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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 2023

Institutional positions in American Tower Corp as of Dec 31, 2023. 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
1,802
+191 vs. Q3 2023
Shares held
434.0M
+9.79M (+2.3%) vs. Q3 2023
Total value
$93.6B
+$23.8B (+34.1%) vs. Q3 2023
New holders
296
612 more added
Sold out
105
726 more reduced

23 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 1,802 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 2023: $93.6B
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 20251,852$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 2023

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2023.

Institutions holding AMT in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
USS Investment Management Ltd83,719$18.1M0.16%−10,333−11.0%Reduced
Nissay Asset Management Corp83,570$18.0M0.15%+648+0.8%Added
ING Groep NV83,019$17.9M0.14%+27,097+48.5%Added
Motley Fool Asset Management LLC82,418$17.8M1.33%+35,113+74.2%Added
Czech National Bank81,679$17.6M0.25%+192+0.2%Added
Apriem Advisors81,456$17.6M2.35%−2,893−3.4%Reduced
Swiss Life Asset Management Ltd80,799$17.5M0.21%+27,699+52.2%Added
Nomura Holdings Inc80,780$17.4M0.16%+72,003+820.4%Added
Utah Retirement Systems80,744$17.4M0.22%+600+0.7%Added
Hazelview Securities Inc.90,857$17.4M3.13%−61,052−40.2%Reduced
Destination Wealth Management79,457$17.2M0.59%−8,788−10.0%Reduced
Yousif Capital Management, LLC79,453$17.2M0.20%−4,288−5.1%Reduced
NFJ Investment Group, LLC79,054$17.1M0.47%−1,565−1.9%Reduced
Anchor Capital Advisors LLC76,625$16.5M0.44%+21,139+38.1%Added
Cohen Klingenstein LLC76,549$16.5M0.68%00.0%Unchanged
Badgley Phelps Wealth Managers, LLC74,313$16.2M0.44%+6,977+10.4%Added
Private Advisor Group, LLC74,504$16.1M0.13%−1,171−1.5%Reduced
Gilder Gagnon Howe & Co LLC74,501$16.1M0.22%−922−1.2%Reduced
Ausbil Investment Management Ltd74,183$16.0M8.68%+4,618+6.6%Added
Pinnacle Financial Partners Inc73,928$16.0M0.38%−919−1.2%Reduced
J. Stern & Co. LLP81,124$15.9M2.89%+81,124New
Avalon Trust Co73,352$15.8M1.45%−175−0.2%Reduced
Aptus Capital Advisors, LLC72,701$15.7M0.46%+648+0.9%Added
Bowen Hanes & Co Inc71,000$15.3M0.46%+6,000+9.2%Added
Fred Alger Management, LLC70,364$15.2M0.08%+70,364New
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund69,884$15.1M0.19%+200+0.3%Added
Tower Research Capital LLC (TRC)69,714$15.0M0.19%+47,083+208.0%Added
Federation des caisses Desjardins du Quebec69,372$15.0M0.14%−3,686−5.0%Reduced
Washington Trust Co69,357$15.0M0.59%−529−0.8%Reduced
Envestnet Portfolio Solutions, Inc.69,274$15.0M0.06%+3,900+6.0%Added
Bath Savings Trust Co68,844$14.9M1.67%−790−1.1%Reduced
Bridges Investment Management Inc68,650$14.8M0.49%−6,315−8.4%Reduced
FIL Ltd67,548$14.6M0.02%+4,908+7.8%Added
Epoch Investment Partners, Inc.66,430$14.3M0.07%+9,702+17.1%Added
Wallington Asset Management, LLC66,280$14.3M2.41%+1,150+1.8%Added
Roberts Wealth Advisors, LLC22,882$14.3M2.33%+340+1.5%Added
Middleton & Co Inc64,818$14.0M1.75%−674−1.0%Reduced
Williams Jones Wealth Management, LLC.64,297$13.9M0.19%−100−0.2%Reduced
Edge Wealth Management LLC64,254$13.9M3.03%−682−1.1%Reduced
Captrust Financial Advisors63,593$13.7M0.05%+664+1.1%Added
Jones Financial Companies LLLP63,210$13.6M0.02%+2,052+3.4%Added
Ancora Advisors, LLC63,152$13.6M0.32%+60,854+2,648.1%Added
Wedge Capital Management L L P62,873$13.6M0.24%−12,416−16.5%Reduced
Rafferty Asset Management, LLC62,531$13.5M0.06%+10,449+20.1%Added
Mutual of America Capital Management LLC62,379$13.5M0.16%−2,848−4.4%Reduced
D.A. Davidson & Co.61,909$13.4M0.13%−4,790−7.2%Reduced
Prospect Capital Advisors, LLC61,885$13.4M4.85%00.0%Unchanged
Creative Planning61,842$13.4M0.02%+11,903+23.8%Added
London & Capital Asset Management Ltd61,542$13.3M1.11%+1,199+2.0%Added
Chicago Partners Investment Group LLC67,389$13.3M0.61%−3,112−4.4%Reduced
Harber Asset Management LLC61,321$13.2M3.08%+61,321New
Eagle Global Advisors LLC60,900$13.1M0.79%+35,285+137.8%Added
Tredje AP-fonden60,851$13.1M0.16%+3,840+6.7%Added
Liberty Mutual Group Asset Management Inc.60,399$13.0M3.77%−553−0.9%Reduced
Cobblestone Capital Advisors LLC60,188$13.0M0.85%−187−0.3%Reduced
Cincinnati Insurance Co60,000$13.0M0.23%00.0%Unchanged
Peapack Gladstone Financial Corp59,279$12.8M0.22%−1,237−2.0%Reduced
Washington Trust Advisors, Inc.58,963$12.7M1.22%−341−0.6%Reduced
Adell Harriman & Carpenter Inc58,495$12.6M1.17%−861−1.5%Reduced
Stephens Inc58,293$12.6M0.22%+8,431+16.9%Added
Pathstone Holdings, LLC58,017$12.6M0.07%+58,017New
Davis Selected Advisers58,190$12.6M0.07%+13,410+29.9%Added
CIBC World Markets Inc.57,980$12.5M0.04%−4,890−7.8%Reduced
Manning & Napier Group, LLC57,738$12.5M0.15%+9,765+20.4%Added
Lockheed Martin Investment Management Co58,915$12.5M0.89%−8,600−12.7%Reduced
Abn Amro Investment Solutions57,326$12.4M0.22%+12,674+28.4%Added
Trust Co of Vermont56,338$12.2M0.81%+30+0.1%Added
Girard Partners Ltd.56,054$12.1M1.23%−2,488−4.2%Reduced
Cullen/Frost Bankers, Inc.55,964$12.1M0.19%−2,647−4.5%Reduced
Public Sector Pension Investment Board55,818$12.0M0.09%−39,136−41.2%Reduced
Simplex Trading, LLC55,537$12.0M0.37%−12,417−18.3%Reduced
Fiduciary Trust Co55,399$12.0M0.20%−4,107−6.9%Reduced
Covea Finance54,769$11.8M0.58%00.0%Unchanged
Grassi Investment Management54,592$11.8M1.24%+245+0.5%Added
Whittier Trust Co53,958$11.6M0.19%−32,395−37.5%Reduced
First Horizon Advisors, Inc.53,675$11.6M0.38%−2,700−4.8%Reduced
British Columbia Investment Management Corp53,663$11.6M0.09%+11,289+26.6%Added
Rheos Capital Works Inc.53,000$11.4M0.63%00.0%Unchanged
Northwestern Mutual Wealth Management Co52,691$11.4M0.01%−17,387−24.8%Reduced
Polar Asset Management Partners Inc.52,500$11.3M0.31%−16,900−24.4%Reduced
LGT Group Foundation52,026$11.3M0.25%−3,229−5.8%Reduced
Linscomb & Williams, Inc.52,137$11.3M0.62%+37,412+254.1%Added
Vestcor Inc52,116$11.3M0.38%+4,974+10.6%Added
Markel Group Inc.SuperinvestorMarkel Group51,910$11.2M0.12%00.0%Unchanged
Boston Private Wealth LLC51,664$11.2M0.27%−13,240−20.4%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd51,326$11.1M0.14%−142−0.3%Reduced
Kempen Capital Management N.V.51,270$11.1M0.15%00.0%Unchanged
Penserra Capital Management LLC51,227$11.1M0.21%−3,399−6.2%Reduced
Kelly Lawrence W & Associates Inc50,670$10.9M2.62%+4,390+9.5%Added
Park National Corp50,046$10.8M0.44%+4,750+10.5%Added
Ilmarinen Mutual Pension Insurance Co48,949$10.6M0.14%−16,500−25.2%Reduced
Sandy Spring Bank48,641$10.5M0.52%+46+0.1%Added
DDD Partners, LLC47,233$10.2M1.37%−45,788−49.2%Reduced
Oppenheimer & Co Inc47,222$10.2M0.19%−538−1.1%Reduced
Cambridge Investment Research Advisors, Inc.46,216$9.98M0.04%+3,250+7.6%Added
Nixon Peabody Trust Co45,899$9.91M1.11%+36,454+386.0%Added
GTS Securities LLC45,729$9.87M0.21%+10,419+29.5%Added
Verition Fund Management LLC45,699$9.87M0.10%−13,904−23.3%Reduced
Gulf International Bank (UK) Ltd45,583$9.84M0.28%−4,370−8.7%Reduced
Synovus Financial Corp45,331$9.79M0.14%−25,676−36.2%Reduced