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Madison Asset Management, LLC

Position in AMT — American Tower Corp /Ma/

CIK 1299351 MADISON, WI

Position in AMT

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$4,629,031
-$301,234 QoQ
Shares Held
28,300
-0.9% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#498
of 1,740 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMT Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

Madison Asset Management, LLC holds $11,738,449 across 3 REIT - Specialty names. AMT ranks #2 (39.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 AMT
American Tower Corp /Ma/
This page
28,300 $4,629,031

All Filings in AMT

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,629,031 28,300
2026-03-31 $4,930,265 28,568
2025-12-31 $5,015,683 28,568
2025-09-30 $21,193,471 110,199
2025-06-30 $32,491,487 147,007
2025-03-31 $34,599,705 159,006
2024-12-31 $29,657,947 161,703
2024-09-30 $27,680,454 119,025
2024-06-30 $33,372,324 171,686
2024-03-31 $33,840,053 171,264
2023-12-31 $26,479,624 122,659
2023-09-30 $37,168,495 226,017
2023-06-30 $47,050,619 242,604
2023-03-31 $38,281,055 187,340
2022-12-31 $37,414,476 176,600
2022-09-30 $35,133,508 163,640
2022-06-30 $38,474,218 150,531
2022-03-31 $33,418,791 133,026
2021-09-30 $79,444,113 299,326
2021-06-30 $81,786,505 302,756
2021-03-31 $66,928,911 279,967
2020-12-31 $45,227,792 201,496
2020-09-30 $49,804,115 206,032
2020-06-30 $53,780,715 208,017
2020-03-31 $32,312,358 148,392