Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
429 institutional managers reported holding W for the quarter ended Mar 31, 2026. Together they hold about 92% of shares outstanding; the top 10 hold 50%. 88 opened new positions; 132 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 16.28M | 12.43% | $1.23B | added +1.8% | 2014 Q4 |
| Capital Group (American Funds) | 13.79M | 10.53% | $1.04B | added +2.5% | 2019 Q4 |
| Vanguard Group | 9.89M | 7.55% | $744.9M | added +2.5% | 2014 Q4 |
| BlackRock | 5.74M | 4.38% | $432.0M | added +8.3% | 2014 Q4 |
| Renaissance Technologies | 4.97M | 3.80% | $374.3M | trimmed -8% | 2022 Q1 |
| Janus Henderson | 3.87M | 2.95% | $291.1M | added +8.3% | 2017 Q3 |
| Baillie Gifford | 2.86M | 2.19% | $215.5M | trimmed -28.5% | 2015 Q3 |
| Great Hill Partners, L.p. (focused) | 2.79M | 2.13% | $210.0M | unchanged | 2022 Q2 |
| Spruce House Investment Management LLC (focused) | 2.60M | 1.99% | $195.7M | trimmed -11.1% | 2017 Q1 |
| Two Sigma | 2.50M | 1.91% | $188.5M | added +23% | 2022 Q1 |
| Wellington Management | 2.46M | 1.88% | $185.0M | added +115.4% | 2014 Q4 |
| Prescott General Partners LLC (focused) | 2.32M | 1.77% | $174.8M | trimmed -20.5% | 2016 Q3 |
| UBS | 2.22M | 1.70% | $167.1M | trimmed -0.8% | 2014 Q4 |
| Geode Capital | 2.21M | 1.69% | $166.7M | added +16.3% | 2014 Q4 |
| Arrowstreet Capital | 1.97M | 1.50% | $148.3M | trimmed -30.3% | 2024 Q4 |
| AQR Capital | 1.85M | 1.42% | $139.5M | trimmed -2.5% | 2022 Q4 |
| State Street | 1.74M | 1.33% | $130.8M | trimmed -24.1% | 2014 Q4 |
| Balyasny Asset Management | 1.59M | 1.22% | $119.8M | trimmed -1.3% | 2021 Q4 |
| Atreides Management, LP | 1.43M | 1.09% | $107.7M | added +64.3% | 2021 Q1 |
| Charles Schwab Investment Management | 1.16M | 0.88% | $87.0M | added +1.8% | 2014 Q4 |
| Hook Mill Capital Partners, LP (focused) | 1.04M | 0.79% | $78.3M | added +20.5% | 2023 Q3 |
| Dimensional Fund Advisors | 1.04M | 0.79% | $78.0M | added +46.4% | 2017 Q2 |
| Morgan Stanley | 977.4k | 0.75% | $73.6M | added +4.3% | 2014 Q4 |
| Clearbridge Investments, LLC | 961.1k | 0.73% | $72.4M | opened | 2026 Q1 |
| BNP Paribas Financial Markets | 930.7k | 0.71% | $70.1M | trimmed -8.5% | 2015 Q1 |
| D. E. Shaw | 929.2k | 0.71% | $70.0M | trimmed -54.9% | 2016 Q3 |
| Artemis Investment Management LLP | 877.1k | 0.67% | $66.0M | added +83.5% | 2025 Q4 |
| Qube Research & Technologies LTD | 771.4k | 0.59% | $58.1M | added +33.2% | 2025 Q4 |
| American Century Companies INC | 768.5k | 0.59% | $57.9M | added +11.5% | 2025 Q3 |
| Allen Investment Management, LLC | 749.3k | 0.57% | $56.4M | unchanged | 2016 Q2 |
| Goldman Sachs | 721.1k | 0.55% | $54.3M | added +8.7% | 2015 Q3 |
| Bank OF Nova Scotia | 701.0k | 0.54% | $52.8M | opened | 2025 Q3 |
| Squarepoint Ops LLC | 687.9k | 0.53% | $51.8M | opened | 2026 Q1 |
| Jacobs Levy Equity Management, INC | 681.5k | 0.52% | $51.3M | trimmed -1.8% | 2024 Q3 |
| Southpoint Capital Advisors LP (focused) | 664.3k | 0.51% | $50.0M | trimmed -55.7% | 2024 Q3 |
| Citadel Advisors | 659.1k | 0.50% | $49.6M | trimmed -20.4% | 2014 Q4 |
| Voloridge Investment Management | 657.1k | 0.50% | $49.5M | trimmed -51.7% | 2025 Q3 |
| Bank OF America CORP /DE/ | 639.8k | 0.49% | $48.2M | added +10% | 2014 Q4 |
| Goodnow Investment Group, LLC (focused) | 638.6k | 0.49% | $48.1M | added +0.9% | 2016 Q4 |
| Assenagon Asset Management S.a. | 575.8k | 0.44% | $43.3M | added +23901.7% | 2024 Q4 |
| Schonfeld Strategic Advisors | 549.6k | 0.42% | $41.4M | added +4872.5% | 2025 Q1 |
| Bank OF Montreal /CAN/ | 531.1k | 0.41% | $40.0M | trimmed -5.1% | 2015 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 529.8k | 0.40% | $39.9M | added +38% | 2024 Q4 |
| Northern Trust | 516.3k | 0.39% | $38.9M | added +4.7% | 2014 Q4 |
| Citigroup INC | 493.6k | 0.38% | $37.2M | added +298.9% | 2014 Q4 |
| Federated Hermes, INC. | 486.1k | 0.37% | $36.6M | trimmed -25.3% | 2025 Q3 |
| Alyeska Investment Group | 482.3k | 0.37% | $36.3M | opened | 2026 Q1 |
| Jane Street | 476.9k | 0.36% | $35.9M | added +7.8% | 2016 Q4 |
| Anomaly Capital Management, LP (focused) | 467.2k | 0.36% | $35.2M | opened | 2026 Q1 |
| Millennium Management | 466.4k | 0.36% | $35.1M | added +104% | 2017 Q2 |
Largest 50 of 429 shown; the full ranked, searchable register is at boothcheck.com/holders/W. 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.