Power Solutions International
PSIX on Nasdaq. Power Solutions International sells engines and power systems to equipment makers and end users. Market value $1.0bn.
Price checks use the past 12 months to June 2026. Quality checks use five annual reports, the latest for the year to December 2025.
Should I look at this?
Worth a closer look
Why it could be worth it
What to watch out for
This is not advice. Check the numbers below.
For every $100 of what the whole company costs, it produced $6.07 of spare cash in the past 12 months. A savings account pays about $4.
You pay 11.9 years of operating profit for the business. The average large US company costs around 18.
Each dollar kept in the business earns 30 cents a year. Above 10 is good.
Quality score: 84 of 100. Price score: 100 of 100. Our list needs 70 on quality and 60 on price.
$47.93 a share, 90% above its 1-year low
Over the past year the price has ranged from $25.28 to $106.50.
Pays no dividend
Prices from Tuesday’s close (6 October).
Five years of cash, in billions
Spare cash swings from quarter to quarter here: $67 million in the past 12 months, $14 million in the year to December 2025.
| Revenue | |||||
| Revenue | $456m | $481m | $459m | $476m | $722m |
| Operating margin | |||||
| Operating margin | -9.1% | 5.1% | 9.6% | 17.2% | 15.2% |
| Debt to equity | |||||
| Debt to equity | n/a | n/a | n/a | 1.84 | 0.54 |
| Shares outstanding | |||||
| Shares outstanding | 0.02bn | 0.02bn | 0.02bn | 0.02bn | 0.02bn |
Health checks
- Free cash flow positive3 of 5 years
- Accounting looks honest (Beneish)Not enough data
- Financial strength (Piotroski)6 of 9
- Profit backed by cash (accruals)No
- Debt0.54× equity
- Revenue growth, five yearsStrong, 11.6% a year
- Buying back its own sharesRoughly flat
The quarter to June 2026
How the business did, compared with the same quarter a year earlier.
- Sales: $153 million last quarter, down 21% on a year ago.
- Profit: $17 million, down 67% on a year ago.
- It keeps 13 cents of each $1 of sales as operating profit, down from 17 cents a year earlier.
- Spare cash over the past 12 months: $67 million, up from $62 million.
- About the same number of shares as a year ago.
- It has $63 million more cash than debt. A year ago debt was $47 million more than cash.
- Sales grew on a year ago in 2 of the last 4 quarters.
| Quarter to | Amount |
|---|---|
| September 2024 | $126m |
| December 2024 | $144m |
| March 2025 | $135m |
| June 2025 | $192m |
| September 2025 | $204m |
| December 2025 | $191m |
| March 2026 | $129m |
| June 2026 | $153m |
| Quarter to | Amount |
|---|---|
| September 2024 | $17m |
| December 2024 | $23m |
| March 2025 | $19m |
| June 2025 | $51m |
| September 2025 | $28m |
| December 2025 | $16m |
| March 2026 | $7m |
| June 2026 | $17m |
From the company's quarterly reports to the SEC.
Dates
- Next results (estimated)
- n/a
- Last annual report (10-K)
- 2 March 2026
- Next quarterly (estimated, 10-Q)
- 5 November 2026
Who owns it
2 long-term investors we follow own it, down from 3 last quarter. 158 funds in all.
| Fund | Value | Share of that fund | Change |
|---|---|---|---|
| Gotham Asset ManagementJoel Greenblatt | $586,150 | <0.1% | Cut |
| Horizon KineticsMurray Stahl | $322,787 | <0.1% | Added |
Sold out this quarter
Largest holders overall
- Point72 Asset Management, L.P.$58mAdded
- BlackRock$32mAdded
- Newtyn Management$23mNew
- Vanguard Capital Management$13m
- Yunqi Capital$13mNew
- Barclays$12mAdded
- Dimensional Fund Advisors LP$12mAdded
- OLP Capital Management$11mNew
- Busey Bank$9m
- Geode Capital Management$8mAdded
From 13F filings for the quarter ended 30 June 2026.
Big holders and activists
6 investors own more than 5%.
- Weichai Power Co., Ltd.at least 47.5%−1.2 pts(filed with 1 related holder)Since 21 August 2025
What they said
Item 4 is hereby amended and supplemented by adding the following: On August 8, 2025, Weichai Amercia filed a notice with the SEC on Form 144 relating to the proposed sale of up to 1,150,000 shares of Common Stock in accordance with Rule 144. From August 18, 2025 to August 21,…
Read the filing - Weichai America Corp.at least 46.5%−1.0 pts(filed with 2 related holders)Since 26 August 2025
What they said
Item 4 is hereby amended and supplemented by adding the following: On August 8, 2025, Weichai Amercia filed a notice with the SEC on Form 144 relating to the proposed sale of up to 1,150,000 shares of Common Stock in accordance with Rule 144. From August 22, 2025 to August 26,…
Read the filing - Neil GagnonPassive investorat least 7.3%0.0 pts(filed with 1 related holder)Since 31 December 2024
- Point72 Asset Management, L.P.Passive investorat least 6.5%+1.5 pts(filed with 2 related holders)Since 30 June 2026
- Gary S. Winemaster6.3%−2.1 ptsSince 18 September 2025
- Neil GagnonPassive investorat least 5.0%+3.0 pts(filed with 2 related holders)Since 5 February 2025
| Holder | Stake | Since | |
|---|---|---|---|
Weichai Power Co., Ltd. | at least 47.5%−1.2 pts (filed with 1 related holder) | 21 August 2025 | What they saidItem 4 is hereby amended and supplemented by adding the following: On August 8, 2025, Weichai Amercia filed a notice with the SEC on Form 144 relating to the proposed sale of up to 1,150,000 shares of Common Stock in accordance with Rule 144. From August 18, 2025 to August 21,… Read the filing |
Weichai America Corp. | at least 46.5%−1.0 pts (filed with 2 related holders) | 26 August 2025 | What they saidItem 4 is hereby amended and supplemented by adding the following: On August 8, 2025, Weichai Amercia filed a notice with the SEC on Form 144 relating to the proposed sale of up to 1,150,000 shares of Common Stock in accordance with Rule 144. From August 22, 2025 to August 26,… Read the filing |
Neil Gagnon Passive investor | at least 7.3%0.0 pts (filed with 1 related holder) | 31 December 2024 | |
Point72 Asset Management, L.P. Passive investor | at least 6.5%+1.5 pts (filed with 2 related holders) | 30 June 2026 | |
Gary S. Winemaster | 6.3%−2.1 pts | 18 September 2025 | |
Neil Gagnon Passive investor | at least 5.0%+3.0 pts (filed with 2 related holders) | 5 February 2025 |
From Schedule 13D and 13G filings: anyone owning more than 5% must file one.
What insiders did
No insider bought or sold on the open market in the last 12 months.
From Form 4 filings: insiders must report trades in their own company's shares within two days.
Warning signs in its filings
Problems the company itself reported to the SEC, in its own words.
None of the warning signs we check for were found.
We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.
We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 2 Mar 2026, plus the 10-Q filed 6 Aug 2026 and 7 later 8-Ks.
A 10-K is the yearly report every US company files with the SEC. An 8-K is a short notice of a big event.
What could go wrong
- Profits run ahead of cash.
Whether the price already reflects the risks is what the deep dive is for.
What changed in the risks this year
Companies must list what could hurt them each year. These are the parts that changed since last year’s report.
The increasing use of artificial intelligence technologies by our competitors, customers, and suppliers could impact our competitive position.
Could happenWe may also face risks from AI technologies used by third parties, including vendors, customers, and service providers, over which we have limited control. Any material disruption to our supply chain or competitive disadvantage resulting from third-party AI adoption could adversely affect our business, financial condition, and results of operations.
Read moreThe Company utilizes a global supply chain to source products, including engines, components and materials, which may subject it to tariffs, including U.S. tariffs imposed on imports from China. The Company also sells its products on a global basis, and therefore its export sales could be impacted by tariffs.
Could happenOn February 20, 2026, subsequent to year end, the U.S. Supreme Court struck down tariffs imposed under the International Emergency Economic Powers Act (“IEEPA”). The President immediately imposed replacement tariffs under Section 122 of the Trade Act of 1974, which are temporary (150-day maximum duration), and has indicated intent to impose tariffs under other authorities going forward . The Company may be entitled to refunds of IEEPA tariffs paid during 2025, but to the extent PSI passed tariff costs through to customers, the Company may be required to reimburse customers for such amounts, which could reduce or eliminate any net benefit from refunds. The tariff environment remains highly uncertain.
Read moreThe increasing use of artificial intelligence technologies by our competitors, customers, and suppliers could impact our competitive position.
Could happenArtificial intelligence (“AI”) and machine learning technologies are rapidly evolving and are increasingly being adopted across industries, including in manufacturing. Our competitors, customers, and suppliers may adopt AI technologies that could affect our competitive position. If we fail to effectively adopt and integrate AI technologies, or if our competitors do so more successfully, we could experience a decline in our competitive position.
Read moreOur liquidity could be adversely affected by volatility in demand, supply‑chain constraints, and significant capital investment requirements inherent in our engine manufacturing operations.
Could happenWe also operate in a capital‑intensive industry that requires ongoing investment in production equipment, testing facilities, tooling, and emissions‑compliance technology. If we are unable to generate sufficient cash from operations or secure financing on favorable terms, we may need to delay or scale back critical investments, which could impair our competitiveness and innovation pipeline.
Read moreOwnership of the Company’s stock is concentrated with Weichai and therefore other stockholders’ ability to influence corporate matters is limited.
Could happen• Legislative or regulatory actions that could restrict or prohibit business relationships with Chinese state-owned entities; and • Increased disclosure requirements or other regulatory burdens applicable to companies with significant foreign government ownership.
The deep dive
Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.
- What the business is worth, as a range, and the margin of safety at today’s price
- Prices to start buying, buy, and buy hard
- The three things that would make this a mistake
- Every number footnoted to the filing it came from
Your first deep dive is free.
Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.