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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
Diversified Trust Co4,868$1.42M0.05%−345−6.6%Reduced
River Wealth Advisors LLC4,899$1.43M0.22%+18+0.4%Added
Arbor Capital Management Inc4,898$1.43M1.01%+4,898New
Insight Wealth Strategies, LLC4,918$1.44M0.20%+779+18.8%Added
Townsend & Associates, Inc5,758$1.44M0.79%+131+2.3%Added
Douglass Winthrop Advisors, LLC4,961$1.45M0.03%+121+2.5%Added
Wedbush Securities Inc4,975$1.46M0.06%−220−4.2%Reduced
Town & Country Bank & Trust CO dba First Bankers Trust CO4,974$1.46M0.64%+2,411+94.1%Added
Supplemental Annuity Collective Trust of NJ5,000$1.46M0.45%00.0%Unchanged
Citizens Business Bank5,000$1.46M0.18%00.0%Unchanged
Benjamin Edwards Inc5,023$1.47M0.48%+828+19.7%Added
Norway Savings Bank5,054$1.48M0.65%+145+3.0%Added
Empowered Funds, LLC5,053$1.48M0.17%+3,030+149.8%Added
First Hawaiian Bank5,088$1.49M0.04%−57−1.1%Reduced
Credential Qtrade Securities Inc.5,129$1.50M0.10%+235+4.8%Added
Fortem Financial Group, LLC5,132$1.50M0.68%−90−1.7%Reduced
BI Asset Management Fondsmaeglerselskab A/S5,136$1.50M0.06%+129+2.6%Added
Strengthening Families & Communities, LLC5,136$1.50M1.15%+5,136New
Covey Capital Advisors, LLC5,194$1.52M1.22%00.0%Unchanged
Missouri Trust & Investment Co5,205$1.52M0.88%+5,205New
Somerset Trust Co5,239$1.53M0.56%+74+1.4%Added
Symphony Financial, Ltd. Co.5,355$1.53M0.43%+731+15.8%Added
Caxton Associates LP5,271$1.54M0.20%+3,388+179.9%Added
Los Angeles Capital Management LLC5,287$1.55M0.01%−3,713−41.3%Reduced
AlphaCrest Capital Management LLC5,321$1.56M0.06%−1,686−24.1%Reduced
Spinnaker Trust5,364$1.57M0.10%+660+14.0%Added
Tranquility Partners, LLC5,422$1.59M0.73%+232+4.5%Added
Pettee Investors, Inc.5,440$1.59M0.67%−217−3.8%Reduced
WMS Partners, LLC5,470$1.60M0.34%+297+5.7%Added
Fulton Bank, N.A.5,501$1.61M0.07%00.0%Unchanged
Signaturefd, LLC5,505$1.61M0.05%+207+3.9%Added
Brandywine Oak Private Wealth LLC5,517$1.61M0.18%−55−1.0%Reduced
Assenagon Asset Management S.A.5,547$1.62M0.01%+84+1.5%Added
Brighton Jones LLC5,548$1.62M0.08%−28−0.5%Reduced
Bank Julius Baer & Co. Ltd, Zurich5,560$1.63M0.01%+679+13.9%Added
Boothbay Fund Management, LLC5,567$1.63M0.05%+5,567New
Connolly Sarah T.5,572$1.63M0.91%+1,391+33.3%Added
WBH Advisory Inc5,583$1.63M0.19%−74−1.3%Reduced
Cavalier Investments, LLC5,591$1.64M0.42%+39+0.7%Added
Quaero Capital S.A.5,625$1.65M1.13%−5,625−50.0%Reduced
Joel Isaacson & Co., LLC5,703$1.67M0.11%−5−0.1%Reduced
Lederer & Associates Investment Counsel5,711$1.67M0.97%+977+20.6%Added
Sheaff Brock Investment Advisors, LLC5,797$1.70M0.15%+385+7.1%Added
Busey Wealth Management5,802$1.70M0.06%+49+0.9%Added
Capital Investment Advisors, LLC5,805$1.70M0.05%−71−1.2%Reduced
CWM, LLC5,816$1.70M0.01%+5,816New
Werlinich Asset Management, LLC5,840$1.71M1.24%+300+5.4%Added
Great Valley Advisor Group, Inc.5,976$1.72M0.11%−241−3.9%Reduced
Choate Investment Advisors5,885$1.72M0.10%+1,252+27.0%Added
Cubist Systematic Strategies, LLC5,907$1.73M0.02%−13,934−70.2%Reduced
RKL Wealth Management LLC5,987$1.75M0.21%+129+2.2%Added
Trail Ridge Investment Advisors, LLC5,985$1.75M1.05%+5,985New
Barbara Oil Co.6,000$1.75M0.76%00.0%Unchanged
United Bank6,001$1.75M0.94%+172+3.0%Added
Concentric Wealth Management, LLC6,015$1.76M0.50%−205−3.3%Reduced
Ashton Thomas Private Wealth, LLC6,020$1.76M0.17%+3,144+109.3%Added
Townsend Asset Management Corp6,047$1.77M0.84%+2,493+70.1%Added
Page Arthur B6,054$1.77M1.21%+624+11.5%Added
Woodard & Co Asset Management Group Inc6,088$1.78M0.84%+224+3.8%Added
Mather Group, LLC.6,103$1.78M0.03%+1,175+23.8%Added
Hudson Canyon Capital Management6,134$1.79M1.30%−296−4.6%Reduced
Community Bank, N.A.6,155$1.80M0.21%−660−9.7%Reduced
Wealth Effects LLC6,163$1.80M0.75%+6,163New
Moody Lynn & Lieberson, LLC6,168$1.80M0.12%−19,088−75.6%Reduced
FORA Capital, LLC6,199$1.81M0.70%−707−10.2%Reduced
Aft, Forsyth & Sober, LLC6,200$1.81M0.64%00.0%Unchanged
First Citizens Bank & Trust Co6,211$1.82M0.07%−122−1.9%Reduced
Great Diamond Partners, LLC6,239$1.82M0.47%−1,334−17.6%Reduced
Highland Capital Management, LLC6,235$1.82M0.10%−99−1.6%Reduced
Westhampton Capital, LLC6,237$1.82M1.12%−43−0.7%Reduced
Smithfield Trust Co6,262$1.83M0.11%−10.0%Reduced
Flagship Harbor Advisors, LLC6,255$1.83M0.17%+560+9.8%Added
Stony Point Wealth Management Inc.6,279$1.84M0.97%+2,089+49.9%Added
RB Capital Management, LLC6,297$1.84M0.57%+269+4.5%Added
Gs Investments, Inc.6,299$1.84M0.89%+1,586+33.7%Added
Wexford Capital LP6,300$1.84M0.19%+6,300New
Anson Funds Management LP6,320$1.85M0.25%−8,200−56.5%Reduced
Red Door Wealth Management, LLC6,337$1.85M0.61%+749+13.4%Added
Lee Financial Co6,354$1.86M0.35%+8+0.1%Added
Lido Advisors, LLC6,357$1.86M0.04%+1,178+22.7%Added
Nations Financial Group Inc,6,387$1.87M0.25%−55−0.9%Reduced
Legacy Bridge, LLC6,421$1.88M0.98%+15+0.2%Added
Atlas Private Wealth Management6,426$1.88M1.05%+82+1.3%Added
Baystate Wealth Management LLC6,449$1.89M0.17%+72+1.1%Added
Ascent Wealth Partners, LLC6,449$1.89M0.34%+290+4.7%Added
First Midwest Bank Trust Division6,463$1.89M0.24%−34−0.5%Reduced
Godshalk Welsh Capital Management, Inc.6,475$1.89M1.08%00.0%Unchanged
SWS Partners6,480$1.90M1.08%+874+15.6%Added
Nicolet Bankshares Inc6,502$1.90M0.42%+525+8.8%Added
Cornerstone Advisory, LLC6,521$1.91M0.27%−1,948−23.0%Reduced
Dynamic Advisor Solutions LLC6,532$1.91M0.14%+6+0.1%Added
SeaCrest Wealth Management, LLC6,567$1.92M0.21%+367+5.9%Added
Sawtooth Solutions, LLC6,576$1.92M0.21%+3,694+128.2%Added
Total Clarity Wealth Management, Inc.6,589$1.93M0.87%+255+4.0%Added
Congress Asset Management Co6,611$1.93M0.01%+226+3.5%Added
Western Wealth Management, LLC6,609$1.94M0.19%+6,609New
Triangle Securities Wealth Management6,622$1.94M0.61%−11−0.2%Reduced
Cypress Capital, LLC6,634$1.94M0.22%+348+5.5%Added
Garrison Point Advisors, LLC6,635$1.94M1.29%+50+0.8%Added
Pensionfund DSM Netherlands6,700$1.96M0.23%00.0%Unchanged