Vault-13

AMERICAN TOWER CORP NEW AMT

COM · REIT · CUSIP 03027X100 · ISIN US03027X1000

American communications infrastructure company

1,692 institutional holders
426,073,450426.1m shares reported held*
91.5% of all shares outstanding*
$91.4bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($325.2m this quarter). Holder counts are more reliable. Shares outstanding: 465.6m as of 2022-10-20, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $214.63. Options: 42 managers hold calls ($885.9m notional), 31 hold puts ($376.3m).

Biggest calls

Twin Tree Management, LP — $192.8m898.0k shares
JANE STREET GROUP, LLC — $173.5m808.0k shares
CITADEL ADVISORS LLC — $128.7m599.3k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $103.5m482.3k shares
Parallax Volatility Advisers, L.P. — $42.2m196.7k shares
BANK OF AMERICA CORP /DE/ — $22.0m102.7k shares
JPMORGAN CHASE & CO — $20.5m95.4k shares
GOLDMAN SACHS GROUP INC — $20.0m93.0k shares
D. E. Shaw & Co., Inc. — $19.4m90.2k shares
WOLVERINE TRADING, LLC — $18.7m87.5k shares

Biggest puts

CITADEL ADVISORS LLC — $96.3m448.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $36.5m170.1k shares
Twin Tree Management, LP — $35.6m165.8k shares
GOLDMAN SACHS GROUP INC — $30.0m139.6k shares
MILLENNIUM MANAGEMENT LLC — $28.9m134.8k shares
JANE STREET GROUP, LLC — $18.1m84.5k shares
BANK OF AMERICA CORP /DE/ — $13.0m60.4k shares
UBS Group AG — $12.9m60.3k shares
Parallax Volatility Advisers, L.P. — $12.5m58.1k shares
D. E. Shaw & Co., Inc. — $12.2m56.6k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution filed 2025-02-05 9.2% 43.0m≈ $7.0bn 2025-02-05
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 7.6% new 35.2m≈ $5.8bn 2026-04-29
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-28 5.9% new 27.7m≈ $4.5bn 2026-04-28

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 2 sellingQ1 22: 1 buyingQ1 22: 3 sellingQ1 22Q2 22: 1 buyingQ2 22: 2 sellingQ3 22: 0 buyingQ3 22: 1 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—2$1.2m—
Q1 20221$1.0k3$2.7m—
Q2 20221$2.2k2$7.0m—
Q3 20220—1$76.1k—
DateInsiderTradeSharesPrice ValueTheir holding
2022-09-01 HORMATS ROBERT D Director Sold 150 $252.94 $37.9k150 shares -2%
2022-07-01 HORMATS ROBERT D Director Sold 150 $254.53 $38.2k150 shares -2%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.38% of their portfolio Valley Forge, PA 60,720,66460.7m $13.0bn $13.0bn 0.38% —
2 BlackRock Inc. 0.26% of their portfolio New York, NY 35,816,31835.8m $7.7bn $7.7bn 0.26% —
3 STATE STREET CORP 0.29% of their portfolio BOSTON, MA 21,277,66921.3m $4.6bn $4.6bn 0.29% —
4 COHEN & STEERS, INC. 6.45% of their portfolio NEW YORK, NY 13,434,19613.4m $2.9bn $2.9bn 6.45% —
5 WELLINGTON MANAGEMENT GROUP LLP 0.55% of their portfolio Boston, MA 11,918,40011.9m $2.6bn $2.6bn 0.55% —
6 GEODE CAPITAL MANAGEMENT, LLC 0.31% of their portfolio BOSTON, MA 9,402,0689.4m $2.0bn $2.0bn 0.31% —
7 FMR LLC 0.21% of their portfolio BOSTON, MA 9,286,5959.3m $2.0bn $2.0bn 0.21% —
8 JANUS HENDERSON GROUP PLC 0.69% of their portfolio LONDON, X0 8,548,9928.5m $1.8bn $1.8bn 0.69% —
9 DEUTSCHE BANK AG\ 1.08% of their portfolio FRANKFURT AM MAIN, 2M 8,339,1638.3m $1.8bn $1.8bn 1.08% —
10 AKRE CAPITAL MANAGEMENT LLC 13.22% of their portfolio Middleburg, VA 6,973,1877.0m $1.5bn $1.5bn 13.22% —
11 GOLDMAN SACHS GROUP INC 0.41% of their portfolio NEW YORK, NY 6,591,6826.6m $1.4bn $1.4bn 0.41% —
12 MORGAN STANLEY 0.18% of their portfolio NEW YORK, NY 6,268,6866.3m $1.3bn $1.3bn 0.18% —
13 DIMENSIONAL FUND ADVISORS LP 0.51% of their portfolio AUSTIN, TX 6,223,8096.2m $1.3bn $1.3bn 0.51% —
14 NORTHERN TRUST CORP 0.29% of their portfolio CHICAGO, IL 6,017,7986.0m $1.3bn $1.3bn 0.29% —
15 PRINCIPAL FINANCIAL GROUP INC 1.01% of their portfolio DES MOINES, IA 5,941,2675.9m $1.3bn $1.3bn 1.01% —
16 EDGEWOOD MANAGEMENT LLC 4.44% of their portfolio GREENWICH, CT 5,937,9765.9m $1.3bn $1.3bn 4.44% —
17 BANK OF AMERICA CORP /DE/ 0.17% of their portfolio CHARLOTTE, NC 5,852,5155.9m $1.3bn $1.3bn 0.17% —
18 PRICE T ROWE ASSOCIATES INC /MD/ 0.18% of their portfolio BALTIMORE, MD 5,191,3345.2m $1.1bn $1.1bn 0.18% —
19 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.41% of their portfolio Boston, MA 5,073,6865.1m $1.1bn $1.1bn 0.41% —
20 Nuveen Asset Management, LLC 0.41% of their portfolio CHICAGO, IL 4,658,1274.7m $1.0bn $1.0bn 0.41% —
21 JENNISON ASSOCIATES LLC 0.99% of their portfolio NEW YORK, NY 4,649,3484.6m $998.2m $998.2m 0.99% —
22 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.35% of their portfolio SAN FRANCISCO, CA 4,593,6194.6m $986.3m $986.3m 0.35% —
23 WELLS FARGO & COMPANY/MN 0.34% of their portfolio SAN FRANCISCO, CA 4,585,6324.6m $984.5m $984.5m 0.34% —
24 Bank of New York Mellon Corp 0.24% of their portfolio NEW YORK, NY 4,527,6994.5m $972.1m $972.1m 0.24% —
25 Legal & General Group Plc 0.38% of their portfolio London, X0 4,501,5224.5m $966.5m $966.5m 0.38% —
26 NORGES BANK 0.23% of their portfolio OSLO, Q8 4,087,1534.1m $877.5m $877.5m 0.23% —
27 Invesco Ltd. 0.27% of their portfolio ATLANTA, GA 3,951,8984.0m $848.5m $848.5m 0.27% —
28 ALLIANCEBERNSTEIN L.P. 0.40% of their portfolio NASHVILLE, TN 3,869,1233.9m $830.7m $830.7m 0.40% —
29 BROWN ADVISORY INC 1.26% of their portfolio BALTIMORE, MD 3,021,4213.0m $648.7m $648.7m 1.26% —
30 AMERIPRISE FINANCIAL INC 0.21% of their portfolio MINNEAPOLIS, MN 2,687,6762.7m $576.7m $576.7m 0.21% —
31 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.32% of their portfolio NEW YORK, NY 2,664,7452.7m $572.1m $572.1m 0.32% —
32 UBS Group AG 0.32% of their portfolio ZURICH, V8 2,592,1162.6m $556.5m $556.5m 0.32% —
33 Capital Research Global Investors 0.18% of their portfolio Los Angeles, CA 2,562,7902.6m $550.2m $550.2m 0.18% —
34 Clearbridge Investments, LLC 0.55% of their portfolio NEW YORK, NY 2,524,2932.5m $542.0m $542.0m 0.55% —
35 PUTNAM INVESTMENTS LLC 1.03% of their portfolio BOSTON, MA 2,514,3172.5m $539.8m $539.8m 1.03% —
36 1832 Asset Management L.P. 1.02% of their portfolio TORONTO, A6 2,219,9842.2m $476.6m $476.6m 1.02% —
37 Fisher Asset Management, LLC 0.35% of their portfolio PLANO, TX 2,153,1142.2m $462.3m $462.3m 0.35% —
38 NEUBERGER BERMAN GROUP LLC 0.47% of their portfolio NEW YORK, NY 2,085,5572.1m $447.8m $447.8m 0.47% —
39 Swiss National Bank 0.30% of their portfolio ZURICH, V8 1,977,3592.0m $424.5m $424.5m 0.30% —
40 PARNASSUS INVESTMENTS, LLC 1.09% of their portfolio San Francisco, CA 1,950,8982.0m $418.9m $418.9m 1.09% —
41 BESSEMER GROUP INC 1.08% of their portfolio WOODBRIDGE, NJ 1,919,6521.9m $412.1m $412.1m 1.08% —
42 PUBLIC INVESTMENT FUND 1.10% of their portfolio AL AQIQ DISTRICT, RIYADH, T0 1,892,9981.9m $406.4m $406.4m 1.10% —
43 Cantillon Capital Management LLC 3.56% of their portfolio New York, NY 1,831,0991.8m $393.1m $393.1m 3.56% —
44 CIBC Private Wealth Group LLC 1.05% of their portfolio ATLANTA, GA 1,818,8331.8m $390.5m $390.5m 1.05% —
45 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.27% of their portfolio Toronto, A6 1,814,1941.8m $389.5m $389.5m 0.27% —
46 California Public Employees Retirement System 0.35% of their portfolio Sacramento, CA 1,779,4621.8m $382.1m $382.1m 0.35% —
47 Mitsubishi UFJ Trust & Banking Corp 1.07% of their portfolio TOKYO, M0 1,775,3101.8m $381.5m $381.5m 1.07% —
48 Capital World Investors 0.08% of their portfolio LOS ANGELES, CA 1,705,6921.7m $366.2m $366.2m 0.08% —
49 CANADA PENSION PLAN INVESTMENT BOARD 0.61% of their portfolio TORONTO ONTARIO, A6 1,677,6431.7m $360.2m $360.2m 0.61% —
50 Sumitomo Mitsui Trust Group, Inc. 0.28% of their portfolio CHIYODA-KU, TOKYO, M0 1,560,6801.6m $335.1m $335.1m 0.28% —
51 Amundi 0.19% of their portfolio Paris, I0 1,531,3861.5m $327.9m $327.9m 0.19% —
52 LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA 4.18% of their portfolio BOSTON, MA 1,497,1561.5m $321.4m $321.4m 4.18% —
53 C WorldWide Group Holding A/S 4.43% of their portfolio COPENHAGEN, G7 1,497,0941.5m $321.4m $321.4m 4.43% —
54 Capital International Investors 0.09% of their portfolio Los Angeles, CA 1,433,9241.4m $307.9m $307.9m 0.09% —
55 AMERICAN CENTURY COMPANIES INC 0.27% of their portfolio KANSAS CITY, MO 1,432,5841.4m $307.6m $307.6m 0.27% —
56 Magellan Asset Management Ltd 1.95% of their portfolio Sydney, C3 1,297,2181.3m $278.5m $278.5m 1.95% —
57 Aberdeen Group plc 0.82% of their portfolio EDINBURGH, X0 1,288,6921.3m $276.7m $276.7m 0.82% —
58 JPMORGAN CHASE & CO 0.04% of their portfolio NEW YORK, NY 1,287,4711.3m $276.4m $276.4m 0.04% —
59 VOYA INVESTMENT MANAGEMENT LLC 0.31% of their portfolio ATLANTA, GA 1,219,0241.2m $261.7m $261.7m 0.31% —
60 CREDIT SUISSE AG/ 0.29% of their portfolio ZURICH, V8 1,180,1321.2m $253.4m $253.4m 0.29% —
61 ROYAL BANK OF CANADA 0.08% of their portfolio TORONTO, A6 1,159,4611.2m $248.9m $248.9m 0.08% —
62 RAYMOND JAMES & ASSOCIATES 0.25% of their portfolio ST PETERSBURG, FL 1,159,0081.2m $248.8m $248.8m 0.25% —
63 AustralianSuper Pty Ltd 1.93% of their portfolio MELBOURNE, C3 1,146,1711.1m $246.1m $246.1m 1.93% —
64 US BANCORP \DE\ 0.50% of their portfolio MINNEAPOLIS, MN 1,121,8581.1m $240.9m $240.9m 0.50% —
65 ENVESTNET ASSET MANAGEMENT INC 0.14% of their portfolio Berwyn, PA 1,113,3601.1m $239.0m $239.0m 0.14% —
66 ATLANTA CAPITAL MANAGEMENT CO L L C 1.05% of their portfolio ATLANTA, GA 1,097,2091.1m $235.6m $235.6m 1.05% —
67 ALKEON CAPITAL MANAGEMENT LLC 1.45% of their portfolio New York, NY 979,119979.1k $210.2m $210.2m 1.45% —
68 RHUMBLINE ADVISERS 0.31% of their portfolio BOSTON, MA 957,565957.6k $205.6m $205.6m 0.31% —
69 Alphinity Investment Management Pty Ltd 6.48% of their portfolio Sydney, C3 942,320942.3k $202.3m $202.3m 6.48% —
70 APG Asset Management N.V. 0.52% of their portfolio Amsterdam, P7 928,393928.4k $203.5m $203.5m 0.52% —
71 AXA S.A. 0.39% of their portfolio PARIS, I0 914,380914.4k $196.3m $196.3m 0.39% —
72 Artisan Partners Limited Partnership 0.34% of their portfolio Milwaukee, WI 902,432902.4k $193.8m $193.8m 0.34% —
73 FRANKLIN RESOURCES INC 0.11% of their portfolio San Mateo, CA 899,645899.6k $193.2m $193.2m 0.11% —
74 TCW GROUP INC 2.64% of their portfolio LOS ANGELES, CA 840,963841.0k $180.6m $180.6m 2.64% —
75 SEI INVESTMENTS CO 0.39% of their portfolio OAKS, PA 822,297822.3k $176.5m $176.5m 0.39% —
76 NEW YORK STATE COMMON RETIREMENT FUND 0.25% of their portfolio ALBANY, NY 805,808805.8k $173.0m $173.0m 0.25% —
77 Ensign Peak Advisors, Inc 0.43% of their portfolio SALT LAKE CITY, UT 799,452799.5k $171.6m $171.6m 0.43% —
78 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.28% of their portfolio WEST SACRAMENTO, CA 772,432772.4k $165.8m $165.8m 0.28% —
79 DAVENPORT & Co LLC 1.44% of their portfolio RICHMOND, VA 765,531765.5k $164.2m $164.2m 1.44% —
80 Liontrust Investment Partners LLP 2.63% of their portfolio LONDON, X0 764,400764.4k $164.1m $164.1m 2.63% —
81 FIRST MANHATTAN CO. LLC. 0.68% of their portfolio NEW YORK, NY 752,129752.1k $161.5m $161.5m 0.68% —
82 BLAIR WILLIAM & CO/IL 0.72% of their portfolio CHICAGO, IL 730,748730.7k $156.9m $156.9m 0.72% —
83 Bahl & Gaynor LLC 1.03% of their portfolio CINCINNATI, OH 726,657726.7k $156.0m $156.0m 1.03% —
84 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.60% of their portfolio Paris, I0 710,604710.6k $152.6m $152.6m 0.60% —
85 Pacer Advisors, Inc. 1.03% of their portfolio Malvern, PA 691,025691.0k $148.4m $148.4m 1.03% —
86 National Pension Service 0.29% of their portfolio JEONJU-SI, JEOLLABUK-DO, M5 655,113655.1k $140.0m $140.0m 0.29% —
87 HSBC HOLDINGS PLC 0.25% of their portfolio LONDON, X0 642,346642.3k $138.0m $138.0m 0.25% —
88 CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC 2.50% of their portfolio RADNOR, PA 638,547638.5k $137.1m $137.1m 2.50% —
89 CANADA LIFE ASSURANCE Co 0.38% of their portfolio WINNIPEG, A2 627,410627.4k $134.6m $134.6m 0.38% —
90 Sarasin & Partners LLP 1.85% of their portfolio London, X0 620,400620.4k $133.2m $133.2m 1.85% —
91 M&G INVESTMENT MANAGEMENT LTD 1.11% of their portfolio London, X0 620,086620.1k $133.3m $133.3m 1.11% —
92 CITIGROUP INC 0.19% of their portfolio NEW YORK, NY 611,097611.1k $131.2m $131.2m 0.19% —
93 Korea Investment CORP 0.40% of their portfolio SEOUL, M5 606,058606.1k $130.1m $130.1m 0.40% —
94 Swedbank AB 0.31% of their portfolio STOCKHOLM, V7 599,492599.5k $128.7m $128.7m 0.31% —
95 TD Asset Management Inc 0.16% of their portfolio Toronto, A6 592,813592.8k $126.7m $126.7m 0.16% —
96 AVENIR CORP 13.49% of their portfolio ALEXANDRIA, VA 592,646592.6k $127.2m $127.2m 13.49% —
97 AVIVA PLC 0.73% of their portfolio LONDON, X0 592,306592.3k $127.2m $127.2m 0.73% —
98 Ranger Global Real Estate Advisors, LLC 7.48% of their portfolio DENVER, CO 587,142587.1k $82.3m $82.3m 7.48% —
99 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.25% of their portfolio HARRISBURG, PA 580,192580.2k $124.6m $124.6m 1.25% —
100 ClearBridge Investments Ltd 4.05% of their portfolio SYDNEY, C3 578,159578.2k $124.1m $124.1m 4.05% —