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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, Q1 2024

Institutional positions in American Tower Corp as of Mar 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
1,769
−12 vs. Q4 2023
Shares held
430.9M
+893.9K (+0.2%) vs. Q4 2023
Total value
$85.0B
−$7.81B (−8.4%) vs. Q4 2023
New holders
150
752 more added
Sold out
162
655 more reduced

21 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 1,769 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 heldQ1 2024: $85.0B
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, Q1 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2023.

Institutions holding AMT in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Mackenzie Financial Corp530,009$104.7M0.15%+48,540+10.1%Added
State Board of Administration of Florida Retirement System511,608$104.5M0.24%+22,178+4.5%Added
CI Private Wealth, LLC506,597$100.1M0.18%+140,056+38.2%Added
Mondrian Investment Partners LTD503,888$99.6M1.37%−98,544−16.4%Reduced
Allianz Asset Management GmbH500,549$98.9M0.17%+39,906+8.7%Added
AXA S.A.497,915$98.4M0.29%+52,578+11.8%Added
Evercore Wealth Management, LLC492,393$97.3M1.53%−3,579−0.7%Reduced
Bessemer Group Inc483,510$95.5M0.17%−19,306−3.8%Reduced
Great Lakes Advisors, LLC460,656$91.0M0.77%+71,761+18.5%Added
New York State Teachers Retirement System449,049$88.7M0.19%−13,962−3.0%Reduced
Alkeon Capital Management LLC429,125$84.8M0.47%00.0%Unchanged
Robeco Institutional Asset Management B.V.421,810$83.3M0.18%+203,236+93.0%Added
UniSuper Management Pty Ltd418,366$82.7M0.79%−25,409−5.7%Reduced
Mar Vista Investment Partners LLC406,325$80.3M3.50%−11,715−2.8%Reduced
CCLA Investment Management Ltd406,080$80.3M1.23%+1,765+0.4%Added
Brookfield Asset Management Inc.403,219$79.7M0.47%+12,661+3.2%Added
Border to Coast Pensions Partnership Ltd399,847$78.9M1.76%−23,532−5.6%Reduced
Prudential Financial Inc395,963$78.2M0.11%−85,330−17.7%Reduced
Korea Investment CORP391,197$77.3M0.20%−19,884−4.8%Reduced
Retirement Systems of Alabama386,326$76.3M0.30%+1500.0%Added
Pacer Advisors, Inc.386,263$76.3M0.18%−24,327−5.9%Reduced
Stifel Financial Corp383,874$75.9M0.09%−4,921−1.3%Reduced
Uniplan Investment Counsel, Inc.378,917$74.9M5.88%−17,037−4.3%Reduced
Maryland State Retirement & Pension System434,840$74.7M1.49%+6,595+1.5%Added
Douglas Lane & Associates, LLC364,867$72.1M1.02%+7,585+2.1%Added
Clal Insurance Enterprises Holdings Ltd364,500$72.0M0.81%+144,000+65.3%Added
M&T Bank Corp354,917$70.1M0.24%+6,202+1.8%Added
Capital International Investors345,551$68.3M0.01%+178,378+106.7%Added
Schonfeld Strategic Advisors LLC341,833$67.5M0.53%+255,011+293.7%Added
State of New Jersey Common Pension Fund D339,260$67.0M0.20%+2,268+0.7%Added
LPL Financial LLC335,515$66.3M0.04%+9,950+3.1%Added
First Trust Advisors LP330,553$65.3M0.07%−16,544−4.8%Reduced
TD Asset Management Inc330,298$65.3M0.06%+54,870+19.9%Added
Kames Capital plc326,722$64.5M0.97%−4,342−1.3%Reduced
Bamco Inc325,832$64.4M0.17%+32,919+11.2%Added
Epoch Investment Partners, Inc.325,324$64.3M0.29%+258,894+389.7%Added
Nan Shan Life Insurance Co., Ltd.324,366$64.1M1.51%00.0%Unchanged
Fort Washington Investment Advisors Inc318,022$62.8M0.40%+1,211+0.4%Added
Maple-Brown Abbott Ltd317,910$62.8M6.43%+6,200+2.0%Added
Rathbone Brothers plc316,364$62.5M0.36%+47,396+17.6%Added
Johnson Investment Counsel Inc313,535$62.0M0.67%+1,673+0.5%Added
Davenport & Co LLC312,969$61.8M0.39%−440,411−58.5%Reduced
Bartlett & Co. Wealth Management LLC311,159$61.5M0.95%+12,590+4.2%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main305,647$60.4M0.07%+162,130+113.0%Added
Davis R M Inc304,526$60.2M1.26%−6,328−2.0%Reduced
Allspring Global Investments Holdings, LLC302,116$59.7M0.09%+42,797+16.5%Added
The PNC Financial Services Group, Inc.301,494$59.6M0.04%−24,086−7.4%Reduced
Sequoia Financial Advisors, LLC297,277$58.7M0.73%+196,024+193.6%Added
Toronto Dominion Bank297,144$58.7M0.09%−38,709−11.5%Reduced
Partners Group Holding AG295,125$58.3M5.29%−618−0.2%Reduced
EP Wealth Advisors, LLC290,693$57.4M0.67%+13,852+5.0%Added
Mariner, LLC280,704$55.5M0.11%+19,957+7.7%Added
Broad Run Investment Management, LLC277,346$54.8M6.73%−4,783−1.7%Reduced
State of Alaska, Department of Revenue273,967$54.1M0.62%+1,830+0.7%Added
Reaves W H & Co Inc268,512$53.1M1.88%−594−0.2%Reduced
Nisa Investment Advisors, LLC267,734$52.9M0.34%−19,672−6.8%Reduced
Edgewood Management LLC260,712$51.5M0.14%−4,725,167−94.8%Reduced
DF Dent & Co Inc260,397$51.5M0.63%−26,766−9.3%Reduced
Chevy Chase Trust Holdings, Inc.258,219$51.0M0.17%−2,500−1.0%Reduced
Clark Capital Management Group, Inc.257,660$50.9M0.38%+9,791+4.0%Added
Millennium Management LLC256,772$50.7M0.04%+53,229+26.2%Added
State of Wisconsin Investment Board252,014$49.8M0.13%+6,644+2.7%Added
Los Angeles Capital Management LLC251,654$49.7M0.17%+114,324+83.2%Added
Wealth Enhancement Advisory Services, LLC249,155$49.2M0.13%+25,177+11.2%Added
Citadel Advisors LLC242,797$48.0M0.05%+217,537+861.2%Added
Arrowstreet Capital, Limited Partnership241,695$47.8M0.04%+241,695New
RWC Asset Management LLP236,082$46.6M2.93%−14,516−5.8%Reduced
Raymond James Financial Services Advisors, Inc.233,886$46.2M0.07%+9,333+4.2%Added
Aew Capital Management L P233,828$46.2M2.25%−51,887−18.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)232,968$46.0M0.16%+75,989+48.4%Added
Pictet Asset Management Holding SA230,439$45.5M0.05%−5,523−2.3%Reduced
Danske Bank A/S226,737$44.8M0.14%+226,737New
Alpha Cubed Investments, LLC221,065$43.7M2.28%+107,355+94.4%Added
Royal London Asset Management Ltd220,776$43.6M0.11%−280.0%Reduced
Public Employees Retirement System of Ohio219,018$43.3M0.17%−16,000−6.8%Reduced
Ci Investments Inc.218,715$43.2M0.17%−401−0.2%Reduced
Adage Capital Partners GP, L.L.C.217,205$42.9M0.08%−75,600−25.8%Reduced
State of Tennessee, Treasury Department215,720$42.6M0.16%−23,814−9.9%Reduced
Treasurer of the State of North Carolina213,938$42.3M0.19%+1,340+0.6%Added
CIBC World Markets Inc.210,166$41.5M0.11%+152,186+262.5%Added
Trillium Asset Management, LLC209,108$41.3M1.05%+107+0.1%Added
Fairview Capital Investment Management, LLC206,936$40.9M2.31%+8,135+4.1%Added
Baillie Gifford & Co205,119$40.5M0.03%+8,359+4.2%Added
Cincinnati Financial Corp201,619$39.8M0.88%−61,981−23.5%Reduced
Howland Capital Management LLC200,285$39.6M1.91%+871+0.4%Added
King Luther Capital Management Corp200,263$39.6M0.18%−1,260−0.6%Reduced
Haverford Trust Co198,113$39.1M0.41%+19,038+10.6%Added
GWM Advisors LLC192,649$38.1M0.33%+22,025+12.9%Added
Healthcare of Ontario Pension Plan Trust Fund192,625$38.1M0.13%−263,155−57.7%Reduced
Brown Brothers Harriman & Co191,929$37.9M0.29%−14,206−6.9%Reduced
Huntington National Bank189,905$37.5M0.30%+37,646+24.7%Added
CIBC Asset Management Inc189,079$37.4M0.13%−51,434−21.4%Reduced
CIBC World Markets Corp189,043$37.4M0.25%−23,842−11.2%Reduced
Asset Management One Co.,Ltd.188,363$37.2M0.14%−9,343−4.7%Reduced
Northeast Investment Management187,261$37.0M1.82%−6,047−3.1%Reduced
Handelsbanken Fonder AB186,624$36.9M0.16%+10,343+5.9%Added
GW&K Investment Management, LLC183,945$36.3M0.32%−1,693−0.9%Reduced
Victory Capital Management Inc180,726$35.7M0.03%−1,047−0.6%Reduced
HighTower Advisors, LLC179,110$35.5M0.06%−1,487−0.8%Reduced
ABN AMRO Bank N.V.179,402$35.5M0.53%−4,401−2.4%Reduced