Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record · archived quarter

AMT

American Tower Corporation · Real Estate · REIT - Specialty

178.04 -0.3% mkt cap $82.96B quote delayed (FMP) · as of Aug 26 15:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
21Tracked holders
0Δ holders
64.21MShares held
$11.80BReported value
+2New positions
−2Exits
Stable Conviction score 50/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +2.6% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 180 0 331.46M $54.32B +3 −2
Q1 2026 182 +1 326.66M $56.34B +5 −5
Q4 2025 180 +1 365.57M $64.21B +2
Q3 2025 25 0 222.75M $42.86B +2 −3
Q2 2025 23 -1 191.62M $42.38B −1
Q1 2025 21 0 69.31M $15.07B +1 −1
Q4 2024 21 0 64.21M $11.80B +2 −2
Q3 2024 20 +2 41.47M $9.63B +2
Q2 2024 18 40.82M $7.93B
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 21.13M $3.91B 0.2% n/c 1 SEC ↗
2 Geode Capital Management (passive) 11.34M +1.1% $2.07B 0.2% ▲ Add 3 SEC ↗
3 Geode Capital Management (passive) 11.34M +1.1% $2.07B 0.2% ▲ Add 3 SEC ↗
4 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
5 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
6 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
7 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
8 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
9 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
10 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
11 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
12 Wellington Management 8.08M -29.0% $1.48B 0.3% ▼ Trim 3 SEC ↗
13 Norges Bank (passive) 6.35M +2.7% $1.16B 0.2% ▲ Add 3 SEC ↗
14 T. Rowe Price 5.83M -10.2% $1.07B 0.1% ▼ Trim 3 SEC ↗
15 T. Rowe Price 5.83M -10.2% $1.07B 0.1% ▼ Trim 3 SEC ↗
16 T. Rowe Price 5.83M -10.2% $1.07B 0.1% ▼ Trim 3 SEC ↗
17 Capital World Investors 4.92M +160.6% $902.40M 0.1% ▲ Add 3 SEC ↗
18 Fisher Asset Management 1.74M +0.7% $319.68M 0.1% ▲ Add 3 SEC ↗
19 Arrowstreet Capital 1.52M +11.8% $277.97M 0.2% ▲ Add 3 SEC ↗
20 Viking Global Investors 897.34K New $164.58M 0.5% New 1 SEC ↗
21 Citadel Advisors 761.06K +413.1% $139.59M 0.1% ▲ Add 3 SEC ↗
22 Citadel Advisors 761.06K +413.1% $139.59M 0.1% ▲ Add 3 SEC ↗
23 Point72 Asset Management 653.04K +192.7% $119.77M 0.3% ▲ Add 3 SEC ↗
24 Adage Capital Partners 196.60K -4.2% $36.06M 0.1% ▼ Trim 3 SEC ↗
25 AQR Capital Management 175.17K +7.5% $32.12M 0.0% ▲ Add 3 SEC ↗
26 AQR Capital Management 175.17K +7.5% $32.12M 0.0% ▲ Add 3 SEC ↗
27 AQR Capital Management 175.17K +7.5% $32.12M 0.0% ▲ Add 3 SEC ↗
28 AQR Capital Management 175.17K +7.5% $32.12M 0.0% ▲ Add 3 SEC ↗
29 AQR Capital Management 175.17K +7.5% $32.12M 0.0% ▲ Add 3 SEC ↗
30 AQR Capital Management 175.17K +7.5% $32.12M 0.0% ▲ Add 3 SEC ↗
31 Renaissance Technologies 115.84K +158.6% $21.25M 0.0% ▲ Add 2 SEC ↗
32 Millennium Management 114.41K +3.9% $20.98M 0.0% ▲ Add 3 SEC ↗
33 Gotham Asset Management 94.75K +61.6% $17.38M 0.2% ▲ Add 3 SEC ↗
34 Two Sigma Investments 92.64K +480.1% $16.99M 0.0% ▲ Add 3 SEC ↗
35 D. E. Shaw & Co. 78.61K +4126.3% $14.42M 0.0% ▲ Add 2 SEC ↗
36 D. E. Shaw & Co. 78.61K +4126.3% $14.42M 0.0% ▲ Add 2 SEC ↗
37 Baillie Gifford 76.22K -35.6% $13.98M 0.0% ▼ Trim 3 SEC ↗
38 Baillie Gifford 76.22K -35.6% $13.98M 0.0% ▼ Trim 3 SEC ↗
39 GAMCO Investors 30.42K -4.0% $5.58M 0.1% ▼ Trim 3 SEC ↗
40 Bridgewater Associates 1.93K New $354,165 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Viking Global Investors $164.58M 0.5%
Bridgewater Associates $354,165 0.0%

Exited

Markel Group $12.07M was 0.1%
Marshall Wace $11.06M was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,737 holders, 416.18M shares, $67.33B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Aug 21 Kalathur Rajesh

Director · 2.83K sh @ 177.00 · $500,733

Open-market sales (S)

No open-market insider sales in our coverage window.

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API