STATE OF WISCONSIN INVESTMENT BOARD
Position in AMT — American Tower Corp /Ma/
CIK 854157
MADISON, WI
Position in AMT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$45,815,139
+$2,550,196 QoQ
Shares Held
280,095
+11.7% QoQ
Ownership
0.060%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#154
of 1,735 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMT Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $236,097,764 across 15 REIT - Specialty names. AMT ranks #2 (19.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
53,815 | $56,096,217 | |
| 2 | AMT |
American Tower Corp /Ma/
This page
|
280,095 | $45,815,139 | |
| 3 | DLR |
Digital Realty Trust, Inc.
|
183,382 | $32,931,739 | |
| 4 | CCI |
Crown Castle Inc.
|
285,111 | $21,591,456 | |
| 5 | IRM |
Iron Mountain Inc
|
158,437 | $20,012,177 | |
| 6 | WY |
Weyerhaeuser Co
|
594,614 | $14,235,059 | |
| 7 | SBAC |
Sba Communications Corp
|
76,581 | $13,513,483 | |
| 8 | GLPI |
Gaming & Leisure Properties, Inc.
|
212,360 | $9,456,390 |
All Filings in AMT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $45,815,139 | 280,095 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $43,264,943 | 250,695 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $42,588,892 | 242,575 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $48,424,060 | 251,789 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $56,696,713 | 256,523 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $57,137,625 | 262,581 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $48,186,942 | 262,728 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $65,963,783 | 283,642 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $52,029,888 | 267,671 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $49,795,446 | 252,014 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $52,970,475 | 245,370 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $40,779,324 | 247,974 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $69,664,993 | 359,209 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $77,174,313 | 377,676 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $87,484,620 | 412,936 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $100,257,600 | 466,966 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $122,404,862 | 478,911 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $114,953,247 | 457,580 | Shares | Sole | 2022-05-13 | |
| 2021-09-30 | $155,641,732 | 586,420 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $148,371,963 | 549,241 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $120,513,970 | 504,116 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $114,024,108 | 507,993 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $137,904,305 | 570,489 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $149,337,616 | 577,619 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $134,888,286 | 619,464 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||