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AMT Institutional Ownership & 13F Holders | SmartMoneyDB

AMTAMERICAN TOWER CORP NEW

COM · CUSIP 03027X100

Smart Money Ownership

Of the 17 tracked institutions holding AMT, 11 have a 3-year clone track record — 8 of them beat the S&P. Average holder's clone alpha: +2.2pt. It's a gauge of who owns the name, not just how many.

Steve Cohen

$208.0M · 0.4% of book

+11.9pt

Ken Griffin

$151.3M · 0.1% of book

+6.7pt

Ken Fisher

$299.7M · 0.1% of book

+6.3pt

Capital Research Global Investors

$708.2M

AMT (AMERICAN TOWER CORP NEW) Institutional Ownership Summary

Among the 17 tracked institutional investors we monitor, AMT (AMERICAN TOWER CORP NEW) is held with a combined value of $27.32B across 157,192,595 shares. The largest holder is VANGUARD GROUP INC with a position worth $11.19B (0.16% of their portfolio). 7 funds increased their holdings. 10 funds reduced their position.

Total Institutional Value

$27.32B

Total Shares Held

157,192,595

Institutional Holders

% of Shares Outstanding

33.7%

of 465.89M shares · SEC 2026-04-21

Days to Cover

1.9-14.5%

7.66M shares short · FINRA 2026-06-30

Tracked 13F institutions hold 33.7% of AMT's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-21), not a live float.

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

Point72 Asset Management, L.P.+1448% shares~$194.6M BlackRock, Inc.+2% shares~$159.6M MILLENNIUM MANAGEMENT LLC+90% shares~$89.7M STATE STREET CORP+2% shares~$76.1M Capital Research Global Investors+5% shares~$31.1M

13F Institutional Holders

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PRICE T ROWE ASSOCIATES INC /MD/

0.10% of book-15.8%

$823.96M

Capital Research Global Investors

0.11% of book+4.6%

$708.16M

Fisher Asset Management, LLC

0.10% of book-2.4%

$299.67M

Point72 Asset Management, L.P.

0.36% of book+1448.3%

$208.01M

MILLENNIUM MANAGEMENT LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	VANGUARD GROUP INC	$11.19B	63,757,586	0.16%	+0.2%
2	BlackRock, Inc.	$7.76B	44,954,137	0.14%	+2.1%
3	STATE STREET CORP	$3.70B	21,434,609	0.13%	+2.1%
4	FMR LLC	$1.95B	11,317,048	0.10%	-5.8%
5	PRICE T ROWE ASSOCIATES INC /MD/	$823.96M	4,774,353	0.10%	-15.8%
6	Capital Research Global Investors	$708.16M	4,103,353	0.11%	+4.6%
7	Fisher Asset Management, LLC	$299.67M	1,736,413	0.10%	-2.4%
8	Point72 Asset Management, L.P.	$208.01M	1,205,312	0.36%	+1448.3%
9	MILLENNIUM MANAGEMENT LLC	$189.45M	1,097,778	0.08%	+89.9%
10	CITADEL ADVISORS LLC	$151.31M	876,763	0.11%	-20.3%

Congress Trading

14 members · 22 disclosed trades in AMT

Member	Type	Amount	Date
Dwight Evans	Sell	$1,001 - $15,000	May 11, 2026
Richard Dean McCormick	Sell	$1,001 - $15,000	Apr 17, 2026
Alan Armstrong	Sell	$1,001 - $15,000	Mar 27, 2026
Ritchie John Torres	Sell	$1,001 - $15,000

Frequently Asked Questions

Which institutional investors own the most AMT stock?

As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of AMT with a position worth $11.19B, representing 0.16% of their portfolio. In total, 17 institutional investors hold AMT with a combined value of $27.32B.

What percentage of AMT is owned by institutional investors?

Institutional investors hold $27.32B worth of AMT stock across 17 positions. The largest institutional holder is VANGUARD GROUP INC with $11.19B in holdings.

What is a 13F filing and why does it matter for AMT?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AMT, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track AMT institutional moves

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