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Driehaus Capital Management’s MasTec MTZ Stock Holding History

Driehaus Capital 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 		$19.5M Sell
46,753
-57,249
-55% -$21.9M 0.11% 233
2026
Q1 		$33.5M Sell
104,002
-193
-0.2% -$52.3K 0.25% 139
2025
Q4 		$22.6M Buy
104,195
+6,332
+6% +$1.33M 0.15% 192
2025
Q3 		$20.8M Buy
+97,863
New +$17.9M 0.15% 197
2021
Q3 		– Sell
-40,000
Closed -$4.24M – 449
2021
Q2 		$4.24M Sell
40,000
-41,100
-51% -$4.46M 0.06% 285
2021
Q1 		$7.6M Buy
81,100
+44,100
+119% +$3.77M 0.11% 233
2020
Q4 		$2.52M Buy
37,000
+6,800
+23% +$381K 0.04% 280
2020
Q3 		$1.27M Sell
30,200
-22,100
-42% -$950K 0.03% 275
2020
Q2 		$2.35M Buy
52,300
+39,300
+302% +$1.49M 0.06% 252
2020
Q1 		$425K Buy
13,000
+1,000
+8% +$50.9K 0.01% 307
2019
Q4 		$770K Buy
+12,000
New +$790K 0.02% 323
2018
Q2 		– Sell
-37,517
Closed -$1.76M – 528
2018
Q1 		$1.76M Sell
37,517
-12,807
-25% -$649K 0.06% 277
2017
Q4 		$2.46M Buy
+50,324
New +$2.24M 0.09% 242
2017
Q3 		– Sell
-24,118
Closed -$1.09M – 555
2017
Q2 		$1.09M Buy
24,118
+13,882
+136% +$600K 0.04% 339
2017
Q1 		$410K Sell
10,236
-21,280
-68% -$814K 0.01% 452
2016
Q4 		$1.21M Buy
31,516
+10,368
+49% +$352K 0.04% 330
2016
Q3 		$629K Sell
21,148
-6,705
-24% -$184K 0.02% 407
2016
Q2 		$622K Buy
+27,853
New +$618K 0.02% 403

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

Driehaus Capital Management's MTZ Position: Q2 2026 in Review

Driehaus Capital Management reduced its MasTec (MTZ) stake by 55% in Q2 2026, selling an estimated $21.9M and leaving 46,753 shares worth $19.5M. The position accounts for 0.11% of the portfolio, ranked #233.

Driehaus Capital Management first reported a position in MTZ in Q2 2016 and has held it in 18 quarters since. The position peaked at $33.5M in Q1 2026. 908 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Driehaus Capital Management held 46,753 shares of MasTec worth $19.5M as of Q2 2026.
  • Driehaus Capital Management sold 57,249 MasTec shares in Q2 2026, an estimated $21.9M.
  • MasTec made up 0.11% of Driehaus Capital Management's portfolio in Q2 2026, its #233 holding.
  • Driehaus Capital Management first reported a position in MasTec in Q2 2016 and has held it in 18 quarters since.
  • Driehaus Capital Management's MasTec position peaked at $33.5M in Q1 2026.
  • 908 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

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