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Walleye Trading LLC

Position in MTZ — Mastec Inc

CIK 1388391 NEW YORK, NY

Position in MTZ

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$3,565,200
+$3,250,666 QoQ
Shares Held
11,081
+665.8% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MTZ Over Time

Shares Held

Position Value (USD)

Derivatives in MTZ

reported options exposure · as of Mar 31, 2026
CallValue
$10,488,724
CallShares
32,600
PutValue
$2,766,964
PutShares
8,600

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 Engineering & Construction

Industrials · as of Mar 31, 2026

Walleye Trading LLC holds $9,254,725 across 6 Engineering & Construction names. MTZ ranks #1 (38.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MTZ
Mastec Inc
This page
11,081 $3,565,200

All Filings in MTZ

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50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $10,488,724 32,600
2026-03-31 $2,766,964 8,600
2026-03-31 $3,565,200 11,081
2025-12-31 $1,434,642 6,600
2025-12-31 $1,912,856 8,800
2025-12-31 $314,534 1,447
2025-09-30 $5,026,997 23,622
2025-09-30 $595,868 2,800
2025-09-30 $2,638,844 12,400
2025-06-30 $3,613,116 21,200
2025-06-30 $5,181,072 30,400
2025-03-31 $1,400,520 12,000
2025-03-31 $1,003,706 8,600
2024-12-31 $313,122 2,300
2024-12-31 $1,497,540 11,000
2024-09-30 $4,049,990 32,900
2024-09-30 $581,032 4,720
2024-09-30 $1,046,350 8,500
2024-06-30 $11,907,987 111,300
2024-06-30 $1,604,850 15,000
2024-03-31 $2,186,432 23,447
2024-03-31 $3,646,075 39,100
2024-03-31 $6,527,500 70,000
2023-12-31 $3,402,251 44,932
2023-12-31 $901,068 11,900
2023-12-31 $3,225,672 42,600
2023-09-30 $378,562 5,260
2023-09-30 $885,231 12,300
2023-09-30 $151,137 2,100
2023-06-30 $98,622 836
2023-06-30 $1,474,625 12,500
2023-06-30 $188,752 1,600
2023-03-31 $566,640 6,000
2023-03-31 $1,860,468 19,700
2023-03-31 $263,582 2,791
2022-12-31 $2,235,646 26,200
2022-12-31 $1,056,556 12,382
2022-12-31 $3,404,667 39,900
2022-09-30 $672,465 10,590
2022-09-30 $1,200,150 18,900
2022-09-30 $2,387,600 37,600
2022-06-30 $1,562,188 21,800
2022-06-30 $2,242,958 31,300
2022-06-30 $30,168 421
2022-03-31 $975,520 11,200
2022-03-31 $513,890 5,900
2022-03-31 $223,672 2,568
2021-12-31 $125,223 1,357
2021-12-31 $175,332 1,900
2021-12-31 $129,192 1,400