Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
298 institutional managers reported holding WT for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 64%. 55 opened new positions; 42 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 17.66M | 12.79% | $257.4M | trimmed -7.3% | ≤2013 |
| Vanguard Group | 14.63M | 10.60% | $213.3M | added +4.4% | ≤2013 |
| FMR (Fidelity) | 12.72M | 9.22% | $185.5M | trimmed -24% | 2021 Q2 |
| Wellington Management | 10.59M | 7.67% | $154.3M | trimmed -5.5% | 2021 Q3 |
| Capital Group (American Funds) | 6.81M | 4.93% | $99.3M | added +169.3% | 2025 Q4 |
| Azora Capital LP (focused) | 5.99M | 4.34% | $87.3M | trimmed -2.6% | 2020 Q4 |
| Invesco | 5.81M | 4.21% | $84.8M | added +74.1% | 2015 Q1 |
| State Street | 5.05M | 3.66% | $73.6M | trimmed -3.3% | ≤2013 |
| Simcoe Capital Management, LLC (focused) | 4.67M | 3.38% | $68.0M | trimmed -11.2% | 2025 Q1 |
| Goldman Sachs | 4.58M | 3.32% | $66.8M | added +35.1% | ≤2013 |
| Arrowstreet Capital | 4.13M | 3.00% | $60.3M | added +41.1% | 2024 Q3 |
| Dimensional Fund Advisors | 3.62M | 2.63% | $52.8M | unchanged | ≤2013 |
| Geode Capital | 2.85M | 2.06% | $41.5M | added +1.9% | ≤2013 |
| Morgan Stanley | 2.50M | 1.81% | $36.5M | trimmed -7% | ≤2013 |
| Bank OF America CORP /DE/ | 2.33M | 1.69% | $33.9M | added +556.4% | ≤2013 |
| Nomura Asset Management International INC. | 2.24M | 1.63% | $32.7M | added +32.2% | 2025 Q4 |
| ArrowMark Colorado Holdings LLC | 2.04M | 1.48% | $29.8M | trimmed -15.1% | 2014 Q2 |
| Principal Financial Group INC | 2.04M | 1.48% | $29.7M | added +99.8% | ≤2013 |
| Janus Henderson | 1.74M | 1.26% | $25.4M | trimmed -18.1% | 2021 Q3 |
| Two Sigma | 1.67M | 1.21% | $24.4M | added +33.8% | 2022 Q4 |
| Loomis Sayles & CO L P | 1.66M | 1.21% | $24.2M | added +24.2% | 2025 Q3 |
| Driehaus Capital Management LLC | 1.64M | 1.19% | $24.0M | added +87.7% | 2025 Q3 |
| Nuveen | 1.60M | 1.16% | $23.3M | trimmed -9.3% | 2019 Q2 |
| Jane Street | 1.51M | 1.09% | $22.0M | opened | 2022 Q2 |
| Charles Schwab Investment Management | 1.44M | 1.05% | $21.0M | trimmed -2.7% | ≤2013 |
| Millennium Management | 1.37M | 1.00% | $20.0M | added +84% | 2016 Q4 |
| MFS Investment Management | 1.34M | 0.97% | $19.6M | trimmed -43.1% | 2017 Q4 |
| Tidal Investments LLC | 1.34M | 0.97% | $19.5M | trimmed -4.8% | 2018 Q4 |
| Voloridge Investment Management | 1.24M | 0.90% | $18.1M | trimmed -10.9% | 2023 Q2 |
| Northern Trust | 1.22M | 0.88% | $17.7M | added +1.4% | ≤2013 |
| HRT Financial LP | 1.15M | 0.83% | $16.7M | trimmed -0.8% | 2024 Q4 |
| American Century Companies INC | 1.09M | 0.79% | $15.9M | trimmed -28.2% | 2022 Q2 |
| Envestnet Asset Management INC | 1.07M | 0.78% | $15.6M | added +9.6% | 2021 Q2 |
| Crawford Fund Management, LLC (focused) | 1.03M | 0.74% | $15.0M | trimmed -17.4% | 2024 Q1 |
| BNY Mellon | 985.5k | 0.71% | $14.4M | added +14.9% | ≤2013 |
| Kornitzer Capital Management INC /KS | 951.0k | 0.69% | $13.9M | trimmed -2.1% | 2024 Q2 |
| Man Group | 924.5k | 0.67% | $13.5M | added +30.4% | 2023 Q4 |
| UBS | 834.0k | 0.60% | $12.2M | trimmed -50.3% | ≤2013 |
| Citigroup INC | 810.6k | 0.59% | $11.8M | trimmed -6.3% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 801.3k | 0.58% | $11.7M | opened | 2026 Q1 |
| Squarepoint Ops LLC | 755.3k | 0.55% | $11.0M | trimmed -11.7% | 2023 Q4 |
| Intrinsic Edge Capital Management LLC | 700.0k | 0.51% | $10.2M | added +20.7% | 2025 Q4 |
| Danske Bank A/S | 692.6k | 0.50% | $10.1M | opened | 2026 Q1 |
| Invenomic Capital Management LP | 581.5k | 0.42% | $8.5M | trimmed -28.2% | 2025 Q4 |
| CSM Advisors, LLC | 521.9k | 0.38% | $7.6M | trimmed -7.2% | 2025 Q2 |
| Qube Research & Technologies LTD | 521.5k | 0.38% | $7.6M | added +587.7% | 2021 Q2 |
| Jump Financial | 517.9k | 0.38% | $7.6M | opened | 2025 Q3 |
| Wolverine Asset Management LLC | 514.7k | 0.37% | $7.5M | opened | 2026 Q1 |
| Credit Agricole S A | 490.7k | 0.36% | $7.2M | added +25.6% | 2024 Q1 |
| Voya Investment Management LLC | 476.3k | 0.34% | $6.9M | trimmed -4.1% | ≤2013 |
Largest 50 of 298 shown; the full ranked, searchable register is at boothcheck.com/holders/WT. 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.