RESEARCH TRIANGLE PARK, NC
FENNEC PHARMACEUTICALS INC.FENC— Latest position per institution from SEC 13F filings
15
Institutional holders
23.72M
Total shares held
139.24M
Estimated value
1.19M
Avg. position size
ROSALIND ADVISORS, INC.
CIK 1622627
Shares
2.91M
Value
17.89M
Filed
Mar 31, 2026
SOUTHPOINT CAPITAL ADVISORS LP
CIK 1319998
Shares
2.74M
Value
16.88M
Filed
Mar 31, 2026
SOLAS CAPITAL MANAGEMENT, LLC
CIK 1604867
Shares
2.48M
Value
15.27M
Filed
Mar 31, 2026
SONIC FUND II, L.P.
CIK 1771377
Shares
2.41M
Value
19.50K
Filed
Sep 30, 2022
SONIC GP LLC
CIK 1964290
Shares
2.41M
Value
15.21M
Filed
Dec 31, 2024
AIGH CAPITAL MANAGEMENT LLC
CIK 1835943
Shares
1.98M
Value
12.19M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
1.37M
Value
8.41M
Filed
Mar 31, 2026
AVORO CAPITAL ADVISORS LLC
CIK 1633313
Shares
1.20M
Value
13.46M
Filed
Dec 31, 2023
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.19M
Value
7.25M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
1.07M
Value
8.22M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
897.14K
Value
5.52M
Filed
Mar 31, 2026
AWM INVESTMENT COMPANY, INC.
CIK 1535264
Shares
720.13K
Value
4.43M
Filed
Mar 31, 2026
CAPTION MANAGEMENT, LLC
CIK 1706766
Shares
372.60K
Value
3.02K
Filed
Sep 30, 2022
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
371.74K
Value
2.29M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
359.06K
Value
2.21M
Filed
Mar 31, 2026
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
334.59K
Value
3.13M
Filed
Sep 30, 2025
OPALEYE MANAGEMENT INC.
CIK 1595855
Shares
272.20K
Value
2.61M
Filed
Dec 31, 2022
POTOMAC CAPITAL MANAGEMENT, INC.
CIK 1418746
Shares
224.40K
Value
1.38M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
211.11K
Value
1.30M
Filed
Mar 31, 2026
APIS CAPITAL ADVISORS, LLC
CIK 1386892
Shares
204K
Value
1.57M
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | ROSALIND ADVISORS, INC. | 1622627 | 2.91M | 17.89M | Mar 31, 2026 |
| 2 | SOUTHPOINT CAPITAL ADVISORS LP | 1319998 | 2.74M | 16.88M | Mar 31, 2026 |
| 3 | SOLAS CAPITAL MANAGEMENT, LLC | 1604867 | 2.48M | 15.27M | Mar 31, 2026 |
| 4 | SONIC FUND II, L.P. | 1771377 | 2.41M | 19.50K | Sep 30, 2022 |
| 5 | SONIC GP LLC | 1964290 | 2.41M | 15.21M | Dec 31, 2024 |
| 6 | AIGH CAPITAL MANAGEMENT LLC | 1835943 | 1.98M | 12.19M | Mar 31, 2026 |
| 7 | BLACKROCK, INC. | 2012383 | 1.37M | 8.41M | Mar 31, 2026 |
| 8 | AVORO CAPITAL ADVISORS LLC | 1633313 | 1.20M | 13.46M | Dec 31, 2023 |
| 9 | BLACKROCK FINANCE, INC. | 1364742 | 1.19M | 7.25M | Jun 30, 2024 |
| 10 | VANGUARD GROUP INC | 102909 | 1.07M | 8.22M | Dec 31, 2025 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 897.14K | 5.52M | Mar 31, 2026 |
| 12 | AWM INVESTMENT COMPANY, INC. | 1535264 | 720.13K | 4.43M | Mar 31, 2026 |
| 13 | CAPTION MANAGEMENT, LLC | 1706766 | 372.60K | 3.02K | Sep 30, 2022 |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 371.74K | 2.29M | Mar 31, 2026 |
| 15 | STATE STREET CORP | 93751 | 359.06K | 2.21M | Mar 31, 2026 |
| 16 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 334.59K | 3.13M | Sep 30, 2025 |
| 17 | OPALEYE MANAGEMENT INC. | 1595855 | 272.20K | 2.61M | Dec 31, 2022 |
| 18 | POTOMAC CAPITAL MANAGEMENT, INC. | 1418746 | 224.40K | 1.38M | Mar 31, 2026 |
| 19 | MORGAN STANLEY | 895421 | 211.11K | 1.30M | Mar 31, 2026 |
| 20 | APIS CAPITAL ADVISORS, LLC | 1386892 | 204K | 1.57M | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.