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; 1,756 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, Q3 2021

Institutional positions in American Tower Corp as of Sep 30, 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: 1,678; +47 vs. Q2 2021
Shares held: 412.7M; −255.0K (−0.1%) vs. Q2 2021
Total value: $109.6B; −$2.00B (−1.8%) vs. Q2 2021
New holders: 131; 744 more added
Sold out: 84; 529 more reduced

25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 1,678 institutions

Value heldQ3 2021: $109.6B

Institutions holding AMT and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,756	$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 2021

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2021.

Institutions holding AMT in Q3 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
First Command Advisory Services, Inc.	14	$0	0.00%	+14	New
Resources Management Corp	5	$1.00K	0.00%	00.0%	Unchanged
USA Financial Portformulas Corp	2	$1.00K	0.00%	00.0%	Unchanged
JJJ Advisors Inc.	4	$1.00K	0.00%	+4	New
Cordant, Inc.	4	$1.00K	0.00%	+4	New
Retirement Group, LLC	7	$2.00K	0.00%	00.0%	Unchanged
Joseph P. Lucia & Associates, LLC	8	$2.00K	0.00%	00.0%	Unchanged
Wealth Quarterback LLC	8	$2.00K	0.00%	+1+14.3%	Added
TFC Financial Management	13	$3.00K	0.00%	00.0%	Unchanged
Crescent Capital Consulting, LLC	10	$3.00K	0.00%	00.0%	Unchanged
Corbenic Partners LLC	11	$3.00K	0.00%	+11	New
O'Dell Group, LLC	15	$4.00K	0.00%	+15	New
Farmers & Merchants Trust Co of Chambersburg PA	19	$5.00K	0.00%	−45−70.3%	Reduced
Baldrige Asset Management LLC	17	$5.00K	0.00%	−17−50.0%	Reduced
Aua Capital Management, LLC	20	$5.00K	0.00%	00.0%	Unchanged
PSI Advisors, LLC	20	$5.00K	0.00%	+20	New
Atlas Private Wealth Advisors	24	$6.00K	0.00%	00.0%	Unchanged
Kelly Financial Services LLC	24	$6.37K	0.00%	−5,379−99.6%	Reduced
First Bank & Trust	26	$7.00K	0.00%	00.0%	Unchanged
Spectrum Management Group, LLC	28	$7.00K	0.00%	+28	New
Professional Financial Advisors, LLC	32	$9.00K	0.01%	00.0%	Unchanged
Country Trust Bank	35	$9.00K	0.00%	+7+25.0%	Added
Rational Advisors LLC	35	$9.00K	0.00%	+35	New
McCarthy Grittinger Financial Group, LLC	36	$9.55K	0.00%	+36	New
Valley National Advisers Inc	37	$10.0K	0.00%	00.0%	Unchanged
Cedar Wealth Management, LLC	36	$10.0K	0.00%	00.0%	Unchanged
Tower View Investment Management & Research LLC	39	$10.0K	0.01%	00.0%	Unchanged
First National Bank of South Miami	38	$10.0K	0.01%	00.0%	Unchanged
PFG Private Wealth Management, LLC	38	$10.0K	0.01%	+38	New
Navigation Wealth Management, Inc.	36	$10.0K	0.07%	+36	New
Thomas J. Herzfeld Advisors, Inc.	43	$11.0K	0.00%	00.0%	Unchanged
Alaethes Wealth LLC	40	$11.0K	0.01%	00.0%	Unchanged
Raffa Wealth Management, LLC	44	$11.7K	0.00%	00.0%	Unchanged
RPG Investment Advisory, LLC	45	$12.0K	0.00%	00.0%	Unchanged
Larson Financial Group LLC	46	$12.0K	0.00%	00.0%	Unchanged
Activest Wealth Management	45	$12.0K	0.01%	+16+55.2%	Added
Versant Capital Management, Inc	46	$12.0K	0.00%	+24+109.1%	Added
IronBridge Private Wealth, LLC	48	$13.0K	0.01%	−16,965−99.7%	Reduced
Bogart Wealth, LLC	49	$13.0K	0.00%	00.0%	Unchanged
Pflug Koory, LLC	48	$13.0K	0.01%	00.0%	Unchanged
Disciplined Investments, LLC	49	$13.0K	0.01%	00.0%	Unchanged
Bellevue Asset Management, LLC	50	$13.0K	0.01%	+50	New
Financial Perspectives, Inc	50	$13.3K	0.01%	00.0%	Unchanged
Winch Advisory Services, LLC	52	$14.0K	0.00%	+52	New
Consolidated Planning Corp	51	$14.0K	0.01%	+51	New
Vectors Research Management, LLC	58	$15.0K	0.00%	00.0%	Unchanged
Wolff Wiese Magana LLC	55	$15.0K	0.01%	−2−3.5%	Reduced
Evolution Wealth Advisors, LLC	62	$16.0K	0.00%	00.0%	Unchanged
Sittner & Nelson, LLC	60	$16.0K	0.01%	00.0%	Unchanged
University of Texas/Texas Am Investment Managment Co	60	$16.0K	0.01%	+60	New
Carolinas Wealth Consulting LLC	62	$17.0K	0.00%	−66−51.6%	Reduced
First PREMIER Bank	67	$17.0K	0.00%	00.0%	Unchanged
Westside Investment Management, Inc.	69	$18.0K	0.00%	00.0%	Unchanged
Laurel Wealth Advisors LLC	66	$18.0K	0.00%	00.0%	Unchanged
IAG Wealth Partners, LLC	71	$19.0K	0.01%	00.0%	Unchanged
Proffitt & Goodson Inc	71	$19.0K	0.00%	00.0%	Unchanged
Financial Management Professionals, Inc.	72	$19.0K	0.00%	00.0%	Unchanged
Cypress Capital Management LLC (WY)	70	$19.0K	0.02%	00.0%	Unchanged
Tradewinds Capital Management, LLC	71	$19.0K	0.00%	+67+1,675.0%	Added
Ade, LLC	75	$20.0K	0.02%	00.0%	Unchanged
Lloyd Advisory Services, LLC.	–	$21.0K	0.01%	–	–
JNBA Financial Advisors	79	$21.0K	0.00%	00.0%	Unchanged
Pacific Center for Financial Services	78	$21.0K	0.01%	00.0%	Unchanged
SOA Wealth Advisors, LLC.	86	$22.0K	0.01%	00.0%	Unchanged
Ogorek Anthony Joseph	84	$22.0K	0.01%	00.0%	Unchanged
Capital Directions Investment Advisors, LLC	83	$22.0K	0.01%	+83	New
Delos Wealth Advisors, LLC	86	$23.0K	0.03%	00.0%	Unchanged
Cranbrook Wealth Management, LLC	87	$23.0K	0.01%	+25+40.3%	Added
Lumature Wealth Partners, LLC	87	$23.0K	0.01%	+49+128.9%	Added
Duncker Streett & Co Inc	89	$24.0K	0.00%	00.0%	Unchanged
First Command Bank	101	$26.0K	0.00%	+9+9.8%	Added
First Command Financial Services, Inc.	101	$26.0K	0.00%	+9+9.8%	Added
Meridian Wealth Partners, LLC	98	$26.0K	0.01%	+98	New
Private Ocean, LLC	101	$27.0K	0.00%	−33−24.6%	Reduced
PrairieView Partners, LLC	100	$27.0K	0.00%	00.0%	Unchanged
Gables Capital Management Inc.	100	$27.0K	0.02%	00.0%	Unchanged
Charter Oak Capital Management, LLC	100	$27.0K	0.00%	00.0%	Unchanged
Walled Lake Planning & Wealth Management, LLC	100	$27.0K	0.02%	00.0%	Unchanged
Bell Investment Advisors, Inc	100	$27.0K	0.01%	+100	New
Sound Income Strategies, LLC	108	$29.0K	0.00%	−50−31.6%	Reduced
Institutional & Family Asset Management, LLC	110	$29.0K	0.00%	00.0%	Unchanged
Emfo, LLC	110	$29.0K	0.03%	00.0%	Unchanged
Hudock, Inc.	110	$29.0K	0.01%	+1+0.9%	Added
Plante Moran Financial Advisors, LLC	114	$30.0K	0.01%	−750−86.8%	Reduced
Resolute Partners Group	113	$30.0K	0.00%	00.0%	Unchanged
RWM Asset Management, LLC	112	$30.0K	0.01%	+112	New
Concord Wealth Partners	116	$31.0K	0.01%	−1,363−92.2%	Reduced
Wagner Wealth Management, LLC	110	$31.0K	0.02%	−24−17.9%	Reduced
Canton Hathaway, LLC	115	$31.0K	0.01%	+115	New
Pinnacle Holdings, LLC	117	$31.1K	0.01%	+117	New
MV Capital Management, Inc.	121	$32.0K	0.01%	+51+72.9%	Added
TSFG, LLC	126	$33.0K	0.01%	+1+0.8%	Added
Global Financial Private Client, LLC	126	$33.6K	0.02%	00.0%	Unchanged
Albion Financial Group	133	$35.0K	0.00%	00.0%	Unchanged
Cordasco Financial Network	130	$35.0K	0.02%	00.0%	Unchanged
Central Bank & Trust Co	135	$36.0K	0.01%	00.0%	Unchanged
Delta Asset Management LLC	139	$37.0K	0.00%	00.0%	Unchanged
John W. Brooker & Co., CPAs	145	$38.0K	0.02%	00.0%	Unchanged
Sageworth Trust Co	150	$40.0K	0.00%	00.0%	Unchanged
Founders Capital Management	150	$40.0K	0.03%	00.0%	Unchanged