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RHUMBLINE ADVISERS

Position in AMG — Affiliated Managers Group, Inc.

CIK 1115418 BOSTON, MA

Position in AMG

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$24,452,784
+$3,218,550 QoQ
Shares Held
72,260
-5.8% QoQ
Ownership
0.279%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#55
of 566 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 53% Shared 0% None 47%

Common Shares in AMG Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,251,655,813 across 51 Asset Management names. AMG ranks #15 (2.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMG

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $24,452,784 72,260
2026-03-31 $21,234,234 76,741
2025-12-31 $22,022,285 76,392
2025-09-30 $19,326,897 81,059
2025-06-30 $15,466,318 78,601
2025-03-31 $13,754,263 81,856
2024-12-31 $15,816,762 85,533
2024-09-30 $15,625,953 87,885
2024-06-30 $14,297,075 91,513
2024-03-31 $17,124,812 102,256
2023-12-31 $16,266,899 107,429
2023-09-30 $14,454,184 110,896
2023-06-30 $17,107,994 114,137
2023-03-31 $16,381,148 115,020
2022-12-31 $18,620,119 117,529
2022-09-30 $12,769,914 114,170
2022-06-30 $13,262,084 113,740
2022-03-31 $15,270,945 108,343
2021-12-31 $18,119,789 110,144
2021-09-30 $17,133,606 113,400
2021-06-30 $18,225,463 118,186
2021-03-31 $18,970,773 127,295
2020-12-31 $13,483,792 132,584
2020-09-30 $8,707,851 127,345
2020-06-30 $9,809,635 131,567
2020-03-31 $7,966,867 134,712