BAY HARBOR ISLANDS, FL
FORTRESS BIOTECH, INC.FBIOP— Latest position per institution from SEC 13F filings
15
Institutional holders
11.21M
Total shares held
23.95M
Estimated value
560.56K
Avg. position size
PERKINS CAPITAL MANAGEMENT INC
CIK 884300
Shares
1.41M
Value
408.00
Filed
Sep 30, 2023
VANGUARD GROUP INC
CIK 102909
Shares
1.10M
Value
4.03M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.04M
Value
3.17M
Filed
Jun 30, 2026
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CIK 1419186
Shares
1M
Value
1.57K
Filed
Mar 31, 2025
OPALEYE MANAGEMENT INC.
CIK 1595855
Shares
890K
Value
2.72M
Filed
Jun 30, 2026
CVI HOLDINGS, LLC
CIK 1728194
Shares
764.55K
Value
2.30M
Filed
Dec 31, 2023
ARMISTICE CAPITAL, LLC
CIK 1601086
Shares
596K
Value
1.79M
Filed
Dec 31, 2023
MACKENZIE FINANCIAL CORP
CIK 919859
Shares
555.68K
Value
1.70M
Filed
Jun 30, 2026
ROSALIND ADVISORS, INC.
CIK 1622627
Shares
502.83K
Value
726.59K
Filed
Sep 30, 2024
GSA CAPITAL PARTNERS LLP
CIK 1362033
Shares
458.47K
Value
1.40K
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
448.80K
Value
1.37M
Filed
Jun 30, 2026
ALTIUM CAPITAL MANAGEMENT LLC
CIK 1746382
Shares
405.12K
Value
1.22M
Filed
Dec 31, 2023
HUDSON BAY CAPITAL MANAGEMENT LP
CIK 1393825
Shares
327.24K
Value
984.98K
Filed
Dec 31, 2023
NANTAHALA CAPITAL MANAGEMENT, LLC
CIK 1472322
Shares
325.52K
Value
605.47K
Filed
Jun 30, 2025
SHIKIAR ASSET MANAGEMENT INC
CIK 1058022
Shares
305.47K
Value
654.00
Filed
Sep 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
300.52K
Value
919.94K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
224.78K
Value
687.83K
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
213.79K
Value
654.18K
Filed
Jun 30, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
177.37K
Value
542.75K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
166.37K
Value
509.10K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | PERKINS CAPITAL MANAGEMENT INC | 884300 | 1.41M | 408.00 | Sep 30, 2023 |
| 2 | VANGUARD GROUP INC | 102909 | 1.10M | 4.03M | Dec 31, 2025 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.04M | 3.17M | Jun 30, 2026 |
| 4 | CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. | 1419186 | 1M | 1.57K | Mar 31, 2025 |
| 5 | OPALEYE MANAGEMENT INC. | 1595855 | 890K | 2.72M | Jun 30, 2026 |
| 6 | CVI HOLDINGS, LLC | 1728194 | 764.55K | 2.30M | Dec 31, 2023 |
| 7 | ARMISTICE CAPITAL, LLC | 1601086 | 596K | 1.79M | Dec 31, 2023 |
| 8 | MACKENZIE FINANCIAL CORP | 919859 | 555.68K | 1.70M | Jun 30, 2026 |
| 9 | ROSALIND ADVISORS, INC. | 1622627 | 502.83K | 726.59K | Sep 30, 2024 |
| 10 | GSA CAPITAL PARTNERS LLP | 1362033 | 458.47K | 1.40K | Jun 30, 2026 |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 448.80K | 1.37M | Jun 30, 2026 |
| 12 | ALTIUM CAPITAL MANAGEMENT LLC | 1746382 | 405.12K | 1.22M | Dec 31, 2023 |
| 13 | HUDSON BAY CAPITAL MANAGEMENT LP | 1393825 | 327.24K | 984.98K | Dec 31, 2023 |
| 14 | NANTAHALA CAPITAL MANAGEMENT, LLC | 1472322 | 325.52K | 605.47K | Jun 30, 2025 |
| 15 | SHIKIAR ASSET MANAGEMENT INC | 1058022 | 305.47K | 654.00 | Sep 30, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 300.52K | 919.94K | Jun 30, 2026 |
| 17 | BLACKROCK, INC. | 2012383 | 224.78K | 687.83K | Jun 30, 2026 |
| 18 | TWO SIGMA INVESTMENTS, LP | 1179392 | 213.79K | 654.18K | Jun 30, 2026 |
| 19 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 177.37K | 542.75K | Jun 30, 2026 |
| 20 | VANGUARD FIDUCIARY TRUST CO | 933478 | 166.37K | 509.10K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.