Companies / Affiliated Managers Group Inc

Affiliated Managers Group Inc

NYSE: AMGCIK 1004434JUPITER, FLamg.com ↗

Financials · FY2025

Revenue$2.07B
Net income$904.00M
Total debt$3.00B
Cash$411.00M
Diluted EPS$22.74
Shares outstanding25.9M

Ownership

25.9M shares outstanding · as of Aug 5, 2026
1.8%Insiders
Ownership
Insiders1.75%453,487
10%+ / strategic21.19%5,478,740
Institutions87.47%22,620,730
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 13

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Insider% of sharesShares
Horgen Jay C.CEOPresident and CEO · Director
0.79%204,706
Wojcik Thomas MPresident and COO
0.62%159,465
Padiyar KavitaGeneral Counsel & Corp. Sec.
0.17%42,672
Palandjian Tracy P.Director
0.07%17,527
Alvingham Karen L.Director
0.05%13,043
Cates G. StaleyDirector
0.02%6,405
Matos Rodriguez Felix V.Director
0.02%4,369
Franqui AnnetteDirector
<0.01%1,962
Starr Loren MDirector
<0.01%1,937
Ryan David ChristopherDirector
<0.01%1,092

Institutional holders 527

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HolderValue% of shares
BlackRock, Inc.$938.29M10.72%
Vanguard Group Inc$773.62M10.38%
Morgan Stanley$491.73M6.60%
Ariel Investments, LLC$340.81M4.57%
State Street Corporation$298.92M3.42%
Boston Partners$268.71M3.76%
Clarkston Capital Partners, LLC$260.64M3.50%
Fuller &amp; Thaler Asset Management, Inc.$210.35M2.94%
Dimensional Fund Advisors LP$201.64M2.70%
Geode Capital Management, LLC$175.96M2.46%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jun 8, 2026Horgen Jay C.
CEO
OtherCommon Stock$13.35M-40K
-15.15%
222,206
0.86% of shares
low
Jun 8, 2026Horgen Jay C.
CEO
SellCommon Stock$5.92M-18K
-7.88%
204,706
0.79% of shares
medium
Jun 8, 2026Horgen Jay C.
CEO
ExerciseCommon Stock$5.59M+75K
+40.13%
261,877
1.01% of shares
low
Mar 5, 2026Horgen Jay C.
CEO
OtherCommon Stock$5.48M-18K
-5.16%
336,877
1.30% of shares
low
Mar 5, 2026Wojcik Thomas M
Executive
OtherCommon Stock$2.73M-9K
-5.17%
167,465
0.65% of shares
low
Mar 6, 2026Wojcik Thomas M
Executive
SellCommon Stock$2.29M-8K
-4.78%
159,465
0.62% of shares
medium
May 6, 2026Ryan David Christopher
Director
SellCommon Stock$1.04M-3K
-75.70%
1,092
<0.01% of shares
medium
Mar 5, 2026Padiyar Kavita
Executive
OtherCommon Stock$682.7K-2K
-4.84%
44,872
0.17% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Clarkston Capital Partners, LLCPassive13G/A———
Vanguard Group IncPassive13G/A—2,723,566—
Vanguard Group IncPassive13G/A—0—
Vanguard Portfolio ManagementPassive13G—1,368,430—
Vanguard Capital ManagementPassive13G—1,386,744—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
AMG——008252108—