BJDX: Bluejay Diagnostics, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | New 13G stake | Armistice Capital, LLC | 9.99% | SEC | |
| 2026-08-13 | New 13G stake | Ayrton Capital LLC | 9.99% | SEC |
Institutional ownership (Q2 2026)
8 institutions reported holding $259K of Bluejay Diagnostics, Inc. on Form 13F (6 the quarter before). 5 opened a new position and 3 sold out. Shares held by institutions: +267%.
| Largest holders | Shares | Value |
|---|---|---|
| ARMISTICE CAPITAL, LLC | 131,000 | $157K |
| HEIGHTS CAPITAL MANAGEMENT, INC | 35,400 | $42K |
| BOOTHBAY FUND MANAGEMENT, LLC | 27,130 | $33K |
| BANK OF AMERICA CORP /DE/ | 10,337 | $12K |
| VANGUARD FIDUCIARY TRUST CO | 10,225 | $12K |
| Tower Research Capital LLC (TRC) | 1,907 | $2K |
| L1 Global Manager Pty Ltd | 120 | $144 |
| Caitong International Asset Management Co., Ltd | 1 | $1 |
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