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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.

Q4 2025 vs. Q3 2025

How the institutions holding Bluejay Diagnostics, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of BJDX: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders49+5
Shares93.9K168.4K+74.6K (+79.5%)
Value$142.7K$112.3K−$30.4K (−21.3%)

New holders (7)

Institutions that held Bluejay Diagnostics, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to BJDX in Q4 2025
InstitutionSharesValue% of portfolio
Armistice Capital, LLC65,000$43.4K0.00%
Citadel Advisors LLC41,794$27.9K0.00%
Renaissance Technologies LLC32,100$21.4K0.00%
Two Sigma Securities, LLC14,351$9.57K0.00%
Geode Capital Management, LLC10,256$6.84K0.00%
L1 Global Manager Pty Ltd483$2260.00%
Meteora Capital, LLC1$10.00%

Sold out (2)

Institutions that held Bluejay Diagnostics, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of BJDX in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
DRW Securities, LLC59,767$90.8K
Sabby Management, LLC29,628$45.0K