SEC 13F Intelligence

AMERICAN TOWER CORP

CUSIP 029912201

American Tower Corp has 2 institutional holders in Filings Flow’s 13F database, together reporting 6.0K shares worth $1M as of Q1 2026. The largest reported holders are Ar Asset Management Inc, West Oak Capital, LLC, and Huntington National Bank.

Institutional Holders
2
Q1 2026
Reported Value
$1M
Ticker
unmapped
private placement or foreign
Quarters Tracked
29

Ownership Trend

Institutional holders
Q1 ’19: 4Q1 ’19Q2 ’19: 6Q3 ’19: 5Q4 ’19: 6Q1 ’20: 7Q1 ’20Q2 ’20: 8Q3 ’20: 8Q4 ’20: 5Q1 ’21: 5Q1 ’21Q2 ’21: 4Q3 ’21: 3Q4 ’21: 2Q1 ’22: 2Q1 ’22Q2 ’22: 2Q3 ’22: 3Q4 ’22: 2Q1 ’23: 2Q1 ’23Q2 ’23: 3Q3 ’23: 2Q4 ’23: 2Q1 ’24: 4Q1 ’24Q2 ’24: 4Q3 ’24: 4Q4 ’24: 3Q1 ’25: 3Q1 ’25Q2 ’25: 2Q3 ’25: 2Q4 ’25: 1Q1 ’26: 2Q1 ’26filingsflow.com
Total reported value
Q1 ’19: $1MQ1 ’19Q2 ’19: $4MQ3 ’19: $4MQ4 ’19: $4MQ1 ’20: $4MQ1 ’20Q2 ’20: $5MQ3 ’20: $6MQ4 ’20: $3MQ1 ’21: $3MQ1 ’21Q2 ’21: $2MQ3 ’21: $2MQ4 ’21: $720,000Q1 ’22: $656,000Q1 ’22Q2 ’22: $724,000Q3 ’22: $681,000Q4 ’22: $567,060Q1 ’23: $567,047Q1 ’23Q2 ’23: $12MQ3 ’23: $203,060Q4 ’23: $227,060Q1 ’24: $769,660Q1 ’24Q2 ’24: $539,349Q3 ’24: $390,993Q4 ’24: $303,143Q1 ’25: $359,158Q1 ’25Q2 ’25: $159Q3 ’25: $147Q4 ’25: $60Q1 ’26: $1MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Export to Excel
Manager% of PortfolioValueSharesQuarter
AR ASSET MANAGEMENT INC$517M AUM0.20%$1M6.0KQ1 2026
West Oak Capital, LLC$3M AUM0.00%$8745Q3 2025OLDER
HUNTINGTON NATIONAL BANK$18.1B AUM0.00%$601Q1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.