Skip to main content

STATE OF WISCONSIN INVESTMENT BOARD

Position in AMG — Affiliated Managers Group, Inc.

CIK 854157 MADISON, WI

Position in AMG

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,937,848
+$4,896,362 QoQ
Shares Held
23,457
+113.4% QoQ
Ownership
0.091%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#107
of 562 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMG Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $447,615,293 across 38 Asset Management names. AMG ranks #17 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMG

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,937,848 23,457
2026-03-31 $3,041,486 10,992
2025-12-31 $2,719,633 9,434
2025-09-30 $2,684,721 11,260
2025-06-30 $2,218,778 11,276
2025-03-31 $5,074,842 30,202
2024-12-31 $5,521,711 29,860
2024-09-30 $5,545,582 31,190
2024-06-30 $4,898,904 31,357
2024-03-31 $5,631,681 33,628
2023-12-31 $5,120,570 33,817
2023-09-30 $4,412,400 33,853
2023-06-30 $4,915,642 32,795
2023-03-31 $4,925,453 34,584
2022-12-31 $6,109,852 38,565
2022-09-30 $4,582,158 40,967
2022-06-30 $5,099,267 43,733
2022-03-31 $5,172,160 36,695
2021-12-31 $813,830 4,947
2021-09-30 $777,811 5,148
2021-06-30 $764,418 4,957
2021-03-31 $850,961 5,710
2020-12-31 $588,944 5,791
2020-09-30 $423,340 6,191
2020-06-30 $460,109 6,171
2020-03-31 $392,748 6,641