QIM
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Quantitative Investment Management’s MasTec MTZ Stock Holding History

Quantitative Investment Management’s Portfolio MTZ Stock Details MTZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.04M Buy
+2,496
New +$954K 0.11% 221
2025
Q3 		– Sell
-4,241
Closed -$722K – 442
2025
Q2 		$722K Sell
4,241
-3,805
-47% -$548K 0.1% 164
2025
Q1 		$939K Buy
+8,046
New +$1.09M 0.09% 190
2024
Q4 		– Sell
-9,107
Closed -$1.12M – 427
2024
Q3 		$1.12M Buy
9,107
+4,464
+96% +$487K 0.11% 151
2024
Q2 		$496K Buy
+4,643
New +$469K 0.05% 241
2019
Q4 		– Sell
-17,683
Closed -$1.15M – 727
2019
Q3 		$1.15M Buy
+17,683
New +$1.03M 0.06% 330
2019
Q2 		– Sell
-33,700
Closed -$1.62M – 761
2019
Q1 		$1.62M Buy
+33,700
New +$1.51M 0.09% 281
2018
Q3 		– Sell
-11,600
Closed -$588K – 791
2018
Q2 		$588K Sell
11,600
-75,400
-87% -$3.64M 0.01% 584
2018
Q1 		$4.09M Buy
87,000
+67,400
+344% +$3.42M 0.07% 315
2017
Q4 		$959K Buy
+19,600
New +$874K 0.01% 609
2017
Q1 		– Sell
-62,500
Closed -$2.39M – 823
2016
Q4 		$2.39M Buy
+62,500
New +$2.12M 0.06% 447
2015
Q4 		– Sell
-10,500
Closed -$166K – 793
2015
Q3 		$166K Buy
+10,500
New +$183K 0.01% 620
2014
Q3 		– Sell
-25,000
Closed -$770K – 445
2014
Q2 		$770K Buy
+25,000
New +$942K 0.14% 151
2014
Q1 		– Sell
-8,500
Closed -$278K – 666
2013
Q4 		$278K Buy
+8,500
New +$269K 0.03% 445

Other funds holding MTZ

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PP
Peconic Partners New York $8.04B AUM 107.18% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
HCC
Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Quantitative Investment Management's MTZ Position: Q2 2026 in Review

Quantitative Investment Management opened a new position in MasTec (MTZ) in Q2 2026: 2,496 shares worth $1.04M. The stake represents 0.11% of the portfolio and ranks #221 among its holdings. This is a return to the name: Quantitative Investment Management previously reported a position in MTZ as recently as Q2 2025.

Quantitative Investment Management first reported a position in MTZ in Q4 2013 and has held it in 14 quarters since. The position peaked at $4.09M in Q1 2018. 912 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Quantitative Investment Management held 2,496 shares of MasTec worth $1.04M as of Q2 2026.
  • MasTec was a new Quantitative Investment Management position in Q2 2026.
  • MasTec made up 0.11% of Quantitative Investment Management's portfolio in Q2 2026, its #221 holding.
  • Quantitative Investment Management first reported a position in MasTec in Q4 2013 and has held it in 14 quarters since.
  • Quantitative Investment Management's MasTec position peaked at $4.09M in Q1 2018.
  • 912 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Quantitative Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.