SenesTech, Inc. (SNES) shareholders
Close on Nov 13, 2026Market cap $4.68MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Glenbrook Capital Management | 2,196,973 | 40.51% | 13D (active) amendment | Oct 28, 2026 |
| PFS Trust Joint filing with PFS Cap Mgt Co (9.99%) | 340,000 | 9.99% | 13G (passive) amendment | Jun 30, 2025 |
| LeBeau Justin Michael | 294,773 | 5.40% | 13D (active) | Oct 23, 2026 |
| Fakhoury Ranni Emad | 272,000 | 5.00% | 13G (passive) | Oct 30, 2026 |
| Lind Global Fund II LP Joint filing with Lind Global Partners II LLC (9.90%), Easton Jeff (9.90%) | 112,000 | 9.90% | 13G (passive) amendment | Dec 31, 2024 |
| Pfs Cap Mgt Co Joint filing with PFS Trust (5.20%) | 90,507 | 5.20% | 13G (passive) amendment | Mar 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SNES | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Sabby Management, LLC | 141,756 | 2.61% | $211.22K | −76,777 | 0.19% |
| Renaissance Technologies LLC | 82,616 | 1.52% | $123.10K | −31,384 | 0.00% |
| Citadel Advisors LLC | 46,671 | 0.86% | $69.54K | +35,352 | 0.00% |
| Geode Capital Management, LLC | 44,339 | 0.82% | $66.06K | −18,767 | 0.00% |
| Vanguard Capital Management LLC | 34,762 | 0.64% | $51.80K | −8,103 | 0.00% |
| Vanguard Fiduciary Trust Co | 26,594 | 0.49% | $39.63K | −5,100 | 0.00% |
| Essex Investment Management Co LLC | 26,203 | 0.48% | $39.04K | −91 | 0.01% |
| Diversify Wealth Management, LLC | 19,119 | 0.35% | $25.43K | – | 0.00% |
| Diversify Advisory Services, LLC | 19,119 | 0.35% | $25.43K | New | 0.00% |
| Northern Trust Corp | 17,587 | 0.32% | $26.21K | New | 0.00% |
| State Street Corp | 16,662 | 0.31% | $24.83K | – | 0.00% |
| XTX Topco Ltd | 10,308 | 0.19% | $15.36K | −10,753 | 0.00% |
| Morgan Stanley | 3,400 | 0.06% | $5.07K | – | 0.00% |
| UBS Group AG | 1,307 | 0.02% | $1.95K | −19,582 | 0.00% |
| Osaic Holdings, Inc. | 1,000 | 0.02% | $1.49K | −4,000 | 0.00% |
| Barclays PLC | 106 | 0.00% | $158 | New | 0.00% |
| Caitong International Asset Management Co., Ltd | 13 | 0.00% | $19 | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 17 | 0M | 9.1% | 4 / 1 | 9 / 2 | 0M | 0M |
| Q1 2026 | 15 | 1M | 11.5% | 4 / 6 | 4 / 8 | 0M | 0M |
| Q4 2025 | 20 | 1M | 14.7% | 5 / 7 | 7 / 2 | 0M | 0M |
| Q3 2025 | 17 | 0M | 8.6% | 11 / 6 | 0 / 2 | 0M | 0M |
| Q2 2025 | 8 | 0M | 1.8% | 5 / 2 | 1 / 0 | 0M | 0M |
| Q1 2025 | 3 | 0M | 0.1% | 0 / 2 | 0 / 2 | 0M | 0M |
| Q4 2024 | 5 | 0M | 0.1% | 2 / 1 | 1 / 2 | 0M | 0M |
| Q3 2024 | 5 | 0M | 1.1% | 5 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
5 funds held SNES in Q2 2026, 41% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of SNES | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 41,132 | 0.76% | $71.16K | 0.00% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 34,762 | 0.64% | $51.80K | 0.00% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 7,176 | 0.13% | $12.41K | 0.00% | May 31, 2026 |
| Fidelity Total Market Index Fund | 891 | 0.02% | $1.54K | 0.00% | May 31, 2026 |
| State Street Balanced Index Fund | 652 | 0.01% | $971 | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Michael Edell | Chief Executive Officer, Director | 11,000 | 0.20% | Sep 29, 2026 |
| Thomas C. Chesterman | CFO & Treasurer | 9,876 | 0.18% | Jun 17, 2026 |
| Jamie Bechtel Morrison | Director | 2,812 | 0.05% | Jun 17, 2026 |
| Matthew K. Szot | Director | 4,658 | 0.09% | Jun 17, 2026 |
| Jacob Steven Leach | Director | 0 | – | Jun 17, 2026 |
| Lynn Yako Graham | Director | 0 | – | Jun 17, 2026 |
| Phillip Nicholas Grandinetti III | Director | – | – | Jun 17, 2026 |
| Joshua Matthew Moss | Director | 0 | – | Jun 17, 2026 |
| Capital Management Glenbrook | 10% owner | 2,196,973 | 40.51% | Oct 30, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Capital Management Glenbrook 10% owner | Oct 30, 2026 | Buy | +2,000 | $1.02 | $2.03K | 2,196,973 |
| Capital Management Glenbrook 10% owner | Oct 28, 2026 | Buy | +28,000 | $0.97 | $27.02K | 2,194,973 |
| Capital Management Glenbrook 10% owner | Oct 22, 2026 | Buy | +7,500 | $0.80 | $5.99K | 2,166,973 |
| Capital Management Glenbrook 10% owner | Oct 21, 2026 | Buy | +60,000 | $0.74 | $44.31K | 2,159,473 |
| Capital Management Glenbrook 10% owner | Oct 20, 2026 | Buy | +36,375 | $0.67 | $24.54K | 2,099,473 |
| Capital Management Glenbrook 10% owner | Oct 19, 2026 | Buy | +376,552 | $0.70 | $264.94K | 2,063,098 |
| Capital Management Glenbrook 10% owner | Oct 16, 2026 | Buy | +181,252 | $0.63 | $113.99K | 1,686,546 |
| Capital Management Glenbrook 10% owner | Oct 15, 2026 | Buy | +426,000 | $0.77 | $327.13K | 1,505,294 |
| Michael Edell Chief Executive Officer, Director | Sep 28, 2026 | Buy | +2,000 | $0.64 | $1.28K | 11,000 |
| Michael Edell Chief Executive Officer, Director | Sep 14, 2026 | Buy | +1,000 | $0.84 | $840 | 9,000 |
| Michael Edell Chief Executive Officer, Director | Sep 9, 2026 | Buy | +1,000 | $0.85 | $850 | 8,000 |
| Michael Edell Chief Executive Officer, Director | Sep 9, 2026 | Buy | +1,000 | $0.89 | $890 | 7,000 |
| Michael Edell Chief Executive Officer, Director | Aug 14, 2026 | Buy | +1,000 | $1.21 | $1.21K | 6,000 |
| Capital Management Glenbrook 10% owner | Aug 7, 2026 | Buy | +6,490 | $1.30 | $8.44K | 1,079,294 |
| Capital Management Glenbrook 10% owner | Aug 6, 2026 | Buy | +15,000 | $1.30 | $19.50K | 1,072,804 |
| Capital Management Glenbrook 10% owner | Jul 20, 2026 | Buy | +35,000 | $1.47 | $51.45K | 1,057,824 |
| Michael Edell Chief Executive Officer, Director | Jul 7, 2026 | Buy | +1,000 | $1.43 | $1.43K | 5,000 |
| Capital Management Glenbrook 10% owner | Jun 30, 2026 | Buy | +35,000 | $1.51 | $52.85K | 1,022,824 |
| Capital Management Glenbrook 10% owner | Jun 29, 2026 | Buy | +5,172 | $1.52 | $7.86K | 987,824 |
| Capital Management Glenbrook 10% owner | Jun 26, 2026 | Buy | +6,812 | $1.56 | $10.63K | 982,652 |
| Capital Management Glenbrook 10% owner | Jun 25, 2026 | Buy | +9,442 | $1.53 | $14.45K | 975,840 |
| Capital Management Glenbrook 10% owner | Jun 24, 2026 | Buy | +3,990 | $1.55 | $6.18K | 966,398 |
| Capital Management Glenbrook 10% owner | Jun 22, 2026 | Buy | +5,000 | $1.66 | $8.30K | 962,408 |
| Capital Management Glenbrook 10% owner | Jun 17, 2026 | Buy | +3,264 | $1.61 | $5.26K | 957,408 |
| Michael Edell Chief Executive Officer, Director | Jun 8, 2026 | Buy | +1,000 | $1.55 | $1.55K | 4,000 |
| Capital Management Glenbrook 10% owner | Jun 8, 2026 | Buy | +7,000 | $1.61 | $11.27K | 954,144 |
| Capital Management Glenbrook 10% owner | Jun 5, 2026 | Buy | +13,159 | $1.57 | $20.66K | 947,144 |
| Capital Management Glenbrook 10% owner | Jun 4, 2026 | Buy | +8,230 | $1.65 | $13.58K | 933,985 |
| Capital Management Glenbrook 10% owner | May 18, 2026 | Buy | +10,000 | $1.59 | $15.90K | 925,755 |
| Capital Management Glenbrook 10% owner | May 15, 2026 | Buy | +7,120 | $1.65 | $11.75K | 915,755 |
| Michael Edell Chief Executive Officer, Director | May 15, 2026 | Buy | +1,000 | $1.62 | $1.62K | 3,000 |
| Capital Management Glenbrook 10% owner | May 14, 2026 | Buy | +15,000 | $1.72 | $25.80K | 908,635 |
| Michael Edell Chief Executive Officer, Director | May 14, 2026 | Buy | +2,000 | $1.70 | $3.40K | 2,000 |
| Capital Management Glenbrook 10% owner | Apr 28, 2026 | Buy | +3,000 | $1.47 | $4.41K | 893,635 |
| Capital Management Glenbrook 10% owner | Mar 17, 2026 | Buy | +19,725 | $1.79 | $35.31K | 890,635 |
| Capital Management Glenbrook 10% owner | Mar 16, 2026 | Buy | +5,060 | $1.86 | $9.41K | 870,910 |
| Capital Management Glenbrook 10% owner | Mar 13, 2026 | Buy | +146,249 | $1.95 | $285.19K | 865,850 |
| Capital Management Glenbrook 10% owner | Feb 19, 2026 | Buy | +34,613 | $2.40 | $83.07K | 704,211 |
| Capital Management Glenbrook 10% owner | Feb 18, 2026 | Buy | +10,481 | $2.29 | $24.00K | 669,598 |
| Capital Management Glenbrook 10% owner | Feb 17, 2026 | Buy | +40,807 | $2.29 | $93.45K | 659,117 |
| Capital Management Glenbrook 10% owner | Feb 13, 2026 | Buy | +15,390 | $1.89 | $29.09K | 633,700 |
| Capital Management Glenbrook 10% owner | Feb 12, 2026 | Buy | +7,956 | $1.72 | $13.68K | 618,310 |
| Capital Management Glenbrook 10% owner | Feb 11, 2026 | Buy | +8,000 | $1.73 | $13.84K | 610,354 |
| Capital Management Glenbrook 10% owner | Feb 5, 2026 | Buy | +2,884 | $1.77 | $5.10K | 602,354 |
| Capital Management Glenbrook 10% owner | Feb 4, 2026 | Buy | +5,685 | $1.82 | $10.35K | 599,470 |
| Capital Management Glenbrook 10% owner | Feb 2, 2026 | Buy | +42,739 | $1.98 | $84.62K | 593,785 |
| Capital Management Glenbrook 10% owner | Jan 30, 2026 | Buy | +5,399 | $1.87 | $10.10K | 551,046 |
| Jacob Steven Leach Director | Nov 18, 2025 | Sale | −62 | $2.71 | $168 | 0 |
| Matthew K. Szot Director | Nov 14, 2025 | Sale | −1 | $2.75 | $3 | 0 |
| Joel Lee Fruendt Chief Executive Officer, Director | Dec 14, 2022 | Award | +18,799 | – | – | 18,800 |
| Joel Lee Fruendt Chief Executive Officer, Director | Dec 14, 2022 | Award | +18,797 | – | – | 18,798 |
| Jacob Steven Leach Director | Aug 18, 2021 | Buy | +50,000 | $1.54 | $77.00K | 150,000 |
| Jacob Steven Leach Director | Aug 17, 2021 | Buy | +50,000 | $1.50 | $75.00K | 100,000 |
| Jacob Steven Leach Director | Aug 16, 2021 | Buy | +50,000 | $1.54 | $77.00K | 50,000 |
| Kim Patrice Wolin EVP & Secretary | Apr 29, 2021 | Option exercise | +30,738 | – | – | 36,601 |
| Kim Patrice Wolin EVP & Secretary | Apr 29, 2021 | Tax withholding | −10,454 | $1.66 | $17.35K | 26,147 |
| Marc Dumont Director | Jun 18, 2020 | Option exercise | +564 | – | – | 1,337 |
| Jamie Bechtel Morrison Director | Jun 18, 2020 | Option exercise | +1,198 | – | – | 2,812 |
| Delphine Francois Chiavarini Director | Jun 18, 2020 | Option exercise | +846 | – | – | 1,314 |
| Julia Ann Williams Director | Jun 18, 2020 | Option exercise | +423 | – | – | 8,162 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of SenesTech's stock actually held short. Settlement fails (shares not delivered on time) peaked at 5,242 shares on Aug 17, 2026 over the last 90 days.
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