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Equibles

JANE STREET GROUP, LLC

Position in MTZ — Mastec Inc

CIK 1595888 NEW YORK, NY
Back to MTZ Full portfolio

Position in MTZ

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$30,229,402
+$29,454,913 QoQ
Shares Held
93,956
+2537.0% QoQ
Ownership
0.119%
of shares outstanding
% of Portfolio
0.04%
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
$30,887,040
CallShares
96,000
PutValue
$21,974,842
PutShares
68,300

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

JANE STREET GROUP, LLC holds $259,459,029 across 36 Engineering & Construction names. MTZ ranks #3 (11.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ROAD
Construction Partners, Inc.
 617,459 $68,612,043
2 FLR
Fluor Corp
 1,126,144 $52,534,616
3 MTZ
Mastec Inc
This page 		93,956 $30,229,402
4 EXPO
Exponent Inc
 209,953 $13,699,432
5 TPC
Tutor Perini Corp
 158,602 $12,242,486
6 WLDN
Willdan Group, Inc.
 142,572 $10,915,311
7 ECG
Everus Construction Group, Inc.
 72,199 $8,523,813
8 IESC
IES Holdings, Inc.
 13,105 $6,244,139

All Filings in MTZ

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $21,974,842 68,300
2026-03-31 $30,887,040 96,000
2026-03-31 $30,229,402 93,956
2025-12-31 $5,825,516 26,800
2025-12-31 $774,489 3,563
2025-12-31 $25,019,287 115,100
2025-09-30 $613,956 2,885
2025-09-30 $17,365,296 81,600
2025-09-30 $10,512,814 49,400
2025-06-30 $7,873,866 46,200
2025-06-30 $2,198,547 12,900
2025-06-30 $41,645,592 244,356
2025-03-31 $8,286,410 71,000
2025-03-31 $3,244,538 27,800
2025-03-31 $27,152,697 232,651
2024-12-31 $6,752,544 49,600
2024-12-31 $6,542,751 48,059
2024-12-31 $4,506,234 33,100
2024-09-30 $4,911,690 39,900
2024-09-30 $5,921,110 48,100
2024-09-30 $4,453,633 36,179
2024-06-30 $2,410,805 22,533
2024-03-31 $1,796,927 19,270
2023-12-31 $9,071,179 119,799
2023-09-30 $4,841,997 67,278
2023-06-30 $2,260,421 19,161
2023-03-31 $420,257 4,450
2022-12-31 $954,244 11,183
2022-09-30 $2,730,944 43,007
2022-06-30 $6,806,696 94,986
2022-03-31 $3,187,860 36,600
2022-03-31 $1,123,590 12,900
2022-03-31 $474,346 5,446
2021-12-31 $466,659 5,057
2021-12-31 $830,520 9,000
2021-12-31 $3,183,660 34,500
2021-09-30 $3,278,640 38,000
2021-09-30 $2,820,579 32,691
2021-09-30 $5,728,992 66,400
2021-06-30 $4,190,950 39,500
2021-06-30 $6,175,020 58,200
2021-06-30 $12,654,334 119,268
2021-03-31 $747,444 7,977
2021-03-31 $2,511,160 26,800
2021-03-31 $4,319,570 46,100
2020-12-31 $1,206,786 17,700
2020-12-31 $2,045,400 30,000
2020-12-31 $589,893 8,652
2020-09-30 $1,439,020 34,100
2020-09-30 $789,140 18,700

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