Latest Period
Q2 2026
Security Snapshot
Power Solutions International, Inc. - Common Stock, par value $0.001 per share (PSIX) Institutional Ownership
CUSIP: 73933G202
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
95
Shares (Excl. Options)
3,416,260
Price
$38.89
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- PSIX on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 3,416,260
- Total 13F value
- $132,857,046
- Portfolio coverage rank
- 0%
- Share change
- -675,315
- Value change
- -$49,297,002
- Number of holders
- 95
- Shares outstanding
- 23,033,154
- SEC-reported price per share
- $34.73
- Insider filing price
- $34.73
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PSIX - Power Solutions International, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 73933G202.
- 95 institutions reported positions in Q2 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 200 to 95 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $444,476,725 to $132,857,046.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 95 institutions filings for Q2 2026.
Security key
73933G202
Latest holder period
Q2 2026
13F holders
95
13D/G owners
5
CIK / CUSIP context first
Open Q2 2026 holders
PSIX full holder history
POWER SOLUTIONS INTERNATIONAL, INC. SEC filings
POWER SOLUTIONS INTERNATIONAL, INC. company facts
POWER SOLUTIONS INTERNATIONAL, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 73933G202:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
PSIX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Weichai America Corp. | 46% | -2.1% | $944,628,799 | -$20,511,006 | 10,716,152 | -2.1% | Weichai America Corp. | 26 Aug 2025 |
| GAGNON SECURITIES LLC | 7.3% | $44,976,365 | 1,678,849 | Neil Gagnon | 31 Dec 2024 | |||
| Point72 Asset Management, L.P. | 6.5% | +30% | $51,996,193 | +$11,856,509 | 1,497,155 | +30% | Point72 Asset Management, L.P. | 30 Jun 2026 |
| Winemaster Gary S | 6.3% | -26% | $118,545,398 | -$38,726,410 | 1,455,259 | -25% | Gary S. Winemaster | 18 Sep 2025 |
| Gagnon Neil | 5% | $30,574,195 | 1,141,254 | Neil Gagnon | 05 Feb 2025 |
As of 30 Jun 2026, 95 institutional investors reported holding 3,416,260 shares of Power Solutions International, Inc. - Common Stock, par value $0.001 per share (PSIX). This represents 15% of the company’s total 23,033,154 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
29%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Point72 Asset Management, L.P. | 6.5% | 1,497,155 | +27884% | 0.09% | $58,224,358 |
| BlackRock, Inc. | 3.6% | 818,968 | +14% | 0% | $31,849,666 |
| Newtyn Management, LLC | 2.6% | 600,890 | 2.9% | $23,368,612 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.5% | 340,634 | -0.1% | 0% | $13,247,256 |
| Yunqi Capital Ltd | 1.5% | 339,000 | 11% | $13,183,710 | |
| BARCLAYS PLC | 1.4% | 311,110 | +30% | 0% | $12,099,068 |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 296,812 | +4.8% | 0% | $11,540,874 |
| OLP CAPITAL MANAGEMENT Ltd | 1.2% | 283,940 | 2.8% | $11,042,427 | |
| Busey Bank | 0.96% | 220,000 | 0% | 0.21% | $8,555,800 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.94% | 216,235 | +10% | 0% | $8,410,571 |
| MILLENNIUM MANAGEMENT LLC | 0.9% | 206,942 | +111% | 0.01% | $8,047,974 |
| SG Americas Securities, LLC | 0.85% | 194,930 | -9.9% | 0% | $7,581,000 |
| STATE STREET CORP | 0.8% | 184,855 | +8.3% | 0% | $7,189,011 |
| GOLDMAN SACHS GROUP INC | 0.64% | 147,333 | +233% | 0% | $5,729,781 |
| FIRST TRUST ADVISORS LP | 0.64% | 146,750 | +70% | 0% | $5,707,107 |
| Yiheng Capital Management, L.P. | 0.58% | 133,500 | 2.3% | $5,191,815 | |
| Meros Investment Management, LP | 0.56% | 129,266 | +229% | 1.6% | $5,027,155 |
| MORGAN STANLEY | 0.49% | 113,003 | -32% | 0% | $4,394,686 |
| TWO SIGMA INVESTMENTS, LP | 0.47% | 108,961 | +135% | 0% | $4,237,493 |
| Hel Ved Capital Management Ltd | 0.44% | 100,876 | 0% | 0.55% | $3,923,068 |
| Valiant Capital Management, L.P. | 0.35% | 81,674 | +18% | 0.2% | $3,176,302 |
| NORTHERN TRUST CORP | 0.32% | 74,796 | -6.6% | 0% | $2,908,817 |
| Defiance ETFs, LLC | 0.32% | 72,881 | +249% | 0.04% | $2,676,190 |
| Tidal Investments LLC | 0.31% | 72,447 | +147% | 0.01% | $2,817,464 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.3% | 70,150 | -33% | 0% | $2,728,134 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 3,416,260 | $132,857,046 | -$49,297,002 | $38.89 | 95 |
| 2026 Q1 | 7,276,568 | $444,476,725 | +$5,584,234 | $60.88 | 200 |
| 2025 Q4 | 6,842,241 | $392,459,430 | +$53,698,472 | $57.14 | 193 |
| 2025 Q3 | 5,445,787 | $532,599,160 | +$200,130,267 | $98.22 | 201 |
| 2025 Q2 | 3,490,983 | $226,177,204 | +$49,249,211 | $64.68 | 126 |
| 2025 Q1 | 3,138,009 | $79,433,099 | +$20,845,047 | $25.28 | 65 |
| 2024 Q4 | 2,308,732 | $68,730,985 | +$982,915 | $29.75 | 31 |
| 2024 Q3 | 2,277,246 | $46,797,406 | -$9,313,794 | $20.55 | 4 |
| 2024 Q2 | 2,730,472 | $17,379,454 | +$300,180 | $6.36 | 4 |
| 2024 Q1 | 2,683,311 | $6,144,782 | +$117,750 | $2.29 | 4 |
| 2023 Q4 | 2,631,892 | $5,395,378 | -$29,155 | $2.05 | 4 |
| 2023 Q3 | 2,646,114 | $8,656,241 | -$68,415 | $3.27 | 4 |
| 2023 Q2 | 2,667,036 | $7,467,700 | -$81,077 | $2.80 | 4 |
| 2023 Q1 | 2,695,992 | $6,874,779 | -$10,728 | $2.55 | 4 |
| 2022 Q4 | 2,700,199 | $8,100,597 | +$207,639 | $3.00 | 4 |
| 2022 Q3 | 2,630,986 | $4,472,000 | +$194,935 | $1.70 | 3 |
| 2022 Q2 | 2,516,301 | $4,369,000 | +$4,278 | $1.75 | 3 |
| 2022 Q1 | 2,513,856 | $7,868,000 | +$56,696 | $3.13 | 3 |
| 2021 Q4 | 2,495,741 | $7,487,000 | +$21,038 | $3.00 | 3 |
| 2021 Q3 | 2,488,728 | $9,954,000 | +$6,252 | $4.00 | 3 |
| 2021 Q2 | 2,487,165 | $15,171,000 | +$25,260 | $6.10 | 3 |
| 2021 Q1 | 2,483,024 | $18,250,000 | -$35,354 | $7.35 | 3 |
| 2020 Q4 | 2,487,834 | $8,210,000 | +$202,382 | $3.30 | 3 |
| 2020 Q3 | 2,426,508 | $7,401,000 | -$476 | $3.05 | 3 |
| 2020 Q2 | 2,426,664 | $9,706,000 | +$1,093,112 | $4.00 | 3 |