Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in FENC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Rosalind Advisors, Inc. | 2.9M | $17.9M | +11.3% | 10.176% | 7.33% |
| 2 | Southpoint Capital Advisors LP | 2.7M | $16.9M | 0.0% | 9.604% | 0.35% |
| 3 | Solas Capital Management, LLC | 2.5M | $15.3M | -3.1% | 8.685% | 8.78% |
| 4 | AIGH Capital Management LLC | 2.0M | $12.2M | +25.3% | 6.933% | 2.50% |
| 5 | BlackRock, Inc. | 1.4M | $8.4M | +10.8% | 4.787% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 897K | $5.5M | β | 3.139% | 0.00% |
| 7 | AWM Investment Company, Inc. | 720K | $4.4M | +1.2% | 2.520% | 0.49% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 372K | $2.3M | +25.1% | 1.301% | 0.00% |
| 9 | STATE STREET CORP | 359K | $2.2M | +1.8% | 1.256% | 0.00% |
| 10 | Potomac Capital Management, Inc. | 224K | $1.4M | +136.0% | 0.785% | 1.20% |
| 11 | MORGAN STANLEY | 211K | $1.3M | -12.9% | 0.739% | 0.00% |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | 168K | $1.0M | β | 0.590% | 0.00% |
| 13 | CITADEL ADVISORS LLC | 154K | $945K | -23.1% | 0.537% | 0.00% |
| 14 | NORTHERN TRUST CORP | 152K | $936K | +35.7% | 0.532% | 0.00% |
| 15 | Lion Point Capital, LP | 112K | $691K | 0.0% | 0.393% | 4.13% |
| 16 | Cornerstone Capital, Inc. | 105K | $646K | β | 0.367% | 0.06% |
| 17 | GENDELL JEFFREY L | 83K | $511K | -40.5% | 0.290% | 0.01% |
| 18 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 83K | $510K | 0.0% | 0.290% | 0.01% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 64K | $391K | +11.0% | 0.222% | 0.00% |
| 20 | Nuveen, LLC | 61K | $375K | +134.4% | 0.213% | 0.00% |
| 21 | Squarepoint Ops LLC | 57K | $348K | +331.1% | 0.198% | 0.00% |
| 22 | GOLDMAN SACHS GROUP INC | 56K | $342K | +27.7% | 0.195% | 0.00% |
| 23 | Eleva Capital SAS | 53K | $327K | β | 0.186% | 0.10% |
| 24 | Bank of New York Mellon Corp | 52K | $323K | +6.6% | 0.184% | 0.00% |
| 25 | Trexquant Investment LP | 52K | $319K | +0.9% | 0.181% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in FENC β a direct measure of their conviction.
Filings activity in FENC during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new FENC position in Q1 2026
Institutions that fully closed their FENC position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 88 | 7.4% | 38.53% | 7.86 pp | $99M | 17% |
| Q4 2025 | 95 | +14% | 46.39% | 3.89 pp | $119M | 7.7% |
| Q3 2025 | 83 | +6.4% | 50.28% | +6.71 pp | $129M | +15% |
| Q2 2025 | 78 | +13% | 43.57% | +11.88 pp | $112M | +38% |
| Q1 2025 | 69 | +6.2% | 31.69% | 7.63 pp | $82M | 19% |
| Q4 2024 | 65 | +1.6% | 39.32% | +10.43 pp | $101M | +36% |
| Q3 2024 | 64 | 1.5% | 28.89% | 5.02 pp | $74M | 15% |
| Q2 2024 | 65 | β | 33.91% | β | $87M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying FENC stock.
Based on Q1 2026 13F filings, institutional ownership of Fennec Pharmaceuticals Inc. stands at 38.5%, held across 88 reporting institutions.
Rosalind Advisors, Inc. is the largest reported institutional holder of FENC, with approximately 2,908,201 shares worth $0.02B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of FENC, including CITADEL ADVISORS LLC.
Our composite Smart Money Score for FENC is 32 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
16 institutions opened new positions in FENC during Q1 2026, while 23 fully exited. 20 added to existing positions and 51 trimmed.
FENC institutional ownership fell by 7.86 percentage points quarter-over-quarter, with a net change of -7 holders.
The top 10 institutions account for 87.2% of all reported 13F value in FENC, and the top 25 account for 96.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Fennec Pharmaceuticals Inc. (FENC) Institutional Ownership