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Power Solutions International, Inc.

PSIX
Exchange
Nasdaq
Industry
Engines & Turbines
SEC CIK
0001137091

No open-market purchases or sales by Power Solutions International, Inc. insiders were filed in the last 90 days; 157 institutions reported holding it in 13F filings for Q2 2026, worth $328.5M in total; no superinvestor holds it.

13F holders, Q1 2022

Institutional positions in Power Solutions International, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
4
0 vs. Q4 2021
Shares held
2.51M
+18.1K (+0.7%) vs. Q4 2021
Total value
$7.87M
+$381.0K (+5.1%) vs. Q4 2021
New holders
0
1 more added
Sold out
0
0 more reduced

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PSIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 4 institutions
Q1 2021: 4 institutionsQ2 2021: 4 institutionsQ3 2021: 4 institutionsQ4 2021: 4 institutionsQ1 2022: 4 institutionsQ2 2022: 4 institutionsQ3 2022: 4 institutionsQ4 2022: 4 institutionsQ1 2023: 4 institutionsQ2 2023: 4 institutionsQ3 2023: 4 institutionsQ4 2023: 4 institutionsQ1 2024: 4 institutionsQ2 2024: 4 institutionsQ3 2024: 4 institutionsQ4 2024: 31 institutionsQ1 2025: 66 institutionsQ2 2025: 126 institutionsQ3 2025: 203 institutionsQ4 2025: 195 institutionsQ1 2026: 204 institutionsQ2 2026: 157 institutions
Value heldQ1 2022: $7.87M
Q1 2021: $18.3MQ2 2021: $15.2MQ3 2021: $9.95MQ4 2021: $7.49MQ1 2022: $7.87MQ2 2022: $4.37MQ3 2022: $4.47MQ4 2022: $8.10MQ1 2023: $6.87MQ2 2023: $7.47MQ3 2023: $8.66MQ4 2023: $5.40MQ1 2024: $6.14MQ2 2024: $17.4MQ3 2024: $46.8MQ4 2024: $68.7MQ1 2025: $80.1MQ2 2025: $226.2MQ3 2025: $533.2MQ4 2025: $393.2MQ1 2026: $445.5MQ2 2026: $328.5M
Institutions holding PSIX and their total value by quarter
QuarterHoldersValue
Q2 2026157$328.5M
Q1 2026204$445.5M
Q4 2025195$393.2M
Q3 2025203$533.2M
Q2 2025126$226.2M
Q1 202566$80.1M
Q4 202431$68.7M
Q3 20244$46.8M
Q2 20244$17.4M
Q1 20244$6.14M
Q4 20234$5.40M
Q3 20234$8.66M
Q2 20234$7.47M
Q1 20234$6.87M
Q4 20224$8.10M
Q3 20224$4.47M
Q2 20224$4.37M
Q1 20224$7.87M
Q4 20214$7.49M
Q3 20214$9.95M
Q2 20214$15.2M
Q1 20214$18.3M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Power Solutions International, Inc.; share changes are against Q4 2021.

Institutions holding PSIX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Gagnon Securities LLC1,197,198$3.75M0.61%+18,115+1.5%Added
S Squared Technology, LLC690,074$2.16M1.08%00.0%Unchanged
Gagnon Advisors, LLC626,584$1.96M0.90%00.0%Unchanged
Huntington National Bank1$00.00%00.0%Unchanged