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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 2021

Institutional positions in American Tower Corp as of Dec 31, 2021. 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
1,799
+146 vs. Q3 2021
Shares held
417.0M
+4.68M (+1.1%) vs. Q3 2021
Total value
$121.8B
+$12.3B (+11.2%) vs. Q3 2021
New holders
256
787 more added
Sold out
110
503 more reduced

25 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 1,799 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 2021: $121.8B
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 2021

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2021.

Institutions holding AMT in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Altavista Wealth Management, Inc.855$250.0K0.05%+35+4.3%Added
Prime Capital Investment Advisors, LLC854$250.0K0.01%+854New
Plimoth Trust Co LLC860$252.0K0.06%+860New
McGowan Group Asset Management, Inc.864$253.0K0.04%00.0%Unchanged
Sage Mountain Advisors LLC868$254.0K0.03%−123−12.4%Reduced
SC&H Financial Advisors, Inc.870$254.0K0.14%+870New
West Wealth Group, LLC869$254.0K0.10%+869New
Manhattan West Asset Management, LLC871$255.0K0.15%+871New
180 Wealth Advisors, LLC1,059$259.0K0.06%+18+1.7%Added
Synergy Financial Management, LLC891$260.0K0.06%−21,398−96.0%Reduced
InTrack Investment Management Inc900$263.0K0.18%00.0%Unchanged
Palisades Hudson Asset Management, L.P.900$263.0K0.11%00.0%Unchanged
Greenspring Advisors, LLC900$263.0K0.07%+900New
Pinnacle Bancorp, Inc.902$264.0K0.09%−70−7.2%Reduced
Dempze Nancy E906$264.0K0.18%00.0%Unchanged
Hodges Capital Management Inc.903$264.0K0.02%+2+0.2%Added
YHB Investment Advisors, Inc.903$264.0K0.02%+2+0.2%Added
Alta Wealth Advisors LLC902$264.0K0.16%+902New
Cornerstone Wealth Group, LLC909$266.0K0.05%−10,922−92.3%Reduced
Groesbeck Investment Management Corp910$266.0K0.34%00.0%Unchanged
BDO Wealth Advisors, LLC914$267.0K0.03%−270−22.8%Reduced
Claro Advisors LLC914$267.0K0.10%+7+0.8%Added
Abner Herrman & Brock LLC920$269.0K0.04%00.0%Unchanged
Keystone Financial Group924$270.0K0.04%00.0%Unchanged
Insight Advisors, LLC927$271.0K0.08%00.0%Unchanged
MJP Associates Inc954$273.0K0.08%+188+24.5%Added
Avalon Investment & Advisory945$276.0K0.01%−894−48.6%Reduced
Graypoint LLC943$276.0K0.03%+124+15.1%Added
Element Pointe Advisors, LLC949$278.0K0.09%00.0%Unchanged
Hexagon Capital Partners LLC949$278.0K0.07%00.0%Unchanged
Webster Bank, N. A.949$278.0K0.03%+70+8.0%Added
Boston Trust Walden Corp959$281.0K0.00%00.0%Unchanged
Essex Savings Bank962$282.0K0.10%−23−2.3%Reduced
Blume Capital Management, Inc.964$282.0K0.09%00.0%Unchanged
Arlington Partners LLC965$282.0K0.08%+175+22.2%Added
Cardiff Park Advisors, LLC963$282.0K0.04%+963New
Parcion Private Wealth LLC1,122$283.0K0.03%−48−4.1%Reduced
Camden National Bank969$283.0K0.05%−4−0.4%Reduced
Buckingham Strategic Partners973$284.0K0.06%+973New
Grimes & Company, Inc.976$285.0K0.01%−9−0.9%Reduced
Hollencrest Capital Management974$285.0K0.02%00.0%Unchanged
PDS Planning, Inc976$285.0K0.05%+29+3.1%Added
Simplex Trading, LLC982$287.0K0.01%−32,177−97.0%Reduced
Financial Engines Advisors L.L.C.978$287.0K0.00%−18−1.8%Reduced
Balasa Dinverno & Foltz LLC984$288.0K0.02%−16−1.6%Reduced
IVC Wealth Advisors LLC985$288.0K0.19%00.0%Unchanged
Investment Research & Advisory Group, Inc.988$289.0K0.18%00.0%Unchanged
Thompson Siegel & Walmsley LLC988$289.0K0.00%00.0%Unchanged
TRUE Private Wealth Advisors990$289.0K0.04%+85+9.4%Added
Blue Fin Capital, Inc.992$290.0K0.08%+156+18.7%Added
Aire Advisors, LLC984$290.0K0.13%+984New
Ayalon Holdings Ltd.990$291.0K0.10%−3,870−79.6%Reduced
Trust Co of Kansas995$291.0K0.15%00.0%Unchanged
Phoenix Holdings Ltd.1,008$292.0K0.00%−146−12.7%Reduced
E Fund Management Co., Ltd.1,000$293.0K0.01%00.0%Unchanged
Bluestein R H & Co1,000$293.0K0.01%00.0%Unchanged
Truehand, Inc1,000$293.0K0.17%00.0%Unchanged
IMS Capital Management1,000$293.0K0.15%00.0%Unchanged
Constitution Capital LLC1,000$293.0K0.16%00.0%Unchanged
Widmann Financial Services, Inc.1,005$293.0K0.24%+1,005New
Tdam USA Inc.1,006$294.0K0.02%−415−29.2%Reduced
HHM Wealth Advisors, LLC1,009$295.0K0.07%00.0%Unchanged
Global Retirement Partners, LLC1,013$296.0K0.23%−100−9.0%Reduced
Sadoff Investment Management LLC1,013$296.0K0.02%+13+1.3%Added
Lake Street Financial LLC1,014$297.0K0.05%+1,014New
Triad Financial Advisors, Inc.1,014$297.0K0.18%+1,014New
Ballast Advisors LLC1,018$298.0K0.11%00.0%Unchanged
People's United Financial, Inc.1,021$299.0K0.01%−80−7.3%Reduced
Amussen Hunsaker Associates LLC1,063$300.0K0.07%+172+19.3%Added
Moseley Investment Management Inc1,029$301.0K0.14%00.0%Unchanged
Mirabella Financial Services LLP1,028$301.0K0.03%+1,028New
VeraBank, N.A.1,033$302.0K0.15%00.0%Unchanged
Biltmore Family Office, LLC1,028$302.0K0.06%+200+24.2%Added
Tilia Fiduciary Partners, Inc.1,034$302.0K0.24%+1,034New
Bank of Stockton1,037$303.0K0.09%−3−0.3%Reduced
Investors Financial Group, LLC1,039$304.0K0.14%−2−0.2%Reduced
Legacy Advisors, LLC1,039$304.0K0.11%+36+3.6%Added
Main Street Research LLC1,038$304.0K0.02%+57+5.8%Added
Resolute Financial, LLC1,041$304.0K0.23%+1,041New
Private Portfolio Partners LLC1,042$304.8K0.08%+65+6.7%Added
Nova R Wealth, Inc.1,043$305.0K0.25%+1,043New
Ameritas Advisory Services, LLC1,041$305.0K0.01%+1,041New
Bryn Mawr Trust Co1,049$307.0K0.01%00.0%Unchanged
Piscataqua Savings Bank1,054$308.0K0.24%−40−3.7%Reduced
Insight Folios Inc1,058$309.0K0.14%+88+9.1%Added
Legacy Private Trust Co.1,060$310.0K0.02%00.0%Unchanged
Beck Mack & Oliver LLC1,063$311.0K0.01%00.0%Unchanged
Fortitude Advisory Group L.L.C.1,063$311.0K0.16%+1,063New
Evernest Financial Advisors, LLC1,607$312.5K0.16%+1,607New
Cary Street Partner Investment Advisory LLC1,070$313.0K0.09%−86−7.4%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH1,076$314.0K0.02%00.0%Unchanged
Intersect Capital LLC1,078$315.0K0.06%−25−2.3%Reduced
Sargent Investment Group, LLC1,080$316.0K0.07%−35−3.1%Reduced
RSM US Wealth Management LLC1,080$316.0K0.02%+254+30.8%Added
Signet Investment Advisory Group, Inc.1,085$317.0K0.18%00.0%Unchanged
TRH Financial, LLC1,083$317.0K0.10%+3+0.3%Added
David Loasby1,096$321.0K0.04%−667−37.8%Reduced
PRW Wealth Management LLC1,097$321.0K0.15%00.0%Unchanged
Dodge & Cox1,100$322.0K0.00%00.0%Unchanged
EFG Asset Management (Americas) Corp.1,100$322.0K0.05%+5+0.5%Added