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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
Davis Selected Advisers75,980$22.2M0.10%+10,230+15.6%Added
Destination Wealth Management75,718$22.1M0.78%+1,293+1.7%Added
Gilder Gagnon Howe & Co LLC75,362$22.0M0.13%−250−0.3%Reduced
Oppenheimer Asset Management Inc.73,054$21.4M0.28%−5,062−6.5%Reduced
Claar Advisors LLC72,820$21.3M6.10%00.0%Unchanged
Polar Asset Management Partners Inc.72,600$21.2M0.26%−9,779−11.9%Reduced
Metropolitan Life Insurance Co72,550$21.2M0.29%−1,720−2.3%Reduced
Pittenger & Anderson Inc72,188$21.1M0.98%+923+1.3%Added
Kings Point Capital Management71,067$20.8M1.71%−402−0.6%Reduced
Bath Savings Trust Co70,849$20.7M2.15%+558+0.8%Added
Chilton Capital Management LLC70,821$20.7M1.06%+944+1.4%Added
Van Eck Associates Corp70,247$20.5M0.05%+5,757+8.9%Added
HAP Trading, LLC70,205$20.5M1.43%+23,575+50.6%Added
Williams Jones Wealth Management, LLC.68,287$20.0M0.25%−52−0.1%Reduced
Mackay Shields LLC67,921$19.9M0.16%−1,517−2.2%Reduced
Private Advisor Group, LLC67,442$19.7M0.15%−21,816−24.4%Reduced
Adell Harriman & Carpenter Inc67,162$19.6M1.82%+1,243+1.9%Added
Bridgewater Associates, LP67,032$19.6M0.11%+52,143+350.2%Added
Pinnacle Financial Partners Inc66,637$19.5M0.61%+9,986+17.6%Added
Washington Trust Co66,257$19.4M0.73%−57,627−46.5%Reduced
Prospect Capital Advisors, LLC65,695$19.2M7.56%+320+0.5%Added
Northwestern Mutual Wealth Management Co65,296$19.1M0.03%+2,608+4.2%Added
Cullen/Frost Bankers, Inc.64,955$19.0M0.36%−2,753−4.1%Reduced
Dana Investment Advisors, Inc.64,225$18.8M0.81%−556−0.9%Reduced
Mutual of America Capital Management LLC63,993$18.7M0.19%+190+0.3%Added
Appleton Partners Inc63,258$18.5M1.39%+892+1.4%Added
Ilmarinen Mutual Pension Insurance Co63,000$18.4M0.22%+37,000+142.3%Added
Texas Permanent School Fund62,816$18.4M0.23%−7,498−10.7%Reduced
Federation des caisses Desjardins du Quebec62,686$18.3M0.18%+3,874+6.6%Added
Cobblestone Capital Advisors LLC62,606$18.3M1.18%+1,401+2.3%Added
Beaumont Financial Partners, LLC62,383$18.2M1.32%−854−1.4%Reduced
Squarepoint Ops LLC62,156$18.2M0.09%+19,470+45.6%Added
Peapack Gladstone Financial Corp61,694$18.0M0.34%+70.0%Added
Ninety One UK Ltd61,639$18.0M0.04%−17,005−21.6%Reduced
Wallington Asset Management, LLC61,419$18.0M2.74%+152+0.2%Added
Jones Financial Companies LLLP61,217$17.9M0.03%−243−0.4%Reduced
Lockheed Martin Investment Management Co60,895$17.8M0.95%+55,895+1,117.9%Added
Fairview Capital Investment Management, LLC60,862$17.8M1.14%−470−0.8%Reduced
Washington Trust Advisors, Inc.60,684$17.8M1.20%+60,684New
Parallax Volatility Advisers, L.P.60,036$17.6M0.22%+60,036New
Cincinnati Insurance Co60,000$17.6M0.32%00.0%Unchanged
Badgley Phelps Wealth Managers, LLC59,942$17.5M0.57%+1,612+2.8%Added
Fiduciary Trust Co59,891$17.5M0.29%−233−0.4%Reduced
IFM Investors Pty Ltd59,822$17.5M0.32%−254−0.4%Reduced
ING Groep NV59,439$17.4M0.16%+21,228+55.6%Added
Huntington National Bank59,245$17.3M0.16%+906+1.6%Added
Synovus Financial Corp58,537$17.1M0.17%+2,012+3.6%Added
Oppenheimer & Co Inc58,390$17.1M0.30%+1,477+2.6%Added
Wedge Capital Management L L P57,874$16.9M0.21%−105−0.2%Reduced
B. Riley Wealth Management, Inc.57,772$16.9M1.17%−274−0.5%Reduced
Tower Research Capital LLC (TRC)57,569$16.8M0.29%+30,241+110.7%Added
TPI Fund Managers Ltd57,249$16.7M2.06%00.0%Unchanged
LVM Capital Management Ltd56,963$16.7M2.22%+104+0.2%Added
Chicago Partners Investment Group LLC71,080$16.7M1.18%+4,533+6.8%Added
Motley Fool Asset Management LLC56,754$16.6M1.06%−466−0.8%Reduced
Cambridge Trust Co56,610$16.6M0.53%+565+1.0%Added
Heitman Real Estate Securities LLC56,274$16.5M0.74%−93,610−62.5%Reduced
Dai-Ichi Life Insurance Company, Ltd55,982$16.4M0.21%−497−0.9%Reduced
Redpoint Investment Management Pty Ltd55,063$16.1M1.28%−125−0.2%Reduced
FourThought Financial, LLC54,924$16.1M2.02%+734+1.4%Added
Swiss Life Asset Management Ltd54,556$16.0M0.21%−627−1.1%Reduced
Knights of Columbus Asset Advisors LLC53,868$15.8M1.27%+3,510+7.0%Added
Vestcor Inc53,050$15.5M0.55%−26,452−33.3%Reduced
MML Investors Services, LLC52,341$15.3M0.11%+6,142+13.3%Added
Markel Group Inc.SuperinvestorMarkel Group51,910$15.2M0.17%00.0%Unchanged
Wolverine Trading, LLC51,766$15.1M0.20%−1,440−2.7%Reduced
Grassi Investment Management51,507$15.1M1.52%−200−0.4%Reduced
First Horizon Advisors, Inc.51,149$15.0M0.45%+2,107+4.3%Added
Kiwi Wealth Investments Limited Partnership50,554$14.8M0.70%+10,643+26.7%Added
Crossmark Global Holdings, Inc.50,331$14.7M0.32%+7,943+18.7%Added
Archon Partners LLC50,000$14.6M1.79%00.0%Unchanged
Umb Bank N A49,965$14.6M0.18%+8,603+20.8%Added
CIBC World Markets Inc.49,401$14.4M0.05%−18,306−27.0%Reduced
Foster Victor Wealth Advisors, LLC55,551$14.4M1.96%+4,697+9.2%Added
Millennium Management LLC48,954$14.3M0.02%−72,546−59.7%Reduced
Wendell David Associates Inc48,715$14.2M1.44%−513−1.0%Reduced
EULAV Asset Management48,605$14.2M0.36%−6,000−11.0%Reduced
Hartford Investment Management Co48,473$14.2M0.33%+3,678+8.2%Added
Brasada Capital Management, LP56,214$14.1M2.69%+512+0.9%Added
Brightworth47,814$14.0M1.28%−406−0.8%Reduced
Novare Capital Management LLC47,667$13.9M1.41%+312+0.7%Added
Cetera Advisors LLC47,658$13.9M0.28%+517+1.1%Added
Trust Co of Vermont47,586$13.9M0.88%+492+1.0%Added
Parsons Capital Management Inc47,501$13.9M1.00%−1,753−3.6%Reduced
Princeton Capital Management LLC46,866$13.7M3.93%+321+0.7%Added
FIL Ltd46,687$13.7M0.01%+1,964+4.4%Added
Bridges Investment Management Inc46,265$13.5M0.40%+3,118+7.2%Added
Nomura Holdings Inc45,931$13.4M0.08%+10,865+31.0%Added
Atria Investments LLC45,857$13.4M0.24%+1,778+4.0%Added
Alphinity Investment Management Pty Ltd45,463$13.3M0.30%+688+1.5%Added
Gradient Investments LLC45,250$13.2M0.34%+44,981+16,721.6%Added
Copeland Capital Management, LLC44,700$13.1M0.34%+676+1.5%Added
Taylor Wealth Management Partners44,474$13.0M4.58%+400+0.9%Added
Creative Planning44,471$13.0M0.02%−496−1.1%Reduced
Kelly Lawrence W & Associates Inc44,235$12.9M2.56%−375−0.8%Reduced
Waverton Investment Management Ltd43,450$12.7M0.40%+43,450New
United Asset Strategies, Inc.43,202$12.6M1.50%+278+0.6%Added
Candriam Luxembourg S.C.A.42,931$12.6M0.08%−45,013−51.2%Reduced
TD Waterhouse Canada Inc.40,280$12.2M0.12%+40,280New
Park National Corp41,409$12.1M0.47%+1,713+4.3%Added