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, Q3 2023

Institutional positions in American Tower Corp as of Sep 30, 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: 1,634; −29 vs. Q2 2023
Shares held: 424.7M; +2.25M (+0.5%) vs. Q2 2023
Total value: $69.9B; −$12.1B (−14.7%) vs. Q2 2023
New holders: 119; 660 more added
Sold out: 148; 657 more reduced

25 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 1,634 institutions

Value heldQ3 2023: $69.9B

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	1,852	$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, Q3 2023

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2023.

Institutions holding AMT in Q3 2023
Institution	Shares	Value	% of portfolio	Change in shares	Action
TFC Financial Management	23	$3.78K	0.00%	+8+53.3%	Added
JDM Financial Group LLC	20	$3.29K	0.00%	00.0%	Unchanged
Caldwell Sutter Capital, Inc.	19	$3.13K	0.00%	00.0%	Unchanged
Nemes Rush Group LLC	19	$3.13K	0.00%	+6+46.2%	Added
Tower View Investment Management & Research LLC	20	$3.00K	0.00%	00.0%	Unchanged
Coston, McIsaac & Partners	21	$3.00K	0.00%	00.0%	Unchanged
Optimum Investment Advisors	17	$2.80K	0.00%	00.0%	Unchanged
Western Pacific Wealth Management, LP	17	$2.80K	0.00%	00.0%	Unchanged
Trifecta Capital Advisors, LLC	16	$2.63K	0.00%	00.0%	Unchanged
Moisand Fitzgerald Tamayo, LLC	16	$2.63K	0.00%	+8+100.0%	Added
LGT Financial Advisors LLC	15	$2.47K	0.00%	+15	New
New England Capital Financial Advisors LLC	15	$2.42K	0.00%	00.0%	Unchanged
Thomas J. Herzfeld Advisors, Inc.	14	$2.30K	0.00%	00.0%	Unchanged
Boyd Watterson Asset Management LLC	13	$2.14K	0.00%	00.0%	Unchanged
Estabrook Capital Management	13	$2.14K	0.00%	00.0%	Unchanged
Magnolia Capital Management Ltd	10	$2.00K	0.00%	00.0%	Unchanged
Country Trust Bank	11	$1.81K	0.00%	00.0%	Unchanged
NVWM, LLC	10	$1.68K	0.00%	−105−91.3%	Reduced
Authentikos Wealth Advisory, LLC	10	$1.65K	0.00%	+10	New
Financial Synergies Wealth Advisors, Inc.	9	$1.48K	0.00%	+3+50.0%	Added
Providence Capital Advisors, LLC	8	$1.32K	0.00%	+8	New
Delos Wealth Advisors, LLC	6	$1.09K	0.00%	00.0%	Unchanged
Avion Wealth	11	$1.00K	0.00%	−6−35.3%	Reduced
Transamerica Financial Advisors, Inc.	4	$1.00K	0.00%	00.0%	Unchanged
ClariVest Asset Management LLC	5	$1.00K	0.00%	+5	New
VitalStone Financial, LLC	3	$1.00K	0.00%	+3	New
CGC Financial Services, LLC	5	$822	0.00%	00.0%	Unchanged
SJS Investment Consulting Inc.	5	$743	0.00%	+1+25.0%	Added
Coppell Advisory Solutions LLC	3	$636	0.00%	−5−62.5%	Reduced
Macroview Investment Management LLC	3	$494	0.00%	+3	New
Stuart Chaussee & Associates, Inc.	3	$493	0.00%	00.0%	Unchanged
New Millennium Group LLC	1	$180	0.00%	00.0%	Unchanged
Spartan Planning & Wealth Management	1	$164	0.00%	+1	New
Roble, Belko & Company, Inc	1	$0	0.00%	00.0%	Unchanged
TD Ameritrade Investment Management, LLC	0	$0	0.00%	−33−100.0%	Sold out
Parnassus Investments	0	$0	0.00%	−2,135,438−100.0%	Sold out
Waterfront Capital Partners, LLC	0	$0	0.00%	−182,674−100.0%	Sold out
Junto Capital Management LP	0	$0	0.00%	−116,863−100.0%	Sold out
Lord, Abbett & Co. LLC	0	$0	0.00%	−105,600−100.0%	Sold out
Two Sigma Advisers, LP	0	$0	0.00%	−89,800−100.0%	Sold out
Foster Victor Wealth Advisors, LLC	0	$0	0.00%	−81,252−100.0%	Sold out
Zimmer Partners, LP	0	$0	0.00%	−55,000−100.0%	Sold out
Kiwi Wealth Investments Limited Partnership	0	$0	0.00%	−44,753−100.0%	Sold out
1623 Capital LLC	0	$0	0.00%	−41,200−100.0%	Sold out
Zeno Research, LLC	0	$0	0.00%	−40,372−100.0%	Sold out
Connors Investor Services Inc	0	$0	0.00%	−32,894−100.0%	Sold out
Kranot Hishtalmut Le Morim Ve Gananot Havera Menahelet LTD	0	$0	0.00%	−25,146−100.0%	Sold out
Punch & Associates Investment Management, Inc.	0	$0	0.00%	−23,617−100.0%	Sold out
Quantitative Investment Management, LLC	0	$0	0.00%	−23,198−100.0%	Sold out
B&I Capital AG	0	$0	0.00%	−23,175−100.0%	Sold out
Polaris Wealth Advisory Group, LLC	0	$0	0.00%	−20,786−100.0%	Sold out
Cushing Asset Management, LP	0	$0	0.00%	−20,000−100.0%	Sold out
Aigen Investment Management, LP	0	$0	0.00%	−19,220−100.0%	Sold out
Richard Bernstein Advisors LLC	0	$0	0.00%	−18,623−100.0%	Sold out
Achmea Investment Management B.V.	0	$0	0.00%	−18,163−100.0%	Sold out
Veritable, L.P.	0	$0	0.00%	−17,349−100.0%	Sold out
Greystone Financial Group, LLC	0	$0	0.00%	−17,095−100.0%	Sold out
Gries Financial LLC	0	$0	0.00%	−14,064−100.0%	Sold out
Greenland Capital Management LP	0	$0	0.00%	−12,000−100.0%	Sold out
Donaldson Capital Management, LLC	0	$0	0.00%	−11,895−100.0%	Sold out
Stony Point Wealth Management Inc.	0	$0	0.00%	−11,122−100.0%	Sold out
Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD	0	$0	0.00%	−9,355−100.0%	Sold out
Otter Creek Advisors, LLC	0	$0	0.00%	−8,200−100.0%	Sold out
Capital International Sarl	0	$0	0.00%	−7,624−100.0%	Sold out
Vident Investment Advisory, LLC	0	$0	0.00%	−7,587−100.0%	Sold out
Ascent Wealth Partners, LLC	0	$0	0.00%	−6,666−100.0%	Sold out
Highland Capital Management, LLC	0	$0	0.00%	−5,978−100.0%	Sold out
Synergy Financial Management, LLC	0	$0	0.00%	−5,824−100.0%	Sold out
Koshinski Asset Management, Inc.	0	$0	0.00%	−5,703−100.0%	Sold out
Zweig-DiMenna Associates LLC	0	$0	0.00%	−5,000−100.0%	Sold out
Weiss Asset Management LP	0	$0	0.00%	−4,885−100.0%	Sold out
Blue Square Asset Management, LLC	0	$0	0.00%	−4,823−100.0%	Sold out
Waycross Investment Management Co	0	$0	0.00%	−4,496−100.0%	Sold out
Ergoteles LLC	0	$0	0.00%	−4,454−100.0%	Sold out
Buckley Wealth Management, LLC	0	$0	0.00%	−3,483−100.0%	Sold out
Advanced Portfolio Management, LLC	0	$0	0.00%	−3,434−100.0%	Sold out
Mid-American Wealth Advisory Group, Inc.	0	$0	0.00%	−3,301−100.0%	Sold out
Mitchell Sinkler & Starr	0	$0	0.00%	−3,234−100.0%	Sold out
Page Arthur B	0	$0	0.00%	−3,050−100.0%	Sold out
AIA Group Ltd	0	$0	0.00%	−2,958−100.0%	Sold out
Affinity Investment Advisors, LLC	0	$0	0.00%	−2,879−100.0%	Sold out
Shorepoint Capital Partners LLC	0	$0	0.00%	−2,876−100.0%	Sold out
Altrafin AG	0	$0	0.00%	−2,625−100.0%	Sold out
Symphony Financial, Ltd. Co.	0	$0	0.00%	−2,620−100.0%	Sold out
Capital International Ltd	0	$0	0.00%	−2,454−100.0%	Sold out
XY Capital Ltd	0	$0	0.00%	−2,447−100.0%	Sold out
CX Institutional	0	$0	0.00%	−2,318−100.0%	Sold out
Dillon & Associates Inc	0	$0	0.00%	−2,311−100.0%	Sold out
V Wealth Advisors LLC	0	$0	0.00%	−2,103−100.0%	Sold out
Chilton Investment Co LLC	0	$0	0.00%	−2,101−100.0%	Sold out
Sentinel Trust Co Lba	0	$0	0.00%	−2,060−100.0%	Sold out
PFG Advisors	0	$0	0.00%	−2,049−100.0%	Sold out
Concord Asset Management, LLC	0	$0	0.00%	−1,993−100.0%	Sold out
Kestra Advisory Services, LLC	0	$0	0.00%	−1,878−100.0%	Sold out
Capital Group Investment Management Pte. Ltd.	0	$0	0.00%	−1,884−100.0%	Sold out
Abbrea Capital, LLC	0	$0	0.00%	−1,712−100.0%	Sold out
Arlington Partners LLC	0	$0	0.00%	−1,574−100.0%	Sold out
Zacks Investment Management	0	$0	0.00%	−1,541−100.0%	Sold out
Becker Capital Management Inc	0	$0	0.00%	−1,527−100.0%	Sold out
CM Wealth Advisors LLC	0	$0	0.00%	−1,508−100.0%	Sold out