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BROWN BROTHERS HARRIMAN & CO

Position in AMT — American Tower Corp /Ma/

CIK 14661 NEW YORK, NY

Position in AMT

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$3,059,086
+$28,582 QoQ
Shares Held
18,702
+6.5% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#569
of 1,735 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

BROWN BROTHERS HARRIMAN & CO holds $9,454,258 across 10 REIT - Specialty names. AMT ranks #1 (32.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMT
American Tower Corp /Ma/
This page
18,702 $3,059,086

All Filings in AMT

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,059,086 18,702
2026-03-31 $3,030,504 17,560
2025-12-31 $2,614,764 14,893
2025-09-30 $3,885,633 20,204
2025-06-30 $4,960,351 22,443
2025-03-31 $4,916,454 22,594
2024-12-31 $4,918,139 26,815
2024-09-30 $14,016,158 60,269
2024-06-30 $14,948,405 76,903
2024-03-31 $37,923,251 191,929
2023-12-31 $44,500,423 206,135
2023-09-30 $33,828,845 205,709
2023-06-30 $40,850,745 210,636
2023-03-31 $41,371,289 202,463
2022-12-31 $38,958,723 183,889
2022-09-30 $29,565,692 137,707
2022-06-30 $33,347,082 130,471
2022-03-31 $32,860,078 130,802
2021-09-30 $34,692,271 130,712
2021-06-30 $34,820,235 128,897
2021-03-31 $31,208,087 130,545
2020-12-31 $29,495,839 131,408
2020-09-30 $45,959,399 190,127
2020-06-30 $49,148,971 190,102
2020-03-31 $41,711,754 191,558