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MILLENNIUM MANAGEMENT LLC

Position in AMT — American Tower Corp /Ma/

CIK 1273087 NEW YORK, NY

Position in AMT

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$176,269,415
+$85,559,244 QoQ
Shares Held
1,021,378
+97.7% QoQ
Ownership
0.219%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AMT Over Time

Shares Held

Position Value (USD)

Derivatives in AMT

reported options exposure · as of Mar 31, 2026
CallValue
$5,919,494
CallShares
34,300
PutValue
$7,265,618
PutShares
42,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in REIT - Specialty

Real Estate · as of Mar 31, 2026

MILLENNIUM MANAGEMENT LLC holds $648,074,723 across 15 REIT - Specialty names. AMT ranks #1 (27.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMT
American Tower Corp /Ma/
This page
1,021,378 $176,269,415

All Filings in AMT

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $176,269,415 1,021,378
2026-03-31 $5,919,494 34,300
2026-03-31 $7,265,618 42,100
2025-12-31 $1,193,876 6,800
2025-12-31 $9,568,565 54,500
2025-12-31 $90,710,171 516,661
2025-09-30 $25,020,832 130,100
2025-09-30 $4,327,200 22,500
2025-09-30 $54,405,020 282,888
2025-06-30 $28,356,866 128,300
2025-06-30 $8,045,128 36,400
2025-06-30 $56,395,242 255,159
2025-03-31 $109,190,374 501,794
2025-03-31 $14,796,800 68,000
2025-03-31 $38,580,480 177,300
2024-12-31 $10,197,596 55,600
2024-12-31 $8,638,611 47,100
2024-12-31 $20,984,488 114,413
2024-09-30 $16,162,920 69,500
2024-09-30 $15,907,104 68,400
2024-09-30 $25,618,809 110,160
2024-06-30 $86,336,987 444,166
2024-06-30 $1,438,412 7,400
2024-06-30 $10,224,388 52,600
2024-03-31 $5,176,858 26,200
2024-03-31 $12,309,857 62,300
2024-03-31 $50,735,579 256,772
2023-12-31 $3,432,492 15,900
2023-12-31 $43,940,862 203,543
2023-12-31 $2,828,028 13,100
2023-09-30 $1,134,705 6,900
2023-09-30 $127,965,945 778,145
2023-09-30 $2,203,630 13,400
2023-06-30 $46,910,595 241,882
2023-06-30 $1,357,580 7,000
2023-06-30 $1,958,794 10,100
2023-03-31 $34,569,628 169,177
2023-03-31 $1,655,154 8,100
2023-03-31 $1,062,568 5,200
2022-12-31 $6,692,869 31,591
2022-12-31 $22,266,486 105,100
2022-12-31 $38,177,172 180,200
2022-09-30 $28,941,560 134,800
2022-09-30 $80,755,755 376,133
2022-09-30 $6,784,520 31,600
2022-06-30 $110,040,696 430,536
2022-06-30 $53,086,043 207,700
2022-06-30 $11,961,612 46,800
2022-03-31 $44,013,744 175,200
2022-03-31 $1,306,344 5,200