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Parallax Volatility Advisers, L.P.

Position in AMT — American Tower Corp /Ma/

CIK 1521001 San Francisco, CA

Position in AMT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,202,209
+$3,044,817 QoQ
Shares Held
19,577
+2046.6% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
#562
of 1,740 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)

Derivatives in AMT

reported options exposure · as of Jun 30, 2026
CallValue
$16,357
CallShares
100
PutValue
$6,739,084
PutShares
41,200

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 Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $3,894,669 across 2 REIT - Specialty names. AMT ranks #1 (82.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMT
American Tower Corp /Ma/
This page
19,577 $3,202,209

All Filings in AMT

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,202,209 19,577
2026-06-30 $6,739,084 41,200
2026-06-30 $16,357 100
2026-03-31 $51,774 300
2026-03-31 $157,392 912
2026-03-31 $51,774 300
2025-12-31 $64,644,874 368,200
2025-09-30 $2,404,000 12,500
2025-09-30 $73,216,224 380,700
2025-06-30 $35,937,852 162,600
2025-06-30 $91,900,116 415,800
2025-03-31 $90,456,320 415,700
2025-03-31 $6,419,200 29,500
2024-12-31 $12,728,654 69,400
2024-12-31 $2,292,625 12,500
2024-09-30 $38,930,544 167,400
2024-09-30 $13,581,504 58,400
2024-06-30 $12,809,642 65,900
2024-06-30 $5,423,202 27,900
2024-03-31 $1,264,576 6,400
2024-03-31 $14,246,239 72,100
2023-12-31 $3,777,900 17,500
2023-12-31 $23,530,920 109,000
2023-09-30 $5,393,960 32,800
2023-09-30 $3,256,110 19,800
2023-06-30 $4,441,226 22,900
2023-06-30 $6,050,928 31,200
2023-03-31 $26,380,294 129,100
2023-03-31 $10,237,434 50,100
2022-12-31 $6,313,428 29,800
2022-12-31 $4,761,553 22,475
2022-12-31 $13,262,436 62,600
2022-09-30 $12,474,070 58,100
2022-09-30 $42,231,490 196,700
2022-06-30 $19,143,691 74,900
2022-06-30 $16,229,965 63,500
2022-06-30 $572,266 2,239
2022-03-31 $6,531,720 26,000
2022-03-31 $15,902,226 63,300
2021-09-30 $49,711,293 187,300
2021-09-30 $16,561,584 62,400
2021-06-30 $70,938,764 262,600
2021-06-30 $21,638,214 80,100
2021-03-31 $35,200,628 147,246
2021-03-31 $81,925,862 342,700
2021-03-31 $63,159,652 264,200
2020-12-31 $12,759,204 56,844
2020-12-31 $15,106,158 67,300
2020-12-31 $24,825,276 110,600
2020-09-30 $38,966,876 161,200