Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
677 institutional managers reported holding PNW for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 62%. 87 opened new positions; 57 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Capital Research Global Investors | 16.44M | 13.28% | $1.66B | added +22.1% | 2023 Q2 |
| Vanguard Group | 14.91M | 12.05% | $1.50B | added +1.6% | ≤2013 |
| BlackRock | 11.77M | 9.51% | $1.19B | unchanged | ≤2013 |
| Barrow Hanley Mewhinney & Strauss LLC | 7.00M | 5.66% | $705.0M | added +4.7% | 2021 Q4 |
| State Street | 6.91M | 5.58% | $696.0M | unchanged | ≤2013 |
| Atlas Infrastructure Partners (UK) LTD. (focused) | 5.07M | 4.10% | $511.0M | added +13.7% | 2024 Q1 |
| Invesco | 4.25M | 3.43% | $428.0M | unchanged | ≤2013 |
| Soroban Capital Partners LP (focused) | 3.85M | 3.11% | $388.2M | added +34% | 2025 Q4 |
| Geode Capital | 3.13M | 2.53% | $315.6M | added +1.2% | ≤2013 |
| MFS Investment Management | 2.84M | 2.30% | $286.4M | trimmed -1.9% | ≤2013 |
| Two Sigma | 2.19M | 1.77% | $220.4M | added +67.1% | 2022 Q4 |
| Morgan Stanley | 2.06M | 1.67% | $207.6M | added +9.2% | ≤2013 |
| Goldman Sachs | 1.57M | 1.27% | $157.9M | added +134.3% | ≤2013 |
| Pictet Asset Management Holding SA | 1.42M | 1.15% | $142.7M | trimmed -6.5% | ≤2013 |
| Dimensional Fund Advisors | 1.35M | 1.09% | $135.5M | added +2.1% | ≤2013 |
| UBS | 1.25M | 1.01% | $125.6M | added +77.6% | ≤2013 |
| Squarepoint Ops LLC | 1.23M | 0.99% | $123.7M | added +11% | 2015 Q3 |
| Charles Schwab Investment Management | 1.15M | 0.93% | $115.5M | added +2.6% | ≤2013 |
| BNY Mellon | 1.09M | 0.88% | $109.8M | added +12.6% | ≤2013 |
| Reaves W H & CO INC | 1.08M | 0.87% | $108.6M | trimmed -37.3% | 2023 Q2 |
| Franklin Resources | 1.08M | 0.87% | $108.4M | unchanged | ≤2013 |
| Cincinnati Insurance CO | 1.05M | 0.85% | $105.8M | unchanged | 2020 Q2 |
| Assenagon Asset Management S.a. | 996.2k | 0.81% | $100.3M | added +8.2% | 2020 Q3 |
| Nuveen | 983.7k | 0.80% | $99.1M | added +19.4% | 2019 Q2 |
| First Trust Advisors LP | 982.6k | 0.79% | $98.9M | trimmed -28.3% | ≤2013 |
| Northern Trust | 954.4k | 0.77% | $96.1M | added +3.6% | ≤2013 |
| Empower Advisory Group, LLC | 887.6k | 0.72% | $89.4M | added +2.9% | 2023 Q1 |
| Bank OF America CORP /DE/ | 847.9k | 0.69% | $85.4M | unchanged | ≤2013 |
| Balyasny Asset Management | 808.9k | 0.65% | $81.5M | added +5.5% | 2025 Q4 |
| Barclays PLC | 744.3k | 0.60% | $75.0M | trimmed -3.1% | ≤2013 |
| Wellington Management | 723.9k | 0.58% | $72.9M | added +11.9% | 2025 Q1 |
| Hsbc Holdings PLC | 650.9k | 0.53% | $65.6M | added +0.8% | ≤2013 |
| Duff & Phelps Investment Management CO | 624.9k | 0.51% | $62.9M | unchanged | 2016 Q1 |
| Perpetual LTD | 588.3k | 0.47% | $59.2M | added +17.9% | 2023 Q3 |
| Renaissance Technologies | 576.1k | 0.47% | $58.0M | added +39.4% | 2013 Q4 |
| Legal & General Group PLC | 553.4k | 0.45% | $55.7M | trimmed -8.2% | ≤2013 |
| Zimmer Partners, LP | 500.1k | 0.40% | $50.4M | added +266.5% | 2024 Q1 |
| Gotham Asset Management | 499.1k | 0.40% | $50.3M | trimmed -1% | 2021 Q4 |
| Epoch Investment Partners, INC. | 498.2k | 0.40% | $50.2M | trimmed -1.4% | 2023 Q1 |
| Newport Trust Company, LLC | 459.2k | 0.37% | $46.2M | trimmed -2.5% | 2021 Q2 |
| Millennium Management | 437.7k | 0.35% | $44.1M | added +85.8% | ≤2013 |
| AQR Capital | 423.2k | 0.34% | $42.6M | added +12.1% | ≤2013 |
| Deutsche Bank AG\ | 396.7k | 0.32% | $39.9M | trimmed -8.2% | 2013 Q3 |
| Quantinno Capital Management LP | 394.9k | 0.32% | $39.8M | added +38% | 2022 Q3 |
| BNP Paribas Financial Markets | 356.6k | 0.29% | $35.9M | added +58.9% | ≤2013 |
| Adage Capital Partners GP, L.l.c. | 346.8k | 0.28% | $34.9M | added +110.2% | ≤2013 |
| Treasurer of the State of North Carolina | 346.1k | 0.28% | $34.8M | added +9.4% | 2018 Q1 |
| Victory Capital Management INC | 344.5k | 0.28% | $34.7M | trimmed -3.4% | 2014 Q4 |
| GAMCO (Gabelli) | 333.7k | 0.27% | $33.6M | unchanged | ≤2013 |
| Yaupon Capital Management LP | 305.0k | 0.25% | $30.7M | trimmed -40.4% | 2024 Q1 |
Largest 50 of 677 shown; the full ranked, searchable register is at boothcheck.com/holders/PNW. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.