// company-profile
Bluejay Diagnostics, Inc.
BJDXExchangeNasdaqSectorSurgical & Medical Instruments & ApparatusInc.DEFilings7Insiders5
// api This Bluejay Diagnostics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for BJDX in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Bluejay Diagnostics, Inc. as of 2026-03-31
Total reported AUM
$108,244
QoQ change
—
Reporting period
2026-03-31
#1
SABBY MANAGEMENT, LLC
CIK 1535610
$52,856
29K shares
#2
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
$51,753
28K shares
#3
Tower Research Capital LLC (TRC)
CIK 1533421
$3,181
2K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 14, 2026 | CHASE DONALD R | BJDX | Purchase | 12,500 | $2.00 | $25K |
| Mar 14, 2026 | ZEIDMAN FRED S | BJDX | Purchase | 12,500 | $2.00 | $25K |
| Mar 14, 2026 | Dey Indranil | BJDX | Purchase | 12,500 | $2.00 | $25K |
| Mar 14, 2026 | Wurth Douglas Clark | BJDX | Purchase | 12,500 | $2.00 | $25K |
| Mar 14, 2026 | Dey Svetlana | BJDX | Purchase | 12,500 | $2.00 | $25K |
2 more transactions hidden
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