Bluejay Diagnostics, Inc.
BJDX- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001704287
In the last 90 days, Bluejay Diagnostics, Inc. insiders filed 1 open-market purchase and 1 sale; 8 institutions reported holding it in 13F filings for Q2 2026, worth $259.3K in total; no superinvestor holds it.
Holders of 5% or more of BJDX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bluejay Diagnostics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Intracoastal Capital, LLC | 13G | 9.99%177.6K shares | New | Oct 16, 20251 filing | Oct 16, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Bluejay Diagnostics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 16, 20254:50 PM ET | Intracoastal Capital, LLCand 2 others | 13G | 9.99%177.6K shares | New | Oct 10, 2025 | SEC |
| Feb 14, 20254:59 PM ET | L1 Capital Global Opportunities Master Fund, Ltd. | 13G/A | 0.82%221.3K shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 14, 202511:48 AM ET | Anson Funds Management LPand 5 others | 13G/A | 1.40%367.9K shares | –Below 5% | Dec 31, 2024 | SEC |
| Jan 3, 20253:31 PM ET | Sabby Management, LLCand 2 others | 13G/A | 4.90%27.6K shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Bluejay Diagnostics, Inc. shares.
No Form 144 notices for Bluejay Diagnostics, Inc. are on file.