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American Tower Corp

AMT
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0001053507

In the last 90 days, American Tower Corp insiders filed 1 open-market purchase and 2 sales; 1,757 institutions reported holding it in 13F filings for Q2 2026, worth $72.0B in total; Akre Capital Management is the only superinvestor holding it.

13F holders, Q4 2023

Institutional positions in American Tower Corp as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,802
+191 vs. Q3 2023
Shares held
434.0M
+9.79M (+2.3%) vs. Q3 2023
Total value
$93.6B
+$23.8B (+34.1%) vs. Q3 2023
New holders
296
612 more added
Sold out
105
726 more reduced

23 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2023: 1,802 institutions
Q1 2021: 1,613 institutionsQ2 2021: 1,656 institutionsQ3 2021: 1,678 institutionsQ4 2021: 1,799 institutionsQ1 2022: 1,723 institutionsQ2 2022: 1,747 institutionsQ3 2022: 1,693 institutionsQ4 2022: 1,711 institutionsQ1 2023: 1,706 institutionsQ2 2023: 1,688 institutionsQ3 2023: 1,634 institutionsQ4 2023: 1,802 institutionsQ1 2024: 1,769 institutionsQ2 2024: 1,769 institutionsQ3 2024: 1,852 institutionsQ4 2024: 1,798 institutionsQ1 2025: 1,845 institutionsQ2 2025: 1,852 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ4 2023: $93.6B
Q1 2021: $95.8BQ2 2021: $111.7BQ3 2021: $109.6BQ4 2021: $121.8BQ1 2022: $104.3BQ2 2022: $109.0BQ3 2022: $91.0BQ4 2022: $90.0BQ1 2023: $86.3BQ2 2023: $82.1BQ3 2023: $69.9BQ4 2023: $93.6BQ1 2024: $85.0BQ2 2024: $83.8BQ3 2024: $99.4BQ4 2024: $79.6BQ1 2025: $95.0BQ2 2025: $96.5BQ3 2025: $82.5BQ4 2025: $77.0BQ1 2026: $74.4BQ2 2026: $72.0B
Institutions holding AMT and their total value by quarter
QuarterHoldersValue
Q2 20261,757$72.0B
Q1 20261,760$74.4B
Q4 20251,781$77.0B
Q3 20251,799$82.5B
Q2 20251,852$96.5B
Q1 20251,845$95.0B
Q4 20241,798$79.6B
Q3 20241,852$99.4B
Q2 20241,769$83.8B
Q1 20241,769$85.0B
Q4 20231,802$93.6B
Q3 20231,634$69.9B
Q2 20231,688$82.1B
Q1 20231,706$86.3B
Q4 20221,711$90.0B
Q3 20221,693$91.0B
Q2 20221,747$109.0B
Q1 20221,723$104.3B
Q4 20211,799$121.8B
Q3 20211,678$109.6B
Q2 20211,656$111.7B
Q1 20211,613$95.8B

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2023.

Institutions holding AMT in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Guardian Wealth Advisors, LLC7,966$1.72M0.26%+92+1.2%Added
Welch & Forbes LLC7,948$1.72M0.03%−20−0.3%Reduced
Profund Advisors LLC7,944$1.71M0.07%+1,049+15.2%Added
Canandaigua National Bank & Trust Co7,925$1.71M0.26%−2,371−23.0%Reduced
Ascent Group, LLC8,847$1.70M0.16%+2,761+45.4%Added
Perigon Wealth Management, LLC7,851$1.69M0.06%−1,435−15.5%Reduced
Cordatus Wealth Management LLC7,818$1.69M1.40%−1,561−16.6%Reduced
Acorn Financial Advisory Services Inc7,817$1.69M0.30%+42+0.5%Added
Privium Fund Management (UK) Ltd7,700$1.68M1.14%00.0%Unchanged
Argus Investors' Counsel, Inc.7,795$1.68M1.08%−3,273−29.6%Reduced
Hemenway Trust Co LLC7,789$1.68M0.16%−737−8.6%Reduced
Midwest Professional Planners, LTD.7,718$1.67M0.66%+549+7.7%Added
Prime Capital Investment Advisors, LLC7,689$1.66M0.03%−17,601−69.6%Reduced
PYA Waltman Capital, LLC7,689$1.66M0.69%+577+8.1%Added
Terry L. Blaker7,669$1.66M0.14%−1,625−17.5%Reduced
Congress Asset Management Co7,658$1.65M0.01%−1,565−17.0%Reduced
Signaturefd, LLC7,625$1.65M0.04%−127−1.6%Reduced
Westhampton Capital, LLC7,624$1.65M0.98%−188−2.4%Reduced
Fairbanks Capital Management, Inc.7,573$1.63M1.17%+401+5.6%Added
Sage Capital Management, LLC7,566$1.63M0.98%+7,566New
Werlinich Asset Management, LLC7,530$1.63M1.24%−1,085−12.6%Reduced
SeaCrest Wealth Management, LLC7,541$1.62M0.20%+8+0.1%Added
V-Square Quantitative Management LLC7,448$1.61M0.38%+3,351+81.8%Added
AMG National Trust Bank7,233$1.56M0.05%−1,482−17.0%Reduced
Cypress Capital Group7,233$1.56M0.20%−78−1.1%Reduced
Sheaff Brock Investment Advisors, LLC7,209$1.56M0.14%+264+3.8%Added
Verde Capital Management7,165$1.55M0.58%+261+3.8%Added
Vanderbilt University7,143$1.54M0.39%−2,134−23.0%Reduced
Inscription Capital, LLC7,128$1.54M0.42%−1,444−16.8%Reduced
Penobscot Investment Management Company, Inc.7,117$1.54M0.18%−1,285−15.3%Reduced
McDonald Partners LLC7,106$1.53M0.46%−74−1.0%Reduced
Augustine Asset Management Inc7,092$1.53M0.68%+56+0.8%Added
RKL Wealth Management LLC6,995$1.51M0.16%+438+6.7%Added
Mission Creek Capital Partners, Inc.6,980$1.51M0.39%+583+9.1%Added
Jacobi Capital Management LLC6,942$1.50M0.15%−26−0.4%Reduced
Pettyjohn, Wood & White, Inc6,870$1.48M0.32%−356−4.9%Reduced
Altfest L J & Co Inc6,863$1.48M0.21%+1,102+19.1%Added
HRT Financial LP6,839$1.48M0.01%−34,894−83.6%Reduced
Monetary Management Group Inc6,768$1.46M0.46%−100−1.5%Reduced
Baystate Wealth Management LLC6,752$1.46M0.11%−1,363−16.8%Reduced
Sumitomo Life Insurance Co6,744$1.46M0.05%−332−4.7%Reduced
Allworth Financial LP6,728$1.45M0.01%+484+7.8%Added
Regions Financial Corp6,721$1.45M0.01%+924+15.9%Added
Herold Advisors, Inc.6,712$1.45M0.40%00.0%Unchanged
GeoWealth Management, LLC6,707$1.45M0.12%+6,707New
Bradley Foster & Sargent Inc6,700$1.45M0.03%−611−8.4%Reduced
Illinois Municipal Retirement Fund6,698$1.45M0.02%00.0%Unchanged
ABLE Financial Group, LLC6,653$1.44M0.62%+72+1.1%Added
Arbor Capital Management Inc6,646$1.43M1.07%−92−1.4%Reduced
Nicola Wealth Management Ltd.4,996$1.43M0.15%−3,900−43.8%Reduced
NEOS Investment Management LLC6,599$1.42M0.13%+2,118+47.3%Added
Empowered Funds, LLC6,547$1.41M0.04%+1,695+34.9%Added
Missouri Trust & Investment Co6,534$1.41M0.57%−933−12.5%Reduced
Ritholtz Wealth Management6,532$1.41M0.05%+4,153+174.6%Added
Proequities, Inc.6,450$1.40M0.10%+1,558+31.8%Added
Godshalk Welsh Capital Management, Inc.6,445$1.39M1.00%−400−5.8%Reduced
MTM Investment Management, LLC6,429$1.39M0.63%−454−6.6%Reduced
Axxcess Wealth Management, LLC6,428$1.39M0.04%−771−10.7%Reduced
Garrison Point Advisors, LLC6,425$1.39M0.98%−100−1.5%Reduced
Glenview Trust Co6,418$1.39M0.03%+689+12.0%Added
Griffin Asset Management, Inc.6,330$1.37M0.17%−73−1.1%Reduced
Coldstream Capital Management Inc6,323$1.37M0.04%+1,104+21.2%Added
Altman Advisors, Inc.6,275$1.35M0.71%−777−11.0%Reduced
Lee Financial Co6,265$1.35M0.24%−17−0.3%Reduced
NorthRock Partners, LLC6,212$1.35M0.06%+2,653+74.5%Added
Nicolet Bankshares Inc6,248$1.35M0.36%+316+5.3%Added
CAPROCK Group, Inc.6,199$1.35M0.09%−314−4.8%Reduced
Walleye Trading LLC6,233$1.35M0.02%+44+0.7%Added
Aft, Forsyth & Sober, LLC6,200$1.34M0.52%00.0%Unchanged
HighPoint Advisor Group LLC6,835$1.34M0.10%+6,835New
Snowden Capital Advisors LLC6,141$1.33M0.05%+49+0.8%Added
Ledyard National Bank6,138$1.33M0.14%−187−3.0%Reduced
Spire Wealth Management6,494$1.32M0.05%−1,324−16.9%Reduced
BIP Wealth, LLC6,124$1.32M0.10%+65+1.1%Added
Cim Investment Mangement Inc6,099$1.32M0.42%00.0%Unchanged
Summit Financial, LLC6,045$1.32M0.09%+11+0.2%Added
Independence Bank of Kentucky6,090$1.31M0.46%+1,719+39.3%Added
Bokf, NA6,084$1.31M0.03%+125+2.1%Added
First National Advisers, LLC6,058$1.31M0.38%+2,885+90.9%Added
Knollwood Investment Advisory, LLC6,049$1.31M0.27%00.0%Unchanged
Mather Group, LLC.6,026$1.30M0.02%−357−5.6%Reduced
Brookstone Capital Management6,012$1.30M0.03%+384+6.8%Added
PFG Investments, LLC6,008$1.30M0.24%−43−0.7%Reduced
Barbara Oil Co.6,000$1.30M0.58%00.0%Unchanged
Aquila Investment Management LLC6,000$1.30M1.12%+6,000New
Mitchell Sinkler & Starr5,959$1.29M0.23%+5,959New
Capstone Triton Financial Group, LLC5,943$1.28M0.94%−360−5.7%Reduced
Sonora Investment Management Group, LLC5,941$1.28M0.10%−26−0.4%Reduced
Flagship Harbor Advisors, LLC5,921$1.28M0.09%−450−7.1%Reduced
Burney Co5,921$1.28M0.05%−1,912−24.4%Reduced
Advisor OS, LLC5,921$1.28M0.17%−1,972−25.0%Reduced
Heritage Wealth Management, LLC5,919$1.28M0.69%+5,919New
Founders Financial Securities LLC5,908$1.28M0.14%+119+2.1%Added
Intrust Bank NA5,856$1.26M0.15%+337+6.1%Added
Douglass Winthrop Advisors, LLC5,846$1.26M0.03%+700+13.6%Added
Jefferies Financial Group Inc.5,831$1.26M0.02%−10,592−64.5%Reduced
Qtron Investments LLC5,827$1.26M0.21%+3,521+152.7%Added
Triangle Securities Wealth Management5,796$1.25M0.39%+96+1.7%Added
Norway Savings Bank5,781$1.25M0.55%−275−4.5%Reduced
Gsa Capital Partners LLP5,752$1.24M0.10%−4,886−45.9%Reduced