American Tower Corp

AMT

Exchange: NYSE
Industry: Real Estate Investment Trusts
SEC CIK: 0001053507

SEC filings (opens in a new tab)

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 2025

Institutional positions in American Tower Corp as of Mar 31, 2025. 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: 1,845; +73 vs. Q4 2024
Shares held: 436.7M; +8.49M (+2.0%) vs. Q4 2024
Total value: $95.0B; +$16.5B (+21.0%) vs. Q4 2024
New holders: 197; 694 more added
Sold out: 124; 733 more reduced

26 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 1,845 institutions

Value heldQ1 2025: $95.0B

Institutions holding AMT and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,757	$72.0B
Q1 2026	1,760	$74.4B
Q4 2025	1,781	$77.0B
Q3 2025	1,799	$82.5B
Q2 2025	1,851	$96.5B
Q1 2025	1,845	$95.0B
Q4 2024	1,798	$79.6B
Q3 2024	1,852	$99.4B
Q2 2024	1,769	$83.8B
Q1 2024	1,769	$85.0B
Q4 2023	1,802	$93.6B
Q3 2023	1,634	$69.9B
Q2 2023	1,688	$82.1B
Q1 2023	1,706	$86.3B
Q4 2022	1,711	$90.0B
Q3 2022	1,693	$91.0B
Q2 2022	1,747	$109.0B
Q1 2022	1,723	$104.3B
Q4 2021	1,799	$121.8B
Q3 2021	1,678	$109.6B
Q2 2021	1,656	$111.7B
Q1 2021	1,613	$95.8B

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2024.

Institutions holding AMT in Q1 2025
Institution	Shares	Value	% of portfolio	Change in shares	Action
JDM Financial Group LLC	20	$4.35K	0.00%	00.0%	Unchanged
Iron Horse Wealth Management, LLC	20	$4.35K	0.00%	+20	New
Redmont Wealth Advisors LLC	20	$4.35K	0.01%	+20	New
Pacifica Partners Inc.	19	$4.34K	0.00%	+12+171.4%	Added
Principia Wealth Advisory, LLC	20	$4.15K	0.00%	+7+53.8%	Added
Nemes Rush Group LLC	19	$4.13K	0.00%	−7−26.9%	Reduced
BankPlus Trust Department	18	$3.92K	0.00%	−10−35.7%	Reduced
Westside Investment Management, Inc.	18	$3.92K	0.00%	−4−18.2%	Reduced
Clean Yield Group	18	$3.90K	0.00%	+18	New
TD Capital Management LLC	17	$3.76K	0.00%	00.0%	Unchanged
Transce3nd, LLC	16	$3.50K	0.00%	−32−66.7%	Reduced
Trifecta Capital Advisors, LLC	16	$3.48K	0.00%	00.0%	Unchanged
Dogwood Wealth Management LLC	16	$3.48K	0.00%	+16	New
Caldwell Sutter Capital, Inc.	15	$3.26K	0.00%	00.0%	Unchanged
Northwest Capital Management Inc	15	$3.26K	0.00%	00.0%	Unchanged
Sierra Ocean, LLC	14	$3.06K	0.00%	−5−26.3%	Reduced
Evolution Advisers, Inc.	14	$3.00K	0.00%	+14	New
Boyd Watterson Asset Management LLC	13	$2.83K	0.00%	00.0%	Unchanged
ROSS\JOHNSON & Associates LLC	13	$2.83K	0.05%	+13	New
Halbert Hargrove Global Advisors, LLC	13	$2.81K	0.00%	+13	New
First Command Advisory Services, Inc.	12	$2.61K	0.00%	−80−87.0%	Reduced
Addison Advisors LLC	9	$1.96K	0.00%	00.0%	Unchanged
Gould Capital, LLC	9	$1.96K	0.00%	00.0%	Unchanged
Optimum Investment Advisors	9	$1.96K	0.00%	+9	New
Hager Investment Management Services, LLC	9	$1.96K	0.00%	+9	New
ORG Wealth Partners, LLC	8	$1.75K	0.00%	−11−57.9%	Reduced
MPWM Advisory Solutions, LLC	8	$1.74K	0.00%	00.0%	Unchanged
Glass Jacobson Investment Advisors llc	9	$1.65K	0.00%	00.0%	Unchanged
Greenline Partners, LLC	7	$1.52K	0.00%	+7	New
Sofos Investments, Inc.	7	$1.52K	0.00%	+7	New
Marshall & Sterling Wealth Advisors Inc.	6	$1.31K	0.00%	+6	New
American Capital Advisory, LLC	5	$1.09K	0.00%	+5	New
MJT & Associates Financial Advisory Group, Inc.	5	$1.09K	0.00%	+5	New
Transamerica Financial Advisors, Inc.	2	$1.00K	0.00%	00.0%	Unchanged
Riggs Asset Managment Co. Inc.	4	$871	0.00%	−1−20.0%	Reduced
JCIC Asset Management Inc.	4	$870	0.00%	+4	New
Stuart Chaussee & Associates, Inc.	3	$653	0.00%	00.0%	Unchanged
Bare Financial Services, Inc	3	$653	0.00%	+3	New
Breakwater Investment Management	2	$436	0.00%	00.0%	Unchanged
Bridge Generations Wealth Management LLC	2	$436	0.00%	+2	New
Caitong International Asset Management Co., Ltd	2	$435	0.00%	−816−99.8%	Reduced
Horizon Financial Services, LLC	2	$435	0.00%	+2	New
MorganRosel Wealth Management, LLC	2	$435	0.00%	+2	New
Redwood Park Advisors LLC	1	$218	0.00%	00.0%	Unchanged
Retirement Wealth Solutions LLC	0	$24	0.00%	0	Unchanged
Proequities, Inc.	0	$0	0.00%	−7,526−100.0%	Sold out
Samlyn Capital, LLC	0	$0	0.00%	−728,096−100.0%	Sold out
ClearBridge Investments Ltd	0	$0	0.00%	−332,792−100.0%	Sold out
Renaissance Technologies LLC	0	$0	0.00%	−115,839−100.0%	Sold out
Tudor Investment Corp Et Al	0	$0	0.00%	−86,282−100.0%	Sold out
Bowen Hanes & Co Inc	0	$0	0.00%	−86,000−100.0%	Sold out
Tredje AP-fonden	0	$0	0.00%	−76,046−100.0%	Sold out
Grand Jean Capital Management Inc	0	$0	0.00%	−74,777−100.0%	Sold out
Easterly Investment Partners LLC	0	$0	0.00%	−66,744−100.0%	Sold out
Voloridge Investment Management, LLC	0	$0	0.00%	−57,659−100.0%	Sold out
Covea Finance	0	$0	0.00%	−52,371−100.0%	Sold out
Capital Fund Management S.A.	0	$0	0.00%	−37,838−100.0%	Sold out
Makena Capital Management LLC	0	$0	0.00%	−37,222−100.0%	Sold out
Y-Intercept (Hong Kong) Ltd	0	$0	0.00%	−36,362−100.0%	Sold out
Cubist Systematic Strategies, LLC	0	$0	0.00%	−33,399−100.0%	Sold out
Loomis Sayles & Co L P	0	$0	0.00%	−31,700−100.0%	Sold out
Capstone Investment Advisors, LLC	0	$0	0.00%	−28,124−100.0%	Sold out
Wolverine Asset Management LLC	0	$0	0.00%	−25,790−100.0%	Sold out
Achmea Investment Management B.V.	0	$0	0.00%	−24,843−100.0%	Sold out
Riverview Capital Advisers, LLC	0	$0	0.00%	−21,528−100.0%	Sold out
Boyer & Corporon Wealth Management, LLC	0	$0	0.00%	−18,267−100.0%	Sold out
Quantbot Technologies LP	0	$0	0.00%	−18,182−100.0%	Sold out
Readystate Asset Management LP	0	$0	0.00%	−17,854−100.0%	Sold out
Two Sigma Advisers, LP	0	$0	0.00%	−16,300−100.0%	Sold out
Cox Capital Mgt LLC	0	$0	0.00%	−14,490−100.0%	Sold out
Sand Hill Global Advisors, LLC	0	$0	0.00%	−13,484−100.0%	Sold out
Brevan Howard Capital Management LP	0	$0	0.00%	−12,966−100.0%	Sold out
AustralianSuper Pty Ltd	0	$0	0.00%	−12,747−100.0%	Sold out
Freestone Grove Partners LP	0	$0	0.00%	−12,644−100.0%	Sold out
Weiss Asset Management LP	0	$0	0.00%	−10,359−100.0%	Sold out
Lombard Odier Asset Management (Switzerland) SA	0	$0	0.00%	−10,210−100.0%	Sold out
Lecap Asset Management Ltd	0	$0	0.00%	−10,108−100.0%	Sold out
Entropy Technologies, LP	0	$0	0.00%	−9,907−100.0%	Sold out
Consolidated Investment Group LLC	0	$0	0.00%	−9,900−100.0%	Sold out
Virtu Financial LLC	0	$0	0.00%	−9,633−100.0%	Sold out
Algert Global LLC	0	$0	0.00%	−8,944−100.0%	Sold out
HRT Financial LP	0	$0	0.00%	−8,946−100.0%	Sold out
Simplex Trading, LLC	0	$0	0.00%	−8,471−100.0%	Sold out
Bleakley Financial Group, LLC	0	$0	0.00%	−8,344−100.0%	Sold out
Donoghue Forlines LLC	0	$0	0.00%	−8,061−100.0%	Sold out
RKL Wealth Management LLC	0	$0	0.00%	−6,447−100.0%	Sold out
First Hawaiian Bank	0	$0	0.00%	−5,947−100.0%	Sold out
Nebula Research & Development LLC	0	$0	0.00%	−5,903−100.0%	Sold out
Group One Trading, L.P.	0	$0	0.00%	−5,842−100.0%	Sold out
Inceptionr LLC	0	$0	0.00%	−5,191−100.0%	Sold out
BayBridge Capital Group, LLC	0	$0	0.00%	−5,066−100.0%	Sold out
Steel Peak Wealth Management LLC	0	$0	0.00%	−4,995−100.0%	Sold out
BluePath Capital Management, LLC	0	$0	0.00%	−5,003−100.0%	Sold out
Board of the Pension Protection Fund	0	$0	0.00%	−4,700−100.0%	Sold out
Jackson Square Capital, LLC	0	$0	0.00%	−4,453−100.0%	Sold out
Delta Investment Management, LLC	0	$0	0.00%	−4,217−100.0%	Sold out
Maven Securities LTD	0	$0	0.00%	−3,841−100.0%	Sold out
Ayalon Holdings Ltd.	0	$0	0.00%	−3,668−100.0%	Sold out
Green Alpha Advisors, LLC	0	$0	0.00%	−3,484−100.0%	Sold out
Holocene Advisors, LP	0	$0	0.00%	−3,339−100.0%	Sold out