Vault-13

GENELUX CORPORATION GNLX

COM · Common Stock · CUSIP 36870H103

72 institutional holders +1 vs Q1 2026
9,810,5899.8m shares reported held*
21.7% of all shares outstanding*
$29.5mreported value*
10 new 19 added 15 reduced 10 sold out net bought ≈ $408.6k (+280.7k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 45.2m as of 2026-08-11, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.01. Options: 1 managers hold calls ($116.8k notional), 0 hold puts (—).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100Q1 23: 21Q2 23: 36Q3 23: 57Q4 23: 62Q1 24: 68Q2 24: 74Q3 24: 58Q4 24: 59Q1 25: 76Q2 25: 62Q3 25: 57Q4 25: 78Q1 26: 71Q2 26: 7272Q1 23Q4 23Q3 24Q2 25Q2 26
Numbers
QuarterHolders
Q1 202321
Q2 202336
Q3 202357
Q4 202362
Q1 202468
Q2 202474
Q3 202458
Q4 202459
Q1 202576
Q2 202562
Q3 202557
Q4 202578
Q1 202671
Q2 202672

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
50050Q3 24: 21 bought or addedQ3 24: 37 cut or sold outQ4 24: 18 bought or addedQ4 24: 27 cut or sold outQ4 24Q1 25: 47 bought or addedQ1 25: 19 cut or sold outQ2 25: 24 bought or addedQ2 25: 32 cut or sold outQ2 25Q3 25: 27 bought or addedQ3 25: 14 cut or sold outQ4 25: 37 bought or addedQ4 25: 13 cut or sold outQ4 25Q1 26: 25 bought or addedQ1 26: 31 cut or sold outQ2 26: 29 bought or addedQ2 26: 25 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20242137
Q4 20241827
Q1 20254719
Q2 20252432
Q3 20252714
Q4 20253713
Q1 20262531
Q2 20262925

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$100k$200k$300k$400kQ3 25 calls: $202.0kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $344.0kQ4 25 puts: $2.2kQ4 25P/C 0.01Q1 26 calls: $101.2kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $116.8kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$202.0k$00.00
Q4 2025$344.0k$2.2k0.01
Q1 2026$101.2k$00.00
Q2 2026$116.8k$00.00

Biggest buyers

CM Management, LLC Added +150,000+150.0k
WOODWARD DIVERSIFIED CAPITAL, LLC Added +144,925+144.9k
RENAISSANCE TECHNOLOGIES LLC Added +93,029+93.0k
CITADEL ADVISORS LLC New +85,481+85.5k
Quadrature Capital Ltd New +45,881+45.9k
Strive Financial Group ,LLC Added +36,437+36.4k
BlackRock, Inc. Added +33,730+33.7k
MARSHALL WACE, LLP New +27,646+27.6k
Mariner, LLC Added +25,000+25.0k
Point72 Asset Management, L.P. New +23,538+23.5k

Biggest sellers

UBS Group AG Reduced -87,584-87.6k
NORTHERN TRUST CORP Reduced -75,177-75.2k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Sold out -61,980-62.0k
683 Capital Management, LLC Sold out -60,000-60.0k
FLPUTNAM INVESTMENT MANAGEMENT CO Reduced -49,499-49.5k
BARCLAYS PLC Reduced -32,490-32.5k
Catalyst Funds Management Pty Ltd Sold out -21,824-21.8k
VANGUARD CAPITAL MANAGEMENT LLC Reduced -17,756-17.8k
OMERS ADMINISTRATION Corp Sold out -17,600-17.6k
NINE MASTS CAPITAL Ltd Sold out -17,473-17.5k

Biggest calls

GROUP ONE TRADING LLC Added $116.8k38.8k shares

Biggest puts

None

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
ARMISTICE CAPITAL, LLC 13G · institution new · filed 2025-11-14 10.0% new 4.2m≈ $12.7m 2025-11-14
Szalay Aladar 13G · exempt (held before listing) -0.2 pts · filed 2026-02-17 8.2% -0.2 pts 3.1m≈ $9.4m 2026-02-17

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
505Q4 24: 0 buyingQ4 24: 5 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 5 sellingQ3 25: 0 buyingQ3 25: 4 sellingQ3 25Q4 25: 0 buyingQ4 25: 5 sellingQ1 26: 0 buyingQ1 26: 5 sellingQ1 26Q2 26: 0 buyingQ2 26: 5 sellingQ3 26: 0 buyingQ3 26: 4 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—5$67.5k—
Q1 20250—0——
Q2 20250—5$78.3k—
Q3 20250—4$68.3k—
Q4 20250—5$82.1k$50.0k
Q1 20260—5$41.3k$29.0k
Q2 20260—5$41.2k$29.8k
Q3 20260—4$194.4k—
DateInsiderTradeSharesPrice ValueTheir holding
2026-08-31 Zindrick Thomas President and CEO Sold 34,463 $2.67 $92.0k34.5k shares -3%
2026-08-31 Cappello Joseph Chief Technical Officer Sold 10,257 $2.74 $28.1k10.3k shares -3%
2026-08-31 Yu Yong Chief Scientific Officer Sold 9,683 $2.75 $26.6k9.7k shares -4%
2026-08-04 Zindrick Thomas President and CEO Sold 3,023 $2.95 $8.9k3.0k shares -<1%
2026-08-04 Cappello Joseph Chief Technical Officer Sold 653 $2.95 $1.9k653 shares -<1%
2026-08-04 Yu Yong Chief Scientific Officer Sold 653 $2.94 $1.9k653 shares -<1%
2026-07-01 Smither John W Director Sold 12,000 $2.91 $34.9k12.0k shares -12%
2026-06-03 Smalling Ralph Head of Regulatory Sold 192 $2.93 $563192 shares -<1%
2026-06-01 Thomas John Director Sold plan 10,000 $2.98 $29.8k10.0k shares -2%
2026-05-11 Zindrick Thomas President and CEO Sold 2,798 $2.94 $8.2k2.8k shares -0%
2026-05-11 Yu Yong Chief Scientific Officer Sold 605 $2.97 $1.8k605 shares -<1%
2026-05-11 Cappello Joseph Chief Technical Officer Sold 605 $2.97 $1.8k605 shares -<1%
2026-05-11 Smalling Ralph Head of Regulatory Sold 270 $2.98 $805270 shares -<1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 WOODWARD DIVERSIFIED CAPITAL, LLC 3.00% of their portfolio BAKERSFIELD, CA 2,262,1082.3m $6.8m $6.8m 3.00% Added +144.9k +144,925
2 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,677,7241.7m $5.0m $5.0m 0.00% Reduced -17.8k -17,756
3 Bleichroeder LP 0.74% of their portfolio NEW YORK, NY 1,380,6661.4m $4.2m $4.2m 0.74% Unchanged
4 BlackRock, Inc. 0.00% of their portfolio New York, NY 439,602439.6k $1.3m $1.3m 0.00% Added +33.7k +33,730
5 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 439,213439.2k $1.3m $1.3m 0.00% Reduced -14.5k -14,548
6 CM Management, LLC 0.76% of their portfolio GULF BREEZE, FL 400,000400.0k $1.2m $1.2m 0.76% Added +150.0k +150,000
7 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 328,803328.8k $989.7k $989.7k 0.00% Added +4.9k +4,938
8 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 236,344236.3k $711.4k $711.4k 0.00% Reduced -15.3k -15,266
9 FLPUTNAM INVESTMENT MANAGEMENT CO 0.01% of their portfolio PORTLAND, ME 231,405231.4k $696.5k $696.5k 0.01% Reduced -49.5k -49,499
10 Global Retirement Partners, LLC 0.01% of their portfolio San Rafael, CA 227,854227.9k $685.8k $685.8k 0.01% First filing
11 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 157,857157.9k $475.1k $475.1k 0.00% Added +18.8k +18,816
12 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 145,850145.8k $439.0k $439.0k 0.00% Unchanged
13 Provident Wealth Management, LLC 0.11% of their portfolio BRENTWOOD, TN 144,908144.9k $436.2k $436.2k 0.11% Reduced -10.8k -10,762
14 LifeSteps Financial, Inc. 0.17% of their portfolio CLAREMONT, CA 121,965122.0k $367.1k $367.1k 0.17% Added +3.1k +3,103
15 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 121,958122.0k $367.1k $367.1k 0.00% Added +3.0k +2,950
16 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 105,229105.2k $316.7k $316.7k 0.00% Added +93.0k +93,029
17 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 89,27989.3k $268.7k $268.7k 0.00% Reduced -75.2k -75,177
18 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 85,48185.5k $257.3k $257.3k 0.00% New
19 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 83,54383.5k $251.5k $251.5k 0.00% Reduced -4.5k -4,505
20 SteelPeak Wealth, LLC 0.01% of their portfolio WOODLAND HILLS, CA 75,89575.9k $228.4k $228.4k 0.01% Added +15.0k +15,000
21 AMG National Trust Bank 0.00% of their portfolio GREENWOOD VILLAGE, CO 75,35175.4k $226.8k $226.8k 0.00% Unchanged
22 Falcon Wealth Planning 0.01% of their portfolio Ontario, CA 63,18563.2k $190.2k $190.2k 0.01% Unchanged
23 Mariner, LLC 0.00% of their portfolio Overland Park, KS 52,86652.9k $159.1k $159.1k 0.00% Added +25.0k +25,000
24 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 45,88145.9k $138.1k $138.1k 0.00% New
25 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 45,80945.8k $137.9k $137.9k 0.00% Added +13.2k +13,199
26 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 44,79444.8k $134.8k $134.8k 0.00% Reduced -778 -778
27 Strive Financial Group ,LLC 0.05% of their portfolio CARMEL, IN 41,43741.4k $124.7k $124.7k 0.05% Added +36.4k +36,437
28 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 41,00041.0k $124.2k $124.2k 0.00% Unchanged
29 Richard Young Associates, Ltd. 0.08% of their portfolio AUGUSTA, GA 40,95941.0k $123.3k $123.3k 0.08% Unchanged
30 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 39,53939.5k $119.0k $119.0k 0.00% Added +16.6k +16,604
31 UBS Group AG 0.00% of their portfolio ZURICH, V8 34,99535.0k $105.3k $105.3k 0.00% Reduced -87.6k -87,584
32 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 33,37933.4k $100.0k $100.0k 0.00% Added +19.9k +19,932
33 WAYSTONE ADVISORS LLC 0.07% of their portfolio REDMOND, WA 33,33233.3k $100.3k $100.3k 0.07% Unchanged
34 One Capital Management, LLC 0.00% of their portfolio WESTLAKE VILLAGE, CA 30,88330.9k $74.7k $74.7k 0.00% Unchanged
35 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 30,75830.8k $92.6k $92.6k 0.00% Unchanged
36 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 27,64627.6k $83.2k $83.2k 0.00% New
37 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 25,02325.0k $75.3k $75.3k 0.00% Added +23 +23
38 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 23,53823.5k $70.8k $70.8k 0.00% New
39 KWB Wealth 0.01% of their portfolio REDLANDS, CA 23,32723.3k $70.2k $70.2k 0.01% Unchanged
40 D.A. DAVIDSON & CO. 0.00% of their portfolio GREAT FALLS, MT 21,77921.8k $65.6k $65.6k 0.00% Unchanged
41 Hudson Bay Capital Management LP 0.00% of their portfolio STAMFORD, CT 21,54221.5k $64.8k $64.8k 0.00% Reduced -16.2k -16,193
42 5T Wealth, LLC 0.02% of their portfolio Napa, CA 20,50120.5k $61.7k $61.7k 0.02% Added +800 +800
43 Apollon Wealth Management, LLC 0.00% of their portfolio MOUNT PLEASANT, SC 20,28420.3k $61.1k $61.1k 0.00% Added +1.5k +1,500
44 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 16,80016.8k $50.6k $50.6k 0.00% New
45 LIBERTY WEALTH MANAGEMENT LLC 0.01% of their portfolio OAKLAND, CA 16,54716.5k $40.0k $40.0k 0.01% Unchanged
46 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 16,01016.0k $48.2k $48.2k 0.00% Unchanged
47 Prime Capital Investment Advisors, LLC 0.00% of their portfolio OVERLAND PARK, KS 15,91515.9k $47.9k $47.9k 0.00% New
48 INTEGRITY ALLIANCE, LLC. 0.00% of their portfolio Urbandale, IA 15,05215.1k $45.3k $45.3k 0.00% Unchanged
49 Grange Capital, LLC 0.04% of their portfolio Beaverton, OR 14,72514.7k $44.3k $44.3k 0.04% New
50 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 13,08313.1k $39.4k $39.4k 0.00% Reduced -4.0k -4,000
51 Stratos Wealth Partners, LTD. 0.00% of their portfolio BEACHWOOD, OH 12,74512.7k $38.4k $38.4k 0.00% Unchanged
52 UNITED BANK 0.00% of their portfolio VIENNA, VA 12,07012.1k $36.3k $36.3k 0.00% First filing
53 GSA CAPITAL PARTNERS LLP 0.00% of their portfolio LONDON, X0 11,47611.5k $35.0k $35.0k 0.00% New
54 PRIVATE MANAGEMENT GROUP INC 0.00% of their portfolio IRVINE, CA 11,33311.3k $34.1k $34.1k 0.00% Unchanged
55 Plancorp, LLC 0.00% of their portfolio SAINT LOUIS, MO 10,01010.0k $29.6k $29.6k 0.00% Unchanged
56 Carmel Capital Partners, LLC 0.01% of their portfolio SAN DIEGO, CA 10,00010.0k $30.1k $30.1k 0.01% New
57 ALLSTREET CAPITAL ADVISORS LLC 0.02% of their portfolio LOS ANGELES, CA 10,00010.0k $30.1k $30.1k 0.02% Unchanged
58 Blue Trust, Inc. 0.00% of their portfolio BRENTWOOD, TN 9,4799.5k $28.5k $28.5k 0.00% Unchanged
59 WHITTIER TRUST CO OF NEVADA INC 0.00% of their portfolio RENO, NV 7,1417.1k $21.2k $21.2k 0.00% Unchanged
60 Align Financial, LLC 0.01% of their portfolio HERMANTOWN, MN 6,4906.5k $19.5k $19.5k 0.01% Unchanged
61 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 2,2352.2k $6.7k $6.7k 0.00% Unchanged
62 BROWN BROTHERS HARRIMAN & CO 0.00% of their portfolio NEW YORK, NY 1,3501.4k $4.1k $4.1k 0.00% Unchanged
63 MATHER GROUP, LLC. 0.00% of their portfolio CHICAGO, IL 1,1901.2k $3.6k $3.6k 0.00% Unchanged
64 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 1,0001.0k $2.9k $2.9k 0.00% New
65 FMR LLC 0.00% of their portfolio BOSTON, MA 901901 $2.7k $2.7k 0.00% Reduced -2 -2
66 Prudent Man Investment Management, Inc. 0.00% of their portfolio LOUISVILLE, CO 660660 $2.9k $2.9k 0.00% Unchanged
67 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 266266 $801 $801 0.00% Reduced -32.5k -32,490
68 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 256256 $771 $771 0.00% Reduced -7.6k -7,623
69 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 213213 $0 $0 0.00% Added +155 +155
70 Caldwell Trust Co 0.00% of their portfolio Venice, FL 100100 $301 $301 0.00% Unchanged
71 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 2626 $75 $75 0.00% Reduced -317 -317
72 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 2424 $72 $72 0.00% Added +21 +21