Pinnacle West Capital Corporation (PNW) Ownership
PNW ownership summary
as of October 18, 2026- Institutions
- 110.5% of shares outstanding
- Insiders
- 0.15% of shares outstanding
- Shares outstanding
- 121.2M
- Float
- 120.5M shares available to trade
- Short interest
- 12.96% 12.1M shares short
- Days to cover
- 10.79 short interest up 24.0% vs prior month
- Institutions 110.48%
- Insiders 0.15%
PNW top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Capital Research Global Investors | 13.61% | 16.5M | $1.71B | +57,253 (+0.3%) | June 30, 2026 |
| 2 | BlackRock Inc | 9.72% | 11.8M | $1.22B | +14,316 (+0.1%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 6.52% | 7.9M | $816.8M | +95,986 (+1.2%) | June 30, 2026 |
| 4 | State Street Corp | 5.79% | 7.0M | $725.7M | +105,654 (+1.5%) | June 30, 2026 |
| 5 | Barrow Hanley Mewhinney & Strauss LLC | 5.43% | 6.6M | $680.1M | −424,936 (−6.1%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 4.94% | 6.0M | $619.2M | −1,808 (−0.0%) | June 30, 2026 |
| 7 | ATLAS Infrastructure Partners (UK) Ltd | 4.40% | 5.3M | $551.5M | +257,813 (+5.1%) | June 30, 2026 |
| 8 | Amvescap Plc. | 3.44% | 4.2M | $431.6M | −76,833 (−1.8%) | June 30, 2026 |
| 9 | Soroban Capital Partners LP | 3.20% | 3.9M | $400.8M | +20,162 (+0.5%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.66% | 3.2M | $333.4M | +89,508 (+2.9%) | June 30, 2026 |
| 11 | Massachusetts Financial Services Company | 2.35% | 2.9M | $295.1M | +9,298 (+0.3%) | June 30, 2026 |
| 12 | Two Sigma Investments LLC | 2.08% | 2.5M | $260.3M | +328,805 (+15.0%) | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | 1.58% | 1.9M | $198.0M | −146,953 (−7.1%) | June 30, 2026 |
| 14 | Barclays PLC | 1.45% | 1.8M | $182.0M | +1.0M (+136.5%) | June 30, 2026 |
| 15 | The Goldman Sachs Group Inc | 1.32% | 1.6M | $165.7M | +34,487 (+2.2%) | June 30, 2026 |
| 16 | Wellington Management Company LLP | 1.20% | 1.5M | $150.7M | +733,069 (+101.3%) | June 30, 2026 |
| 17 | American Century Companies Inc | 1.19% | 1.4M | $149.4M | +1.3M (+877.9%) | June 30, 2026 |
| 18 | Pictet Asset Manangement SA | 1.16% | 1.4M | $145.9M | −6,849 (−0.5%) | June 30, 2026 |
| 19 | Dimensional Fund Advisors, Inc. | 1.13% | 1.4M | $142.0M | +26,921 (+2.0%) | June 30, 2026 |
| 20 | Nuveen, LLC | 1.11% | 1.3M | $138.9M | +359,428 (+36.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 4.4M shares and 5 cut 657K.
PNW top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | American Funds Cptl Wld Gr&Inc A | 4.24% | 5.1M | $531.5M | — | September 30, 2026 |
| 2 | American Funds Capital Inc Bldr A | 3.64% | 4.4M | $456.3M | — | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 3.8M | $397.6M | −13,138 (−0.3%) | August 31, 2026 |
| 4 | Vanguard 500 Index Investor | 2.63% | 3.2M | $329.3M | −36,804 (−1.1%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.25% | 2.7M | $282.2M | −58,820 (−2.1%) | September 30, 2026 |
| 6 | American Funds American Mutual A | 2.03% | 2.5M | $254.1M | — | September 30, 2026 |
| 7 | iShares Select Dividend ETF | 1.88% | 2.3M | $235.7M | −782 (−0.0%) | September 30, 2026 |
| 8 | American Funds Invmt Co of Amer A | 1.85% | 2.2M | $231.7M | — | September 30, 2026 |
| 9 | State Street®UtilSelSectSPDR®ETF | 1.72% | 2.1M | $215.4M | +21,423 (+1.0%) | September 30, 2026 |
| 10 | Invesco S&P 500® Equal Weight ETF | 1.66% | 2.0M | $208.2M | −4,180 (−0.2%) | September 30, 2026 |
| 11 | Vanguard MStar Small Cap Value Index | 1.46% | 1.8M | $183.6M | +4,591 (+0.3%) | September 30, 2026 |
| 12 | iShares Core S&P 500 ETF | 1.33% | 1.6M | $167.1M | −2,590 (−0.2%) | September 30, 2026 |
| 13 | Fidelity 500 Index | 1.30% | 1.6M | $162.7M | +6,063 (+0.4%) | August 31, 2026 |
| 14 | State Street® SPDR® S&P 500® ETF | 1.23% | 1.5M | $154.3M | — | September 30, 2026 |
| 15 | MFS Mid Cap Value A | 1.11% | 1.3M | $139.3M | −15,801 (−1.2%) | August 31, 2026 |
| 16 | Pictet Glbl Sel Fd Glbl Utilities Eq P | 1.10% | 1.3M | $137.5M | −16,660 (−1.2%) | May 31, 2026 |
| 17 | ATLAS Global Infrastructure USD Unhedged | 0.96% | 1.2M | $119.8M | −6,435 (−0.6%) | June 30, 2026 |
| 18 | American Funds Global Balanced R-6 | 0.88% | 1.1M | $110.9M | — | September 30, 2026 |
| 19 | Franklin Utilities A1 | 0.83% | 1.0M | $103.4M | — | September 30, 2026 |
| 20 | Bridge Builder Large Cap Value | 0.81% | 976K | $100.9M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PNW insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-11 | Jacob Tetlow | Sell | $92.37 | 6,496 | $600,036 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PNW shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PNW
Institutional investors own 110.5% of Pinnacle West's shares and insiders 0.15%. The largest holder is Capital Research Global Investors with 13.61% of the shares (16.5M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 12.96% of the float, or 10.79 days of average trading volume. The share count rose 9.6% since 2014.
Related: PNW analyst forecast, PNW key metrics, PNW dividend history. See the PNW stock overview for the latest quote and news.
PNW ownership FAQ
Who owns the most Pinnacle West stock?
The largest shareholders of Pinnacle West are Capital Research Global Investors (13.61%), BlackRock Inc (9.72%), Vanguard Capital Management, LLC (6.52%), State Street Corp (5.79%), Barrow Hanley Mewhinney & Strauss LLC (5.43%).
What percentage of Pinnacle West is owned by institutions?
Institutions hold 110.5% of Pinnacle West's shares outstanding; insiders hold 0.15%.
Which funds own Pinnacle West?
The largest fund holders of Pinnacle West are American Funds Cptl Wld Gr&Inc A (4.24%), American Funds Capital Inc Bldr A (3.64%), Vanguard MStar Total Stk Mkt Idx Invest (3.17%), Vanguard 500 Index Investor (2.63%), Vanguard Small Cap Index (2.25%).
What is Pinnacle West's short interest?
12.1M shares of Pinnacle West were sold short, 12.96% of the float; at the average daily volume it would take 10.79 days to cover.
Are insiders buying or selling Pinnacle West?
Of the latest 1 reported insider transactions in Pinnacle West (since August 11, 2025), 0 were purchases and 1 were sales.
How many shares of Pinnacle West are outstanding?
Pinnacle West has 121.2M shares outstanding, of which 120.5M are in the public float.
Utilities - Regulated Electric: ownership
- KEPKorea Electric Power
- EDNEmpresa Distribuidora y Comercializadora Norte Sociedad Anónima
- CEPUCentral Puerto
- CIGCompanhia Energética de Minas Gerais
- CIG.CEnergy of Minas Gerais Co DRC
- DUKDuke Energy
- SOSouthern Company
- SOMNSouthern
- NEENextEra Energy
- ELPCCompanhia Paranaense de Energia - COPEL
- PCGPG&E
- EXCExelon