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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; 1,756 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: 1,756 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 20261,756$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
Federated Hermes, Inc.522,330$112.8M0.28%+33,477+6.8%Added
Bessemer Group Inc502,816$108.5M0.21%−9,494−1.9%Reduced
Lasalle Investment Management Securities LLC497,155$107.3M4.24%−160,107−24.4%Reduced
Evercore Wealth Management, LLC495,972$107.1M1.80%+6,987+1.4%Added
State Board of Administration of Florida Retirement System489,430$105.7M0.22%−1,456−0.3%Reduced
Mackenzie Financial Corp481,469$103.9M0.16%+266,221+123.7%Added
First Manhattan Co486,708$103.4M0.36%−68,298−12.3%Reduced
Prudential Financial Inc481,293$103.3M0.16%−180,198−27.2%Reduced
DekaBank Deutsche Girozentrale468,608$101.5M0.21%+286,522+157.4%Added
New York State Teachers Retirement System463,011$100.0M0.22%−18,347−3.8%Reduced
Allianz Asset Management GmbH460,643$99.4M0.18%+225,332+95.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.460,373$98.8M0.17%+29,741+6.9%Added
Healthcare of Ontario Pension Plan Trust Fund455,780$98.4M0.35%+205,976+82.5%Added
AXA S.A.445,337$96.1M0.31%−56,290−11.2%Reduced
UniSuper Management Pty Ltd443,775$95.8M1.06%+322+0.1%Added
Alkeon Capital Management LLC429,125$92.6M0.61%−200,636−31.9%Reduced
Maryland State Retirement & Pension System428,245$92.4M1.90%+5,782+1.4%Added
Border to Coast Pensions Partnership Ltd423,379$91.4M2.23%−12,500−2.9%Reduced
Mar Vista Investment Partners LLC418,040$90.2M4.12%−29,489−6.6%Reduced
Korea Investment CORP411,081$88.7M0.23%−139,537−25.3%Reduced
Pacer Advisors, Inc.410,590$88.6M0.25%−92,851−18.4%Reduced
CCLA Investment Management Ltd404,315$87.8M1.44%+1,385+0.3%Added
Bristol Gate Capital Partners Inc.399,771$86.3M4.30%−16,402−3.9%Reduced
Uniplan Investment Counsel, Inc.395,954$86.0M6.39%+8,621+2.2%Added
Brookfield Asset Management Inc.390,558$84.3M0.48%−22,737−5.5%Reduced
Great Lakes Advisors, LLC388,895$84.0M0.80%−125,353−24.4%Reduced
Stifel Financial Corp388,795$83.9M0.11%−2,042−0.5%Reduced
Retirement Systems of Alabama386,176$83.4M0.35%−2,664−0.7%Reduced
Eagle Asset Management Inc372,065$80.3M0.43%−8,868−2.3%Reduced
CI Private Wealth, LLC366,541$79.1M0.15%+31,004+9.2%Added
Douglas Lane & Associates, LLC357,282$77.1M1.19%+786+0.2%Added
Zurich Insurance Group Ltd350,875$75.7M0.77%+350,875New
M&T Bank Corp348,715$75.3M0.28%−5,164−1.5%Reduced
First Trust Advisors LP347,097$74.9M0.08%−99,734−22.3%Reduced
Balyasny Asset Management LLC337,599$72.9M0.20%−108,886−24.4%Reduced
State of New Jersey Common Pension Fund D336,992$72.7M0.24%00.0%Unchanged
Toronto Dominion Bank335,853$72.5M0.11%+39,354+13.3%Added
Kames Capital plc331,064$71.5M1.14%+331,064New
The PNC Financial Services Group, Inc.325,580$70.3M0.06%+37,415+13.0%Added
LPL Financial LLC325,565$70.3M0.04%+21,650+7.1%Added
Nan Shan Life Insurance Co., Ltd.324,366$70.0M1.69%−94,477−22.6%Reduced
Fort Washington Investment Advisors Inc316,811$68.4M0.47%+4,144+1.3%Added
Johnson Investment Counsel Inc311,862$67.3M0.79%−58,336−15.8%Reduced
Maple-Brown Abbott Ltd311,710$67.3M6.85%−20,970−6.3%Reduced
Davis R M Inc310,854$67.1M1.55%−1,512−0.5%Reduced
Bartlett & Co. LLC298,569$65.3M1.06%−5,827−1.9%Reduced
Bartlett & Co. Wealth Management LLC298,569$65.3M1.06%−5,827−1.9%Reduced
Colony Capital, Inc.297,056$64.1M6.58%−643,688−68.4%Reduced
Partners Group Holding AG295,743$63.8M5.44%−25,302−7.9%Reduced
Bamco Inc292,913$63.2M0.17%+243,853+497.1%Added
Adage Capital Partners GP, L.L.C.292,805$63.2M0.13%−170,700−36.8%Reduced
Nisa Investment Advisors, LLC287,406$62.0M0.44%−1,222−0.4%Reduced
DF Dent & Co Inc287,163$62.0M0.82%−29,402−9.3%Reduced
Aew Capital Management L P285,715$61.7M2.25%−4,862−1.7%Reduced
Broad Run Investment Management, LLC282,129$60.9M8.14%−51,908−15.5%Reduced
EP Wealth Advisors, LLC276,841$59.8M0.76%+10,307+3.9%Added
TD Asset Management Inc275,428$59.5M0.06%+51,882+23.2%Added
State of Alaska, Department of Revenue272,137$58.7M0.70%−6,259−2.2%Reduced
Reaves W H & Co Inc269,106$58.1M2.11%00.0%Unchanged
Rathbone Brothers plc268,968$58.1M0.37%+24,065+9.8%Added
Cincinnati Financial Corp263,600$56.9M1.25%00.0%Unchanged
Mariner, LLC260,747$56.3M0.13%−14,303−5.2%Reduced
Chevy Chase Trust Holdings, Inc.260,719$56.3M0.20%−1,540−0.6%Reduced
Allspring Global Investments Holdings, LLC259,319$56.0M0.09%−100,056−27.8%Reduced
RWC Asset Management LLP250,598$54.1M3.27%−14,302−5.4%Reduced
Clark Capital Management Group, Inc.247,869$53.5M0.44%+66,139+36.4%Added
State of Wisconsin Investment Board245,370$53.0M0.15%−2,604−1.1%Reduced
CIBC Asset Management Inc240,513$51.9M0.19%−39,459−14.1%Reduced
State of Tennessee, Treasury Department239,534$51.7M0.20%+47,366+24.6%Added
Jane Street Group, LLC236,006$50.9M0.06%+130,932+124.6%Added
Pictet Asset Management Holding SA235,962$50.9M0.06%+607+0.3%Added
Public Employees Retirement System of Ohio235,018$50.7M0.20%+874+0.4%Added
Heitman Real Estate Securities LLC229,385$49.5M2.67%+83,431+57.2%Added
Raymond James Financial Services Advisors, Inc.224,553$48.5M0.08%−14,312−6.0%Reduced
Wealth Enhancement Advisory Services, LLC223,978$48.4M0.14%−10,017−4.3%Reduced
Clal Insurance Enterprises Holdings Ltd220,500$48.0M0.63%00.0%Unchanged
Royal London Asset Management Ltd220,804$47.7M0.14%+16,225+7.9%Added
National Bank of Canada217,583$47.5M0.09%−135,743−38.4%Reduced
Ci Investments Inc.219,116$47.3M0.24%−3,162−1.4%Reduced
Robeco Institutional Asset Management B.V.218,574$47.2M0.11%+23,323+11.9%Added
CIBC World Markets Corp212,885$46.0M0.25%+187,156+727.4%Added
Treasurer of the State of North Carolina212,598$45.9M0.22%+2,020+1.0%Added
Trillium Asset Management, LLC209,001$45.1M1.23%−9,690−4.4%Reduced
Brown Brothers Harriman & Co206,135$44.5M0.37%+426+0.2%Added
Millennium Management LLC203,543$43.9M0.04%−574,602−73.8%Reduced
ABN AMRO Bank N.V.183,803$43.7M0.72%+40,362+28.1%Added
King Luther Capital Management Corp201,523$43.5M0.21%−11,968−5.6%Reduced
Howland Capital Management LLC199,414$43.4M2.29%+2,205+1.1%Added
Asset Management One Co.,Ltd.197,706$42.9M0.17%−2,065−1.0%Reduced
Fairview Capital Investment Management, LLC198,801$42.9M2.56%+20,654+11.6%Added
Baillie Gifford & Co196,760$42.5M0.03%+29,324+17.5%Added
Northeast Investment Management193,308$41.7M2.23%−2,100−1.1%Reduced
Advisor Group Holdings, Inc.186,736$40.4M0.07%−34,819−15.7%Reduced
GW&K Investment Management, LLC185,638$40.1M0.37%−7,400−3.8%Reduced
Bank of Nova Scotia184,318$39.8M0.07%+138,728+304.3%Added
Victory Capital Management Inc181,773$39.2M0.04%+4,485+2.5%Added
HighTower Advisors, LLC180,597$38.9M0.07%−13,019−6.7%Reduced
Haverford Trust Co179,075$38.7M0.43%−51,390−22.3%Reduced
Foresight Group Ltd Liability Partnership176,333$38.3M13.79%+176,333New
Atalanta Sosnoff Capital, LLC176,877$38.2M0.98%+176,877New