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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, Q4 2025

Institutional positions in Power Solutions International, Inc. as of Dec 31, 2025. 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
195
−5 vs. Q3 2025
Shares held
6.85M
+1.46M (+27.0%) vs. Q3 2025
Total value
$393.2M
−$134.4M (−25.5%) vs. Q3 2025
New holders
54
93 more added
Sold out
59
30 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 195 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 heldQ4 2025: $393.2M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Power Solutions International, Inc.; share changes are against Q3 2025.

Institutions holding PSIX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank1$570.00%00.0%Unchanged
EverSource Wealth Advisors, LLC1$570.00%+1New
US Bancorp2$1140.00%00.0%Unchanged
Massmutual Trust Co FSB2$1140.00%+2New
Pinpoint Asset Management (Singapore) Pte. Ltd.2$1140.00%+2New
Central Trust Co2$1150.00%+2New
Clearstead Advisors, LLC4$2290.00%00.0%Unchanged
Nisa Investment Advisors, LLC7$4000.00%+7New
GAMMA Investing LLC8$4570.00%+2+33.3%Added
Fortitude Family Office, LLC12$6860.00%00.0%Unchanged
Signaturefd, LLC12$6860.00%+8+200.0%Added
Assetmark, Inc20$1.14K0.00%+20New
Hughes Financial Services, LLC24$1.37K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc24$1.37K0.00%00.0%Unchanged
International Assets Investment Management, LLC25$1.43K0.00%+25New
Allworth Financial LP26$1.49K0.00%−98−79.0%Reduced
Harbour Investments, Inc.50$2.86K0.00%00.0%Unchanged
Harbor Capital Advisors, Inc.46$3.00K0.00%+1+2.2%Added
NBC Securities, Inc.64$3.66K0.00%00.0%Unchanged
CoreCap Advisors, LLC71$4.06K0.00%+71New
Sterling Capital Management LLC86$4.91K0.00%+34+65.4%Added
Bullock Wealth Management Group91$5.20K0.00%00.0%Unchanged
AdvisorNet Financial, Inc100$5.71K0.00%+66+194.1%Added
Costello Asset Management, INC100$5.71K0.00%+100New
Sunbelt Securities, Inc.105$6.00K0.00%+105New
Sound Income Strategies, LLC100$7.60K0.00%+100New
Darwin Advisors, LLC150$8.57K0.00%+150New
Comerica Bank152$8.69K0.00%+111+270.7%Added
IFP Advisors, Inc181$10.3K0.00%+9+5.2%Added
Stone House Investment Management, LLC190$10.9K0.00%+125+192.3%Added
Luminist Capital LLC200$11.4K0.01%00.0%Unchanged
The PNC Financial Services Group, Inc.200$11.4K0.00%+200New
GWM Advisors LLC205$11.7K0.00%+105+105.0%Added
Tower Research Capital LLC (TRC)216$12.3K0.00%−121−35.9%Reduced
Financial Freedom, LLC235$13.4K0.01%+235New
Federated Hermes, Inc.256$14.6K0.00%−9−3.4%Reduced
Amalgamated Bank269$15.0K0.00%+45+20.1%Added
Quarry LP283$16.2K0.00%+283New
Jones Financial Companies LLLP294$16.8K0.00%+10+3.5%Added
Strive Financial Group ,LLC400$22.9K0.01%+400New
Ameritas Investment Partners, Inc.695$39.7K0.00%+147+26.8%Added
State of Wyoming853$48.7K0.01%+853New
Compagnie Lombard Odier SCmA1,000$57.1K0.00%00.0%Unchanged
Indiana Trust & Investment Management CO1,000$57.1K0.02%+1,000New
CWM, LLC1,302$74.0K0.00%+113+9.5%Added
Public Employees Retirement System of Ohio1,343$76.7K0.00%+1,343New
Financial Consulate, Inc1,505$86.0K0.01%+5+0.3%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,618$92.0K0.00%+1,618New
SG Americas Securities, LLC1,783$102.0K0.00%+55+3.2%Added
STRS Ohio1,800$102.9K0.00%−2,200−55.0%Reduced
Rockefeller Capital Management L.P.1,812$103.5K0.00%+1,162+178.8%Added
KLP Kapitalforvaltning AS1,900$108.6K0.00%00.0%Unchanged
New York State Common Retirement Fund2,100$120.0K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey2,303$131.6K0.00%+393+20.6%Added
FMR LLC2,317$132.4K0.00%+613+36.0%Added
Creative Financial Designs Inc2,485$142.0K0.01%−410−14.2%Reduced
Spire Wealth Management3,006$171.8K0.01%−1,319−30.5%Reduced
Caitong International Asset Management Co., Ltd3,026$172.9K0.04%+2,721+892.1%Added
Truvestments Capital LLC3,039$173.6K0.03%+114+3.9%Added
Quest Partners LLC3,113$177.9K0.01%+3,113New
OP Asset Management Ltd3,134$179.1K0.00%+3,134New
Triumph Capital Management3,547$202.7K0.04%+3,547New
Versor Investments LP3,600$205.7K0.03%+797+28.4%Added
Meridian Wealth Management, LLC3,656$208.9K0.01%+3,656New
Adapt Wealth Advisors, LLC3,730$213.1K0.07%+1,225+48.9%Added
Simplex Trading, LLC3,802$217.2K0.01%−773−16.9%Reduced
PharVision Advisers, LLC3,843$219.6K0.11%+3,843New
Virginia Retirement Systems Et Al3,850$220.0K0.00%+3,850New
Martingale Asset Management L P3,928$224.4K0.01%+3,928New
Mirae Asset Global ETFs Holdings Ltd.3,964$226.5K0.00%+922+30.3%Added
Sigma Planning Corp4,035$230.6K0.01%+4,035New
Revisor Wealth Management LLC3,432$233.8K0.06%+3,432New
Advisory Services Network, LLC4,411$252.1K0.00%−2,365−34.9%Reduced
Integrated Quantitative Investments LLC4,553$260.2K0.06%+4,553New
Balyasny Asset Management LLC4,555$260.3K0.00%+4,555New
Manufacturers Life Insurance Company, The4,563$260.7K0.00%−319−6.5%Reduced
Price T Rowe Associates Inc4,554$261.0K0.00%+1,083+31.2%Added
Allianz Asset Management GmbH4,654$265.9K0.00%+4,654New
D'Orazio & Associates, Inc.4,705$268.8K0.03%−273−5.5%Reduced
MetLife Investment Management4,766$272.3K0.00%+825+20.9%Added
Alps Advisors Inc4,884$279.1K0.00%+54+1.1%Added
Farther Finance Advisors, LLC4,964$283.6K0.00%+1,207+32.1%Added
Kestra Advisory Services, LLC4,994$285.4K0.00%+557+12.6%Added
Perritt Capital Management Inc5,000$285.7K0.48%00.0%Unchanged
Sentinus, LLC5,000$285.7K0.03%+5,000New
Universal- Beteiligungs- und Servicegesellschaft mbH5,139$299.9K0.00%+5,139New
Group One Trading, L.P.5,326$304.3K0.01%+345+6.9%Added
Engineers Gate Manager LP5,432$310.4K0.00%−3,680−40.4%Reduced
Teacher Retirement System of Texas5,440$310.8K0.00%+1,568+40.5%Added
Quantbot Technologies LP5,665$323.7K0.01%+5,339+1,637.7%Added
Royal Bank of Canada5,787$331.0K0.00%−1,470−20.3%Reduced
Citigroup Inc5,801$331.5K0.00%+4,425+321.6%Added
Deutsche Bank AG5,913$337.9K0.00%+1,135+23.8%Added
AlphaGrep UK Ltd5,922$338.4K0.11%+5,922New
JPMorgan Chase & Co5,993$342.4K0.00%+3,304+122.9%Added
Sequent Planning LLC6,163$352.2K0.09%+6,163New
Picton Mahoney Asset Management6,263$357.9K0.00%−1,217−16.3%Reduced
Vestcor Inc6,741$385.0K0.01%00.0%Unchanged
Great Valley Advisor Group, Inc.7,079$404.5K0.01%+2,630+59.1%Added
Two Sigma Securities, LLC7,413$423.6K0.06%+7,413New