Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PPSI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 196K | $637K | β | 1.768% | 0.00% |
| 2 | Spectrum Investment Advisors, Inc. | 138K | $447K | 0.0% | 1.239% | 0.22% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 115K | $375K | +2.8% | 1.040% | 0.00% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 77K | $251K | +7.7% | 0.696% | 0.00% |
| 5 | Squarepoint Ops LLC | 68K | $220K | β | 0.609% | 0.00% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 64K | $209K | +85.0% | 0.579% | 0.00% |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 56K | $181K | +7.0% | 0.501% | 0.00% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 36K | $116K | β | 0.321% | 0.00% |
| 9 | STATE STREET CORP | 34K | $111K | 0.0% | 0.307% | 0.00% |
| 10 | BlackRock, Inc. | 29K | $93K | 0.0% | 0.258% | 0.00% |
| 11 | JAMES INVESTMENT RESEARCH INC | 22K | $71K | 0.0% | 0.196% | 0.01% |
| 12 | XTX Topco Ltd | 22K | $71K | +59.2% | 0.196% | 0.00% |
| 13 | Sage Capital Management, LLC | 21K | $68K | 0.0% | 0.189% | 0.03% |
| 14 | Stratos Wealth Advisors, LLC | 17K | $56K | 0.0% | 0.156% | 0.00% |
| 15 | Legacy Advisors, LLC | 16K | $52K | 0.0% | 0.144% | 0.01% |
| 16 | MARSHALL WACE, LLP | 15K | $50K | β | 0.139% | 0.00% |
| 17 | NORTHERN TRUST CORP | 14K | $47K | -36.4% | 0.130% | 0.00% |
| 18 | SMITH, MOORE & CO. | 13K | $42K | 0.0% | 0.117% | 0.00% |
| 19 | Rockefeller Capital Management L.P. | 10K | $33K | β | 0.090% | 0.00% |
| 20 | GROUP ONE TRADING, L.P. | 9K | $29K | +577.9% | 0.081% | 0.00% |
| 21 | MORGAN STANLEY | 8K | $25K | -7.3% | 0.070% | 0.00% |
| 22 | GWM Advisors LLC | 22K | $22K | 0.0% | 0.196% | 0.00% |
| 23 | Tower Research Capital LLC (TRC) | 2K | $6K | +395.5% | 0.017% | 0.00% |
| 24 | ADVISOR GROUP HOLDINGS, INC. | 1K | $4K | 0.0% | 0.010% | 0.00% |
| 25 | JONES FINANCIAL COMPANIES LLLP | 1K | $3K | +900.0% | 0.009% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in PPSI β a direct measure of their conviction.
Filings activity in PPSI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 33 | 2.9% | 7.14% | 2.48 pp | $3M | 26% |
| Q4 2025 | 34 | +21% | 9.62% | +1.69 pp | $4M | +21% |
| Q3 2025 | 28 | +12% | 7.93% | +3.76 pp | $4M | +90% |
| Q2 2025 | 25 | +19% | 4.17% | 0.30 pp | $2M | 6.7% |
| Q1 2025 | 21 | 25% | 4.47% | 3.54 pp | $2M | 44% |
| Q4 2024 | 28 | +0.0% | 8.01% | +0.06 pp | $4M | +0.8% |
| Q3 2024 | 28 | +17% | 7.95% | +0.89 pp | $4M | +13% |
| Q2 2024 | 24 | β | 7.06% | β | $3M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PPSI stock.
Based on Q1 2026 13F filings, institutional ownership of Pioneer Power Solutions, Inc. stands at 7.1%, held across 33 reporting institutions.
VANGUARD CAPITAL MANAGEMENT LLC is the largest reported institutional holder of PPSI, with approximately 196,137 shares worth $0.00B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of PPSI, including RENAISSANCE TECHNOLOGIES LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for PPSI is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
7 institutions opened new positions in PPSI during Q1 2026, while 8 fully exited. 5 added to existing positions and 20 trimmed.
PPSI institutional ownership fell by 2.48 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 81.9% of all reported 13F value in PPSI, and the top 25 account for 99.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Pioneer Power Solutions, Inc. (PPSI) Institutional Ownership