Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
271 institutional managers reported holding WOR for the quarter ended Mar 31, 2026. Together they hold about 51% of shares outstanding; the top 10 hold 31%. 31 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 | 5.13M | 10.33% | $268.1M | unchanged | ≤2013 |
| Vanguard Group | 3.72M | 7.48% | $194.1M | added +0.5% | ≤2013 |
| Dimensional Fund Advisors | 1.59M | 3.19% | $82.8M | trimmed -2% | ≤2013 |
| State Street | 1.20M | 2.42% | $62.7M | unchanged | ≤2013 |
| Geode Capital | 792.7k | 1.60% | $41.4M | added +3.2% | ≤2013 |
| Nomura Asset Management International INC. | 680.8k | 1.37% | $35.6M | trimmed -11.8% | 2025 Q4 |
| Capital International Investors | 678.8k | 1.37% | $35.5M | added +62.9% | 2023 Q4 |
| American Century Companies INC | 666.7k | 1.34% | $34.8M | trimmed -18% | 2020 Q1 |
| Arrowstreet Capital | 480.5k | 0.97% | $25.1M | trimmed -6.4% | 2025 Q1 |
| Windsor Advisory Group, LLC | 459.6k | 0.93% | $24.0M | added +23.5% | 2025 Q3 |
| Fort Washington Investment Advisors INC /OH/ | 456.9k | 0.92% | $23.9M | opened | 2026 Q1 |
| Fisher Investments | 433.6k | 0.87% | $22.7M | trimmed -0.7% | 2018 Q2 |
| Charles Schwab Investment Management | 427.9k | 0.86% | $22.4M | trimmed -5.5% | ≤2013 |
| Morgan Stanley | 399.4k | 0.80% | $20.9M | trimmed -20.9% | ≤2013 |
| Prudential Financial INC | 389.4k | 0.78% | $20.3M | trimmed -4.9% | 2023 Q1 |
| Northern Trust | 345.0k | 0.69% | $18.0M | added +3.1% | ≤2013 |
| BNY Mellon | 338.3k | 0.68% | $17.7M | trimmed -4.1% | ≤2013 |
| Point72 | 318.9k | 0.64% | $16.7M | added +2307.7% | 2024 Q3 |
| Ameriprise Financial INC | 284.5k | 0.57% | $14.9M | trimmed -2.5% | ≤2013 |
| Invesco | 264.1k | 0.53% | $13.8M | added +1.6% | ≤2013 |
| LSV Asset Management | 229.3k | 0.46% | $12.0M | added +10.7% | 2025 Q4 |
| Goldman Sachs | 219.6k | 0.44% | $11.5M | added +3.5% | ≤2013 |
| Vela Investment Management, LLC | 217.1k | 0.44% | $11.3M | added +177.3% | 2024 Q4 |
| Keybank National ASSOCIATION/OH | 208.4k | 0.42% | $10.9M | unchanged | 2025 Q4 |
| Two Sigma | 203.2k | 0.41% | $10.6M | added +62.9% | 2023 Q2 |
| Vontobel Holding LTD. | 202.9k | 0.41% | $10.6M | added +159.7% | 2020 Q4 |
| FMR (Fidelity) | 201.6k | 0.41% | $10.5M | added +33.1% | 2017 Q4 |
| Bank OF America CORP /DE/ | 178.4k | 0.36% | $9.3M | trimmed -3.6% | ≤2013 |
| Qube Research & Technologies LTD | 167.1k | 0.34% | $8.7M | trimmed -37.9% | 2025 Q3 |
| Principal Financial Group INC | 152.0k | 0.31% | $7.9M | added +1.8% | ≤2013 |
| Teacher Retirement System OF Texas | 148.0k | 0.30% | $7.7M | added +38.3% | 2023 Q1 |
| UBS | 146.6k | 0.29% | $7.7M | added +12.7% | ≤2013 |
| Victory Capital Management INC | 127.5k | 0.26% | $6.7M | added +48.4% | 2017 Q4 |
| Hillsdale Investment Management INC. | 121.5k | 0.24% | $6.3M | added +11.8% | 2025 Q2 |
| Lord, Abbett & CO. LLC | 116.4k | 0.23% | $6.1M | trimmed -37.3% | 2024 Q3 |
| FIL LTD | 111.9k | 0.23% | $5.8M | unchanged | 2019 Q4 |
| Public Sector Pension Investment Board | 111.6k | 0.23% | $5.8M | added +3.1% | 2023 Q4 |
| NFJ Investment Group, LLC | 95.9k | 0.19% | $5.0M | unchanged | 2025 Q3 |
| Rhumbline Advisers | 95.6k | 0.19% | $5.0M | added +1.1% | ≤2013 |
| Jane Street | 91.6k | 0.18% | $4.8M | added +472.4% | 2020 Q2 |
| De Lisle Partners LLP | 88.3k | 0.18% | $4.6M | unchanged | 2024 Q1 |
| Stifel Financial CORP | 84.1k | 0.17% | $4.4M | trimmed -1.9% | 2025 Q2 |
| Nuveen | 83.5k | 0.17% | $4.4M | trimmed -35.8% | 2019 Q2 |
| Capitolis Liquid Global Markets LLC | 78.0k | 0.16% | $4.1M | unchanged | 2025 Q3 |
| Wedge Capital Management L L P/NC | 77.8k | 0.16% | $4.1M | added +7.2% | 2022 Q2 |
| Smithfield Trust CO | 76.1k | 0.15% | $4.0M | unchanged | 2017 Q4 |
| Legal & General Group PLC | 73.9k | 0.15% | $3.9M | trimmed -14% | ≤2013 |
| Midwest Trust CO | 73.9k | 0.15% | $3.9M | trimmed -2.4% | 2025 Q2 |
| Balyasny Asset Management | 68.4k | 0.14% | $3.6M | added +255.8% | 2024 Q1 |
| Deutsche Bank AG\ | 66.9k | 0.14% | $3.5M | trimmed -6.1% | 2013 Q3 |
Largest 50 of 271 shown; the full ranked, searchable register is at boothcheck.com/holders/WOR. 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.