Bluejay Diagnostics

BJDX · NASDAQ

$0.6705−$0.0185 (−2.69%)TodayMarket closed ·
Prev close $0.689

Who owns BJDX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 36.7% of BJDX’s shares.

  • Armistice Capital LLC12.7%
  • Ayrton Capital LLC6.3%
  • Dey (Indranil)3.9%
  • Heights Capital Management, Inc.3.4%
  • Next 6 largest institutions10.3%
  • All other shareholders63.3%
Top institutional holders of BJDX
HolderShares% of shares
Armistice Capital LLC131.00K12.72%
Ayrton Capital LLC65.00K6.31%
Dey (Indranil)40.52K3.93%
Heights Capital Management, Inc.35.40K3.44%
HRT Financial LP29.11K2.83%
Boothbay Fund Management, LLC27.13K2.63%
Wurth (Douglas Clark)12.60K1.22%
Chase (Donald R)12.52K1.22%
Dey (Svetlana)12.50K1.21%
Zeidman (Frederick Schwartz)12.50K1.21%

Largest mutual fund holders

Top mutual fund holders of BJDX
HolderShares% of shares
Fidelity Extended Market Index Fund5.67K0.55%
Fidelity Series Total Market Index Fund1830.02%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $96.71K (1 trade) and sold $48.91K (1 trade) of BJDX on the open market.

Latest BJDX insider transactions
InsiderTypeSharesValue
ZEIDMAN FRED SAward100.00K—
Wurth Douglas ClarkAward100.00K—
Dey SvetlanaAward100.00K—
Dey IndranilAward28.00K—
CHASE DONALD RAward100.00K—
HRT FINANCIAL LPSale34.94K$48.91K
HRT FINANCIAL LPBuy64.05K$96.71K

Short interest

Settled Sep 30, 2026

Shares short
143.74K
Days to cover
1.00
% of shares outstanding
13.96%
Average daily volume
728.41K
Change since last report
+9.3%

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