TickerGuard
Buy Day today: Good (62) Broad market participation · no major macro event
GNLX

Genelux Corporation

Healthcare · Biotechnology

2.50$ +8.1% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Genelux Corporation (GNLX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 80.5% of the shares are freely tradable; institutional investors hold 30.7%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 30.7%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 12.5%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 80.5%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 8.6%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 45Mio.

Largest Shareholders

Institutions

Institutions GNLX
Name Stake (%) Shares Change (%) Date
WOODWARD DIVERSIFIED CAPITAL, LLC 5.00 2,262,108 +6.8 06/30/2026
Vanguard Capital Management, LLC 3.75 1,695,480 +0.0 03/31/2026
Bleichroeder LP 3.05 1,380,666 +93.4 03/31/2026
Geode Capital Management, LLC 1.00 453,761 +19.0 03/31/2026
BlackRock Inc 0.90 405,872 +5.3 03/31/2026
Bank of America Corp 0.72 323,865 -3.6 03/31/2026
F.L.Putnam Investment Management 0.62 280,904 -7.4 03/31/2026
Vanguard Fiduciary Trust Co 0.56 251,610 +0.0 03/31/2026

Funds

Funds GNLX
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 2.64 1,193,626 +0.0 07/31/2026
Vanguard Institutional Extnd Mkt Idx Tr 1.03 467,369 +0.0 07/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider holdings

Insider holdings GNLX
Person Role Shares Value As of Type
Zindrick Thomas President and CEO 1,226,427 3,066,068 $ Aug 31, 2026 direct
Cappello Joseph Chief Technical Officer 318,480 796,200 $ Aug 31, 2026 direct
Yu Yong Chief Scientific Officer 258,688 646,720 $ Aug 31, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Aug 31, 2026 Cappello Joseph Chief Technical Officer Sell 10,257 2.74 28,112
Aug 31, 2026 Zindrick Thomas President and CEO Sell 34,463 2.67 91,899
Aug 31, 2026 Yu Yong Chief Scientific Officer Sell 9,683 2.75 26,658
Aug 4, 2026 Yu Yong Chief Scientific Officer Sell 653 2.94 1,922
Aug 4, 2026 Cappello Joseph Chief Technical Officer Sell 653 2.95 1,924
Aug 4, 2026 Zindrick Thomas President and CEO Sell 3,023 2.95 8,905

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

Was this page helpful to you?