Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
368 institutional managers reported holding GT for the quarter ended Mar 31, 2026. Together they hold about 93% of shares outstanding; the top 10 hold 56%. 51 opened new positions; 74 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 34.51M | 11.98% | $229.2M | added +2.5% | ≤2013 |
| Vanguard Group | 28.34M | 9.84% | $188.2M | added +2.2% | ≤2013 |
| Wellington Management | 19.80M | 6.87% | $131.4M | trimmed -29.4% | 2023 Q3 |
| AQR Capital | 17.99M | 6.25% | $119.4M | added +84.2% | ≤2013 |
| Dimensional Fund Advisors | 16.56M | 5.75% | $110.0M | added +8.9% | ≤2013 |
| American Century Companies INC | 13.58M | 4.71% | $90.2M | added +7.8% | 2019 Q2 |
| State Street | 10.72M | 3.72% | $71.2M | added +2.6% | ≤2013 |
| Geode Capital | 7.51M | 2.61% | $49.9M | added +3.7% | ≤2013 |
| Maple Rock Capital Partners INC. (focused) | 5.82M | 2.02% | $38.6M | added +46.4% | 2024 Q4 |
| Victory Capital Management INC | 5.66M | 1.97% | $37.6M | trimmed -1.1% | 2019 Q3 |
| Morgan Stanley | 4.65M | 1.62% | $30.9M | trimmed -31.5% | ≤2013 |
| LSV Asset Management | 4.59M | 1.59% | $30.5M | trimmed -5.2% | ≤2013 |
| UBS | 4.05M | 1.41% | $26.9M | added +37.3% | ≤2013 |
| Charles Schwab Investment Management | 4.02M | 1.40% | $26.7M | added +11.4% | ≤2013 |
| Goldman Sachs | 3.58M | 1.25% | $23.8M | trimmed -14.7% | ≤2013 |
| Northern Trust | 3.53M | 1.22% | $23.4M | unchanged | ≤2013 |
| Newport Trust Company, LLC | 3.43M | 1.19% | $22.8M | trimmed -3.9% | 2017 Q4 |
| Gendell Jeffrey L | 2.96M | 1.03% | $19.7M | added +260.7% | 2025 Q4 |
| MFS Investment Management | 2.69M | 0.94% | $17.9M | trimmed -40.2% | 2025 Q3 |
| Readystate Asset Management LP | 2.61M | 0.91% | $17.3M | added +45.8% | 2022 Q4 |
| Invesco | 2.40M | 0.83% | $15.9M | added +15% | ≤2013 |
| Trexquant Investment LP | 2.38M | 0.82% | $15.8M | added +50.5% | 2025 Q1 |
| CPP Investment Board | 2.36M | 0.82% | $15.7M | added +91.4% | 2025 Q3 |
| Marshall Wace | 2.20M | 0.77% | $14.6M | trimmed -18% | 2023 Q1 |
| Bridgeway Capital Management, LLC | 2.10M | 0.73% | $13.9M | added +0.7% | 2025 Q3 |
| LM Asset Management INC. (focused) | 2.04M | 0.71% | $13.5M | added +21.4% | 2025 Q3 |
| Millennium Management | 2.02M | 0.70% | $13.4M | trimmed -62.5% | ≤2013 |
| BNY Mellon | 1.81M | 0.63% | $12.0M | trimmed -0.5% | ≤2013 |
| Bank OF America CORP /DE/ | 1.67M | 0.58% | $11.1M | added +54.9% | ≤2013 |
| Citigroup INC | 1.63M | 0.57% | $10.8M | added +162.6% | ≤2013 |
| Klcm Advisors, INC. | 1.63M | 0.56% | $10.8M | unchanged | 2022 Q2 |
| Cibc World Market INC. | 1.63M | 0.56% | $10.8M | trimmed -28.3% | 2024 Q1 |
| D. E. Shaw | 1.56M | 0.54% | $10.3M | trimmed -4.7% | ≤2013 |
| Balyasny Asset Management | 1.54M | 0.54% | $10.2M | opened | 2026 Q1 |
| SG Americas Securities, LLC | 1.45M | 0.50% | $9.6M | added +113.5% | 2023 Q4 |
| Susquehanna International Group | 1.37M | 0.48% | $9.1M | added +87.4% | 2017 Q1 |
| Jupiter Asset Management LTD | 1.36M | 0.47% | $9.0M | added +72.2% | 2025 Q3 |
| Man Group | 1.35M | 0.47% | $8.9M | added +754.2% | 2025 Q3 |
| Empowered Funds, LLC | 1.34M | 0.47% | $8.9M | added +5.6% | 2025 Q3 |
| Tudor Investment | 1.34M | 0.47% | $8.9M | added +274.2% | 2025 Q3 |
| Squarepoint Ops LLC | 1.04M | 0.36% | $6.9M | opened | 2025 Q2 |
| Quinn Opportunity Partners LLC | 893.9k | 0.31% | $5.9M | trimmed -3.3% | 2025 Q1 |
| Whitebox Advisors LLC | 871.1k | 0.30% | $5.8M | added +17.5% | 2022 Q1 |
| Nuveen | 871.0k | 0.30% | $5.8M | trimmed -51.3% | 2019 Q1 |
| Jacobs Levy Equity Management, INC | 839.1k | 0.29% | $5.6M | opened | 2026 Q1 |
| Rhumbline Advisers | 836.0k | 0.29% | $5.6M | unchanged | ≤2013 |
| IPG Investment Advisors LLC | 828.7k | 0.29% | $5.5M | trimmed -6.3% | 2021 Q4 |
| Vontobel Holding LTD. | 698.9k | 0.24% | $4.6M | added +588.2% | 2024 Q3 |
| Engineers Gate Manager LP | 680.7k | 0.24% | $4.5M | added +347.4% | 2022 Q3 |
| Principal Financial Group INC | 643.0k | 0.22% | $4.3M | added +3.8% | ≤2013 |
Largest 50 of 368 shown; the full ranked, searchable register is at boothcheck.com/holders/GT. 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.