Who owns FENNEC PHARMACEUTICALS INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of FENC from SEC Form 13F filings across 105 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 105 institutions disclosed 16.3M shares of FENNEC PHARMACEUTICALS INC. worth $175.1M — about 47.2% of shares outstanding; the largest disclosed holder is Rosalind Advisors, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
105
13F holders
$175.1M
value, 2026 filers
47.2%
of shares outstanding (16.3M sh)
25
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of FENC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Rosalind Advisors, Inc. | 3.2M | $34.3M | 12.7% | 9.2% | +9.6% |
| 2 | AIGH Capital Management LLC | 2.5M | $26.7M | 1.7% | 7.2% | +25.5% |
| 3 | Solas Capital Management, LLC | 1.9M | $20.3M | 10.9% | 5.5% | -23.9% |
| 4 | BlackRock, Inc. | 1.7M | $18.6M | 0.0% | 5% | +26.2% |
| 5 | AWM Investment Company, Inc. | 1.2M | $12.5M | 1.1% | 3.4% | +61.1% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 839,306 | $9.0M | 0.0% | 2.4% | -6.4% |
| 7 | Prospect Capital Advisors, LLCNEW | 497,800 | $5.4M | 2.4% | 1.4% | new |
| 8 | STATE STREET CORP | 426,004 | $4.6M | 0.0% | 1.2% | +18.6% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 402,566 | $4.3M | 0.0% | 1.2% | +8.3% |
| 10 | JANE STREET GROUP, LLCNEW | 233,877 | $2.5M | 0.0% | 0.7% | new |
| 11 | Potomac Capital Management, Inc. | 224,400 | $2.4M | 1.6% | 0.6% | 0.0% |
| 12 | MORGAN STANLEY | 221,920 | $2.4M | 0.0% | 0.6% | +5.1% |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | 199,998 | $2.1M | 0.0% | 0.6% | +18.7% |
| 14 | NORTHERN TRUST CORP | 167,922 | $1.8M | 0.0% | 0.5% | +10.4% |
| 15 | MARSHALL WACE, LLPNEW | 138,758 | $1.5M | 0.0% | 0.4% | new |
| 16 | RENAISSANCE TECHNOLOGIES LLCNEW | 134,200 | $1.4M | 0.0% | 0.4% | new |
| 17 | Nuveen, LLC | 131,482 | $1.4M | 0.0% | 0.4% | +115.7% |
| 18 | Trexquant Investment LP | 119,122 | $1.3M | 0.0% | 0.3% | +129.7% |
| 19 | CenterBook Partners LPNEW | 118,582 | $1.3M | 0.1% | 0.3% | new |
| 20 | Lion Point Capital, LP | 112,434 | $1.2M | 5.8% | 0.3% | 0.0% |
| 21 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 108,005 | $1.2M | 0.0% | 0.3% | +30.1% |
| 22 | Cornerstone Capital, Inc. | 105,000 | $1.1M | 0.1% | 0.3% | 0.0% |
| 23 | XTX Topco Ltd | 93,866 | $1.0M | 0.0% | 0.3% | +515.3% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 92,889 | $998,557 | 0.0% | 0.3% | +284.7% |
| 25 | WELLINGTON MANAGEMENT GROUP LLPNEW | 84,548 | $908,892 | 0.0% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.