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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 2024

Institutional positions in American Tower Corp as of Dec 31, 2024. 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
1,798
−18 vs. Q3 2024
Shares held
434.0M
+6.47M (+1.5%) vs. Q3 2024
Total value
$79.6B
−$19.5B (−19.6%) vs. Q3 2024
New holders
204
604 more added
Sold out
222
789 more reduced

36 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 1,798 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: 1,851 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ4 2024: $79.6B
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 20251,851$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 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2024.

Institutions holding AMT in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Clark Capital Management Group, Inc.0$00.00%−261,213−100.0%Sold out
Artisan Partners Limited Partnership0$00.00%−249,396−100.0%Sold out
Aew Capital Management L P0$00.00%−203,452−100.0%Sold out
Bamco Inc0$00.00%−192,717−100.0%Sold out
Atalanta Sosnoff Capital, LLC0$00.00%−190,716−100.0%Sold out
Atreides Management, LP0$00.00%−186,136−100.0%Sold out
Junto Capital Management LP0$00.00%−170,116−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−130,869−100.0%Sold out
Kodai Capital Management LP0$00.00%−87,087−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−75,500−100.0%Sold out
Payden & Rygel0$00.00%−68,200−100.0%Sold out
Twinbeech Capital LP0$00.00%−67,377−100.0%Sold out
Generate Investment Management Ltd0$00.00%−52,121−100.0%Sold out
Liberty Mutual Group Asset Management Inc.0$00.00%−51,993−100.0%Sold out
Markel Group Inc.SuperinvestorMarkel Group0$00.00%−51,910−100.0%Sold out
Waterfront Capital Partners, LLC0$00.00%−51,411−100.0%Sold out
Manning & Napier Advisors LLC0$00.00%−50,277−100.0%Sold out
Eagle Global Advisors LLC0$00.00%−47,674−100.0%Sold out
Marshall Wace, LLP0$00.00%−47,564−100.0%Sold out
ING Groep NV0$00.00%−42,768−100.0%Sold out
RedJay Asset Management Inc.0$00.00%−40,000−100.0%Sold out
Chiron Investment Management, LLC0$00.00%−37,906−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−36,484−100.0%Sold out
Longbow Finance SA0$00.00%−25,894−100.0%Sold out
Ashton Thomas Private Wealth, LLC0$00.00%−24,325−100.0%Sold out
Value Partners Investments Inc.0$00.00%−22,642−100.0%Sold out
Solidarilty Wealth, LLC0$00.00%−19,983−100.0%Sold out
Siemens Fonds Invest GmbH0$00.00%−19,972−100.0%Sold out
Waratah Capital Advisors Ltd.0$00.00%−18,644−100.0%Sold out
Sandler Capital Management0$00.00%−18,000−100.0%Sold out
Castellan Group, LLC0$00.00%−16,350−100.0%Sold out
Arjuna Capital0$00.00%−14,376−100.0%Sold out
Veriti Management LLC0$00.00%−14,188−100.0%Sold out
Occidental Asset Management, LLC0$00.00%−13,977−100.0%Sold out
Ibex Wealth Advisors0$00.00%−11,542−100.0%Sold out
UBS Oconnor LLC0$00.00%−13,219−100.0%Sold out
Cumberland Partners Ltd0$00.00%−12,928−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−11,582−100.0%Sold out
Signal Advisors Wealth, LLC0$00.00%−10,476−100.0%Sold out
Camden Capital, LLC0$00.00%−10,120−100.0%Sold out
Anson Funds Management LP0$00.00%−9,720−100.0%Sold out
Paradigm Asset Management Co LLC0$00.00%−9,100−100.0%Sold out
Stableford Capital II LLC0$00.00%−8,900−100.0%Sold out
Hudson Canyon Capital Management0$00.00%−8,376−100.0%Sold out
Quaero Capital S.A.0$00.00%−7,550−100.0%Sold out
Mitsubishi UFJ Asset Management (UK) Ltd.0$00.00%−7,000−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−6,425−100.0%Sold out
Hardy Reed LLC0$00.00%−6,332−100.0%Sold out
Eschler Asset Management LLP0$00.00%−6,005−100.0%Sold out
Applied Finance Capital Management, LLC0$00.00%−5,763−100.0%Sold out
Correct Capital Wealth Management0$00.00%−5,690−100.0%Sold out
MQS Management LLC0$00.00%−5,564−100.0%Sold out
Worldquant Millennium Advisors LLC0$00.00%−5,534−100.0%Sold out
Machina Capital S.A.S.0$00.00%−5,335−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−4,972−100.0%Sold out
Harvest Fund Management Co., Ltd0$00.00%−4,936−100.0%Sold out
Aft, Forsyth & Sober, LLC0$00.00%−8,000−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−4,396−100.0%Sold out
Lakeview Capital Partners, LLC0$00.00%−4,323−100.0%Sold out
Malaga Cove Capital, LLC0$00.00%−4,272−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−4,093−100.0%Sold out
American Trust0$00.00%−3,606−100.0%Sold out
Friedenthal Financial0$00.00%−3,456−100.0%Sold out
Concentric Capital Strategies, LP0$00.00%−3,400−100.0%Sold out
Oak Thistle LLC0$00.00%−3,340−100.0%Sold out
Fiduciary Family Office, LLC0$00.00%−3,304−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−2,781−100.0%Sold out
Chesapeake Capital Corp0$00.00%−2,659−100.0%Sold out
Balentine LLC0$00.00%−2,518−100.0%Sold out
New England Research & Management, Inc.0$00.00%−2,417−100.0%Sold out
Blake Schutter Theil Wealth Advisors, LLC0$00.00%−2,394−100.0%Sold out
Dohj, LLC0$00.00%−2,262−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−2,234−100.0%Sold out
Advisor Resource Council0$00.00%−2,231−100.0%Sold out
Mark Asset Management LP0$00.00%−2,228−100.0%Sold out
Global Assets Advisory, LLC0$00.00%−2,116−100.0%Sold out
Harbert Fund Advisors, Inc.0$00.00%−2,000−100.0%Sold out
Meitav Dash Investments Ltd0$00.00%−1,886−100.0%Sold out
Gemmer Asset Management LLC0$00.00%−1,856−100.0%Sold out
Phillips Wealth Planners LLC0$00.00%−1,857−100.0%Sold out
Versor Investments LP0$00.00%−1,702−100.0%Sold out
Fortis Capital Advisors, LLC0$00.00%−1,700−100.0%Sold out
Financial Advocates Investment Management0$00.00%−1,687−100.0%Sold out
Scientech Research LLC0$00.00%−1,680−100.0%Sold out
Stage Harbor Financial, LLC0$00.00%−1,780−100.0%Sold out
Investment Partners, Ltd.0$00.00%−1,629−100.0%Sold out
Oxford Asset Management LLP0$00.00%−1,609−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−1,565−100.0%Sold out
Baron Wealth Management LLC0$00.00%−1,561−100.0%Sold out
MBB Public Markets I LLC0$00.00%−1,530−100.0%Sold out
Napa Wealth Management0$00.00%−1,507−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−1,500−100.0%Sold out
Greenland Capital Management LP0$00.00%−1,500−100.0%Sold out
Blueprint Investment Partners LLC0$00.00%−1,436−100.0%Sold out
REDW Wealth LLC0$00.00%−1,435−100.0%Sold out
Pinnacle Wealth Planning Services, Inc.0$00.00%−1,385−100.0%Sold out
ClearAlpha Technologies LP0$00.00%−1,372−100.0%Sold out
Samalin Investment Counsel, LLC0$00.00%−1,336−100.0%Sold out
Migdal Insurance & Financial Holdings Ltd.0$00.00%−1,315−100.0%Sold out
Trust Co of Virginia0$00.00%−1,295−100.0%Sold out