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AMERICAN TOWER CORP NEW

AMT

Holders

2

Combined Value

$19.91M

Combined Shares

115,392

Current Price

$187.18

52W High

$234.33

vs 52W High

−20.1%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$160.58$188.57$216.57$244.56Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $192.02Q3 2024 · implied price $232.56Q4 2024 · implied price $183.41Q1 2025 · implied price $217.60Q2 2025 · implied price $221.02Q3 2025 · implied price $192.32Q4 2025 · implied price $175.57Q1 2026 · implied price $172.58Chuck Akre - Akre Capital Management · bought 6,134,307 shares @ ~$194.38 · Q2 2024 (new position)Davis Selected Advisers · bought 76,070 shares · Q2 2024 (new position)Tom Gayner - Markel Group · bought 51,910 shares @ ~$194.38 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 44,800 shares @ ~$232.56 · Q3 2024 (new position)Chuck Akre - Akre Capital Management · sold 81,775 shares @ ~$232.56 · Q3 2024Davis Selected Advisers · sold 130 shares @ ~$232.56 · Q3 2024Andreas Halvorsen - Viking Global Investors · bought 897,340 shares @ ~$183.41 · Q4 2024 (new position)Jim Simons - Renaissance Technologies · bought 71,039 shares @ ~$183.41 · Q4 2024Davis Selected Advisers · bought 13,590 shares @ ~$183.41 · Q4 2024Chuck Akre - Akre Capital Management · sold 549,119 shares @ ~$183.41 · Q4 2024Tom Gayner - Markel Group · sold 51,910 shares @ ~$232.56 · Q4 2024 (sold out)Chuck Akre - Akre Capital Management · sold 2,914,221 shares @ ~$217.60 · Q1 2025Jim Simons - Renaissance Technologies · sold 115,839 shares @ ~$183.41 · Q1 2025 (sold out)Andreas Halvorsen - Viking Global Investors · sold 58,544 shares @ ~$217.60 · Q1 2025Davis Selected Advisers · sold 590 shares @ ~$217.60 · Q1 2025Andreas Halvorsen - Viking Global Investors · bought 1,958,329 shares @ ~$221.02 · Q2 2025Davis Selected Advisers · bought 2,710 shares @ ~$221.02 · Q2 2025Chuck Akre - Akre Capital Management · sold 1,673,943 shares @ ~$221.02 · Q2 2025Jim Simons - Renaissance Technologies · bought 74,939 shares @ ~$192.32 · Q3 2025 (new position)Andreas Halvorsen - Viking Global Investors · sold 2,797,125 shares @ ~$221.02 · Q3 2025 (sold out)Chuck Akre - Akre Capital Management · sold 472,406 shares @ ~$192.32 · Q3 2025Davis Selected Advisers · sold 25,980 shares @ ~$192.32 · Q3 2025Jim Simons - Renaissance Technologies · bought 87,100 shares @ ~$175.57 · Q4 2025Chuck Akre - Akre Capital Management · sold 187,576 shares @ ~$175.57 · Q4 2025Davis Selected Advisers · sold 1,700 shares @ ~$175.57 · Q4 2025Davis Selected Advisers · bought 650 shares @ ~$172.58 · Q1 2026Chuck Akre - Akre Capital Management · sold 204,495 shares @ ~$172.58 · Q1 2026Jim Simons - Renaissance Technologies · sold 162,039 shares @ ~$175.57 · Q1 2026 (sold out)BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Davis Selected Advisers$11.15M0.05%~$34.95+435.6%BUY Q1 2026Q1 2026
Chuck Akre - Akre Capital Management$8.76M0.14%~$194.38−3.7%SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Chuck Akre - Akre Capital ManagementSELL−$35.29M~$172.58
Q1 2026Jim Simons - Renaissance TechnologiesSOLD OUT−$28.45M~$175.57
Q1 2026Davis Selected AdvisersBUY+$112.2K~$172.58
Q4 2025Chuck Akre - Akre Capital ManagementSELL−$32.93M~$175.57
Q4 2025Jim Simons - Renaissance TechnologiesBUY+$15.29M~$175.57
Q4 2025Davis Selected AdvisersSELL−$298.5K~$175.57
Q3 2025Andreas Halvorsen - Viking Global InvestorsSOLD OUT−$618.22M~$221.02
Q3 2025Chuck Akre - Akre Capital ManagementSELL−$90.85M~$192.32
Q3 2025Jim Simons - Renaissance TechnologiesNEW BUY+$14.41M~$192.32
Q3 2025Davis Selected AdvisersSELL−$5.00M~$192.32
Q2 2025Andreas Halvorsen - Viking Global InvestorsBUY+$432.83M~$221.02
Q2 2025Chuck Akre - Akre Capital ManagementSELL−$369.97M~$221.02
Q2 2025Davis Selected AdvisersBUY+$599.0K~$221.02
Q1 2025Chuck Akre - Akre Capital ManagementSELL−$634.13M~$217.60
Q1 2025Jim Simons - Renaissance TechnologiesSOLD OUT−$21.25M~$183.41
Q1 2025Andreas Halvorsen - Viking Global InvestorsSELL−$12.74M~$217.60
Q1 2025Davis Selected AdvisersSELL−$128.4K~$217.60
Q4 2024Andreas Halvorsen - Viking Global InvestorsNEW BUY+$164.58M~$183.41
Q4 2024Chuck Akre - Akre Capital ManagementSELL−$100.71M~$183.41
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$13.03M~$183.41
Q4 2024Tom Gayner - Markel GroupSOLD OUT−$12.07M~$232.56
Q4 2024Davis Selected AdvisersBUY+$2.49M~$183.41
Q3 2024Chuck Akre - Akre Capital ManagementSELL−$19.02M~$232.56
Q3 2024Jim Simons - Renaissance TechnologiesNEW BUY+$10.42M~$232.56
Q3 2024Davis Selected AdvisersSELL−$30.2K~$232.56

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 20262115,392-76.0%$19.91M$172.58
Q4 20253481,276-17.5%$84.50M$175.57
Q3 20253583,452-84.7%$112.21M$192.32
Q2 202533,804,024+8.2%$840.77M$221.02
Q1 202533,516,928-46.8%$765.28M$217.60
Q4 202446,606,122+6.1%$1.21B$183.41
Q3 202446,225,182-0.6%$1.45B$232.56
Q2 202436,262,287—$1.20B$192.02