William Harnisch’s Quanta Services PWR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $3.4B | Sell |
4,720,847
-286,993
| -6% | -$196M | 42.25% | 1 |
|
|
2026
Q1 | $2.75B | Hold |
5,007,840
| – | – | 47.56% | 1 |
|
|
2025
Q4 | $2.11B | Hold |
5,007,840
| – | – | 50.23% | 1 |
|
|
2025
Q3 | $2.08B | Buy |
5,007,840
+11,191
| +0.2% | +$4.35M | 57.39% | 1 |
|
|
2025
Q2 | $1.89B | Sell |
4,996,649
-300,916
| -6% | -$96.6M | 60.56% | 1 |
|
|
2025
Q1 | $1.35B | Buy |
5,297,565
+99,000
| +2% | +$28.6M | 68.77% | 1 |
|
|
2024
Q4 | $1.64B | Sell |
5,198,565
-300,000
| -5% | -$96.5M | 66.78% | 1 |
|
|
2024
Q3 | $1.64B | Sell |
5,498,565
-100,000
| -2% | -$26.4M | 68.59% | 1 |
|
|
2024
Q2 | $1.42B | Hold |
5,598,565
| – | – | 60.98% | 1 |
|
|
2024
Q1 | $1.45B | Buy |
5,598,565
+70,200
| +1% | +$15.5M | 64.59% | 1 |
|
|
2023
Q4 | $1.19B | Hold |
5,528,365
| – | – | 57.27% | 1 |
|
|
2023
Q3 | $1.03B | Hold |
5,528,365
| – | – | 60.27% | 1 |
|
|
2023
Q2 | $1.09B | Sell |
5,528,365
-35,000
| -0.6% | -$6.11M | 52.46% | 1 |
|
|
2023
Q1 | $927M | Buy |
5,563,365
+418
| +0% | +$64.3K | 52.61% | 1 |
|
|
2022
Q4 | $807M | Buy |
5,562,947
+31,744
| +0.6% | +$4.51M | 52.07% | 1 |
|
|
2022
Q3 | $705M | Buy |
5,531,203
+65,492
| +1% | +$8.96M | 48.69% | 1 |
|
|
2022
Q2 | $685M | Buy |
5,465,711
+5,000
| +0.1% | +$614K | 50.24% | 1 |
|
|
2022
Q1 | $719M | Sell |
5,460,711
-70,000
| -1% | -$7.78M | 55.06% | 1 |
|
|
2021
Q4 | $634M | Sell |
5,530,711
-33,900
| -0.6% | -$3.91M | 50.97% | 1 |
|
|
2021
Q3 | $633M | Sell |
5,564,611
-104,043
| -2% | -$10.4M | 56.2% | 1 |
|
|
2021
Q2 | $513M | Sell |
5,668,654
-14,000
| -0.2% | -$1.31M | 51.38% | 1 |
|
|
2021
Q1 | $500M | Buy |
5,682,654
+291,039
| +5% | +$23.2M | 52.45% | 1 |
|
|
2020
Q4 | $388M | Sell |
5,391,615
-290,831
| -5% | -$19.2M | 46.55% | 1 |
|
|
2020
Q3 | $300M | Sell |
5,682,446
-3,758
| -0.1% | -$175K | 53.53% | 1 |
|
|
2020
Q2 | $223M | Buy |
5,686,204
+244,163
| +4% | +$8.71M | 62.19% | 1 |
|
|
2020
Q1 | $173M | Hold |
5,442,041
| – | – | 66.77% | 1 |
|
|
2019
Q4 | $222M | Buy |
5,442,041
+321,968
| +6% | +$13.1M | 45.18% | 1 |
|
|
2019
Q3 | $194M | Buy |
5,120,073
+1,191,900
| +30% | +$43.1M | 45.01% | 1 |
|
|
2019
Q2 | $150M | Buy |
3,928,173
+80,000
| +2% | +$3.04M | 29.53% | 2 |
|
|
2019
Q1 | $145M | Buy |
3,848,173
+157,800
| +4% | +$5.51M | 29.18% | 2 |
|
|
2018
Q4 | $111M | Buy |
3,690,373
+618,459
| +20% | +$20M | 27.19% | 2 |
|
|
2018
Q3 | $103M | Sell |
3,071,914
-1,713,550
| -36% | -$58.3M | 25.88% | 2 |
|
|
2018
Q2 | $160M | Buy |
4,785,464
+285,083
| +6% | +$9.98M | 29.33% | 2 |
|
|
2018
Q1 | $155M | Buy |
+4,500,381
| New | +$163M | 29.89% | 2 |
|
|
2017
Q4 | – | Sell |
-4,754,856
| Closed | -$178M | – | 55 |
|
|
2017
Q3 | $178M | Buy |
4,754,856
+190,371
| +4% | +$6.68M | 28.65% | 2 |
|
|
2017
Q2 | $150M | Buy |
4,564,485
+1,714,485
| +60% | +$57.1M | 24.2% | 2 |
|
|
2017
Q1 | $106M | Buy |
2,850,000
+1,625,000
| +133% | +$59.3M | 12.15% | 3 |
|
|
2016
Q4 | $42.7M | Buy |
+1,225,000
| New | +$38.5M | 5.64% | 4 |
|
|
2016
Q1 | – | Sell |
-2,822,895
| Closed | -$63.4M | – | 48 |
|
|
2015
Q4 | $63.4M | Sell |
2,822,895
-6,300
| -0.2% | -$136K | 20.98% | 2 |
|
|
2015
Q3 | $68.5M | Buy |
2,829,195
+124,800
| +5% | +$3.18M | 11.19% | 2 |
|
|
2015
Q2 | $77.9M | Buy |
2,704,395
+420,670
| +18% | +$12.3M | 12.61% | 2 |
|
|
2015
Q1 | $65.2M | Sell |
2,283,725
-223,644
| -9% | -$6.27M | 10.14% | 2 |
|
|
2014
Q4 | $71.2M | Sell |
2,507,369
-1,222,507
| -33% | -$38.4M | 15.46% | 2 |
|
|
2014
Q3 | $135M | Buy |
3,729,876
+100,000
| +3% | +$3.56M | 18.61% | 1 |
|
|
2014
Q2 | $126M | Buy |
3,629,876
+10,700
| +0.3% | +$370K | 14.25% | 1 |
|
|
2014
Q1 | $134M | Buy |
3,619,176
+26,900
| +0.7% | +$898K | 12.63% | 1 |
|
|
2013
Q4 | $113M | Buy |
3,592,276
+1,351,500
| +60% | +$39.7M | 11.82% | 1 |
|
|
2013
Q3 | $61.6M | Sell |
2,240,776
-4,200
| -0.2% | -$114K | 7.63% | 4 |
|
|
2013
Q2 | $59.4M | Buy |
+2,244,976
| New | +$62.3M | 7.86% | 3 |
|
Other funds holding PWR
William Harnisch's PWR Position: Q2 2026 in Review
William Harnisch reduced its Quanta Services (PWR) stake by 5.7% in Q2 2026, selling an estimated $196M and leaving 4,720,847 shares worth $3.4B. The position accounts for 42.25% of the portfolio, ranked #1.
William Harnisch first reported a position in PWR in Q2 2013 and has held it in 49 quarters since. 1,928 funds tracked by Wall St. Rank hold PWR as of Q2 2026.
- William Harnisch held 4,720,847 shares of Quanta Services worth $3.4B as of Q2 2026.
- William Harnisch sold 286,993 Quanta Services shares in Q2 2026, an estimated $196M.
- Quanta Services made up 42.25% of William Harnisch's portfolio in Q2 2026, its #1 holding.
- William Harnisch first reported a position in Quanta Services in Q2 2013 and has held it in 49 quarters since.
- 1,928 funds tracked by Wall St. Rank held Quanta Services as of Q2 2026.
Based on Peconic Partners's 13F filing for Q2 2026, filed 14 Aug 2026.