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UBS O'Connor’s Quanta Services PWR Stock Holding History

UBS O'Connor’s Portfolio PWR Stock Details PWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-12,000
Closed -$4.97M – 298
2025
Q3 		$4.97M Buy
+12,000
New +$4.66M 0.15% 69
2023
Q1 		– Sell
-18,574
Closed -$2.65M – 699
2022
Q4 		$2.65M Sell
18,574
-114,904
-86% -$16.3M 0.05% 343
2022
Q3 		$17M Buy
133,478
+53,943
+68% +$7.38M 0.19% 65
2022
Q2 		$9.97M Buy
+79,535
New +$9.76M 0.1% 111
2021
Q3 		– Sell
-67,874
Closed -$6.15M – 976
2021
Q2 		$6.15M Buy
67,874
+16,449
+32% +$1.54M 0.05% 178
2021
Q1 		$4.52M Buy
+51,425
New +$4.09M 0.07% 288
2015
Q4 		– Sell
-348,474
Closed -$8.44M – 526
2015
Q3 		$8.44M Sell
348,474
-340,692
-49% -$8.68M 0.08% 238
2015
Q2 		$19.9M Sell
689,166
-69,096
-9% -$2.02M 0.16% 159
2015
Q1 		$21.6M Buy
758,262
+362,763
+92% +$10.2M 0.21% 146
2014
Q4 		$11.2M Sell
395,499
-9,929
-2% -$312K 0.2% 131
2014
Q3 		$14.7M Buy
405,428
+58,473
+17% +$2.08M 0.25% 112
2014
Q2 		$12M Buy
346,955
+211,810
+157% +$7.33M 0.08% 123
2014
Q1 		$4.99M Buy
135,145
+72,729
+117% +$2.43M 0.09% 241
2013
Q4 		$1.97M Buy
+62,416
New +$1.83M 0.04% 266

Other funds holding PWR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
PP
Peconic Partners New York $8.04B AUM 107.18% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

UBS O'Connor's PWR Position: Q4 2025 in Review

UBS O'Connor sold out of Quanta Services (PWR) in Q4 2025, closing a stake of 12,000 shares — an estimated $4.97M sold.

UBS O'Connor first reported a position in PWR in Q4 2013 and held it in 14 quarters. The position peaked at $21.6M in Q1 2015. 1,618 funds tracked by Wall St. Rank hold PWR as of Q4 2025.

  • UBS O'Connor reported no remaining Quanta Services position as of Q4 2025 after selling out during the quarter.
  • UBS O'Connor sold 12,000 Quanta Services shares in Q4 2025, an estimated $4.97M.
  • UBS O'Connor first reported a position in Quanta Services in Q4 2013 and held it in 14 quarters.
  • UBS O'Connor's Quanta Services position peaked at $21.6M in Q1 2015.
  • 1,618 funds tracked by Wall St. Rank held Quanta Services as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.