Skip to main content

Columbia Asset Management

Position in AMT — American Tower Corp /Ma/

CIK 1585047 Ann Arbor, MI

Position in AMT

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$1,316,247
-$18,141 QoQ
Shares Held
8,047
+4.1% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
#782
of 1,735 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in AMT Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

Columbia Asset Management holds $2,062,991 across 2 REIT - Specialty names. AMT ranks #1 (63.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMT
American Tower Corp /Ma/
This page
8,047 $1,316,247

All Filings in AMT

Export CSV
24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,316,247 8,047
2026-03-31 $1,334,388 7,732
2025-12-31 $1,302,202 7,417
2025-09-30 $1,402,205 7,291
2025-06-30 $1,579,408 7,146
2025-03-31 $1,519,065 6,981
2024-12-31 $1,287,721 7,021
2024-09-30 $1,640,710 7,055
2024-06-30 $1,266,385 6,515
2024-03-31 $983,010 4,975
2023-12-31 $1,074,003 4,975
2023-09-30 $796,924 4,846
2023-06-30 $815,711 4,206
2023-03-31 $594,425 2,909
2022-12-31 $506,133 2,389
2022-09-30 $520,432 2,424
2022-06-30 $619,550 2,424
2021-09-30 $631,410 2,379
2021-06-30 $481,929 1,784
2021-03-31 $426,483 1,784
2020-12-31 $338,036 1,506
2020-09-30 $359,210 1,486
2020-06-30 $384,190 1,486
2020-03-31 $323,576 1,486