Pioneer Power Solutions
PPSI · NASDAQ
$2.70+$0.00 (+0.00%)TodayMarket closed ·
Prev close $2.70
Who owns PPSI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 29.6% of PPSI’s shares.
- Mazurek (Nathan J)17.8%
- Michalec (Wojciech)2.5%
- Vanguard Capital Management, LLC1.8%
- Klink (Thomas)1.2%
- Next 6 largest institutions6.3%
- All other shareholders70.4%
| Holder | Shares | % of shares |
|---|---|---|
| Mazurek (Nathan J) | 1.98M | 17.82% |
| Michalec (Wojciech) | 275.00K | 2.48% |
| Vanguard Capital Management, LLC | 195.79K | 1.76% |
| Klink (Thomas) | 137.50K | 1.24% |
| Spectrum Investment Advisors, Inc. | 137.50K | 1.24% |
| Acadian Asset Management LLC | 127.98K | 1.15% |
| Renaissance Technologies LLC | 126.49K | 1.14% |
| Geode Capital Management, L.L.C. | 116.63K | 1.05% |
| Jane Street Capital, L.L.C. | 114.40K | 1.03% |
| Susquehanna International Group, LLP | 80.37K | 0.72% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 104.86K | 0.94% |
| Vanguard Extended Market Index Fund | 90.92K | 0.82% |
| Fidelity Extended Market Index Fund | 41.41K | 0.37% |
| iShares Micro-Cap ETF | 29.75K | 0.27% |
| Fidelity Total Market Index Fund | 22.66K | 0.20% |
Short interest
Settled Sep 30, 2026
- Shares short
- 50.94K
- Days to cover
- 1.00
- % of shares outstanding
- 0.46%
- Average daily volume
- 114.47K
- Change since last report
- −53.7%
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