Pinnacle West Capital Corporation
US ˙ NYSE ˙ US7234841010

SecurityPNW / Pinnacle West Capital Corporation
InstitutionBessemer Group Inc
Latest Disclosed Ownership4,934 shares
Latest Disclosed Value $ 496
Bessemer Group Inc reports 26.06% increase in ownership of PNW / Pinnacle West Capital Corporation

On May 6, 2026 - Bessemer Group Inc filed a 13F-HR form disclosing ownership of 4,934 shares of Pinnacle West Capital Corporation (US:PNW) valued at $497,100 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 3,914 shares of Pinnacle West Capital Corporation. The current value of the position is $508,498 USD.

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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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)
2026-05-06 2026-03-31 13F PINNACLE WEST CAPITAL SC 723484101 4,934 1,020 26.06 0 0.0008
2026-02-05 2025-12-31 13F PINNACLE WEST CAPITAL SC 723484101 3,914 -1,447 -26.99 0 0.0005
2025-11-05 2025-09-30 13F PINNACLE WEST CAPITAL SC 723484101 5,361 30 0.56 0 0.0007
2025-08-01 2025-06-30 13F PINNACLE WEST CAPITAL SC 723484101 5,331 -7,635 -58.88 0 -100.00 0.0008
2025-04-23 2025-03-31 13F PINNACLE WEST CAPITAL SC 723484101 12,966 -59,112 -82.01 1 -83.33 0.0022
2025-02-13 2024-12-31 13F PINNACLE WEST CAPITAL SC 723484101 72,078 1,221 1.72 6 0.00 0.0100
2024-11-12 2024-09-30 13F PINNACLE WEST CAPITAL SC 723484101 70,857 34,992 97.57 6 200.00 0.0103
2024-08-13 2024-06-30 13F PINNACLE WEST CAPITAL SC 723484101 35,865 135 0.38 3 0.00 0.0048
2024-08-13 2024-03-31 13F/A-1 PINNACLE WEST CAPITAL SC 723484101 35,730 35,417 11,315.34 3 0.0048
2024-05-13 2024-03-31 13F PINNACLE WEST CAPITAL SC 723484101 35,730 35,417 3 0.0048
2024-02-09 2023-12-31 13F PINNACLE WEST CAPITAL SC 723484101 313 -739 -70.25 0 0.0000
2023-11-13 2023-09-30 13F PINNACLE WEST CAPITAL SC 723484101 1,052 -57 -5.14 0 0.0002
2023-08-10 2023-06-30 13F PINNACLE WEST CAPITAL SC 723484101 1,109 383 52.75 0 0.0002
2023-05-10 2023-03-31 13F PINNACLE WEST CAPITAL SC 723484101 726 257 54.80 0 0.0001
2023-02-13 2022-12-31 13F PINNACLE WEST CAPITAL SC 723484101 469 -203 -30.21 0 -100.00 0.0001
2022-11-09 2022-09-30 13F PINNACLE WEST CAPITAL SC 723484101 672 497 284.00 43 230.77 0.0001
2022-08-10 2022-06-30 13F PINNACLE WEST CAPITAL SC 723484101 175 -1 -0.57 13 -7.14 0.0000
2022-05-12 2022-03-31 13F PINNACLE WEST CAPITAL SC 723484101 176 4 2.33 14 7.69 0.0000
2022-01-27 2021-12-31 13F PINNACLE WEST CAPITAL SC 723484101 172 -760 -81.55 13 -80.88 0.0000
2021-11-12 2021-09-30 13F PINNACLE WEST CAPITAL SC 723484101 932 -877,695 -99.89 68 -99.91 0.0001
2021-08-06 2021-06-30 13F PINNACLE WEST CAPITAL SC 723484101 878,627 33,083 3.91 72,021 4.70 0.1563
2021-05-13 2021-03-31 13F PINNACLE WEST CAPITAL SC 723484101 845,544 54,729 6.92 68,785 8.79 0.1648
2021-02-09 2020-12-31 13F PINNACLE WEST CAPITAL SC 723484101 790,815 550 0.07 63,225 7.32 0.1671
2020-11-12 2020-09-30 13F PINNACLE WEST CAPITAL SC 723484101 790,265 103,791 15.12 58,915 17.10 0.1741
2020-08-05 2020-06-30 13F PINNACLE WEST CAPITAL SC 723484101 686,474 2,594 0.38 50,312 -2.93 0.1588
2020-04-30 2020-03-31 13F PINNACLE WEST CAPITAL SC 723484101 683,880 2,704 0.40 51,831 -15.39 0.2088
2020-02-04 2019-12-31 13F PINNACLE WEST CAPITAL SC 723484101 681,176 -25,620 -3.62 61,258 -10.71 0.1983
2019-11-07 2019-09-30 13F PINNACLE WEST CAPITAL SC 723484101 706,796 -692 -0.10 68,609 3.07 0.2449
2019-07-19 2019-06-30 13F PINNACLE WEST CAPITAL SC 723484101 707,488 -450 -0.06 66,567 -1.62 0.2243
2019-05-13 2019-03-31 13F PINNACLE WEST CAPITAL SC 723484101 707,938 18,777 2.72 67,665 15.24 0.2598
2019-05-21 2018-12-31 13F/A-1 PINNACLE WEST CAPITAL SC 723484101 689,161 689,161 58,717 0.2558
2019-02-12 2018-12-31 13F PINNACLE WEST CAPITAL SC 723484101 689,161 689,161 58,717 0.2556
2018-11-06 2018-09-30 13F PINNACLE WEST CAPITAL SC 723484101 0 -69,687 -100.00 0 -100.00
2018-07-25 2018-06-30 13F PINNACLE WEST CAPITAL SC 723484101 69,687 -9 -0.01 5,614 0.95 0.0218
2018-05-10 2018-03-31 13F PINNACLE WEST CAPITAL SC 723484101 69,696 69,634 112,312.90 5,561 111,120.00 0.0216
2018-01-30 2017-12-31 13F PINNACLE WEST CAPITAL SC 723484101 62 -5 -7.46 5 -16.67 0.0000
2017-11-03 2017-09-30 13F PINNACLE WEST CAPITAL SC 723484101 67 67 6 0.0000
2017-05-12 2017-03-31 13F PINNACLE WEST CAPITAL SC 723484101 0 -53,288 -100.00 0 -100.00
2017-02-07 2016-12-31 13F PINNACLE WEST CAPITAL SC 723484101 53,288 0 0.00 4,158 2.69 0.0192
2016-11-10 2016-09-30 13F PINNACLE WEST CAPITAL SC 723484101 53,288 -11,987 -18.36 4,049 -23.47 0.0204
2016-08-11 2016-06-30 13F PINNACLE WEST CAPITAL SC 723484101 65,275 0 0.00 5,291 7.98 0.0290
2016-05-11 2016-03-31 13F PINNACLE WEST CAPITAL SC 723484101 65,275 65,105 38,297.06 4,900 44,445.45 0.0277
2016-02-12 2015-12-31 13F PINNACLE WEST CAPITAL SC 723484101 170 -93 -35.36 11 -35.29 0.0001
2015-11-16 2015-09-30 13F PINNACLE WEST CAPITAL SC 723484101 263 93 54.71 17 70.00 0.0001
2015-08-14 2015-06-30 13F PINNACLE WEST CAPITAL SC 723484101 170 78 84.78 10 66.67 0.0001
2015-06-18 2015-03-31 13F/A-1 PINNACLE WEST CAPITAL SC 723484101 92 -253 -73.33 6 -75.00 0.0000
2015-05-14 2015-03-31 13F PINNACLE WEST CAPITAL SC 723484101 92 6
2015-02-17 2014-12-31 13F PINNACLE WEST CAPITAL SC 723484101 345 345 24 0.0001
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.