Walleye Capital
MTZ icon

Walleye Capital’s MasTec MTZ Stock Holding History

Walleye Capital’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 		$499K Sell
1,200
-2,200
-65% -$841K ﹤0.01% 2747
2026
Q1 		$1.09M Sell
3,400
-1,900
-36% -$514K ﹤0.01% 1994
2025
Q4 		$1.15M Sell
5,300
-1,500
-22% -$315K ﹤0.01% 2328
2025
Q3 		$1.45M Buy
6,800
+4,600
+209% +$842K 0.01% 1808
2025
Q2 		$375K Sell
2,200
-13,400
-86% -$1.93M ﹤0.01% 2886
2025
Q1 		$1.82M Buy
15,600
+12,800
+457% +$1.73M 0.01% 1488
2024
Q4 		$381K Buy
2,800
+2,100
+300% +$282K ﹤0.01% 3214
2024
Q3 		$86.2K Sell
700
-6,300
-90% -$688K ﹤0.01% 4452
2024
Q2 		$749K Sell
7,000
-18,000
-72% -$1.82M ﹤0.01% 3125
2024
Q1 		$2.33M Sell
25,000
-20,600
-45% -$1.57M ﹤0.01% 1888
2023
Q4 		$3.45M Buy
45,600
+45,000
+7,500% +$2.81M 0.01% 1366
2023
Q3 		$43.2K Sell
600
-2,700
-82% -$269K ﹤0.01% 4229
2023
Q2 		$389K Buy
3,300
+2,600
+371% +$255K ﹤0.01% 2621
2023
Q1 		$66.1K Sell
700
-13,600
-95% -$1.29M ﹤0.01% 3105
2022
Q4 		$1.22M Buy
+14,300
New +$1.17M 0.02% 878
2020
Q1 		– Sell
-2,600
Closed -$167K – 1409
2019
Q4 		$167K Sell
2,600
-400
-13% -$26.3K 0.01% 1194
2019
Q3 		$195K Buy
+3,000
New +$175K 0.01% 1211

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

Walleye Capital's MTZ Position: Q2 2026 in Review

Walleye Capital reduced its MasTec (MTZ) stake by 67% in Q2 2026, selling an estimated $15.2M and leaving 19,475 shares worth $8.1M. The position accounts for 0.03% of the portfolio, ranked #569.

Walleye Capital first reported a position in MTZ in Q3 2019 and has held it in 16 quarters since. The position peaked at $43.4M in Q4 2025. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Walleye Capital held 19,475 shares of MasTec worth $8.1M as of Q2 2026.
  • Walleye Capital sold 39,707 MasTec shares in Q2 2026, an estimated $15.2M.
  • MasTec made up 0.03% of Walleye Capital's portfolio in Q2 2026, its #569 holding.
  • Walleye Capital first reported a position in MasTec in Q3 2019 and has held it in 16 quarters since.
  • Walleye Capital's MasTec position peaked at $43.4M in Q4 2025.
  • 911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.