Jun 30, 2026
Awm Investment Company, Inc.Institution
3.31%1.16M13Fas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
2.39%839,30613Fas of Jun 30, 2026
Prospect Capital Advisors, LLCInstitution
1.42%497,80013Fas of Jun 30, 2026
State Street CorpInstitution
1.21%426,00413Fas of Jun 30, 2026
Geode Capital Management, LLCInstitution
1.15%402,56613Fas of Jun 30, 2026
Robert AndradeInsiderofficer: CHIEF FINANCIAL OFFICER
0.69%241,306Form 4filed Aug 31, 2026
Jane Street Group, LLCInstitution
0.67%233,87713Fas of Jun 30, 2026
Potomac Capital Management, Inc.Institution
0.64%224,40013Fas of Jun 30, 2026
Morgan StanleyInstitution
0.63%221,92013Fas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
0.57%199,99813Fas of Jun 30, 2026
Northern Trust CorpInstitution
0.48%167,92213Fas of Jun 30, 2026
Marshall Wace, LLPInstitution
0.40%138,75813Fas of Jun 30, 2026
Renaissance Technologies LLCInstitution
0.38%134,20013Fas of Jun 30, 2026
Nuveen, LLCInstitution
0.37%131,48213Fas of Jun 30, 2026
Rosty RaykovInsiderother: Former Director
0.35%124,411Form 4filed Sep 1, 2026
Trexquant Investment LPInstitution
0.34%119,12213Fas of Jun 30, 2026
Centerbook Partners LPInstitution
0.34%118,58213Fas of Jun 30, 2026
Lion Point Capital, LPInstitution
0.32%112,43413Fas of Jun 30, 2026
  1. Southpoint Master Fund, LP's own ownership statement (13G, Jan 14, 2026) reports fewer shares than the transaction reports; the statement is used.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Jun 30, 2026

108 holders · 16.39M shares · 27 new positions · 73 increased · 17 reduced · 10 closed

HolderShares% outstandingChg q/qFiled
Rosalind Advisors, Inc.3.19M9.09%+279.8KAug 14, 2026
Aigh Capital Management LLC2.49M7.09%+504.5KAug 7, 2026
Solas Capital Management, LLC1.89M5.39%−592.8KAug 14, 2026
BlackRock, Inc.1.73M4.93%+358.9KAug 7, 2026
Awm Investment Company, Inc.1.16M3.31%+440.2KAug 14, 2026
Vanguard Capital Management LLC839.3K2.39%−57.8KAug 13, 2026
Prospect Capital Advisors, LLC497.8K1.42%+497.8KnewAug 14, 2026
State Street Corp426.0K1.21%+66.9KAug 7, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Rosalind Advisors, Inc.8.80%3.04M13GMay 14, 2026
Southpoint Master Fund, LP8.00%2.74M13GJan 14, 2026
Sonic Fund II, L.P.7.60%2.61M13GFeb 17, 2026
Solas Capital Management, LLC7.20%2.48M13GMay 15, 2026
Orin Hirschman5.70%1.98M13GApr 28, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Sep 1, 2026
Rosty Raykovother: Former Director
Sale10,000$12.11124,411
Aug 31, 2026
Pierre Sargis Sayadofficer: Chief Medical Officer
Sale12,000$12.189,519
Aug 27, 2026
Robert Andradeofficer: CHIEF FINANCIAL OFFICER
Sale75,000$11.78217,675
Aug 3, 2026
Rosty Raykovother: Former Director
Sale10,000$9.58131,633
Jul 1, 2026
Rosty Raykovother: Former Director
Sale9,599$10.41138,855
Jun 1, 2026
Rosty Raykovdirector
Sale9,747$9.62130,079
May 11, 2026
Chris A. Rallisdirector
Sale8,346$7.0463,077
May 1, 2026
Rosty Raykovdirector
Sale10,781$6.47121,451
Apr 1, 2026
Rosty Raykovdirector
Sale10,946$6.31113,856
Mar 2, 2026
Rosty Raykovdirector
Sale10,079$8.36103,996

CongressHouse and Senate disclosures

Not reported.