Follow-The-Filings

Security · featured owners

AMG Affiliated Managers Group, Inc.

Financials COM Equity as of 2026 Q2 among managers we track

  • 5 Owners
  • Max 3.4%
  • $501M
  • 1 new 2 reduce

AMG (Affiliated Managers Group, Inc.) is held in 5 featured 13F books as of 2026 Q2. John Rogers - Ariel Investments is the largest tracked holder by portfolio weight (3.4%). Figures are as-filed 13F, not free float.

Who owns this now

Largest portfolio weights among featured holders · max 3.4% (John Rogers - Ariel Investments) · not free-float ownership

  1. John Rogers reduce 3.4%
  2. Lyrical Asset Management reduce 2.0%
  3. Mason Hawkins 0.10%
  4. Murray Stahl 0.01%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
John Rogers - Ariel Investments 2026 Q2 3.4% Reduce −6.0% 999,676 $338M history
Lyrical Asset Management 2026 Q2 2.0% Reduce −5.8% 472,886 $160M history
Mason Hawkins - Southeastern Asset Management 2026 Q2 0.10% Hold 5,562 $2M history
Murray Stahl - Horizon Kinetics Asset Management 2026 Q2 0.01% Hold 1,998 $676K history
Dodge & Cox 2026 Q2 <0.01% New <0.01% 600 $203K history

5 current · options excluded

SEC filings

Recent issuer filings from EDGAR · 11 shown · open Filing / Doc on SEC.gov

Filed Form Detail Links
10-Q Filing Doc
8-K 2.02,8.01,9.01 Filing Doc
8-K 1.01,2.03,9.01 Filing Doc
8-K 5.07 Filing Doc
10-Q Filing Doc
8-K 2.02,8.01,9.01 Filing Doc
DEFA14A Filing Doc
8-K 5.02,7.01,9.01 Filing Doc
10-K Filing Doc
8-K 5.02 Filing Doc
8-K 2.02,8.01,9.01 Filing Doc

Insider forms

Form 3 / 4 / 5 from EDGAR · 10 rows shown

Filed Form Detail Links
4 Period Aug 15, 2026 · 4 forms Filing Doc
4 Period Jul 30, 2026 · 6 forms Filing Doc
4 Period Jun 12, 2026 Filing Doc
4 Period Jun 8, 2026 Filing Doc
4 Period Jun 1, 2026 Filing Doc
4 Period May 6, 2026 Filing Doc
4 Period May 8, 2026 Filing Doc
4 Period May 6, 2026 Filing Doc
4 Period May 1, 2026 Filing Doc
4 Period Mar 5, 2026 · 8 forms Filing Doc

Updated 13 days ago Source: SEC EDGAR submissions All on EDGAR

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $2.06B $2.04B $2.07B
Net income $672.9M $511.6M $716.6M
Net margin * 32.7% 25.1% 34.5%

Balance sheet

Metric FY2023 FY2024 FY2025
Total assets $9.06B $8.83B $9.21B
Total equity $3.59B $3.35B $3.24B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $874.3M $932.1M $973.2M
Cash from investing $264.5M $379.1M -$206.1M
Cash from financing -$0.758B -$1.18B -$1.15B
Net change in cash $387.4M $131.1M -$370M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders