What is the 13F Pro Quality Score for AMG?

13F Pro ranks AFFILIATED MANAGERS GROUP, INC. (AMG) 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 AMG's current score at https://13fpro.ai/research/AMG (free sign-up required for the full ranking).

Which hedge funds own the most AMG stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of AMG include BlackRock,, MORGAN STANLEY, VANGUARD PORTFOLIO MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/AMG as soon as new 13F filings post.

Where does 13F Pro source AMG data?

All AFFILIATED MANAGERS GROUP, INC. fundamentals and ownership data come directly from SEC EDGAR. AFFILIATED MANAGERS GROUP, INC. files with the SEC under CIK 1004434. 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 AMG in?

AFFILIATED MANAGERS GROUP, INC. (AMG) is classified in the Financials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/financials.

How often is AMG research updated on 13F Pro?

AMG'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.

AFFILIATED MANAGERS GROUP, INC.(AMG)Stock Analysis

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13F Pro Quality Score

60.3/100

Rank #858 of 2,879 stocksTOP 50%

View Financials peers →

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

Revenue Growth

33.1/100

Profitability

82.0/100

Balance Sheet

71.2/100

Earnings Quality

24.8/100

Free Cash Flow

92.6/100

Institutional Flow

15.7/100

Revenue Scale

62.8/100

Dilution Risk

24.8/100

AMG Stock Analysis & AI Quality Score

AI stock analysis and institutional research for AFFILIATED MANAGERS GROUP, INC. (AMG), a Financials sector company. 13F Pro's AI-powered ranking engine scores AMG at 60.3/100 on a 32-signal composite quality model, placing it at rank #858 of 2,879 stocks — the top half of the AI-ranked universe. AMG scores in the top quartile across free cash flow (92.6), profitability (82.0). Areas of concern include institutional flow (15.7) and earnings quality (24.8), which score below median versus the broader universe. Shareholder dilution risk is elevated at 24.8/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), AFFILIATED MANAGERS GROUP, INC. reports quarterly revenue of $506.5M, net income of $110.4M, free cash flow of $295.5M. Top institutional holders of AMG by reported 13-F value include BlackRock,, MORGAN STANLEY, VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. AMG trades on the NYSE exchange and files with the SEC under CIK 1004434. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate AMG 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 AFFILIATED MANAGERS GROUP, INC. directly from SEC EDGAR. AFFILIATED MANAGERS GROUP, INC.'s 13F Pro composite quality score has ranged between 57 and 68 since 2021, currently 60.3 — an improving long-term trajectory across 28 quarterly and live scoring snapshots.

Revenue

Q1 2026

$506.5M

Net Income

Q1 2026

$110.4M

Free Cash Flow

Q1 2026

$295.5M

D/E Ratio

Q1 2026

0.94

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+0.8% YoY

$2.07BFY 2025

FY20 $2.03BFY22 $2.33BFY23 $2.06BFY25 $2.07B

Net Income

+6.5% YoY

$716.6MFY 2025

FY20 $202.2MFY22 $1.15BFY23 $672.9MFY25 $716.6M

Operating Income

—FY 2025

FY20 —FY22 —FY23 —FY25 —

EPS (Diluted)

+30.5% YoY

$22.74FY 2025

FY20 $4.33FY22 $25.35FY23 $17.42FY25 $22.74

Total Assets

+1.6% YoY

$9.21BFY 2025

FY20 $7.89BFY22 $8.88BFY23 $9.06BFY25 $9.21B

Total Debt

+6.1% YoY

$2.69BFY 2025

FY20 $2.31BFY22 $2.54BFY23 $2.54BFY25 $2.69B

Op. Cash Flow

+11.3% YoY

$973.2MFY 2025

FY20 $1.01BFY22 $1.05BFY23 $874.3MFY25 $973.2M

Metric	FY 2025	FY 2023	FY 2022	FY 2020	FY 2017	FY 2016
Revenue	$2.07B +0.8%	$2.06B -11.7%	$2.33B +14.9%	$2.03B -12.0%	$2.31B +5.0%	$2.19B
Net Income	$716.6M +6.5%	$672.9M -41.3%	$1.15B +466.7%	$202.2M -70.7%	$689.5M +45.8%	$472.8M
Operating Income	—	—	—	—	$1.11B +7.1%	$1.03B
EPS (Diluted)	$22.74 +30.5%	$17.42 -31.3%	$25.35 +485.5%	$4.33 -64.0%	$12.03 +40.4%	$8.57
Total Assets	$9.21B +1.6%	$9.06B +2.0%	$8.88B +12.6%	$7.89B -9.3%	$8.70B -0.5%	$8.75B
Total Debt	$2.69B +6.1%	$2.54B +0.1%	$2.54B +9.7%	$2.31B +49.1%	$1.55B +78.5%	$868.6M
Operating Cash Flow	$973.2M +11.3%	$874.3M -17.1%	$1.05B +4.5%	$1.01B -13.8%	$1.17B +11.4%	$1.05B

AI Insight: AMG Financial Trends

Net income surged 53% YoY in Q4 2025 while operating cash flow accelerated, but debt climbed 11% and equity contracted 7% into Q1 2026.

• Net income jumped to $348M in Q4 2025 from $162M in Q4 2024; Q1 2026 normalized to $110M but remains above mid-2025 levels.

• Operating cash flow averaged $263M over last four quarters vs. $233M in prior four quarters, demonstrating consistent conversion.

• Revenue grew 6% from Q4 2024 ($524M) to Q4 2025 ($557M); Q1 2026 at $545M suggests seasonal softness, not structural decline.

⚠ Total debt jumped 11% QoQ to $2.919B in Q1 2026, highest level in dataset; equity fell 7% to $3.090B, lowest on record.

⚠ Net income declined 68% from Q4 2025 ($348M) to Q1 2026 ($110M); assess whether this is typical Q1 seasonality or early-year headwind.

AI Insight: AMG Ratio Trends

AMG's profitability metrics collapsed in Q1 2026 after exceptional Q4 2025, signaling sharp seasonality or operational headwinds.

• Operating margin plunged from 94.4% in Q4 2025 to 35.4% in Q1 2026; net profit margin fell from 62.5% to 20.3%.

• ROIC contracted 22.6pp Q4 2025 to Q1 2026 (35.4% to 12.8%), worst quarter since Q2 2024; leverage rose to 0.94 D/E.

• TTM operating margin of 59.0% and ROIC of 20.8% remain well above Q2–Q3 2024 baseline, suggesting underlying strength.

⚠ Extreme quarter-to-quarter volatility: Q4 2025 margins ~60pp above Q1 2026. Verify if seasonal or structural.

⚠ D/E ratio spiked to 0.94 in Q1 2026 after declining to 0.71 in Q3 2025; monitor leverage trajectory.

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Available Research

13F Pro tracks comprehensive data for AFFILIATED MANAGERS GROUP, 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 AMG

BlackRock, Inc.
$793.5M2,867,665 sh
MORGAN STANLEY
$479.4M1,732,512 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$376.3M1,359,793 sh
VANGUARD CAPITAL MANAGEMENT LLC
$325.1M1,174,746 sh
ARIEL INVESTMENTS, LLC
$294.4M1,064,030 sh
Boston Partners
$268.7M971,247 sh
STATE STREET CORP
$256.4M926,733 sh
FULLER & THALER ASSET MANAGEMENT, INC.
$210.4M760,213 sh
DIMENSIONAL FUND ADVISORS LP
$198.7M718,313 sh
GEODE CAPITAL MANAGEMENT, LLC
$176.0M635,778 sh

Fund	Value	Shares
BlackRock, Inc.	$793.5M	2,867,665
MORGAN STANLEY	$479.4M	1,732,512
VANGUARD PORTFOLIO MANAGEMENT LLC	$376.3M	1,359,793
VANGUARD CAPITAL MANAGEMENT LLC	$325.1M	1,174,746
ARIEL INVESTMENTS, LLC	$294.4M	1,064,030
Boston Partners	$268.7M	971,247
STATE STREET CORP	$256.4M	926,733
FULLER & THALER ASSET MANAGEMENT, INC.	$210.4M	760,213
DIMENSIONAL FUND ADVISORS LP	$198.7M	718,313
GEODE CAPITAL MANAGEMENT, LLC	$176.0M	635,778

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Is AMG a good stock to buy?

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

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 AMG. 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 AFFILIATED MANAGERS GROUP, INC.'s investment landscape.