Pioneer Power Solutions
Provides mobile EV charging, power-generation equipment, and critical-power services.
$2.91
After-hours close+0.02 (+0.69%)
At close$2.89(−1.70%)
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Breakdown13F · Form 4
Institutions 9.19%1.02M sharesInsiders 20.30%2.25M sharesOther 70.51%7.82M shares
Shares outstanding 11.10M · Float 8.60M · 77.5% free float
Institutions13F, as of Mar 31, 2026
33 holders · 1.02M shares · 7 new positions · 16 increased · 4 reduced · 7 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Vanguard Capital Management LLC | 196.1K | 1.77% | +196.1Knew | May 15, 2026 |
| Spectrum Investment Advisors, Inc. | 137.5K | 1.24% | 0 | Apr 14, 2026 |
| Geode Capital Management, LLC | 115.4K | 1.04% | +3.2K | May 15, 2026 |
| Dimensional Fund Advisors LP | 77.2K | 0.70% | +5.5K | May 7, 2026 |
| Squarepoint Ops LLC | 67.6K | 0.61% | +67.6Knew | May 15, 2026 |
| Renaissance Technologies LLC | 64.2K | 0.58% | +29.5K | May 14, 2026 |
| Susquehanna International Group, LLP | 55.6K | 0.50% | +37.9K | May 15, 2026 |
| Vanguard Fiduciary Trust Co | 35.6K | 0.32% | +35.6Knew | May 8, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Nathan Mazurek | director, 10 percent owner, officer: Chief Executive Officer | 1.98M | 17.82% | Mar 3, 2026 |
| Wojciech Michalec | officer: Chief Financial Officer | 275.0K | 2.48% | May 2, 2025 |
2 ten-percent owners hold 5.51M shares by Form 4, outside the officers-and-directors figure above · 6 people have not refiled in the last 18 months (161.8K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Nov 18, 2025 | Nathan Mazurekdirector, 10 percent owner, officer: Chief Executive Officer | Purchase | 10,000 | $3.39 | 1,976,496 |
CongressHouse and Senate disclosures
Not reported.