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AMT in the 13F filings

American Tower Corp · CUSIP 03027X100

Sector · Real estateTheme · Real estate investment trusts
Quarter
Q3 2026 · early filersQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023
Quarter end
31 Mar 2024
the date the book describes
Filed
5 Nov 2026
latest of these filings; the earliest 1 May 2024
Managers listing it
26
at least, of 95 tracked, among listed positions
Comparable managers
93
filed both Q4 2023 and Q1 2024; 19 listed it in both
Shares listed
59,055,174
combined, among listed positions
Reported value
$11.7bn
combined, at the quarter end

Among the 93 comparable managers: 15 buyers (opened or added shares) and 11 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.

Managers listing AMT in Q1 2024

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2023, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

26 of 26 holders

ActionFiling
Wellington Management Group LLP15,371,048$3.0bn0.54%Trimmed-452,57415 May 2024 (the filing on sec.gov)
Fidelity (FMR LLC)8,028,195$1.6bn0.11%Added+857,8225 Nov 2026 (the filing on sec.gov)
Akre Capital Management LLC6,197,825$1.2bn10.13%Trimmed-606,77413 May 2024 (the filing on sec.gov)
T. Rowe Price Associates Inc5,670,315$1.1bn0.14%Trimmed-551,58615 May 2024 (the filing on sec.gov)
Invesco Ltd5,525,184$1.1bn0.23%Trimmed-144,59614 May 2024 (the filing on sec.gov)
Capital Research Global Investors4,384,456$866m0.20%Trimmed-52,59514 May 2024 (the filing on sec.gov)
AllianceBernstein LP3,521,631$696m0.25%Trimmed-389,57614 May 2024 (the filing on sec.gov)
MFS Investment Management2,846,464$562m0.17%Added+267,65314 May 2024 (the filing on sec.gov)
Janus Henderson Group Ltd2,094,657$414m0.23%Trimmed-19,37515 May 2024 (the filing on sec.gov)
Neuberger Berman Group LLC1,691,537$334m0.28%Added+51,74314 Nov 2024 (the filing on sec.gov)
Capital World Investors957,141$189munder 0.1%Added+75,55014 May 2024 (the filing on sec.gov)
Point72 Asset Management LP816,372$161m0.39%Added+173,27215 May 2024 (the filing on sec.gov)
Renaissance Technologies LLC531,839$105m0.17%Newnew13 May 2024 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC341,833$68m0.45%Added+255,01115 May 2024 (the filing on sec.gov)
Arrowstreet Capital LP241,695$48munder 0.1%Newnew15 May 2024 (the filing on sec.gov)
Baillie Gifford & Co205,119$41munder 0.1%Added+8,3591 May 2024 (the filing on sec.gov)
Voloridge Investment Management LLC161,160$32m0.12%Newnew15 May 2024 (the filing on sec.gov)
AQR Capital Management LLC154,817$30m0.05%Added+1,33215 May 2024 (the filing on sec.gov)
Man Group PLC133,266$26m0.07%Addedn.a.15 May 2024 (the filing on sec.gov)
Markel Group Inc51,910$10m0.10%Held03 May 2024 (the filing on sec.gov)
Quantbot Technologies LP41,405$8.2m0.46%Addedn.a.6 May 2024 (the filing on sec.gov)
Verition Fund Management LLC40,391$8.0m0.05%Trimmed-5,30814 May 2024 (the filing on sec.gov)
GAMCO Investors Inc32,323$6.4m0.06%Trimmed-62614 May 2024 (the filing on sec.gov)
Winton Group Ltd6,980$1.4m0.10%Newnew14 May 2024 (the filing on sec.gov)
Moore Capital Management LP6,423$1.3munder 0.1%Trimmed-16,08215 May 2024 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q4 2023 to Q1 2024, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (5)

Exited (1)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
28 in Q3 2024 to 31 in Q2 2026

Tracked managers listing it, at least.

0102030402014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
AMT by quarter
QuarterHoldersReported valueBuyersSellers
Q2 201322$7.6bnn.a.n.a.
Q3 201324$8.5bnn.a.n.a.
Q4 201317$9.1bnn.a.n.a.
Q1 201420$8.9bnn.a.n.a.
Q2 201420$9.3bnn.a.n.a.
Q3 201426$9.3bnn.a.n.a.
Q4 201420$9.0bnn.a.n.a.
Q1 201527$9.1bnn.a.n.a.
Q2 201521$9.5bnn.a.n.a.
Q3 201521$9.2bnn.a.n.a.
Q4 201525$10.2bnn.a.n.a.
Q1 201624$11.0bnn.a.n.a.
Q2 201623$12.5bnn.a.n.a.
Q3 201623$12.1bnn.a.n.a.
Q4 201626$11.5bnn.a.n.a.
Q1 201726$12.8bnn.a.n.a.
Q2 201727$14.7bnn.a.n.a.
Q3 201733$15.0bnn.a.n.a.
Q4 201725$14.7bnn.a.n.a.
Q1 201821$15.3bnn.a.n.a.
Q2 201819$14.5bnn.a.n.a.
Q3 201820$14.4bnn.a.n.a.
Q4 201818$16.0bnn.a.n.a.
Q1 201920$19.8bnn.a.n.a.
Q2 201926$19.4bnn.a.n.a.
Q3 201925$19.3bnn.a.n.a.
Q4 201922$19.2bnn.a.n.a.
Q1 202031$17.5bnn.a.n.a.
Q2 202027$20.0bnn.a.n.a.
Q3 202034$18.1bnn.a.n.a.
Q4 202029$15.3bnn.a.n.a.
Q1 202121$15.3bnn.a.n.a.
Q2 202123$17.2bnn.a.n.a.
Q3 202128$16.9bnn.a.n.a.
Q4 202124$17.1bnn.a.n.a.
Q1 202222$13.4bnn.a.n.a.
Q2 202225$15.2bnn.a.n.a.
Q3 202227$12.7bnn.a.n.a.
Q4 202222$13.0bnn.a.n.a.
Q1 202332$12.6bnn.a.n.a.
Q2 202328$11.7bnn.a.n.a.
Q3 202329$9.5bnn.a.n.a.
Q4 202323$12.8bn717
Q1 202426$11.7bn1511
Q2 202429$11.3bn1714
Q3 202428$14.0bn1611
Q4 202426$11.6bn1413
Q1 202528$13.9bn1513
Q2 202528$13.8bn1810
Q3 202530$9.5bn1615
Q4 202534$9.0bn2420
Q1 202629$8.4bn1925
Q2 202631$8.6bn2318

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

AMT and WELL →AMT and EQIX →AMT and PLD →Choose a stock to compare with AMT →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own AMT, latest filings →Back to the 13F Explorer →