What is the 13F Pro Quality Score for MIR?

13F Pro ranks Mirion Technologies, Inc. (MIR) 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 MIR's current score at https://13fpro.ai/research/MIR (free sign-up required for the full ranking).

Where does 13F Pro source MIR data?

All Mirion Technologies, Inc. fundamentals and ownership data come directly from SEC EDGAR. Mirion Technologies, Inc. files with the SEC under CIK 1809987. 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 MIR in?

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

How often is MIR research updated on 13F Pro?

MIR'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.

Mirion Technologies, Inc.(MIR)Stock Analysis

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13F Pro Quality Score

51.1/100

Rank #1,417 of 2,879 stocksTOP 50%

View Technology peers →

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

Revenue Growth

62.6/100

Profitability

57.3/100

Balance Sheet

37.2/100

Earnings Quality

30.0/100

Free Cash Flow

53.2/100

Institutional Flow

52.8/100

Revenue Scale

47.6/100

Dilution Risk

44.7/100

MIR Stock Analysis & AI Quality Score

AI stock analysis and institutional research for Mirion Technologies, Inc. (MIR), a Technology sector company. 13F Pro's AI-powered ranking engine scores MIR at 51.1/100 on a 32-signal composite quality model, placing it at rank #1,417 of 2,879 stocks — the top half of the AI-ranked universe. Areas of concern include earnings quality (30.0) and balance sheet strength (37.2), which score below median versus the broader universe. Shareholder dilution risk is elevated at 44.7/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), Mirion Technologies, Inc. reports quarterly revenue of $257.6M, net income of $-3.4M, an operating margin of 1.4%. Top institutional holders of MIR by reported 13-F value include BlackRock,, VANGUARD PORTFOLIO MANAGEMENT, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. MIR trades on the NYSE exchange and files with the SEC under CIK 1809987. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MIR 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 Mirion Technologies, Inc. directly from SEC EDGAR. Mirion Technologies, Inc.'s 13F Pro composite quality score has ranged between 8 and 59 since 2023, currently 51.1 — an improving long-term trajectory across 48 quarterly and live scoring snapshots.

✦

Fun facts about Mirion Technologies, Inc.

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

1
The Basics
U.S. technology company · mid-cap · listed on the NYSE · specializes in detection and measurement instruments for demanding environments.
2
The Numbers
Annual revenue in the range of $700–800 million, serving customers across nuclear, defense, and medical end markets globally.
3
The History
The modern company was assembled through decades of acquisitions and went public via a SPAC merger around 2021, bringing together many legacy radiation-sensing businesses under one roof.
4
The Secret
Its core mission is keeping people safe from things they cannot see — measuring ionizing radiation in nuclear plants, hospitals, and military facilities worldwide.
5
The Lore
Some of its product lines trace back to the early days of the nuclear age, and its dosimeters have been used by workers at virtually every major nuclear facility on the planet.
6
The Giveaway
If you work near a nuclear reactor and wear a badge that measures your radiation dose, there's a solid chance this company made it — and its ticker is fitting for a firm that monitors invisible energy.

▶ Think you know your stocks? Play the Daily Ticker

Revenue

Q1 2026

$257.6M

Net Income

Q1 2026

$-3.4M

Free Cash Flow

Q1 2026

$9.4M

Operating Margin

Q1 2026

1.4%

ROIC

Q1 2026

0.2%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+7.5% YoY

$860.8MFY 2024

FY20 —FY22 $717.8MFY23 $800.9MFY24 $860.8M

Net Income

+62.7% YoY

$-36.1MFY 2024

FY20 $-45.3MFY22 $-276.9MFY23 $-96.9MFY24 $-36.1M

Operating Income

+213.2% YoY

$24.8MFY 2024

FY20 —FY22 $-297.8MFY23 $-21.9MFY24 $24.8M

EPS (Diluted)

+63.3% YoY

$-0.18FY 2024

FY20 —FY22 $-1.53FY23 $-0.49FY24 $-0.18

Total Assets

-3.0% YoY

$2.64BFY 2024

FY20 $751.3MFY22 $2.74BFY23 $2.72BFY24 $2.64B

Total Debt

+0.1% YoY

$687.6MFY 2024

FY20 —FY22 $812.1MFY23 $687.1MFY24 $687.6M

Op. Cash Flow

+4.1% YoY

$99.1MFY 2024

FY20 $-945.4KFY22 $39.4MFY23 $95.2MFY24 $99.1M

Metric	FY 2024	FY 2023	FY 2022	FY 2020
Revenue	$860.8M +7.5%	$800.9M +11.6%	$717.8M	—
Net Income	$-36.1M +62.7%	$-96.9M +65.0%	$-276.9M -511.9%	$-45.3M
Operating Income	$24.8M +213.2%	$-21.9M +92.6%	$-297.8M	—
EPS (Diluted)	$-0.18 +63.3%	$-0.49 +68.0%	$-1.53	—
Total Assets	$2.64B -3.0%	$2.72B -0.7%	$2.74B +264.5%	$751.3M
Total Debt	$687.6M +0.1%	$687.1M -15.4%	$812.1M	—
Operating Cash Flow	$99.1M +4.1%	$95.2M +141.6%	$39.4M +4267.8%	$-945.4K

AI Insight: MIR Financial Trends

Debt reduction of ~$240M in Q2 2025 is the standout development, though net income remains inconsistently profitable across quarters.

• Total debt fell sharply from $688M in Q4 2024 to $445M in Q2 2025 and held flat through Q1 2026, a ~35% reduction.

• Revenue grew year-over-year: Q1 2026 at $258M vs. $202M in Q1 2025, a ~28% increase.

• Net income remains volatile — swinging from $17M in Q4 2025 to -$3M in Q1 2026, reflecting persistent earnings instability.

• Operating cash flow showed a seasonal pattern, peaking in Q4 each year ($61M in Q4 2024, $73M in Q4 2025), but weak in Q1 2026 at $19M.

⚠ Operating income compressed to $4M in Q1 2026 from $26M in Q4 2025 — margin sustainability remains unproven outside Q4.

⚠ Equity jumped from $1,504M in Q1 2025 to $1,841M in Q3 2025 — source of the increase warrants monitoring for dilution risk.

⚠ Operating CF of $12M in Q2 2025 was the weakest in eight quarters — watch whether Q2 2026 repeats this trough.

AI Insight: MIR Ratio Trends

Leverage has halved from 0.46 to 0.24 D/E since Q1 2025, but profitability remains thin and volatile across quarters.

• D/E ratio fell from 0.46 in Q1 2025 to 0.24 in Q3 2025, holding there through Q1 2026 — a meaningful deleveraging.

• Q4 seasonality is pronounced: OpMargin spiked to 11.4% in Q4 2024 and 9.2% in Q4 2025 vs. low single digits in other quarters.

• Q1 2026 OpMargin fell to 1.4% and NPM turned negative at -1.3%, reversing Q4 2025's 9.2% / 6.2% readings.

• TTM ROIC of 2.0% remains very low, barely above Q2 2025's 2.1%, signaling weak capital returns on an annualized basis.

⚠ Q1 2026 ROIC dropped to 0.7% — the weakest reading since Q3 2024's -0.3% — worth monitoring for a recovery trajectory.

⚠ Heavy Q4 seasonality masks underlying earnings quality; watch whether non-Q4 quarters can sustain OpMargin above 4%.

⚠ D/E stabilization at 0.24 is encouraging; confirm debt reduction is structural and not temporary working-capital timing.

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Available Research

13F Pro tracks comprehensive data for Mirion Technologies, 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 MIR

BlackRock, Inc.
$703.8M37,857,697 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$332.9M17,905,722 sh
VANGUARD CAPITAL MANAGEMENT LLC
$195.3M10,505,195 sh
STATE STREET CORP
$175.3M9,430,017 sh
COOPERMAN LEON G
$155.8M8,383,441 sh
GOLDMAN SACHS GROUP INC
$136.6M7,349,668 sh
FMR LLC
$121.8M6,551,692 sh
GEODE CAPITAL MANAGEMENT, LLC
$110.4M5,940,175 sh
MILLENNIUM MANAGEMENT LLC
$94.9M5,106,801 sh
DIMENSIONAL FUND ADVISORS LP
$87.2M4,694,288 sh

Fund	Value	Shares
BlackRock, Inc.	$703.8M	37,857,697
VANGUARD PORTFOLIO MANAGEMENT LLC	$332.9M	17,905,722
VANGUARD CAPITAL MANAGEMENT LLC	$195.3M	10,505,195
STATE STREET CORP	$175.3M	9,430,017
COOPERMAN LEON G	$155.8M	8,383,441
GOLDMAN SACHS GROUP INC	$136.6M	7,349,668
FMR LLC	$121.8M	6,551,692
GEODE CAPITAL MANAGEMENT, LLC	$110.4M	5,940,175
MILLENNIUM MANAGEMENT LLC	$94.9M	5,106,801
DIMENSIONAL FUND ADVISORS LP	$87.2M	4,694,288

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Is MIR a good stock to buy?

13F Pro's AI-powered analysis of Mirion Technologies, Inc. (MIR) 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 MIR are available on the MIR 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 MIR?

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 MIR. 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 Mirion Technologies, Inc.'s investment landscape.