System1
SST · NYSE
$2.10+$0.06 (+2.94%)TodayMarket closed ·
Prev close $2.04
Who owns SST
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 58.9% of SST’s shares.
- Kenloch Holdings LLC23.4%
- CEE Holdings Trust9.2%
- Blend (Stanley)6.0%
- Blend Family Foundation5.5%
- Next 6 largest institutions14.7%
- All other shareholders41.1%
| Holder | Shares | % of shares |
|---|---|---|
| Kenloch Holdings LLC | 2.34M | 23.44% |
| CEE Holdings Trust | 919.56K | 9.20% |
| Blend (Stanley) | 598.89K | 5.99% |
| Blend Family Foundation | 554.51K | 5.55% |
| Martire (Francis R) | 486.66K | 4.87% |
| Foley (William P II) | 390.47K | 3.90% |
| Bank of America Private Bank | 161.51K | 1.62% |
| Ursini (Charles) | 152.15K | 1.52% |
| Kidambi (Tridivesh) | 150.41K | 1.50% |
| Vanguard Capital Management, LLC | 127.58K | 1.28% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 107.51K | 1.08% |
| Vanguard Extended Market Index Fund | 20.06K | 0.20% |
| iShares Micro-Cap ETF | 18.14K | 0.18% |
| EA Bridgeway Ultra-Small Company Market ETF | 7.10K | 0.07% |
| Fidelity Extended Market Index Fund | 5.76K | 0.06% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of SST in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Sestanovich Elizabeth | Tax withholding | 7.06K | $18.35K |
| Coppola Brian | Tax withholding | 6.12K | $15.92K |
| Kidambi Tridivesh | Tax withholding | 6.02K | $15.66K |
| Weinrot Daniel J | Tax withholding | 9.16K | $23.81K |
| Kidambi Tridivesh | Award | 35.30K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 324.30K
- Days to cover
- 1.28
- % of shares outstanding
- 3.24%
- Average daily volume
- 253.14K
- Change since last report
- −13.1%
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