Quanta Services, Inc.
US ˙ NYSE ˙ US74762E1029

SecurityPWR / Quanta Services, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership284,931 shares
Latest Disclosed Value $ 156,432,581
Citigroup Inc ownership in PWR / Quanta Services, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 284,931 shares of Quanta Services, Inc. (US:PWR) valued at $156,432,818 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 240,530 shares of Quanta Services, Inc.. This represents a change in shares of 18.46% during the quarter. The current value of the position is $203,916,569 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (PWR) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

PWR / Quanta Services, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F QUANTA SVCS COM 74762E102 284,931 44,401 18.46 156,433 54.09 0.0336
2026-02-13 2025-12-31 13F QUANTA SVCS COM 74762E102 240,530 -262,777 -52.21 101,518 -51.33 0.0448
2025-11-10 2025-09-30 13F QUANTA SVCS COM 74762E102 503,307 -53,290 -9.57 208,581 -0.88 0.0930
2025-08-11 2025-06-30 13F QUANTA SVCS COM 74762E102 556,597 -22,965 -3.96 210,438 42.85 0.1034
2025-05-12 2025-03-31 13F QUANTA SVCS COM 74762E102 579,562 163,118 39.17 147,313 11.93 0.0753
2025-02-12 2024-12-31 13F QUANTA SVCS COM 74762E102 416,444 5,306 1.29 131,617 7.37 0.0781
2024-11-12 2024-09-30 13F QUANTA SVCS COM 74762E102 411,138 -14,500 -3.41 122,581 13.34 0.0710
2024-08-12 2024-06-30 13F QUANTA SVCS COM 74762E102 425,638 -90,786 -17.58 108,150 -19.39 0.0693
2024-05-10 2024-03-31 13F QUANTA SVCS COM 74762E102 516,424 150,881 41.28 134,167 70.08 0.0881
2024-02-09 2023-12-31 13F QUANTA SVCS COM 74762E102 365,543 -60,037 -14.11 78,884 -0.92 0.0556
2023-12-06 2023-09-30 13F/A-1 QUANTA SVCS COM 74762E102 425,580 -81,520 -16.08 79,613 -20.08 0.0595
2023-11-09 2023-09-30 13F QUANTA SVCS COM 74762E102 425,580 -81,520 79,613 0.0594
2023-08-10 2023-06-30 13F QUANTA SVCS COM 74762E102 507,100 -26,782 -5.02 99,620 11.97 0.0653
2023-05-11 2023-03-31 13F QUANTA SVCS COM 74762E102 533,882 -1,323 -0.25 88,966 16.65 0.0624
2023-02-09 2022-12-31 13F QUANTA SVCS COM 74762E102 535,205 142,095 36.15 76,267 52.29 0.0607
2022-11-10 2022-09-30 13F QUANTA SVCS COM 74762E102 393,110 -90,680 -18.74 50,078 -17.41 0.0358
2022-08-10 2022-06-30 13F QUANTA SVCS COM 74762E102 483,790 62,549 14.85 60,638 9.37 0.0451
2022-05-12 2022-03-31 13F QUANTA SVCS COM 74762E102 421,241 344,853 451.45 55,441 533.03 0.0337
2022-02-10 2021-12-31 13F QUANTA SVCS COM 74762E102 76,388 16,362 27.26 8,758 28.21 0.0047
2021-11-10 2021-09-30 13F QUANTA SVCS COM 74762E102 60,026 -16,633 -21.70 6,831 -1.60 0.0040
2021-08-10 2021-06-30 13F QUANTA SVCS COM 74762E102 76,659 -7,632 -9.05 6,942 -6.39 0.0042
2021-05-13 2021-03-31 13F QUANTA SVCS COM 74762E102 84,291 -121,197 -58.98 7,416 -49.89 0.0048
2021-02-11 2020-12-31 13F QUANTA SVCS COM 74762E102 205,488 97,706 90.65 14,799 159.68 0.0087
2020-11-12 2020-09-30 13F QUANTA SVCS COM 74762E102 107,782 23,342 27.64 5,699 72.02 0.0037
2020-08-12 2020-06-30 13F QUANTA SVCS COM 74762E102 84,440 -10,665 -11.21 3,313 9.77 0.0026
2020-05-12 2020-03-31 13F QUANTA SVCS COM 74762E102 95,105 60,710 176.51 3,018 115.57 0.0027
2020-02-12 2019-12-31 13F QUANTA SVCS COM 74762E102 34,395 -35,591 -50.85 1,400 -47.09 0.0010
2019-11-08 2019-09-30 13F QUANTA SVCS COM 74762E102 69,986 -40,701 -36.77 2,646 -37.40 0.0021
2019-08-12 2019-06-30 13F QUANTA SVCS COM 74762E102 110,687 55,468 100.45 4,227 102.83 0.0034
2019-05-13 2019-03-31 13F QUANTA SVCS COM 74762E102 55,219 13,331 31.83 2,084 65.40 0.0020
2019-02-12 2018-12-31 13F QUANTA SVCS COM 74762E102 41,888 -31,746 -43.11 1,260 -48.74 0.0013
2018-11-13 2018-09-30 13F QUANTA SVCS COM 74762E102 73,634 17,898 32.11 2,458 32.08 0.0022
2018-08-10 2018-06-30 13F QUANTA SVCS COM 74762E102 55,736 -11,727 -17.38 1,861 -19.72 0.0017
2018-05-11 2018-03-31 13F QUANTA SVCS COM 74762E102 67,463 20,714 44.31 2,318 26.74 0.0019
2018-02-12 2017-12-31 13F QUANTA SVCS COM 74762E102 46,749 -65,840 -58.48 1,829 -56.54 0.0015
2017-11-13 2017-09-30 13F QUANTA SVCS COM 74762E102 112,589 44,906 66.35 4,208 88.87 0.0034
2017-08-11 2017-06-30 13F QUANTA SVCS COM 74762E102 67,683 9,723 16.78 2,228 3.58 0.0020
2017-05-12 2017-03-31 13F QUANTA SVCS COM 74762E102 57,960 -58,709 -50.32 2,151 -47.10 0.0019
2017-02-10 2016-12-31 13F QUANTA SVCS COM 74762E102 116,669 66,659 133.29 4,066 190.64 0.0037
2016-11-10 2016-09-30 13F QUANTA SVCS COM 74762E102 50,010 31,010 163.21 1,399 219.41 0.0013
2016-08-12 2016-06-30 13F QUANTA SVCS COM 74762E102 19,000 -17,367 -47.75 438 -46.52 0.0004
2016-05-13 2016-03-31 13F QUANTA SVCS COM 74762E102 36,367 22,468 161.65 819 190.43 0.0009
2016-02-12 2015-12-31 13F QUANTA SVCS COM 74762E102 13,899 -751,665 -98.18 282 -98.48 0.0003
2015-11-13 2015-09-30 13F QUANTA SVCS COM 74762E102 765,564 700,904 1,083.98 18,534 893.78 0.0173
2015-08-13 2015-06-30 13F QUANTA SVCS COM 74762E102 64,660 29,516 83.99 1,865 86.13 0.0017
2015-05-14 2015-03-31 13F QUANTA SVCS COM 74762E102 35,144 15,091 75.26 1,002 75.79 0.0010
2015-02-17 2014-12-31 13F QUANTA SVCS COM 74762E102 20,053 1,762 9.63 570 -14.16 0.0005
2014-11-14 2014-09-30 13F QUANTA SVCS COM 74762E102 18,291 -13,753 -42.92 664 -40.07 0.0006
2014-08-14 2014-06-30 13F QUANTA SVCS COM 74762E102 32,044 -3,686 -10.32 1,108 -15.93 0.0011
2014-05-15 2014-03-31 13F QUANTA SVCS COM 74762E102 35,730 -25,323 -41.48 1,318 -31.60 0.0013
2014-02-14 2013-12-31 13F QUANTA SVCS COM 74762E102 61,053 -43,479 -41.59 1,927 -33.00 0.0017
2013-11-14 2013-09-30 13F QUANTA SVCS COM 74762E102 104,532 -118,541 -53.14 2,876 -51.28 0.0027
2013-08-14 2013-06-30 13F QUANTA SVCS COM 74762E102 223,073 223,073 5,903 0.0058
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2021-05-13 2021-03-31 13F QUANTA SVCS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F QUANTA SVCS COM Call 600 -78.57 43 -70.95 n/a n/a n/a
2020-11-12 2020-09-30 13F QUANTA SVCS COM Call 2,800 -86.41 148 -81.68 n/a n/a n/a
2020-08-12 2020-06-30 13F QUANTA SVCS COM Call 20,600 -42.13 808 -28.50 n/a n/a n/a
2020-05-12 2020-03-31 13F QUANTA SVCS COM Call 35,600 167.67 1,130 108.87 n/a n/a n/a
2020-02-12 2019-12-31 13F QUANTA SVCS COM Call 13,300 70.51 541 83.39 n/a n/a n/a
2019-11-08 2019-09-30 13F QUANTA SVCS COM Call 7,800 -48.00 295 -48.52 n/a n/a n/a
2019-08-12 2019-06-30 13F QUANTA SVCS COM Call 15,000 -86.15 573 -85.98 n/a n/a n/a
2019-05-13 2019-03-31 13F QUANTA SVCS COM Call 108,300 -6.56 4,087 17.14 n/a n/a n/a
2019-02-12 2018-12-31 13F QUANTA SVCS COM Call 115,900 973.15 3,489 866.48 n/a n/a n/a
2018-11-13 2018-09-30 13F QUANTA SVCS COM Call 10,800 0.00 361 0.00 n/a n/a n/a
2018-08-10 2018-06-30 13F QUANTA SVCS COM Call 10,800 -75.84 361 -76.48 n/a n/a n/a
2018-05-11 2018-03-31 13F QUANTA SVCS COM Call 44,700 -22.26 1,535 -31.75 n/a n/a n/a
2018-02-12 2017-12-31 13F QUANTA SVCS COM Call 57,500 135.66 2,249 146.60 n/a n/a n/a
2017-11-13 2017-09-30 13F QUANTA SVCS COM Call 24,400 229.73 912 273.77 n/a n/a n/a
2017-08-11 2017-06-30 13F QUANTA SVCS COM Call 7,400 -19.57 244 -28.45 n/a n/a n/a
2017-05-12 2017-03-31 13F QUANTA SVCS COM Call 9,200 -86.08 341 -85.20 n/a n/a n/a
2017-02-10 2016-12-31 13F QUANTA SVCS COM Call 66,100 33.27 2,304 65.99 n/a n/a n/a
2016-11-10 2016-09-30 13F QUANTA SVCS COM Call 49,600 72.22 1,388 108.41 n/a n/a n/a
2016-08-12 2016-06-30 13F QUANTA SVCS COM Call 28,800 -5.88 666 -3.48 n/a n/a n/a
2016-05-13 2016-03-31 13F QUANTA SVCS COM Call 30,600 -52.41 690 -47.00 n/a n/a n/a
2016-02-12 2015-12-31 13F QUANTA SVCS COM Call 64,300 -19.42 1,302 -32.61 n/a n/a n/a
2015-11-13 2015-09-30 13F QUANTA SVCS COM Call 79,800 32.12 1,932 10.97 n/a n/a n/a
2015-08-13 2015-06-30 13F QUANTA SVCS COM Call 60,400 -5.77 1,741 -4.81 n/a n/a n/a
2015-05-14 2015-03-31 13F QUANTA SVCS COM Call 64,100 37.26 1,829 37.93 n/a n/a n/a
2015-02-17 2014-12-31 13F QUANTA SVCS COM Call 46,700 -36.46 1,326 -50.28 n/a n/a n/a
2014-11-14 2014-09-30 13F QUANTA SVCS COM Call 73,500 120.06 2,667 130.91 n/a n/a n/a
2014-08-14 2014-06-30 13F QUANTA SVCS COM Call 33,400 -51.24 1,155 -54.31 n/a n/a n/a
2014-05-15 2014-03-31 13F QUANTA SVCS COM Call 68,500 -15.33 2,528 -0.98 n/a n/a n/a
2014-02-14 2013-12-31 13F QUANTA SVCS COM Call 80,900 -28.22 2,553 -17.65 n/a n/a n/a
2013-11-14 2013-09-30 13F QUANTA SVCS COM Call 112,700 109.48 3,100 117.70 n/a n/a n/a
2013-08-14 2013-06-30 13F QUANTA SVCS COM Call 53,800 1,424 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-05-12 2025-03-31 13F QUANTA SVCS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-02-12 2024-12-31 13F QUANTA SVCS COM Put 30,000 9,482 n/a n/a n/a
2021-05-13 2021-03-31 13F QUANTA SVCS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F QUANTA SVCS COM Put 2,000 -66.10 144 -53.85 n/a n/a n/a
2020-11-12 2020-09-30 13F QUANTA SVCS COM Put 5,900 -45.87 312 -27.10 n/a n/a n/a
2020-08-12 2020-06-30 13F QUANTA SVCS COM Put 10,900 -77.53 428 -72.19 n/a n/a n/a
2020-05-12 2020-03-31 13F QUANTA SVCS COM Put 48,500 781.82 1,539 587.05 n/a n/a n/a
2020-02-12 2019-12-31 13F QUANTA SVCS COM Put 5,500 10.00 224 18.52 n/a n/a n/a
2019-11-08 2019-09-30 13F QUANTA SVCS COM Put 5,000 2.04 189 1.07 n/a n/a n/a
2019-08-12 2019-06-30 13F QUANTA SVCS COM Put 4,900 444.44 187 450.00 n/a n/a n/a
2019-05-13 2019-03-31 13F QUANTA SVCS COM Put 900 -99.26 34 -99.07 n/a n/a n/a
2019-02-12 2018-12-31 13F QUANTA SVCS COM Put 121,300 397.13 3,651 348.53 n/a n/a n/a
2018-11-13 2018-09-30 13F QUANTA SVCS COM Put 24,400 63.76 814 63.45 n/a n/a n/a
2018-08-10 2018-06-30 13F QUANTA SVCS COM Put 14,900 -43.77 498 -45.27 n/a n/a n/a
2018-05-11 2018-03-31 13F QUANTA SVCS COM Put 26,500 -38.23 910 -45.77 n/a n/a n/a
2018-02-12 2017-12-31 13F QUANTA SVCS COM Put 42,900 161.59 1,678 173.74 n/a n/a n/a
2017-11-13 2017-09-30 13F QUANTA SVCS COM Put 16,400 -8.89 613 3.37 n/a n/a n/a
2017-08-11 2017-06-30 13F QUANTA SVCS COM Put 18,000 800.00 593 701.35 n/a n/a n/a
2017-05-12 2017-03-31 13F QUANTA SVCS COM Put 2,000 -94.59 74 -94.26 n/a n/a n/a
2017-02-10 2016-12-31 13F QUANTA SVCS COM Put 37,000 148.32 1,289 209.11 n/a n/a n/a
2016-11-10 2016-09-30 13F QUANTA SVCS COM Put 14,900 -23.20 417 -7.13 n/a n/a n/a
2016-08-12 2016-06-30 13F QUANTA SVCS COM Put 19,400 -56.01 449 -54.87 n/a n/a n/a
2016-05-13 2016-03-31 13F QUANTA SVCS COM Put 44,100 -38.66 995 -31.66 n/a n/a n/a
2016-02-12 2015-12-31 13F QUANTA SVCS COM Put 71,900 66.05 1,456 38.93 n/a n/a n/a
2015-11-13 2015-09-30 13F QUANTA SVCS COM Put 43,300 -38.05 1,048 -47.99 n/a n/a n/a
2015-08-13 2015-06-30 13F QUANTA SVCS COM Put 69,900 25.72 2,015 27.05 n/a n/a n/a
2015-05-14 2015-03-31 13F QUANTA SVCS COM Put 55,600 30.82 1,586 31.40 n/a n/a n/a
2015-02-17 2014-12-31 13F QUANTA SVCS COM Put 42,500 -29.28 1,207 -44.66 n/a n/a n/a
2014-11-14 2014-09-30 13F QUANTA SVCS COM Put 60,100 116.19 2,181 126.95 n/a n/a n/a
2014-08-14 2014-06-30 13F QUANTA SVCS COM Put 27,800 -17.75 961 -22.94 n/a n/a n/a
2014-05-15 2014-03-31 13F QUANTA SVCS COM Put 33,800 -21.21 1,247 -7.90 n/a n/a n/a
2014-02-14 2013-12-31 13F QUANTA SVCS COM Put 42,900 -52.75 1,354 -45.80 n/a n/a n/a
2013-11-14 2013-09-30 13F QUANTA SVCS COM Put 90,800 -27.59 2,498 -24.71 n/a n/a n/a
2013-08-14 2013-06-30 13F QUANTA SVCS COM Put 125,400 3,318 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.