What is the 13F Pro Quality Score for ENS?

13F Pro ranks EnerSys (ENS) 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 ENS's current score at https://13fpro.ai/company/ENS (free sign-up required for the full ranking).

Where does 13F Pro source ENS data?

All EnerSys fundamentals and ownership data come directly from SEC EDGAR. EnerSys files with the SEC under CIK 1289308. 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 ENS in?

EnerSys (ENS) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

What drives ENS's revenue?

Per EnerSys's latest 10-Q filed with the SEC on 2026-08-12, the biggest revenue drivers are: Network & Infrastructure Solutions ($428.3M, +9.4% YoY); Industrial Mobility Solutions ($406.8M, -3.2% YoY); Precision Power Solutions ($100.5M, +23.6% YoY). Figures are extracted from the filing text and machine-verified against the document. Full breakdown at https://13fpro.ai/company/ENS.

What are ENS's largest expenses?

EnerSys's latest 10-Q reports these as the largest expense items: Operating expenses ($151.3M, -6.0% YoY); Restructuring and other exit charges ($10.7M, +82.7% YoY); Interest expense ($10.6M, -6.3% YoY). Sourced directly from SEC EDGAR filing text for Q1 FY2027 (quarter ended July 5, 2026).

How often is ENS research updated on 13F Pro?

ENS'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.

EnerSys(ENS)Stock Analysis

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SEC EDGAR: CIK 1289308 ENS stock profile & AI dashboard →

13F Pro Quality Score

63.6/100

Rank #605 of 2,960 stocksTOP 25%

View Technology peers →

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

Revenue Growth

37.5/100

Profitability

60.3/100

Balance Sheet

82.8/100

Earnings Quality

72.3/100

Free Cash Flow

71.4/100

Institutional Flow

73.2/100

Revenue Scale

73.8/100

Dilution Risk

57.0/100

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Why ENS Scores 64/100

exact factor attribution · 2026-09-12

ENS's composite is driven by scale and capital efficiency, held back by revenue growth. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Scale

+3.6 pts

74th pct

Capital efficiency

+3.3 pts

83th pct

Free cash flow

+3.2 pts

71th pct

Earnings quality

+2.2 pts

72th pct

Profitability

+1.5 pts

60th pct

Institutional flow

+1.2 pts

73th pct

Earnings growth

+0.8 pts

66th pct

Shareholder dilution

+0.3 pts

57th pct

Revenue growth

-2.5 pts

38th pct

Latest change (2026-08-12): 56 → 63 · ↑ Revenue growth 7→39; ↑ Dilution 57→85

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

ENS Stock Analysis & AI Quality Score

Data updated 2026-09-12

AI stock analysis and institutional research for EnerSys (ENS), a Technology sector company. 13F Pro's AI-powered ranking engine scores ENS at 63.6/100 on a 32-signal composite quality model, placing it at rank #605 of 2,960 stocks — the top 25% of the AI-ranked universe. ENS scores in the top quartile across balance sheet strength (82.8). Areas of concern include revenue growth (37.5), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q2 2026), EnerSys reports quarterly revenue of $935.6M, net income of $116.5M, an operating margin of 16.2%. Top institutional holders of ENS by reported 13-F value include BlackRock, VANGUARD PORTFOLIO MANAGEMENT, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. ENS trades on the NYSE exchange and files with the SEC under CIK 1289308. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate ENS 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 EnerSys directly from SEC EDGAR. EnerSys's 13F Pro composite quality score has ranged between 47 and 65 since 2021, currently 63.6 — an improving long-term trajectory across 54 quarterly and live scoring snapshots.

✦

Fun facts about EnerSys

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

1
The Basics
U.S. industrial technology company · mid-cap · listed on NYSE · headquartered in Pennsylvania.
2
The Numbers
Annual revenue in the range of $3–4 billion, with operations spanning more than 40 countries — quietly global for a company most people have never heard of.
3
The History
Its roots trace back to the early 20th century, and it was spun off from Yuasa and other predecessor businesses before going public as a standalone company in the 2000s.
4
The Secret
Its biggest customers aren't consumers — they're data centers, military contractors, and telecom operators who absolutely cannot afford the lights to go out.
5
The Lore
It supplies reserve power batteries to the U.S. Armed Forces and is one of the world's largest makers of industrial batteries — the kind that keep cell towers alive during a blackout.
6
The Giveaway
The world's largest manufacturer of stored energy solutions for industrial applications, its ticker is literally the first three letters of "energy" — and yes, it's spelled with an 'S'.

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

✓ 28/28 datapoints verified

AI-extracted from EnerSys's 10-Q filed 2026-08-12 — Q1 FY2027 (quarter ended July 5, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

EnerSys grew net sales 4.8% YoY to $935.6M while operating earnings jumped 75% to $151.4M, aided by a one-time $30.9M IEEPA tariff refund and 45X production tax credits.

Biggest Revenue Drivers

Network & Infrastructure Solutions$428.3M+9.4% YoY

Higher volumes and favorable price/mix across data center, network communications, and industrial customers

Industrial Mobility Solutions$406.8M-3.2% YoY

Lower volumes from macro uncertainty in material handling, offset by a rebound in the transportation market

Biggest Revenue Drivers

Total revenue: $935.6M+4.8% YoY

Network & Infrastructure Solutions$428.3M+9.4% YoY

Higher volumes and favorable price/mix across data center, network communications, and industrial customers

Industrial Mobility Solutions$406.8M-3.2% YoY

Lower volumes from macro uncertainty in material handling, offset by a rebound in the transportation market

Precision Power Solutions$100.5M+23.6% YoY

Increased demand and favorable product/mix

Largest Expense Items

Operating expenses$151.3M-6.0% YoY

Lower selling expenses and reduced accelerated stock compensation versus prior-year quarter

Restructuring and other exit charges$10.7M+82.7% YoY

Reduction-in-force plan and Tijuana, Sao Paulo, and Monterrey facility closure costs

Interest expense$10.6M-6.3% YoY

Lower levels of average debt outstanding ($1,129.5M vs $1,174.9M)

Income tax expense$18.5Meffective rate 13.7% vs 12.5% YoY

Change in the mix of earnings among tax jurisdictions

Margins: Gross margin rose 510bps to 33.5% on 45X credits, IEEPA tariff refunds, and favorable price/mix; operating margin rose 650bps to 16.2% on lower operating expenses and reduced stock compensation.

Watch Items from the Filing

Gross margin included a $30.9M non-recurring reduction in COGS from CAPE Phase 1 IEEPA tariff refunds, a benefit unlikely to repeat at this scale.
Industrial Mobility Solutions net sales fell 3.2% YoY on a 5% organic volume decline amid macro uncertainty in the material handling market.
Company is running five overlapping facility exit programs (Tijuana, Sao Paulo, Monterrey, Ooltewah, Hagen) with a combined ~$37M+ in charges still being incurred.
DOE grant for the Greenville, SC lithium-ion gigafactory was cut from $199M to $150M with a revised, smaller 1 GWh initial scope.
Approximately 40% of sales and related expenses are transacted in foreign currencies, with a 10% adverse FX move estimated to change hedge valuations by $81.7M.

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

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

Revenue

Q2 2026

$935.6M

Net Income

Q2 2026

$116.5M

Free Cash Flow

Q2 2026

$217.7M

Operating Margin

Q2 2026

16.2%

ROIC

Q2 2026

20.1%

D/E Ratio

Q2 2026

0.53

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

+3.7% YoY

$3.75BFY 2026

FY23 $3.71BFY24 $3.58BFY25 $3.62BFY26 $3.75B

Net Income

-19.3% YoY

$293.6MFY 2026

FY23 $175.8MFY24 $269.1MFY25 $363.7MFY26 $293.6M

Operating Income

-8.2% YoY

$426.5MFY 2026

FY23 $278.4MFY24 $351.6MFY25 $464.7MFY26 $426.5M

EPS (Diluted)

-14.3% YoY

$7.70FY 2026

FY23 $4.25FY24 $6.50FY25 $8.99FY26 $7.70

Total Assets

+0.8% YoY

$4.00BFY 2026

FY23 $3.62BFY24 $3.47BFY25 $3.97BFY26 $4.00B

Total Debt

-0.3% YoY

$1.11BFY 2026

FY23 $1.07BFY24 $832.4MFY25 $1.11BFY26 $1.11B

Op. Cash Flow

+110.4% YoY

$547.6MFY 2026

FY23 $279.9MFY24 $457.0MFY25 $260.3MFY26 $547.6M

Free Cash Flow

+235.7% YoY

$467.5MFY 2026

FY23 $191.2MFY24 $370.6MFY25 $139.3MFY26 $467.5M

Metric	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Revenue	$3.75B +3.7%	$3.62B +1.0%	$3.58B -3.4%	$3.71B +10.5%	$3.36B +12.7%	$2.98B
Net Income	$293.6M -19.3%	$363.7M +35.2%	$269.1M +53.1%	$175.8M +22.2%	$143.9M +0.4%	$143.4M
Operating Income	$426.5M -8.2%	$464.7M +32.2%	$351.6M +26.3%	$278.4M +35.0%	$206.3M -4.7%	$216.4M
EPS (Diluted)	$7.70 -14.3%	$8.99 +38.3%	$6.50 +52.9%	$4.25 +26.5%	$3.36 +1.2%	$3.32
Total Assets	$4.00B +0.8%	$3.97B +14.6%	$3.47B -4.2%	$3.62B -3.2%	$3.74B +7.9%	$3.46B
Total Debt	$1.11B -0.3%	$1.11B +33.6%	$832.4M -22.4%	$1.07B -17.4%	$1.30B +29.3%	$1.00B
Operating Cash Flow	$547.6M +110.4%	$260.3M -43.0%	$457.0M +63.3%	$279.9M +526.8%	$-65.6M -118.3%	$358.4M
Free Cash Flow	$467.5M +235.7%	$139.3M -62.4%	$370.6M +93.9%	$191.2M +236.9%	$-139.6M -148.4%	$288.4M

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Available Research

13F Pro tracks comprehensive data for EnerSys 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 ENS

BlackRock, Inc.
$1.2B5,223,912 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$548.6M2,346,138 sh
VANGUARD CAPITAL MANAGEMENT LLC
$385.4M1,648,383 sh
STATE STREET CORP
$354.5M1,514,758 sh
DIMENSIONAL FUND ADVISORS LP
$288.3M1,233,243 sh
Invesco Ltd.
$282.3M1,207,260 sh
GEODE CAPITAL MANAGEMENT, LLC
$261.3M1,117,453 sh
PRICE T ROWE ASSOCIATES INC /MD/
$220.3M942,145 sh
EARNEST PARTNERS LLC
$209.7M896,981 sh
AQR CAPITAL MANAGEMENT LLC
$209.5M905,348 sh

Fund	Value	Shares
BlackRock, Inc.	$1.2B	5,223,912
VANGUARD PORTFOLIO MANAGEMENT LLC	$548.6M	2,346,138
VANGUARD CAPITAL MANAGEMENT LLC	$385.4M	1,648,383
STATE STREET CORP	$354.5M	1,514,758
DIMENSIONAL FUND ADVISORS LP	$288.3M	1,233,243
Invesco Ltd.	$282.3M	1,207,260
GEODE CAPITAL MANAGEMENT, LLC	$261.3M	1,117,453
PRICE T ROWE ASSOCIATES INC /MD/	$220.3M	942,145
EARNEST PARTNERS LLC	$209.7M	896,981
AQR CAPITAL MANAGEMENT LLC	$209.5M	905,348

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Is ENS a good stock to buy?

13F Pro's AI-powered analysis of EnerSys (ENS) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for ENS are available on the ENS 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. ENS is classified as a mid company.

Which hedge funds own ENS?

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 ENS. 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 EnerSys's investment landscape.