AMT American Tower Sys CL A

Ownership history in AVENIR CORP  ·  106 quarters on record

This page tracks every 13F SEC filing in which AVENIR CORP reported a position in American Tower Sys CL A (AMT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
19.18% (2005 Q4)
Avg. % of fund
10.96%
First filed
1999 Q1
Last filed
2025 Q4
Quarters held
106
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 417,712 -1,754 -0.4% 7.96% $73.3M $175.57
2025 Q3 REDUCED 419,466 -13,519 -3.1% 8.40% $80.7M $190.47
2025 Q2 REDUCED 432,985 -2,457 -0.6% 9.84% $95.7M $216.98
2025 Q1 REDUCED 435,442 -2,620 -0.6% 9.94% $94.8M $210.22
102 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    AMT price (monthly, adj. close)
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