Co-Diagnostics

CODX · NASDAQ

$0.6473−$0.0187 (−2.81%)TodayMarket closed ·
Prev close $0.666

Who owns CODX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 11.8% of CODX’s shares.

  • Armistice Capital LLC4.5%
  • Jane Street Capital, L.L.C.1.7%
  • Orca Capital GmbH1.2%
  • Vanguard Capital Management, LLC1.1%
  • Next 6 largest institutions3.4%
  • All other shareholders88.2%
Top institutional holders of CODX
HolderShares% of shares
Armistice Capital LLC236.00K4.47%
Jane Street Capital, L.L.C.89.24K1.69%
Orca Capital GmbH62.86K1.19%
Vanguard Capital Management, LLC58.27K1.10%
Private Advisory Group LLC39.39K0.75%
Millennium Management LLC32.00K0.61%
Susquehanna International Group, LLP31.24K0.59%
Egan (Dwight H.)27.89K0.53%
Geode Capital Management, L.L.C.25.57K0.48%
Abbott (Richard David)23.11K0.44%

Largest mutual fund holders

Top mutual fund holders of CODX
HolderShares% of shares
Vanguard Extended Market Index Fund58.27K1.10%
Fidelity Extended Market Index Fund19.01K0.36%
Fidelity Series Total Market Index Fund6.57K0.12%
Fidelity Total Market Index Fund4.34K0.08%

Insider trades

Form 4 filings by officers, directors and large holders

Insiders made no open-market buys or sales of CODX in the last 6 months.

Latest CODX insider transactions
InsiderTypeSharesValue
Abbott Richard DavidOption exercise1.89K—
Abbott Richard DavidOther680$3.45K
Abbott Richard DavidAward1.89K—
Brown Brian LeeOption exercise3.75K—
Brown Brian LeeOther1.35K$6.84K
Brown Brian LeeAward3.75K—
Durenard EugeneOption exercise1.70K—
Durenard EugeneAward1.70K—
Murphy Edward L.Option exercise1.70K—
Murphy Edward L.Award1.70K—

Short interest

Settled Sep 30, 2026

Shares short
418.93K
Days to cover
1.19
% of shares outstanding
7.93%
Average daily volume
350.76K
Change since last report
+37.4%

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