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Cornerstone Investment Partners, LLC

Position in AMG — Affiliated Managers Group, Inc.

CIK 1328062 ATLANTA, GA

Position in AMG

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$515,383
+$94,246 QoQ
Shares Held
1,523
+0.1% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#314
of 566 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority Sole 92% Shared 0% None 8%

Common Shares in AMG Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Cornerstone Investment Partners, LLC holds $133,039,354 across 6 Asset Management names. AMG ranks #5 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 AMG
Affiliated Managers Group, Inc.
This page
1,523 $515,383

All Filings in AMG

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20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $515,383 1,523
2026-03-31 $421,137 1,522
2025-12-31 $421,465 1,462
2025-09-30 $343,577 1,441
2025-06-30 $397,278 2,019
2025-03-31 $337,572 2,009
2024-12-31 $575,286 3,111
2024-09-30 $568,604 3,198
2024-06-30 $484,625 3,102
2024-03-31 $522,171 3,118
2023-12-31 $469,553 3,101
2023-09-30 $404,184 3,101
2023-06-30 $463,160 3,090
2023-03-31 $440,077 3,090
2022-12-31 $493,192 3,113
2022-09-30 $348,189 3,113
2022-06-30 $361,576 3,101
2022-03-31 $341,944 2,426
2021-12-31 $414,400 2,519
2021-09-30 $225,728 1,494