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WELLINGTON MANAGEMENT GROUP LLP

Position in AMG — Affiliated Managers Group, Inc.

CIK 902219 Boston, MA

Position in AMG

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,854,630
+$1,153,780 QoQ
Shares Held
20,256
-1.7% QoQ
Ownership
0.078%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#112
of 562 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 0% Shared 59% None 41%

Common Shares in AMG Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $10,570,199,653 across 26 Asset Management names. AMG ranks #21 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMG

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,854,630 20,256
2026-03-31 $5,700,850 20,603
2025-03-31 $1,217,041 7,243
2024-12-31 $1,416,302 7,659
2024-09-30 $2,452,928 13,796
2024-06-30 $2,340,950 14,984
2024-03-31 $2,748,685 16,413
2023-12-31 $2,582,619 17,056
2023-09-30 $2,311,840 17,737
2023-06-30 $2,772,815 18,499
2023-03-31 $3,709,328 26,045
2022-12-31 $5,266,054 33,239
2022-09-30 $3,804,354 34,013
2022-06-30 $4,086,130 35,044
2022-03-31 $3,584,217 25,429
2021-12-31 $4,511,686 27,425
2021-09-30 $1,739,801 11,515
2021-06-30 $736,043 4,773
2021-03-31 $442,767 2,971
2020-12-31 $462,226 4,545
2020-09-30 $1,035,477 15,143
2020-06-30 $1,377,346 18,473
2020-03-31 $675,496 11,422