Companies / SenesTech, Inc.
SenesTech, Inc.
Nasdaq: SNESCIK 1680378PHOENIX, AZ
Financials · FY2025
Ownership
5.4M shares outstanding · as of Aug 4, 2026
Ownership
| 10%+ / strategic | 18.21% | 987,824 |
| Institutions | 14.65% | 794,351 |
| Public float | 67.14% | 3,641,367 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 3
View all →| Insider | % of shares | Shares |
|---|---|---|
Glenbrook Capital Management10% owner | 18.21% | 987,824 |
Edell MichaelCEOFormerChief Executive Officer · Director | 0.07% | 4,000 |
Chesterman Thomas CCFO & Treasurer | — | — |
Institutional holders 21
View all →| Holder | Value | % of shares |
|---|---|---|
| $450.6K | 3.88% | |
| $187.0K | 2.10% | |
| $175.7K | 1.51% | |
| $167.6K | 1.44% | |
| $146.3K | 1.26% | |
| $103.5K | 1.16% | |
| $81.7K | 0.70% | |
| $54.1K | 0.47% | |
| $48.1K | 0.41% | |
| $47.7K | 0.41% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2025 as of | Corsair Capital Management, L.P. 13F manager | New | — | $254.7K | +50K | 50,049 0.92% of shares | low |
| Q1 2026 as of | Corsair Capital Management, L.P. 13F manager | Exit | — | $-81.7K | -38K -100.00% | — | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | — | $-47.2K | -29K -20.17% | 114,000 2.10% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | — | $43.2K | +26K +71.58% | 63,106 1.16% of shares | low |
| Q4 2025 as of | Corsair Capital Management, L.P. 13F manager | Trim | — | $-36.3K | -17K -30.79% | 38,166 0.70% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Exit | — | $-29.0K | -14K -100.00% | — | low |
| Q3 2025 as of | Corsair Capital Management, L.P. 13F manager | Add | — | $22.4K | +5K +10.19% | 55,149 1.02% of shares | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | — | $6 | +3 +6.82% | 47 <0.01% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Glenbrook Capital Management | Passive13G/A | — |
| Glenbrook Capital Management | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| SNES | — | 81720R604 |