8 institutions reported holding $634,206 of DEFSEC TECHNOLOGIES INC (DFSC) in SEC 13F filings for 2026-06-30. Largest institutional holders: ARMISTICE CAPITAL, LLC ($551,540), JANE STREET GROUP, LLC ($38,157), UBS Group AG ($36,495), NATIONAL BANK OF CANADA /FI/ ($6,744), HARBOUR INVESTMENTS, INC. ($759). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | ARMISTICE CAPITAL, LLC | $551,540 | 218,000 | New |
| 2 | JANE STREET GROUP, LLC | $38,157 | 15,082 | New |
| 3 | UBS Group AG | $36,495 | 14,425 | Added |
| 4 | NATIONAL BANK OF CANADA /FI/ | $6,744 | 3,232 | New |
| 5 | HARBOUR INVESTMENTS, INC. | $759 | 300 | Hold |
| 6 | OSAIC HOLDINGS, INC. | $506 | 200 | Hold |
| 7 | Caitong International Asset Management Co., Ltd | $5 | 2 | New |
| 8 | HRT FINANCIAL LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30