SenestechSNES
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 15 institutions reported holding Senestech Inc. (SNES) in their 13F filings, down 5 from Q4 2025. 2 opened new positions and 8 sold out. The largest holders were Sabby Management, LLC ($358K), Renaissance Technologies ($187K) and Geode Capital Management, LLC ($103K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Senestech Inc.
- CUSIP
- 81720R604
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $45K |
| Exits | 8 | $370K |
All 13F filers, Q4 2025 → Q1 2026: 93,751 shares bought and 275,275 shares sold, net −181,524 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 15 holders
| Sabby Management, LLC | 6.77% | Add +3.8% | 218,533 | $358K |
| Renaissance Technologies | 0.00% | Reduce -20.2% | 114,000 | $187K |
| Geode Capital Management, LLC | 0.00% | Add +71.6% | 63,106 | $103K |
| Vanguard Capital Management LLC | 0.00% | — | 42,865 | $70K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 31,694 | $52K |
| Essex Investment Management Co. LLC | 0.01% | Add +17.9% | 26,294 | $43K |
| XTX Topco Ltd | 0.00% | Reduce -16.7% | 21,061 | $35K |
| UBS Group AG | 0.00% | Add +1412.6% | 20,889 | $34K |
| Jane Street Group, LLC | 0.00% | Add +13.1% | 16,666 | $27K |
| State Street Corp. | 0.00% | No change | 16,662 | $27K |
| Diversify Wealth Management, LLC | 0.00% | New | 19,119 | $27K |
| Citadel Advisors | 0.00% | Reduce -85.5% | 11,319 | $19K |
| Two Sigma Securities, LLC | 0.00% | New | 10,894 | $18K |
| Osaic Holdings, Inc. | 0.00% | Add +400.0% | 5,000 | $8K |
| Morgan Stanley | 0.00% | Reduce -38.2% | 3,400 | $6K |
"% of holder's portfolio" is SNES's weight in each manager's 13F, not the share of Senestech Inc. the manager owns.