Glenbrook Capital continues aggressive accumulation while short interest jumps 72% week-over-week and cost to borrow climbs to 2.9%.
SNES closed at $1.57 on April 24, up 2% on the day. The stock fell 1.9% over the past week and is down 12.3% over the past month. SenesTech operates in the pharmaceuticals sector with limited trading liquidity.
Short interest stands at 68,849 shares as of April 23, representing 1.3% of free float. The metric jumped 71.7% over the past week and climbed 47.7% over the past month. Short interest hit a local peak of 88,763 shares on March 23 before declining through early April. The current level sits near the mid-range of the past 30 days. Days to cover most recently registered at 1.45 on the April 15 settlement date.
Cost to borrow reached 2.88% on April 23, up 30.4% week-over-week. CTB peaked at 4.17% on March 16 and has oscillated between 2.1% and 3.7% over the past month. The current reading sits below the late-March highs.
Utilisation registered 8.8% as of April 23, well below the 52-week high of 96.1%. Utilisation spiked to 11.3% on April 17 before pulling back. The metric has ranged between 4.9% and 11.3% over the past 30 days.
Analyst coverage is dated, last updated in November 2025. HC Wainwright raised its price target to $10 from $3.50 in December 2024, maintaining a Buy rating. Analyst Amit Dayal reaffirmed the rating while increasing the target. No recent analyst changes are available for the current period.
Enterprise value stood at $13.1 million as of October 2025. The data carries a staleness warning of 187 days. No valuation multiples with recent changes are available.
Factor positioning shows a short score rank at the 67th percentile, days to cover rank at the 70th percentile, and utilisation rank at the 58th percentile. Analyst recommendation differential ranks in the 47th percentile. Dividend score sits at the 32nd percentile. Sector score registers in the 29th percentile.
Glenbrook Capital Management dominates the holder list with 890,635 shares, representing 16.8% of shares outstanding. The firm added 398,391 shares as of its March 17 filing, marking aggressive accumulation. The position grew from prior reporting periods.
Pfs Cap Mgt Co holds 220,000 shares (4.1%), unchanged since June 2025. Sabby Management added 139,281 shares to reach 210,564 (4.0%) as of December 31. Renaissance Technologies increased its stake by 37,165 shares to 142,800 (2.7%).
DRW Holdings added 51,818 shares to reach 82,107 (1.5%). Citadel Advisors initiated a position of 78,339 shares (1.5%). Vanguard holds 68,356 shares (1.3%), up 6,995 shares.
Corsair Capital trimmed its position by 16,983 shares to 38,166. Essex Investment reduced holdings by 3,891 shares to 22,292.
Glenbrook Capital Management executed ten purchases over the past 90 days, acquiring 344,988 shares for $697,487. The buying pattern remained consistent through February and March.
The largest single transaction occurred on March 13, when Glenbrook purchased 146,249 shares at $1.95 per share for $285,434. On March 17, Glenbrook bought 19,725 shares at $1.79. Earlier in March, the firm added 5,060 shares at $1.86 on March 16.
February saw sustained accumulation. Glenbrook purchased 34,613 shares at $2.40 on February 19, 40,807 shares at $2.29 on February 17, and 15,390 shares at $1.89 on February 13. Smaller transactions on February 18 (10,481 shares), February 12 (7,956 shares), February 11 (8,000 shares), and February 5 (2,884 shares) rounded out the 90-day window.
All purchases carried a trade significance score of 3. Net insider activity over 90 days totaled $697,487.
SenesTech has an earnings event scheduled for May 7 at 8:00 PM UTC. The company last reported on March 12. Monitor whether the Glenbrook accumulation pattern continues and whether short interest stabilizes at current levels or extends the recent spike.
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