Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,274 institutional managers reported holding VST for the quarter ended Mar 31, 2026. Together they hold about 79% of shares outstanding; the top 10 hold 41%. 172 opened new positions; 212 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 41.61M | 12.17% | $6.25B | unchanged | 2017 Q2 |
| BlackRock | 28.48M | 8.33% | $4.28B | trimmed -6.1% | 2017 Q2 |
| State Street | 16.77M | 4.91% | $2.52B | added +1.8% | 2017 Q2 |
| FMR (Fidelity) | 15.81M | 4.62% | $2.37B | trimmed -7% | 2017 Q2 |
| Geode Capital | 9.03M | 2.64% | $1.36B | added +0.8% | 2017 Q2 |
| Morgan Stanley | 8.26M | 2.42% | $1.24B | added +4.3% | 2017 Q2 |
| Lone Pine Capital (focused) | 6.19M | 1.81% | $929.5M | added +18.7% | 2024 Q1 |
| UBS | 6.17M | 1.80% | $926.5M | added +46.2% | 2017 Q2 |
| MFS Investment Management | 3.95M | 1.16% | $593.6M | trimmed -39.5% | 2017 Q2 |
| Dimensional Fund Advisors | 3.44M | 1.00% | $516.3M | added +1% | 2017 Q3 |
| Goldman Sachs | 3.34M | 0.98% | $501.6M | added +13.3% | 2017 Q2 |
| Jane Street | 3.25M | 0.95% | $488.7M | added +18.9% | 2018 Q2 |
| CPP Investment Board | 3.18M | 0.93% | $478.2M | added +154.8% | 2018 Q2 |
| Invesco | 3.15M | 0.92% | $473.8M | trimmed -12.3% | 2017 Q2 |
| Northern Trust | 3.15M | 0.92% | $472.9M | added +3.3% | 2017 Q2 |
| Bank OF America CORP /DE/ | 2.98M | 0.87% | $448.2M | trimmed -10.2% | 2017 Q2 |
| T. Rowe Price | 2.64M | 0.77% | $397.1M | added +20.3% | 2017 Q2 |
| Franklin Resources | 2.59M | 0.76% | $389.3M | trimmed -4.5% | 2017 Q2 |
| Alkeon Capital Management LLC | 2.55M | 0.74% | $382.5M | added +30.8% | 2024 Q1 |
| Capital Group (American Funds) | 2.53M | 0.74% | $380.7M | trimmed -28.8% | 2025 Q4 |
| Clearbridge Investments, LLC | 2.47M | 0.72% | $371.6M | added +47.1% | 2018 Q2 |
| BNY Mellon | 2.39M | 0.70% | $358.4M | added +1% | 2017 Q2 |
| Nuveen | 2.16M | 0.63% | $323.9M | trimmed -19.3% | 2019 Q2 |
| Reaves W H & CO INC | 2.09M | 0.61% | $314.6M | trimmed -4.7% | 2022 Q2 |
| Charles Schwab Investment Management | 2.08M | 0.61% | $312.3M | added +2.5% | 2017 Q2 |
| Appaloosa (focused) | 2.02M | 0.59% | $303.8M | added +114% | 2024 Q3 |
| Neuberger Berman Group LLC | 1.96M | 0.57% | $294.5M | trimmed -5.6% | 2017 Q2 |
| Legal & General Group PLC | 1.74M | 0.51% | $260.7M | trimmed -1.9% | 2017 Q2 |
| Janus Henderson | 1.69M | 0.49% | $254.1M | trimmed -42.8% | 2017 Q4 |
| Jennison Associates LLC | 1.52M | 0.45% | $228.7M | added +12.5% | 2022 Q3 |
| Rubric Capital Management LP | 1.50M | 0.44% | $225.3M | trimmed -25% | 2023 Q1 |
| Raymond James Financial INC | 1.46M | 0.43% | $218.6M | added +5.8% | 2017 Q2 |
| Royal Bank OF Canada | 1.44M | 0.42% | $216.9M | added +8.8% | 2017 Q2 |
| Pictet Asset Management Holding SA | 1.39M | 0.41% | $208.6M | added +9.6% | 2017 Q4 |
| Forest Avenue Capital Management LP (focused) | 1.30M | 0.38% | $194.9M | added +15.7% | 2024 Q1 |
| Amundi | 1.16M | 0.34% | $173.7M | trimmed -40.7% | 2017 Q4 |
| Merewether Investment Management, LP | 1.12M | 0.33% | $167.6M | added +180.8% | 2022 Q2 |
| Voya Investment Management LLC | 1.10M | 0.32% | $165.8M | added +100.2% | 2017 Q2 |
| Wells Fargo & COMPANY/MN | 1.09M | 0.32% | $163.7M | added +5% | 2017 Q2 |
| Barclays PLC | 1.09M | 0.32% | $163.4M | trimmed -3.2% | 2017 Q2 |
| Renaissance Technologies | 1.06M | 0.31% | $159.5M | added +1.9% | 2023 Q1 |
| American Century Companies INC | 1.06M | 0.31% | $159.1M | trimmed -35.9% | 2019 Q1 |
| Swiss National Bank | 994.3k | 0.29% | $149.4M | added +7.1% | 2017 Q4 |
| Wellington Management | 928.0k | 0.27% | $139.4M | trimmed -31.2% | 2017 Q2 |
| Point72 | 918.7k | 0.27% | $138.0M | trimmed -12% | 2019 Q1 |
| Mitsubishi UFJ Asset Management CO., LTD. | 906.3k | 0.27% | $136.1M | added +5.1% | 2017 Q4 |
| Federated Hermes, INC. | 852.3k | 0.25% | $128.0M | trimmed -11.3% | 2018 Q1 |
| Caisse de depot et placement du Quebec | 816.2k | 0.24% | $122.6M | added +28.2% | 2023 Q3 |
| Thrivent Financial for Lutherans | 806.7k | 0.24% | $121.2M | added +40.1% | 2023 Q3 |
| Sumitomo Mitsui Trust Group, INC. | 804.3k | 0.23% | $120.8M | added +1% | 2017 Q4 |
Largest 50 of 1,274 shown; the full ranked, searchable register is at boothcheck.com/holders/VST. 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.