Assay

Financial-condition grades for SEC filers

Company Report · as of Oct 9, 2026


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Littelfuse Inc.LFUS · manufacturing
GradeElkBsecond fifth of 255 graded peers; percentile 37.0, sampling error 3.0 points; lower is stronger
Rank95 of 255
ProfitabilityBpercentile 26.1
SolvencyB/Cpercentile 37.4
Growth and financingDpercentile 70.5
Reliability0.94 AUCfailure model, filers with over $2.67B assets; 95% interval 0.88 to 0.97; 61 events, 2020 to 2025
Peer failure rate0.52% a yearItem 1.03 bankruptcies, same asset band, 2012 to 2025
Size bandover $2.67B assetstotal assets $4.0B[1]
Standard universeinsiderevenue above $1M and assets above $10M[1-2]
Warningslate filer
Inputs computable11 of 14
Graded fromfilings received through Feb 19, 2026232 days before the rescan; every figure keyed to the SEC receipt date
Last close$425.222026-10-08; market equity $10.8B; iex feed
Price used in gradeNone
Share price, twelve months to the rescansplit-adjusted close; a lollipop at every rescan carries the letter held then; baseline ticks are SEC receipt dates of the inputs; ranges and dragging scroll the full history
$300$400$500NovDecJanFebMarAprMayJunJulAugSepOctA/BCB/CB$425.30
ABCDE20132014201520162017201820192020202120222023202420252026

Percentile at every rescan on file, Jan 21, 2012 to Oct 9, 2026; stronger toward the top. Hover for the date.

Open this report as it stood on

Letter setLetterPercentileBand
Jan 21, 2012nonen/a
Mar 21, 2012nonen/aQ4
Mar 21, 2015A7.4Q4
May 21, 2020A/B17.4Q4
Feb 21, 2021B27.4Q5
Feb 21, 2023A11.0Q5
Feb 21, 2024A/B18.3Q5
Feb 21, 2025A16.8Q5
Mar 21, 2025A/B19.3Q5
Feb 21, 2026C45.5Q5
Mar 21, 2026B/C40.9Q5
Oct 3, 2026B36.6Q5

Each date opens the report as it stood on that rescan.

Business, in the company's words. Opening of Item 1 of the 10-K received Feb 19, 2026; the document on sec.gov.

Littelfuse, Inc., was incorporated under the laws of the State of Delaware in 1991. References herein to the “Company,” “we,” “our” or “Littelfuse” refer to Littelfuse, Inc. and its subsidiaries. References herein to “2025”, “fiscal 2025” or “fiscal year 2025” refer to the fiscal year ended December 27, 2025. References herein to “2024”, “fiscal 2024” or “fiscal year 2024” refer to the fiscal year ended December 28, 2024. References herein to “2023”, “fiscal 2023” or “fiscal year 2023” refer to the fiscal year ended December 30, 2023. The Company operates on a 52-53 week fiscal year (4-4-5 basis) ending on the Saturday closest to December 31.

Warnings [top]

Late filer. found 1 NT 10-K/Q filings in the last eight quarters

7 checks ran; none of them enters the letter. The checks are listed on the warnings screen.

The Fourteen Inputs [top]

Lower percentile is stronger. Source numbers open the SEC filing; a range that spans filings opens the sources table.

InputPercentile, 0 to 100ValueSourcePeer medianPercentilePeersPeriod end
Profitability, sleeve percentile 26.1
Gross profitability22.9%[1,3]21.9%42.32752025-12-27
Return on invested capitalnot computable9.7%
pretax income must exceed the validity floor and imply a 0%-100% tax rate
Accruals ratio(12.9%)[1,4-6](3.6%)13.73082025-12-27
Gross margin stability, five years1.3 pts[2-3,7-14]2.1 pts22.42292025-12-27
Solvency, sleeve percentile 37.4
Twelve-month failure probability0.03%0.04%18.2342026-03-28
Altman Z double-prime4.60[1,15-20]3.6631.72442025-12-27
Net debt to EBITDA2.13x[18,21-23]1.78x62.51212025-12-27
Interest coveragenot computable5.09x
latest aligned inputs end 2023-12-30; latest annual assets end 2025-12-27
Current ratio2.69x[15-16]2.25x37.03252025-12-27
Growth and financing, sleeve percentile 70.5
Revenue growth, three-year compound(1.7%)[2,8,10,12]2.1%67.22692025-12-27
Free cash flow growth, three-year compound5.1%[5,24-30]13.9%68.81392025-12-27
Reinvestment ratenot computable26.4%
pretax income must exceed the validity floor and imply a 0%-100% tax rate
Asset growth, three years0.5%[1,6,31-32]4.4%65.82792025-12-27
Net share issuance, one year1.6%[33-34]0.01%80.22432026-02-13

Gross profitability. Revenue less cost of goods sold, over total assets.

Accruals ratio. Net income less operating cash flow, over average assets; lower is stronger.

Gross margin stability, five years. Standard deviation of gross margin; lower is stronger.

Twelve-month failure probability. CHS model; lower is stronger.

Net debt to EBITDA. Lower is stronger.

Net share issuance, one year. Split-adjusted; lower is stronger.

Sleeves are equal-weighted; within a sleeve each computable input carries equal weight. Composite -0.120; sampling error 3.0 percentile points on 255 peers.

Among 255 Peers [top]

ABCDELRCX, LAM Research Corp.; A, percentile 8.3; market equity $401.2B; warnings: fortress balance sheetLRCXPH, Parker-Hannifin Corp.; B, percentile 36.6; market equity $119.4BPHCAT, Caterpillar Inc.; C, percentile 51.2; market equity $366.0BCATGLW, Corning Inc.; C/D, percentile 60.2; market equity $131.6BGLWETN, Eaton Corp. plc; D, percentile 69.7; market equity $164.9BETNRTX, RTX Corp.; D, percentile 74.8; market equity $248.4BRTXLFUS 37.0strongerweaker

Composite score of every graded peer, smoothed. Vertical rules are the letter band edges at the 20th, 40th, 60th and 80th percentiles. Small dots are the six largest peers by market equity.

RankCompanyPercentileLetterWarnings
90Crocs, Inc. (CROX)

Crocs, Inc. (CROX)

Bsecond fifth; percentile 35.0

Nasdaq · Rubber & Plastics Footwear

market equity $5.6B; last close $116.72

Warnings: fortress balance sheet; 9 of 14 inputs

35.0Bfortress balance sheet
91Astec Industries Inc. (ASTE)

Astec Industries Inc. (ASTE)

Bsecond fifth; percentile 35.4

Nasdaq · Construction Machinery & Equip

market equity $892.9M; last close $38.81

No active warnings; 10 of 14 inputs

35.4B
92Perma-Pipe International Holdings, Inc. (PPIH)

Perma-Pipe International Holdings, Inc. (PPIH)

Bsecond fifth; percentile 35.8

Nasdaq · Industrial & Commercial Fans & Blowers & Air Purifing Equip

market equity $255.4M; last close $31.15

Warnings: late filer, fortress balance sheet; 9 of 14 inputs

35.8Blate filer, fortress balance sheet
93Veeco Instruments Inc. (VECO)

Veeco Instruments Inc. (VECO)

Bsecond fifth; percentile 36.2

Nasdaq · Special Industry Machinery, NEC

market equity $3.1B; last close $51.53

No active warnings; 12 of 14 inputs

36.2B
94Parker-Hannifin Corp. (PH)

Parker-Hannifin Corp. (PH)

Bsecond fifth; percentile 36.6

NYSE · Miscellaneous Fabricated Metal Products

market equity $119.4B; last close $946.61

No active warnings; 12 of 14 inputs

36.6B
95Littelfuse Inc. (LFUS)

Littelfuse Inc. (LFUS)

Bsecond fifth; percentile 37.0

Nasdaq · Switchgear & Switchboard Apparatus

market equity $10.8B; last close $425.22

Warnings: late filer; 11 of 14 inputs

37.0Blate filer
96Karat Packaging Inc. (KRT)

Karat Packaging Inc. (KRT)

B/Con the B/C boundary; percentile 37.4

Nasdaq · Plastics Products, NEC

market equity $1.1B; last close $54.16

No active warnings; 11 of 14 inputs

37.4B/C
97AZZ Inc. (AZZ)

AZZ Inc. (AZZ)

B/Con the B/C boundary; percentile 37.8

NYSE · Coating, Engraving & Allied Services

market equity $4.1B; last close $136.43

No active warnings; 11 of 14 inputs

37.8B/C
98Advanced Drainage Systems, Inc. (WMS)

Advanced Drainage Systems, Inc. (WMS)

B/Con the B/C boundary; percentile 38.2

NYSE · Plastics Foam Products

market equity $9.5B; last close $126.22

No active warnings; 12 of 14 inputs

38.2B/C
99United States Antimony Corp. (UAMY)

United States Antimony Corp. (UAMY)

B/Con the B/C boundary; percentile 38.6

NYSE · Primary Smelting & Refining of Nonferrous Metals

market equity $556.8M; last close $3.71

Warnings: dilution, fortress balance sheet; 9 of 14 inputs

38.6B/Cdilution, fortress balance sheet
100Gibraltar Industries, Inc. (ROCK)

Gibraltar Industries, Inc. (ROCK)

B/Con the B/C boundary; percentile 39.0

Nasdaq · Steel Works, Blast Furnaces & Rolling & Finishing Mills

market equity $1.1B; last close $37.45

Warnings: fortress balance sheet; 11 of 14 inputs

39.0B/Cfortress balance sheet
Peer policyLetterPercentilePeers
all graded filers, equal sleevesB32.72204
sector peers, equal sleeves (the grade)B37.0255
same exchange, equal sleevesB34.71219
sector peers, equal inputsB/C42.1255

Each letter is one fifth of the 255 graded peers, about 51 companies. A boundary letter (A/B, B/C, C/D, D/E) marks a percentile within one sampling error of a band edge.

What the Price Implies [top]

Market measures at the 2026-10-08 close. None enters the grade. Percentile among graded peers with the same measure.

MeasureValuePeer medianPercentileReading
Twelve-month price change, skipping the latest month60.6%13.7%81hotter than 81 of 100 peers
Distance from 52-week high(13.0%)(24.3%)77closer to its high than 77 of 100 peers
EBIT to enterprise value0.3%4.1%21pricier than 79 of 100 peers
Free cash flow yield3.4%3.4%50pricier than 50 of 100 peers
Book value to price0.230.3431pricier than 69 of 100 peers
Sales to price0.220.5420pricier than 80 of 100 peers
Composite equity issuance, five years(2.5%)(9.5%)61more equity-funded than 61 of 100 peers
Relative strength against the sector, log excess return0.34(0.00)81ahead of 81 of 100 peers

Inputs: market equity $10.8B; EBIT $37.5M; free cash flow $366.1M; book equity $2.5B; sales $2.4B; debt $631.5M; cash $481.7M[35].

Diagnostics [top]

Diagnostics do not feed the grade.

Piotroski F-score: 5 of 9, period end 2025-12-27
Return on assets above zero(1.8%)✗ fail[4,6]
Operating cash flow above zero$433.8M✓ pass[5]
Return on assets improved(4.4 pts)✗ fail[4,6,31,36]
Operating cash flow exceeds net income$505.5M✓ pass[4-5]
Long-term leverage fell(2.0 pts)✓ pass[1,6,31,37-38]
Current ratio improved(88.3 pts)✗ fail[15-16,39-40]
No new shares issued1.6%✗ fail[33-34]
Gross margin improved2.0 pts✓ pass[2-3,7-8]
Asset turnover improved6.5 pts✓ pass[2,6,8,31]
Cash, filings, liquidity
Cash and equivalents$481.7M[41]
Operating cash flow, four quarters$448.3M[5,41-45]
Months of runwaynot finite
trailing operating cash flow is nonnegative, so runway is not finite
Late filings, two years1
NT 10-K or NT 10-Q
Days since last periodic filing72
10-Q received Jul 29, 2026
Median daily dollar volume$85.8M
63 sessions
Days since newest grade input232

Downloads [top]

Sources [top]

Every citation on this page. Filing opens the SEC index page for that submission; viewer opens the SEC interactive data for the same filing; series opens the SEC XBRL API record for that tag and company.

#ConceptXBRL tagValuePeriod endReceivedFormLinks
1assetsus-gaap:Assets$4.0B2025-12-272026-02-1910-Kfiling · viewer · series
2revenueus-gaap:RevenueFromContractWithCustomerIncludingAssessedTax$2.4B2025-12-272026-02-1910-Kfiling · viewer · series
3gross profitus-gaap:GrossProfit$906.0M2025-12-272026-02-1910-Kfiling · viewer · series
4net incomeus-gaap:NetIncomeLoss-$71.7M2025-12-272026-02-1910-Kfiling · viewer · series
5operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$433.8M2025-12-272026-02-1910-Kfiling · viewer · series
6assetsus-gaap:Assets$3.9B2024-12-282026-02-1910-Kfiling · viewer · series
7gross profitus-gaap:GrossProfit$787.5M2024-12-282026-02-1910-Kfiling · viewer · series
8revenueus-gaap:RevenueFromContractWithCustomerIncludingAssessedTax$2.2B2024-12-282026-02-1910-Kfiling · viewer · series
9gross profitus-gaap:GrossProfit$900.2M2023-12-302026-02-1910-Kfiling · viewer · series
10revenueus-gaap:RevenueFromContractWithCustomerIncludingAssessedTax$2.4B2023-12-302026-02-1910-Kfiling · viewer · series
11gross profitus-gaap:GrossProfit$1.0B2022-12-312025-03-1310-Kfiling · viewer · series
12revenueus-gaap:RevenueFromContractWithCustomerIncludingAssessedTax$2.5B2022-12-312025-03-1310-Kfiling · viewer · series
13gross profitus-gaap:GrossProfit$771.9M2022-01-012024-02-1610-Kfiling · viewer · series
14revenueus-gaap:RevenueFromContractWithCustomerIncludingAssessedTax$2.1B2022-01-012024-02-1610-Kfiling · viewer · series
15current assetsus-gaap:AssetsCurrent$1.4B2025-12-272026-02-1910-Kfiling · viewer · series
16current liabilitiesus-gaap:LiabilitiesCurrent$532.8M2025-12-272026-02-1910-Kfiling · viewer · series
17retained earningsus-gaap:RetainedEarningsAccumulatedDeficit$1.7B2025-12-272026-02-1910-Kfiling · viewer · series
18operating incomeus-gaap:OperatingIncomeLoss$37.5M2025-12-272026-02-1910-Kfiling · viewer · series
19book equityus-gaap:StockholdersEquity$2.4B2025-12-272026-02-1910-Kfiling · viewer · series
20liabilitiesus-gaap:Liabilities$1.5B2025-12-272026-02-1910-Kfiling · viewer · series
21total debtus-gaap:LongTermDebt$802.6M2025-12-272026-02-1910-Kfiling · viewer · series
22cashus-gaap:CashAndCashEquivalentsAtCarryingValue$563.4M2025-12-272026-02-1910-Kfiling · viewer · series
23depreciation amortizationus-gaap:Depreciation$74.9M2025-12-272026-02-1910-Kfiling · viewer · series
24capital expenditureus-gaap:PaymentsToAcquirePropertyPlantAndEquipment$67.6M2025-12-272026-02-1910-Kfiling · viewer · series
25operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$367.6M2024-12-282026-02-1910-Kfiling · viewer · series
26capital expenditureus-gaap:PaymentsToAcquirePropertyPlantAndEquipment$75.9M2024-12-282026-02-1910-Kfiling · viewer · series
27operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$457.4M2023-12-302026-02-1910-Kfiling · viewer · series
28capital expenditureus-gaap:PaymentsToAcquirePropertyPlantAndEquipment$86.2M2023-12-302026-02-1910-Kfiling · viewer · series
29operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$419.7M2022-12-312025-03-1310-Kfiling · viewer · series
30capital expenditureus-gaap:PaymentsToAcquirePropertyPlantAndEquipment$104.3M2022-12-312025-03-1310-Kfiling · viewer · series
31assetsus-gaap:Assets$4.0B2023-12-302025-03-1310-Kfiling · viewer · series
32assetsus-gaap:Assets$3.9B2022-12-312024-02-1610-Kfiling · viewer · series
33shares outstandingdei:EntityCommonStockSharesOutstanding25,107,6732026-02-132026-02-1910-Kfiling · viewer · series
34shares outstandingdei:EntityCommonStockSharesOutstanding24,713,0722025-03-072025-03-1310-Kfiling · viewer · series
35shares outstandingdei:EntityCommonStockSharesOutstanding25,288,9042026-05-012026-05-0610-Qfiling · viewer · series
36net incomeus-gaap:NetIncomeLoss$100.2M2024-12-282026-02-1910-Kfiling · viewer · series
37long term debtus-gaap:LongTermDebtNoncurrent$706.4M2025-12-272026-02-1910-Kfiling · viewer · series
38long term debtus-gaap:LongTermDebtNoncurrent$788.5M2024-12-282026-02-1910-Kfiling · viewer · series
39current assetsus-gaap:AssetsCurrent$1.6B2024-12-282026-02-1910-Kfiling · viewer · series
40current liabilitiesus-gaap:LiabilitiesCurrent$433.9M2024-12-282026-02-1910-Kfiling · viewer · series
41cashus-gaap:CashAndCashEquivalentsAtCarryingValue$481.7M2026-03-282026-05-0610-Qfiling · viewer · series
42operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$80.3M2026-03-282026-05-0610-Qfiling · viewer · series
43operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$295.1M2025-09-272025-10-2910-Qfiling · viewer · series
44operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$148.2M2025-06-282025-07-3010-Qfiling · viewer · series
45operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$65.8M2025-03-292026-05-0610-Qfiling · viewer · series

Limitations [top]

Grade boundary. Percentile 37.0 is 3.0 points from the nearest band edge; sampling error is 3.0 points.

Peer group. Sector assignment from four-digit SIC codes, hand-tuned and published. The grade under three alternative peer policies is tabled above.

Size. Within a sector the letter tracks size. Among graded filers in the smallest asset band, 72% grade E and 0% grade A; in the largest, 13% grade E and 21% grade A. Universe as of Oct 9, 2026.

Failure model. filings 2012-01-01 to 2019-12-31 fit, filings 2020-01-01 to 2025-12-31 test; status post hoc pending confirmation. pre-registered on 2026 filings once their 12-month outcome windows close; supported if the paired per-quintile gain over the pooled model has a lower bound above 0.05.

Input validity. Revenue or total assets at or below $100,000 sets the degenerate-inputs flag. An input whose denominator is at or below $100,000 is left not computable rather than ranked.

Returns. No input on this page has a post-2015 confidence interval on returns that excludes zero. The grade ranks reported financial condition and is not a return forecast.