What is the 13F Pro Quality Score for PSIX?

13F Pro ranks POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View PSIX's current score at https://13fpro.ai/research/PSIX (free sign-up required for the full ranking).

Where does 13F Pro source PSIX data?

All POWER SOLUTIONS INTERNATIONAL, INC. fundamentals and ownership data come directly from SEC EDGAR. POWER SOLUTIONS INTERNATIONAL, INC. files with the SEC under CIK 1137091. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is PSIX in?

POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) is classified in the Industrials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/industrials.

What drives PSIX's revenue?

Per POWER SOLUTIONS INTERNATIONAL, INC.'s latest 10-Q filed with the SEC on 2026-05-11, the biggest revenue drivers are: Power Systems ($96.5M, -4% YoY); Industrial ($26.6M, +13% YoY); Transportation ($5.5M, +5% YoY). Figures are extracted from the filing text and machine-verified against the document. Full breakdown at https://13fpro.ai/research/PSIX.

What are PSIX's largest expenses?

POWER SOLUTIONS INTERNATIONAL, INC.'s latest 10-Q reports these as the largest expense items: Cost of sales ($99.2M, +4% YoY); Selling, general and administrative ($13.0M, +17% YoY); Research and development ($4.8M, +13% YoY). Sourced directly from SEC EDGAR filing text for Q1 2026 (quarter ended March 31, 2026).

How often is PSIX research updated on 13F Pro?

PSIX's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

POWER SOLUTIONS INTERNATIONAL, INC.(PSIX)Stock Analysis

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13F Pro Quality Score

75.0/100

Rank #142 of 2,879 stocksTOP 5%

View Industrials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

81.6/100

Profitability

83.2/100

Balance Sheet

98.1/100

Earnings Quality

92.8/100

Free Cash Flow

56.5/100

Institutional Flow

70.6/100

Revenue Scale

41.4/100

Dilution Risk

89.4/100

PSIX Stock Analysis & AI Quality Score

AI stock analysis and institutional research for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX), a Industrials sector company. 13F Pro's AI-powered ranking engine scores PSIX at 75.0/100 on a 32-signal composite quality model, placing it at rank #142 of 2,879 stocks — the top 5% of the AI-ranked universe. PSIX scores in the top quartile across balance sheet strength (98.1), earnings quality (92.8), profitability (83.2). Based on the latest XBRL financial filings (Q1 2026), POWER SOLUTIONS INTERNATIONAL, INC. reports quarterly revenue of $128.6M, net income of $7.3M, an operating margin of 8.9%. Top institutional holders of PSIX by reported 13-F value include BlackRock,, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP, Situational Awareness, based on the most recent SEC filings. PSIX trades on the Nasdaq exchange and files with the SEC under CIK 1137091. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate PSIX daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for POWER SOLUTIONS INTERNATIONAL, INC. directly from SEC EDGAR. POWER SOLUTIONS INTERNATIONAL, INC.'s 13F Pro composite quality score has ranged between 56 and 76 since 2025, currently 75.0 — an improving long-term trajectory across 12 quarterly and live scoring snapshots.

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Fun facts about POWER SOLUTIONS INTERNATIONAL, INC.

Quirks, history, and lore behind PSIX — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. industrial company · small-cap · listed on Nasdaq · headquartered in Illinois.
2
The Numbers
Annual revenue in the range of a few hundred million dollars, serving customers who need reliable power in places where the grid just isn't an option.
3
The History
Traces its roots to the 1980s, building a niche around alternative-fuel engines at a time when most competitors were still married to diesel and gasoline.
4
The Secret
Its engines are designed to run on natural gas, propane, and other alternative fuels — quietly powering forklifts, generators, and industrial equipment you'd never glamorize on a magazine cover.
5
The Lore
Its customer list reads like a who's-who of industrial OEMs — the company rarely sells to end users directly; it sells the engine inside the machine someone else builds.
6
The Giveaway
If you need a custom-engineered alternative-fuel engine for an off-road or stationary application, this Wood Dale, Illinois specialist — ticker PSIX — has been solving that problem for decades.

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What's Driving PSIX's Business? Latest 10-Q Breakdown

AI-extracted from POWER SOLUTIONS INTERNATIONAL, INC.'s 10-Q filed 2026-05-11 — Q1 2026 (quarter ended March 31, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

Biggest Revenue Drivers

Total revenue: $128.6M-5% YoY

Power Systems$96.5M-4% YoY

Decline reflects softness in oil and gas markets and uneven data center order patterns and shipment timing.

Industrial$26.6M+13% YoY

Increase of $3.0 million driven by higher customer demand.

Transportation$5.5M+5% YoY

Modest increase of $0.3 million.

Largest Expense Items

Cost of sales$99.2M+4% YoY

Elevated production costs associated with capacity ramp-up at Wisconsin operations; unfavorable product mix.

Selling, general and administrative$13.0M+17% YoY

Higher compensation expense from SAR revaluation, incremental MTL expenses, and administrative costs.

Research and development$4.8M+13% YoY

Higher R&D program expenditures supporting new programs in 2026.

Interest expense$1.7M-1% YoY

Lower overall effective interest rates.

Watch Items from the Filing

Customer B represents 12% of Q1 2026 revenue (vs. 22% in Q1 2025) and 10% of accounts receivable; Customer C at 27% of Q1 2026 revenue and 16% of receivables; concentration risk persists across top customers.
Data center-driven orders form key growth thesis, but timing and volume remain subject to customer scheduling, manufacturing throughput, and supply chain factors; management explicitly states 'no specific level' can be predicted.
Oil and gas end market softness expected to persist; company is managing capital allocation and expenses in response to uncertain macroeconomic conditions and potential tariff impacts.
Wisconsin capacity ramp-up costs expected to continue; trajectory of further improvement depends on product mix, throughput, and operational factors, creating margin uncertainty.
Pending securities class action filed March 20, 2026 (Dishion v. PSI) alleges misstatements regarding demand, capacity, and efficiency; company cannot reasonably estimate possible loss at early stage.

AI-extracted and verified against SEC EDGAR filing text. Not investment advice.

Read the full 10-Q on SEC EDGAR →Share on X

Revenue

Q1 2026

$128.6M

Net Income

Q1 2026

$7.3M

Free Cash Flow

Q1 2026

$19.1M

Operating Margin

Q1 2026

8.9%

D/E Ratio

Q1 2026

0.58

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+50.1% YoY

$722.4MFY 2025

FY20 $417.6MFY21 $456.3MFY22 $481.3MFY25 $722.4M

Net Income

+911.4% YoY

$114.0MFY 2025

FY20 $-23.0MFY21 $-48.5MFY22 $11.3MFY25 $114.0M

Operating Income

+346.0% YoY

$109.7MFY 2025

FY20 $-21.7MFY21 $-41.6MFY22 $24.6MFY25 $109.7M

EPS (Diluted)

+908.2% YoY

$4.94FY 2025

FY20 $-1.00FY21 $-2.12FY22 $0.49FY25 $4.94

Total Assets

+32.8% YoY

$424.7MFY 2025

FY20 $284.0MFY21 $300.5MFY22 $319.9MFY25 $424.7M

Total Debt

-54.2% YoY

$96.6MFY 2025

FY20 $131.7MFY21 $180.9MFY22 $211.0MFY25 $96.6M

Op. Cash Flow

+372.6% YoY

$24.1MFY 2025

FY20 $-7.6MFY21 $-61.5MFY22 $-8.8MFY25 $24.1M

Metric	FY 2025	FY 2022	FY 2021	FY 2020	FY 2019	FY 2018
Revenue	$722.4M +50.1%	$481.3M +5.5%	$456.3M +9.2%	$417.6M -23.5%	$546.1M +478.4%	$94.4M
Net Income	$114.0M +911.4%	$11.3M +123.3%	$-48.5M -110.9%	$-23.0M -378.6%	$8.2M +115.1%	$-54.7M
Operating Income	$109.7M +346.0%	$24.6M +159.2%	$-41.6M -91.4%	$-21.7M -226.3%	$17.2M +264.7%	$-10.4M
EPS (Diluted)	$4.94 +908.2%	$0.49 +123.1%	$-2.12 -112.0%	$-1.00 -363.2%	$0.38 +149.4%	$-0.77
Total Assets	$424.7M +32.8%	$319.9M +6.4%	$300.5M +5.8%	$284.0M -9.5%	$313.7M +8.2%	$289.9M
Total Debt	$96.6M -54.2%	$211.0M +16.6%	$180.9M +37.3%	$131.7M +135.8%	$55.9M +1.2%	$55.2M
Operating Cash Flow	$24.1M +372.6%	$-8.8M +85.6%	$-61.5M -709.6%	$-7.6M -141.8%	$18.2M +394.4%	$-6.2M

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Available Research

13F Pro tracks comprehensive data for POWER SOLUTIONS INTERNATIONAL, INC. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of PSIX

BlackRock, Inc.
$43.6M715,556 sh
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$28.4M466,204 sh
Situational Awareness LP
$26.3M432,300 sh
Situational Awareness Partners LP
$26.3M432,300 sh
VANGUARD CAPITAL MANAGEMENT LLC
$20.8M340,974 sh
Allspring Global Investments Holdings, LLC
$19.9M301,168 sh
DIMENSIONAL FUND ADVISORS LP
$17.2M283,241 sh
BARCLAYS PLC
$14.6M239,046 sh
Busey Wealth Management
$13.4M220,000 sh
GEODE CAPITAL MANAGEMENT, LLC
$12.0M196,297 sh

Fund	Value	Shares
BlackRock, Inc.	$43.6M	715,556
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$28.4M	466,204
Situational Awareness LP	$26.3M	432,300
Situational Awareness Partners LP	$26.3M	432,300
VANGUARD CAPITAL MANAGEMENT LLC	$20.8M	340,974
Allspring Global Investments Holdings, LLC	$19.9M	301,168
DIMENSIONAL FUND ADVISORS LP	$17.2M	283,241
BARCLAYS PLC	$14.6M	239,046
Busey Wealth Management	$13.4M	220,000
GEODE CAPITAL MANAGEMENT, LLC	$12.0M	196,297

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Is PSIX a good stock to buy?

13F Pro's AI-powered analysis of POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Industrials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for PSIX are available on the PSIX stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own PSIX?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling PSIX. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of POWER SOLUTIONS INTERNATIONAL, INC.'s investment landscape.