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Free · no sign-up · Q2 2026

Which funds own MTZ

Mastec Inc in the Q2 2026 filings. At least 7 of the 91 current managers on file reported a position, worth $1.0bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went the other way: 7 managers trimmed or sold out against 2 buying.

Managers holding
7
at least, of 91 current
Combined value
$1.0bn
as reported
Opened
0
new this quarter
Added to
2
already held
Trimmed or sold out
7
3 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

ManagerValueWeightSharesChange on the quarterAction
Lone Pine Capital LLC
Long/short equity · $16.4bn book
$560m3.4%1,345,157+$67m-185,893Trimmed
Coatue Management LLC
Long/short equity · $48.6bn book
$215m0.4%517,250+$27m-66,347Trimmed
Third Point LLC
Activist · $4.7bn book
$121m2.6%290,000+$18m-30,000Trimmed
Freestone Grove Partners LP
Multi-strategy · $15.6bn book
$103m0.7%246,593+$32m+26,193Added
PDT Partners LLC
Quantitative · $1.9bn book
$11m0.6%25,533+$2.4m0Held
Brevan Howard Capital Management LP
Macro · $13.5bn book
$9.4m0.1%22,609-$20m-72,060Trimmed
Soros Fund Management LLC
Macro · $8.1bn book
$3.4m0.0%8,275+$2.2m+4,344Added

Sold out of this quarter

Valued at what the position was worth in the previous filing, because by this one it is gone.

Ownership through time

At least 17 of the 95 managers whose filings are on file listed MTZ in Q2 2026, against 2 in Q2 2013. 5 managers fewer than in Q1 2026: 2 started positions; 2 listed it again; 2 sold out, by their own filings; 7 no longer listed it among the positions read, which can mean a holding below the listed range or a filing not yet made.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it
01122Q2 2013: 2Q3 2013: 4Q4 2013: 4Q1 2014: 114Q2 2014: 4Q3 2014: 2Q4 2014: 2Q1 2015: 115Q2 2015: 2Q3 2015: 1Q3 2016: 1Q4 2016: 5Q1 2017: 317Q2 2017: 1Q3 2017: 2Q4 2017: 5Q1 2018: 318Q2 2018: 2Q3 2018: 4Q4 2018: 4Q1 2019: 419Q2 2019: 4Q3 2019: 9Q4 2019: 5Q1 2020: 420Q2 2020: 4Q3 2020: 7Q4 2020: 5Q1 2021: 521Q2 2021: 10Q3 2021: 6Q4 2021: 4Q1 2022: 322Q2 2022: 3Q3 2022: 4Q4 2022: 4Q1 2023: 523Q2 2023: 7Q3 2023: 6Q4 2023: 6Q1 2024: 1024Q2 2024: 9Q3 2024: 10Q4 2024: 14Q1 2025: 1225Q2 2025: 15Q3 2025: 14Q4 2025: 13Q1 2026: 2226Q2 2026: 17
  • Q2 2013: 2
  • Q3 2013: 4
  • Q4 2013: 4
  • Q1 2014: 1
  • Q2 2014: 4
  • Q3 2014: 2
  • Q4 2014: 2
  • Q1 2015: 1
  • Q2 2015: 2
  • Q3 2015: 1
  • Q3 2016: 1
  • Q4 2016: 5
  • Q1 2017: 3
  • Q2 2017: 1
  • Q3 2017: 2
  • Q4 2017: 5
  • Q1 2018: 3
  • Q2 2018: 2
  • Q3 2018: 4
  • Q4 2018: 4
  • Q1 2019: 4
  • Q2 2019: 4
  • Q3 2019: 9
  • Q4 2019: 5
  • Q1 2020: 4
  • Q2 2020: 4
  • Q3 2020: 7
  • Q4 2020: 5
  • Q1 2021: 5
  • Q2 2021: 10
  • Q3 2021: 6
  • Q4 2021: 4
  • Q1 2022: 3
  • Q2 2022: 3
  • Q3 2022: 4
  • Q4 2022: 4
  • Q1 2023: 5
  • Q2 2023: 7
  • Q3 2023: 6
  • Q4 2023: 6
  • Q1 2024: 10
  • Q2 2024: 9
  • Q3 2024: 10
  • Q4 2024: 14
  • Q1 2025: 12
  • Q2 2025: 15
  • Q3 2025: 14
  • Q4 2025: 13
  • Q1 2026: 22
  • Q2 2026: 17
Their combined reported value
$0$1bn$2bnQ2 2013: $108mQ3 2013: $27mQ4 2013: $130mQ1 2014: $128m14Q2 2014: $46mQ3 2014: $31mQ4 2014: $16mQ1 2015: $3.7m15Q2 2015: $66mQ3 2015: $43mQ3 2016: $12mQ4 2016: $26mQ1 2017: $16m17Q2 2017: $15mQ3 2017: $39mQ4 2017: $105mQ1 2018: $27m18Q2 2018: $56mQ3 2018: $113mQ4 2018: $24mQ1 2019: $17m19Q2 2019: $12mQ3 2019: $81mQ4 2019: $87mQ1 2020: $47m20Q2 2020: $62mQ3 2020: $49mQ4 2020: $16mQ1 2021: $47m21Q2 2021: $632mQ3 2021: $49mQ4 2021: $56mQ1 2022: $75m22Q2 2022: $73mQ3 2022: $105mQ4 2022: $91mQ1 2023: $123m23Q2 2023: $545mQ3 2023: $315mQ4 2023: $510mQ1 2024: $637m24Q2 2024: $1.0bnQ3 2024: $792mQ4 2024: $1.1bnQ1 2025: $575m25Q2 2025: $1.2bnQ3 2025: $1.3bnQ4 2025: $1.4bnQ1 2026: $2.1bn26Q2 2026: $2.0bn
  • Q2 2013: $108m
  • Q3 2013: $27m
  • Q4 2013: $130m
  • Q1 2014: $128m
  • Q2 2014: $46m
  • Q3 2014: $31m
  • Q4 2014: $16m
  • Q1 2015: $3.7m
  • Q2 2015: $66m
  • Q3 2015: $43m
  • Q3 2016: $12m
  • Q4 2016: $26m
  • Q1 2017: $16m
  • Q2 2017: $15m
  • Q3 2017: $39m
  • Q4 2017: $105m
  • Q1 2018: $27m
  • Q2 2018: $56m
  • Q3 2018: $113m
  • Q4 2018: $24m
  • Q1 2019: $17m
  • Q2 2019: $12m
  • Q3 2019: $81m
  • Q4 2019: $87m
  • Q1 2020: $47m
  • Q2 2020: $62m
  • Q3 2020: $49m
  • Q4 2020: $16m
  • Q1 2021: $47m
  • Q2 2021: $632m
  • Q3 2021: $49m
  • Q4 2021: $56m
  • Q1 2022: $75m
  • Q2 2022: $73m
  • Q3 2022: $105m
  • Q4 2022: $91m
  • Q1 2023: $123m
  • Q2 2023: $545m
  • Q3 2023: $315m
  • Q4 2023: $510m
  • Q1 2024: $637m
  • Q2 2024: $1.0bn
  • Q3 2024: $792m
  • Q4 2024: $1.1bn
  • Q1 2025: $575m
  • Q2 2025: $1.2bn
  • Q3 2025: $1.3bn
  • Q4 2025: $1.4bn
  • Q1 2026: $2.1bn
  • Q2 2026: $2.0bn

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Largest increases, by shares

Largest decreases, by shares

ManagerValue over timeFirst listedLargestQ2 2026
Lone Pine Capital LLCQ1 2026$560m$560m
Invesco LtdQ2 2013$516m$516m
AQR Capital Management LLCQ3 2019$274m$274m
Coatue Management LLCQ4 2025$215m$215m
Third Point LLCQ3 2025$201m$121m
Freestone Grove Partners LPQ4 2024$144m$103m
Arrowstreet Capital LPQ4 2024$73m$69m
Point72 Asset Management LPQ4 2014$157m$65m
Acadian Asset Management LLCQ2 2026$55m$55m
Voloridge Investment Management LLCQ4 2016$23m$19m
PDT Partners LLCQ3 2013$12m$11m
Brevan Howard Capital Management LPQ3 2024$29m$9.4m
Schonfeld Strategic Advisors LLCQ3 2018$32m$9.1m
Moore Capital Management LPQ2 2019$15m$3.9m
Soros Fund Management LLCQ4 2025$3.4m$3.4m
Fidelity (FMR LLC)Q2 2021$502mlast listed Q2 2021
AllianceBernstein LPQ2 2023$276mlast listed Q1 2025
Millennium Management LLCQ2 2014$216mlast listed Q1 2026
Citadel Advisors LLCQ2 2024$187mlast listed Q2 2024
Balyasny Asset Management LLCQ2 2013$89mlast listed Q1 2026
Holocene Advisors LPQ3 2018$89mlast listed Q1 2026
D1 Capital Partners LPQ2 2024$82mlast listed Q3 2024
Marshall Wace LLPQ2 2014$77mlast listed Q1 2025
Squarepoint Ops LLCQ3 2019$73mlast listed Q1 2026
Walleye Capital LLCQ2 2021$43mlast listed Q1 2026

Reported as options rather than shares

A put or a call on a name is not a position in it, and the filing states the notional rather than what the option cost. These lines are listed apart for that reason and are not counted in anything above.

What MTZ is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around MTZ →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

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The holdings, every quarter, and the week between

One email a week on what moved in the market and what it means for the people interviewing into it, with the 13F changes the quarter they are filed.

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