Latest Period
Q1 2026
Security Snapshot
SenesTech, Inc. - Common Stock, par value $0.001 per share (SNES) Institutional Ownership
CUSIP: 81720R604
13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026
Institutions Reporting
15
Shares (Excl. Options)
621,502
Price
$1.64
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- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- SNES on Nasdaq
- Shares outstanding
- 5,301,399
- Price per share
- $1.64
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 621,502
- Total reported value
- $1,014,960
- % of total 13F portfolios
- 0%
- Share change
- -181,524
- Value change
- -$387,771
- Number of holders
- 15
- Price from insider filings
- $1.64
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- SNES - SenesTech, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 81720R604.
- 15 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 20 to 15 between Q4 2025 and Q1 2026.
- Reported value moved from $1,704,397 to $1,014,960.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 15 institutions filings for Q1 2026.
Security key
81720R604
Latest holder period
Q1 2026
13F holders
15
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
SNES full holder history
SenesTech, Inc. SEC filings
SenesTech, Inc. company facts
SenesTech, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 81720R604:
Significant Owners of SenesTech, Inc. - Common Stock, par value $0.001 per share (SNES) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| GLENBROOK CAPITAL MANAGEMENT | 17% | +49% | $1,585,330 | +$528,393 | 890,635 | +50% | Glenbrook Capital Management | 16 Mar 2026 |
| PFS CAP MGT CO | 10% | +96% | $1,683,000 | +$1,234,990 | 340,000 | +276% | PFS Cap Mgt Co | 30 Jun 2025 |
| Lind Global Fund II LP | 4.9% | -50% | $208,215 | -$41,545 | 93,370 | -17% | Lind Global Fund II LP | 31 Mar 2025 |
As of 31 Mar 2026, 15 institutional investors reported holding 621,502 shares of SenesTech, Inc. - Common Stock, par value $0.001 per share (SNES). This represents 12% of the company’s total 5,301,399 outstanding shares.
Top 23 Institutional Shareholders
The largest institutional shareholders of SenesTech, Inc. - Common Stock, par value $0.001 per share (SNES) together control 12% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| SABBY MANAGEMENT, LLC | 4.1% | 218,533 | +3.8% | 6.3% | $358,394 |
| RENAISSANCE TECHNOLOGIES LLC | 2.2% | 114,000 | -20% | 0% | $186,960 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 63,106 | +72% | 0% | $103,493 |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.81% | 42,865 | 0% | 0% | $70,299 |
| VANGUARD FIDUCIARY TRUST CO | 0.6% | 31,694 | 0% | 0% | $51,978 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 0.5% | 26,294 | +18% | 0.01% | $43,122 |
| XTX Topco Ltd | 0.4% | 21,061 | -17% | 0% | $34,540 |
| UBS Group AG | 0.39% | 20,889 | +1413% | 0% | $34,258 |
| DIVERSIFY WEALTH MANAGEMENT, LLC | 0.36% | 19,119 | 0% | $27,053 | |
| JANE STREET GROUP, LLC | 0.31% | 16,666 | +13% | 0% | $27,332 |
| STATE STREET CORP | 0.31% | 16,662 | 0% | 0% | $27,326 |
| CITADEL ADVISORS LLC | 0.21% | 11,319 | -86% | 0% | $18,563 |
| TWO SIGMA SECURITIES, LLC | 0.21% | 10,894 | 0% | $17,866 | |
| OSAIC HOLDINGS, INC. | 0.09% | 5,000 | +400% | 0% | $8,200 |
| MORGAN STANLEY | 0.06% | 3,400 | -38% | 0% | $5,576 |
| Tower Research Capital LLC (TRC) | 0% | 0 | -100% | $0 | |
| DRW Securities, LLC | 0% | 0 | -100% | $0 | |
| Diversify Advisory Services, LLC | 0% | 0 | -100% | $0 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0% | 0 | -100% | $0 | |
| CITIGROUP INC | 0% | 0 | -100% | $0 | |
| MILLENNIUM MANAGEMENT LLC | 0% | 0 | -100% | $0 | |
| CORSAIR CAPITAL MANAGEMENT, L.P. | 0% | 0 | -100% | $0 | |
| BANK OF AMERICA CORP /DE/ | 0% | 0 | -100% | $0 |
Institutional Holders of SenesTech, Inc. - Common Stock, par value $0.001 per share (SNES) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 621,502 | $1,014,960 | -$387,771 | $1.64 | 15 |
| 2025 Q4 | 796,823 | $1,704,397 | +$688,024 | $2.14 | 20 |
| 2025 Q3 | 464,449 | $2,039,408 | +$1,584,259 | $4.39 | 17 |
| 2025 Q2 | 98,538 | $501,557 | +$460,790 | $5.09 | 8 |
| 2025 Q1 | 8,103 | $14,666 | +$2,670 | $1.81 | 3 |
| 2024 Q4 | 5,562 | $18,410 | -$130,977 | $3.31 | 4 |
| 2024 Q3 | 57,407 | $148,111 | +$148,111 | $2.58 | 4 |