BJDX
Bluejay Diagnostics, Inc.
Surgical & Medical Instruments & ApparatusNasdaq<br>Emerging growth company
Total Trades
7
Buys
7
Sells
0
Largest Trade
$50K–$100K
Insiders
4
Institutional Funds
3
Inst. Value
$15K–$50K
Activist Filings
7
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Fisher Kenneth R | CFO | BUY | $15K–$50K | 20K | $1.03 | Sep 7, 2022 |
| Fisher Kenneth R | CFO | BUY | $15K–$50K | 20K | $0.99 | Apr 27, 2022 |
| Kinder Gordon Winston | CFO | BUY | $1K–$15K | 3K | $1.16 | Mar 21, 2022 |
| Dey Svetlana | Director | BUY | $1K–$15K | 10K | $1.18 | Mar 21, 2022 |
| Wurth Douglas Clark | Director | BUY | $15K–$50K | 40K | $1.18 | Mar 18, 2022 |
| Wurth Douglas Clark | Director | BUY | $50K–$100K | 60K | $1.09 | Mar 17, 2022 |
| Kinder Gordon Winston | CFO | BUY | $15K–$50K | 16K | $0.97 | Mar 17, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 3 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 32K | $15K–$50K | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 10K | $1K–$15K | SH |
| L1 Global Manager Pty Ltd | 483 | <$1K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 18, 2026
10.0%
194K shares
SC 13G · Feb 18, 2026
10.0%
194K shares
SC 13G/A · Feb 13, 2026
5.0%
92K shares
SC 13G · Oct 16, 2025
10.0%
178K shares
SC 13G/A · Jan 3, 2025
4.9%
28K shares
Sabby Volatility Warrant Master Fund, Ltd.
SC 13G · Jan 3, 2024
10.0%
178K shares
Sabby Volatility Warrant Master Fund, Ltd.
SC 13G/A · Jan 4, 2022
5.0%
973K shares