Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
279 institutional managers reported holding WIT for the quarter ended Mar 31, 2026. Together they hold about 3% of shares outstanding; the top 10 hold 2%. 34 opened new positions; 67 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 58.45M | 0.56% | $124.2M | unchanged | ≤2013 |
| Morgan Stanley | 46.49M | 0.45% | $98.8M | trimmed -4.2% | ≤2013 |
| State Street | 22.81M | 0.22% | $48.5M | trimmed -4.4% | ≤2013 |
| Vanguard Group | 22.60M | 0.22% | $48.0M | trimmed -5.5% | ≤2013 |
| First Trust Advisors LP | 18.56M | 0.18% | $39.4M | added +20.9% | ≤2013 |
| Defiance ETFs, LLC | 14.56M | 0.14% | $30.9M | added +5.3% | 2025 Q4 |
| Penserra Capital Management LLC | 14.56M | 0.14% | $30.9M | added +5.3% | 2020 Q4 |
| Avantyr Capital Partners, LP (focused) | 13.89M | 0.13% | $29.5M | opened | 2026 Q1 |
| Acadian Asset Management | 10.14M | 0.10% | $21.5M | trimmed -35.7% | ≤2013 |
| Creative Planning | 7.05M | 0.07% | $15.0M | added +16.3% | 2020 Q4 |
| Marshall Wace | 6.66M | 0.06% | $14.1M | added +634.3% | 2024 Q2 |
| Robeco Institutional Asset Management B.v. | 5.65M | 0.05% | $12.0M | added +15.9% | 2022 Q4 |
| BNP Paribas Financial Markets | 5.58M | 0.05% | $11.9M | trimmed -49.3% | ≤2013 |
| UBS | 5.37M | 0.05% | $11.4M | trimmed -60.7% | ≤2013 |
| Wellington Management | 5.34M | 0.05% | $11.3M | added +23.1% | 2013 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 5.00M | 0.05% | $10.6M | trimmed -3.3% | 2017 Q4 |
| Northern Trust | 4.45M | 0.04% | $9.4M | trimmed -4% | ≤2013 |
| American Century Companies INC | 4.02M | 0.04% | $8.5M | added +35.3% | 2019 Q3 |
| Promethos Capital, LLC (focused) | 3.43M | 0.03% | $7.3M | unchanged | 2023 Q4 |
| Goldman Sachs | 3.12M | 0.03% | $6.6M | trimmed -51.4% | ≤2013 |
| AQR Capital | 2.94M | 0.03% | $6.2M | added +36.3% | ≤2013 |
| Schroder Investment Management Group | 2.67M | 0.03% | $5.7M | trimmed -37.4% | 2016 Q3 |
| Rhumbline Advisers | 2.43M | 0.02% | $5.2M | added +3.1% | 2023 Q2 |
| Dimensional Fund Advisors | 2.31M | 0.02% | $4.9M | added +4.6% | 2021 Q1 |
| Renaissance Technologies | 2.26M | 0.02% | $4.8M | added +2.9% | 2023 Q1 |
| B. Metzler seel. Sohn & CO. AG | 2.19M | 0.02% | $4.6M | added +22.5% | 2025 Q4 |
| Invesco | 1.86M | 0.02% | $3.9M | trimmed -1% | ≤2013 |
| Nordea Investment Management AB | 1.75M | 0.02% | $3.7M | added +29% | 2013 Q4 |
| Laird Norton Wetherby Trust Company, LLC | 1.40M | 0.01% | $3.0M | trimmed -2.7% | ≤2013 |
| Ethic INC. | 1.39M | 0.01% | $2.9M | added +3.1% | 2021 Q2 |
| Citigroup INC | 1.24M | 0.01% | $2.6M | trimmed -2.7% | ≤2013 |
| Perpetual LTD | 1.19M | 0.01% | $2.5M | unchanged | 2025 Q1 |
| Bank OF America CORP /DE/ | 1.12M | 0.01% | $2.4M | trimmed -45.7% | ≤2013 |
| Millennium Management | 1.10M | 0.01% | $2.3M | trimmed -79.4% | 2017 Q3 |
| Vident Advisory, LLC | 1.05M | 0.01% | $2.2M | trimmed -14.4% | 2022 Q2 |
| Fisher Investments | 1.03M | 0.01% | $2.2M | added +15.4% | 2015 Q1 |
| Sequoia Financial Advisors, LLC | 1.01M | 0.01% | $2.2M | added +30.2% | 2021 Q4 |
| Cerity Partners LLC | 1.01M | 0.01% | $2.2M | trimmed -4.2% | 2021 Q4 |
| Prudential PLC | 1.00M | 0.01% | $2.1M | added +156.7% | 2025 Q4 |
| Ballentine Partners, LLC | 941.0k | <0.01% | $2.0M | added +76.2% | 2019 Q2 |
| LPL Financial LLC | 792.5k | <0.01% | $1.7M | added +10.6% | 2020 Q4 |
| Deutsche Bank AG\ | 789.5k | <0.01% | $1.7M | trimmed -3% | ≤2013 |
| LSV Asset Management | 763.2k | <0.01% | $1.6M | opened | 2026 Q1 |
| Prudential Financial INC | 701.3k | <0.01% | $1.5M | trimmed -11.2% | ≤2013 |
| Jane Street | 665.9k | <0.01% | $1.4M | trimmed -34.4% | 2020 Q2 |
| Corient Private Wealth LLC | 645.3k | <0.01% | $1.4M | trimmed -12.4% | 2022 Q4 |
| US Bancorp \DE\ | 628.8k | <0.01% | $1.3M | trimmed -22.3% | ≤2013 |
| KLP Kapitalforvaltning AS | 627.8k | <0.01% | $1.3M | added +93.1% | 2024 Q4 |
| PNC Financial Services Group, INC. | 615.2k | <0.01% | $1.3M | added +42% | 2015 Q4 |
| Alps Advisors INC | 598.9k | <0.01% | $1.3M | added +25.5% | 2016 Q4 |
Largest 50 of 279 shown; the full ranked, searchable register is at boothcheck.com/holders/WIT. 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.