Bluejay Diagnostics, Inc.
BJDX- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001704287
No open-market purchases or sales by Bluejay Diagnostics, Inc. insiders were filed in the last 90 days; 8 institutions reported holding it in 13F filings for Q2 2026, worth $259.3K in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 13, 2026
- $2.92M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +2 vs. previous quarter
- 8
- 13F valueReported value at the end of Q2 2026
- $259.3K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- –
- No comparable prior period
- Net income, FY2025
- -$6.85M
- No comparable prior period
- Free cash flow, FY2025
- -$6.23M
- No comparable prior period
- Revenue, Q3 FY2026
- –
- No comparable prior period
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 77.9K
- Shares sold short
- Change
- −66.5K
- −46.1% vs. previous
- Days to cover
- 1.01
- At average daily volume
Superinvestors holding BJDX, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding BJDX at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Bluejay Diagnostics, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 13, 2026 (view filing)3:14 PM ET | Jul 9 | 4 days | HRT Financial LP10% Owner | PPurchase | +64.0K | $1.51 | +$96.7K | +101.7%127.0K after | |
| Jul 13, 2026 (view filing)3:14 PM ET | Jul 10 | 3 days | HRT Financial LP10% Owner | SSale | −34.9K | $1.40 | −$48.9K | −27.5%92.1K after | |
| May 18, 2026 (view filing) | Mar 14 | 65 daysLate | Wurth Douglas ClarkDirector | PPurchase | +12.5K | $2.00 | +$25.0K | +11,574.1%12.6K after | |
| May 18, 2026 (view filing) | Mar 14 | 65 daysLate | Dey IndranilPresident and CEO | PPurchase | +12.5K | $2.00 | +$25.0K | +56,818.2%12.5K after | |
| May 18, 2026 (view filing) | Mar 14 | 65 daysLate | Chase Donald RDirector | PPurchase | +12.5K | $2.00 | +$25.0K | +50,000.0%12.5K after | |
| May 18, 2026 (view filing) | Mar 14 | 65 daysLate | Zeidman Fred SDirector | PPurchase | +12.5K | $2.00 | +$25.0K | New position12.5K after | |
| May 18, 2026 (view filing) | Mar 14 | 65 daysLate | Dey SvetlanaDirector | PPurchase | +12.5K | $2.00 | +$25.0K | +1,250,000.0%12.5K after | |
| Dec 14, 2023 (view filing) | Dec 13 | 1 day | Dey SvetlanaDirector | PPurchase | +500 | $3.07 | +$1.53K | +50.0%1.50K after | |
| Dec 14, 2023 (view filing) | Dec 13 | 1 day | Dey IndranilPresident and CEO | PPurchase | +500 | $3.27 | +$1.64K | +1.8%28.5K after | |
| Mar 31, 2023 (view filing)1:46 PM ET | Mar 24 | 7 days | Dey SvetlanaDirector | PPurchase | +10.0K | $0.44 | +$4.40K | +26.7%47.5K after | Amended |
Top 10 13F holders, Q2 2026
See all 8 holdersThe largest institutional positions in Bluejay Diagnostics, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Armistice Capital, LLC | 131,000 | $157.2K | 0.00% | +131,000 | New |
| Heights Capital Management, Inc | 35,400 | $42.5K | 0.01% | +35,400 | New |
| Boothbay Fund Management, LLC | 27,130 | $32.6K | 0.00% | +27,130 | New |
| Bank of America Corp | 10,337 | $12.4K | 0.00% | +10,337 | New |
| Vanguard Fiduciary Trust Co | 10,225 | $12.3K | 0.00% | +10,225 | New |
| Tower Research Capital LLC (TRC) | 1,907 | $2.29K | 0.00% | +178+10.3% | Added |
| L1 Global Manager Pty Ltd | 120 | $144 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 1 | $1 | 0.00% | −2−66.7% | Reduced |
Holders of 5% or more of BJDX
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Bluejay Diagnostics, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Armistice Capital, LLC | 13G | 9.99%142.7K shares | +5.00 ppfrom 4.99% | Feb 14, 20246 filings | Aug 14, 2026 | SEC |
| Ayrton Capital LLC | 13G | 9.99%107.7K shares | New | Aug 13, 20261 filing | Aug 13, 2026 | SEC |