What is the 13F Pro Quality Score for NPK?

13F Pro ranks NATIONAL PRESTO INDUSTRIES INC (NPK) 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 NPK's current score at https://13fpro.ai/research/NPK (free sign-up required for the full ranking).

Which hedge funds own the most NPK stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of NPK include BlackRock,, STATE STREET, DIMENSIONAL FUND ADVISORS. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/NPK as soon as new 13F filings post.

Where does 13F Pro source NPK data?

All NATIONAL PRESTO INDUSTRIES INC fundamentals and ownership data come directly from SEC EDGAR. NATIONAL PRESTO INDUSTRIES INC files with the SEC under CIK 80172. 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 NPK in?

NATIONAL PRESTO INDUSTRIES INC (NPK) is classified in the Industrials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/industrials.

How often is NPK research updated on 13F Pro?

NPK'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.

NATIONAL PRESTO INDUSTRIES INC(NPK)Stock Analysis

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13F Pro Quality Score

53.1/100

Rank #1,298 of 2,879 stocksTOP 50%

View Industrials peers →

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

Revenue Growth

80.5/100

Profitability

45.7/100

Balance Sheet

70.0/100

Earnings Quality

30.4/100

Free Cash Flow

24.9/100

Institutional Flow

47.5/100

Revenue Scale

35.4/100

Dilution Risk

87.9/100

NPK Stock Analysis & AI Quality Score

AI stock analysis and institutional research for NATIONAL PRESTO INDUSTRIES INC (NPK), a Industrials sector company. 13F Pro's AI-powered ranking engine scores NPK at 53.1/100 on a 32-signal composite quality model, placing it at rank #1,298 of 2,879 stocks — the top half of the AI-ranked universe. NPK scores in the top quartile across revenue growth (80.5). Areas of concern include free cash flow (24.9) and earnings quality (30.4), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), NATIONAL PRESTO INDUSTRIES INC reports quarterly revenue of $118.6M, net income of $6.6M, an operating margin of 6.8%. Top institutional holders of NPK by reported 13-F value include BlackRock,, STATE STREET, DIMENSIONAL FUND ADVISORS, based on the most recent SEC filings. NPK trades on the NYSE exchange and files with the SEC under CIK 80172. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate NPK 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 NATIONAL PRESTO INDUSTRIES INC directly from SEC EDGAR. NATIONAL PRESTO INDUSTRIES INC's 13F Pro composite quality score has ranged between 33 and 56 since 2022, currently 53.1 — an improving long-term trajectory across 24 quarterly and live scoring snapshots.

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Fun facts about NATIONAL PRESTO INDUSTRIES INC

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

1
The Basics
A Wisconsin-based industrial conglomerate · small-cap · listed on the NYSE · operating across surprisingly unrelated business segments.
2
The Numbers
Annual revenue in the range of $300–400 million, with a famously conservative balance sheet — the company has historically carried little to no debt and a large cash pile.
3
The History
Founded in the early 20th century in the upper Midwest, it built its reputation making kitchen appliances before branching into businesses that have nothing to do with cooking.
4
The Secret
One of its major revenue streams is defense manufacturing — specifically making ammunition and artillery shells for the U.S. military. Yes, really.
5
The Lore
It is one of the rare industrials where a pressure cooker and a mortar shell both appear in the same annual report — product diversity taken to a surreal extreme.
6
The Giveaway
If you've ever used an electric skillet or a pressure canner bearing a certain patriotic-sounding brand, you've cooked with this company — the one that also helps the Army make things go boom.

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Revenue

Q1 2026

$118.6M

Net Income

Q1 2026

$6.6M

Free Cash Flow

Q1 2026

$29.4M

Operating Margin

Q1 2026

6.8%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+47.7% YoY

$503.5MFY 2025

FY21 $355.8MFY22 $321.6MFY23 $340.9MFY25 $503.5M

Net Income

-4.3% YoY

$33.1MFY 2025

FY21 $25.7MFY22 $20.7MFY23 $34.6MFY25 $33.1M

Operating Income

+14.9% YoY

$40.2MFY 2025

FY21 $30.0MFY22 $22.1MFY23 $35.0MFY25 $40.2M

Total Assets

+13.7% YoY

$500.7MFY 2025

FY21 $420.4MFY22 $411.8MFY23 $440.5MFY25 $500.7M

Op. Cash Flow

-120.1% YoY

$-9.1MFY 2025

FY21 $34.7MFY22 $8.8MFY23 $45.4MFY25 $-9.1M

Metric	FY 2025	FY 2023	FY 2022	FY 2021	FY 2020	FY 2019
Revenue	$503.5M +47.7%	$340.9M +6.0%	$321.6M -9.6%	$355.8M +0.9%	$352.6M +14.3%	$308.5M
Net Income	$33.1M -4.3%	$34.6M +67.0%	$20.7M -19.3%	$25.7M -45.4%	$47.0M +11.2%	$42.2M
Operating Income	$40.2M +14.9%	$35.0M +58.3%	$22.1M -26.3%	$30.0M -46.6%	$56.2M +21.2%	$46.4M
Total Assets	$500.7M +13.7%	$440.5M +7.0%	$411.8M -2.0%	$420.4M -2.9%	$433.2M +5.6%	$410.3M
Operating Cash Flow	$-9.1M -120.1%	$45.4M +417.7%	$8.8M -74.7%	$34.7M -15.3%	$41.0M +327.6%	$9.6M

AI Insight: NPK Financial Trends

NPK's profitability collapsed despite seasonal Q4 strength; operating margins halved year-over-year.

• Q4 2025 revenue surged to $164M, but Q2 2026 dropped to $119M—below Q2 2025's $120M despite margin recovery.

• Operating margin fell from 17.0% in Q4 2024 to 5.0% in Q2 2026; net margin compressed from 15.6% to 5.9%.

• Operating cash flow turned positive at $31M in Q2 2026, first sustained improvement after three consecutive negative quarters.

⚠ Net income collapsed 75% from Q4 2024 ($21M) to Q2 2026 ($7M) despite steady equity base, signaling structural margin pressure.

⚠ Equity grew 17% from $338M to $395M while profitability declined—retention of marginal returns masking operational deterioration.

AI Insight: NPK Ratio Trends

NPK exhibits severe seasonal volatility with profitability collapsing to six-year lows in Q2 2026 after a strong Q4 2025 rebound.

• Operating margin plummeted from 11.4% in Q4 2025 to 6.8% in Q2 2026, marking the lowest level in the dataset.

• ROIC deteriorated from 18.9% in Q4 2025 to 8.1% in Q2 2026, erasing Q4's capital efficiency gains.

• TTM metrics show compression across all profitability ratios: OpMargin 7.6%, NPM 6.2%, ROIC 9.9%.

⚠ Extreme quarter-to-quarter swings suggest either seasonal demand concentration or operational inconsistency requiring clarification.

⚠ Q2 2026 marks third consecutive weak half (Q2–Q3 2025 averaged 6.1% OpMargin); pattern suggests structural seasonal headwind.

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Available Research

13F Pro tracks comprehensive data for NATIONAL PRESTO INDUSTRIES 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 NPK

BlackRock, Inc.
$125.4M915,186 sh
STATE STREET CORP
$54.1M394,560 sh
DIMENSIONAL FUND ADVISORS LP
$43.1M314,283 sh
VANGUARD CAPITAL MANAGEMENT LLC
$29.3M213,869 sh
RENAISSANCE TECHNOLOGIES LLC
$20.3M148,300 sh
ADVISORY RESEARCH INC
$20.2M147,634 sh
Medina Value Partners, LLC
$19.0M138,696 sh
J. Goldman & Co LP
$17.5M127,601 sh
GEODE CAPITAL MANAGEMENT, LLC
$17.4M127,255 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$13.3M97,113 sh

Fund	Value	Shares
BlackRock, Inc.	$125.4M	915,186
STATE STREET CORP	$54.1M	394,560
DIMENSIONAL FUND ADVISORS LP	$43.1M	314,283
VANGUARD CAPITAL MANAGEMENT LLC	$29.3M	213,869
RENAISSANCE TECHNOLOGIES LLC	$20.3M	148,300
ADVISORY RESEARCH INC	$20.2M	147,634
Medina Value Partners, LLC	$19.0M	138,696
J. Goldman & Co LP	$17.5M	127,601
GEODE CAPITAL MANAGEMENT, LLC	$17.4M	127,255
VANGUARD PORTFOLIO MANAGEMENT LLC	$13.3M	97,113

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Is NPK a good stock to buy?

13F Pro's AI-powered analysis of NATIONAL PRESTO INDUSTRIES INC (NPK) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Industrials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for NPK are available on the NPK 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 NPK?

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 NPK. 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 NATIONAL PRESTO INDUSTRIES INC's investment landscape.