As of the latest SEC filings, POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) is held by 184 institutional funds. The largest fund shareholder is VANGUARD TOTAL STOCK MARKET INDEX FUND (VTI), holding an estimated $15,630,879.12 in market value, representing a significant portion of its portfolio.
Funds holding POWER SOLUTIONS INTERNATIONAL, INC. (PSIX)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- PSIX
- CIK:
- 0001137091
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $15,630,879.12 | 256,749 | Mar 31, 2026 | May 28, 2026 |
|
IWM
iShares Russell 2000 ETF
|
ETF | BlackRock / iShares | 0.02% | $12,678,747.04 | 208,258 | Mar 31, 2026 | May 28, 2026 |
|
FSSNX
Fidelity Small Cap Index Fund
|
MF | Fidelity | 0.02% | $6,209,485.96 | 84,748 | Apr 30, 2026 | Jun 26, 2026 |
|
FYC
First Trust Small Cap Growth AlphaDEX Fund
|
ETF | First Trust | 0.54% | $5,612,628.54 | 76,602 | Apr 30, 2026 | Jun 23, 2026 |
|
DFAS
Dimensional U.S. Small Cap ETF
|
ETF | Dimensional Fund Advisors | 0.04% | $5,393,111.62 | 73,606 | Apr 30, 2026 | Jun 29, 2026 |
|
WFDSX
Allspring SMID Cap Growth Fund
|
MF | Allspring | 0.64% | $5,200,430.48 | 85,421 | Mar 31, 2026 | May 27, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.01% | $4,583,046.40 | 75,280 | Mar 31, 2026 | May 28, 2026 |
|
IWO
iShares Russell 2000 Growth ETF
|
ETF | BlackRock / iShares | 0.03% | $3,939,666.56 | 64,712 | Mar 31, 2026 | May 28, 2026 |
|
HSGFX
HUSSMAN STRATEGIC MARKET CYCLE FUND
|
MF | Independent / Boutique | 0.92% | $3,652,800.00 | 60,000 | Mar 31, 2026 | May 29, 2026 |
|
VTWO
VANGUARD RUSSELL 2000 INDEX FUND
|
ETF | Vanguard | 0.02% | $3,537,561.00 | 42,366 | Feb 28, 2026 | Apr 28, 2026 |
|
FYX
First Trust Small Cap Core AlphaDEX Fund
|
ETF | First Trust | 0.28% | $3,342,064.51 | 45,613 | Apr 30, 2026 | Jun 23, 2026 |
|
DFSTX
U.S. SMALL CAP PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.02% | $3,066,202.96 | 41,848 | Apr 30, 2026 | Jun 24, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.01% | $2,934,106.50 | 35,139 | Feb 28, 2026 | Apr 24, 2026 |
|
SCHA
Schwab U.S. Small-Cap ETF
|
ETF | Charles Schwab | 0.01% | $2,704,147.50 | 32,385 | Feb 28, 2026 | Apr 24, 2026 |
|
-
NVIT Allspring Discovery Fund
|
ETF | Independent / Boutique | 0.64% | $2,528,529.04 | 41,533 | Mar 31, 2026 | May 18, 2026 |
|
WEMIX
Allspring Emerging Growth Fund
|
MF | Allspring | 0.68% | $2,210,336.09 | 30,167 | Apr 30, 2026 | Jun 24, 2026 |
|
USCAX
Victory Small Cap Stock Fund
|
MF | Independent / Boutique | 0.24% | $2,182,566.76 | 29,788 | Apr 30, 2026 | Jun 25, 2026 |
|
DFAC
Dimensional U.S. Core Equity 2 ETF
|
ETF | Dimensional Fund Advisors | 0.00% | $2,104,973.83 | 28,729 | Apr 30, 2026 | Jun 29, 2026 |
|
DFSCX
U.S. MICRO CAP PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.02% | $1,844,718.79 | 25,177 | Apr 30, 2026 | Jun 24, 2026 |
|
-
Allspring VT Small Cap Growth Fund
|
ETF | Allspring | 0.66% | $1,738,550.16 | 28,557 | Mar 31, 2026 | May 27, 2026 |
|
DFEOX
U.S. CORE EQUITY 1 PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.00% | $1,689,020.04 | 23,052 | Apr 30, 2026 | Jun 24, 2026 |
|
DFQTX
U.S. CORE EQUITY 2 PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.00% | $1,679,494.94 | 22,922 | Apr 30, 2026 | Jun 24, 2026 |
|
AIPO
Defiance AI and Power Infrastructure ETF
|
ETF | Independent / Boutique | 0.67% | $1,547,088.00 | 18,528 | Feb 28, 2026 | Apr 21, 2026 |
|
SCRYX
Small Cap Core Portfolio
|
MF | Independent / Boutique | 0.22% | $1,542,699.20 | 25,340 | Mar 31, 2026 | May 26, 2026 |
|
-
Adara Smaller Companies Fund
|
ETF | Independent / Boutique | 0.19% | $1,422,172.00 | 17,032 | Feb 28, 2026 | Apr 28, 2026 |
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