Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
347 institutional managers reported holding GTM for the quarter ended Mar 31, 2026. Together they hold about 91% of shares outstanding; the top 10 hold 55%. 79 opened new positions; 84 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 32.84M | 10.86% | $196.4M | added +32.9% | 2020 Q2 |
| Vanguard Group | 26.08M | 8.62% | $155.9M | added +3.7% | 2020 Q2 |
| RPD Fund Management LLC (focused) | 17.20M | 5.69% | $102.9M | added +78.6% | 2024 Q4 |
| FMR (Fidelity) | 15.94M | 5.27% | $95.3M | trimmed -32.1% | 2020 Q2 |
| Glenview Capital (focused) | 15.91M | 5.26% | $95.1M | trimmed -20.5% | 2024 Q2 |
| Dimensional Fund Advisors | 15.10M | 4.99% | $90.3M | added +24.7% | 2021 Q1 |
| LSV Asset Management | 12.25M | 4.05% | $73.2M | added +20.3% | 2024 Q3 |
| Greenhouse Funds Lllp (focused) | 11.46M | 3.79% | $68.5M | added +7.8% | 2022 Q4 |
| AQR Capital | 9.46M | 3.13% | $56.6M | added +115.6% | 2023 Q1 |
| State Street | 9.15M | 3.02% | $54.7M | added +6.5% | 2020 Q3 |
| Jupiter Asset Management LTD | 7.16M | 2.37% | $42.8M | added +661.6% | 2025 Q4 |
| Geode Capital | 5.43M | 1.79% | $32.4M | unchanged | 2020 Q2 |
| Adage Capital Partners GP, L.l.c. | 4.75M | 1.57% | $28.4M | added +58.3% | 2024 Q3 |
| Morgan Stanley | 4.38M | 1.45% | $26.2M | added +207.2% | 2020 Q2 |
| Quantinno Capital Management LP | 4.14M | 1.37% | $24.8M | added +127.7% | 2023 Q2 |
| Pacer Advisors, INC. | 3.88M | 1.28% | $23.2M | added +14.2% | 2022 Q4 |
| PRIMECAP Management | 3.22M | 1.07% | $19.3M | trimmed -12.1% | 2020 Q2 |
| Citadel Advisors | 2.93M | 0.97% | $17.5M | added +35.1% | 2020 Q2 |
| Charles Schwab Investment Management | 2.74M | 0.91% | $16.4M | added +13.8% | 2020 Q2 |
| UBS | 2.65M | 0.88% | $15.9M | trimmed -9% | 2020 Q2 |
| Goldman Sachs | 2.64M | 0.87% | $15.8M | added +178.7% | 2020 Q2 |
| Marshall Wace | 2.32M | 0.77% | $13.9M | opened | 2022 Q3 |
| Lynrock Lake LP (focused) | 2.07M | 0.68% | $12.4M | opened | 2026 Q1 |
| BNP Paribas Financial Markets | 2.02M | 0.67% | $12.1M | added +120.3% | 2024 Q4 |
| Bank OF America CORP /DE/ | 1.90M | 0.63% | $11.4M | added +81.1% | 2020 Q2 |
| Northern Trust | 1.77M | 0.59% | $10.6M | trimmed -24.7% | 2020 Q3 |
| Jane Street | 1.75M | 0.58% | $10.4M | added +255.4% | 2020 Q2 |
| BNY Mellon | 1.62M | 0.54% | $9.7M | trimmed -6.4% | 2020 Q3 |
| HRT Financial LP | 1.58M | 0.52% | $9.5M | added +3212.1% | 2025 Q4 |
| Assenagon Asset Management S.a. | 1.54M | 0.51% | $9.2M | added +5757.6% | 2021 Q4 |
| Balyasny Asset Management | 1.53M | 0.51% | $9.1M | added +445.2% | 2024 Q4 |
| Gotham Asset Management | 1.50M | 0.50% | $9.0M | added +837.1% | 2021 Q2 |
| Prelude Capital Management, LLC | 1.49M | 0.49% | $8.9M | added +2.9% | 2024 Q3 |
| Invesco | 1.42M | 0.47% | $8.5M | added +11.7% | 2020 Q2 |
| Victory Capital Management INC | 1.39M | 0.46% | $8.3M | added +98% | 2020 Q2 |
| Principal Financial Group INC | 1.30M | 0.43% | $7.8M | added +120.6% | 2021 Q2 |
| Ardmore Road Asset Management LP | 1.27M | 0.42% | $7.6M | added +53.2% | 2025 Q4 |
| Susquehanna International Group | 1.25M | 0.41% | $7.5M | added +536.2% | 2020 Q2 |
| Millennium Management | 1.22M | 0.40% | $7.3M | added +251.8% | 2020 Q2 |
| Robeco Institutional Asset Management B.v. | 1.19M | 0.39% | $7.1M | added +70.6% | 2025 Q2 |
| Retirement Systems of Alabama | 1.09M | 0.36% | $6.5M | trimmed -23.2% | 2023 Q2 |
| Winton Group | 1.01M | 0.33% | $6.0M | added +3386.5% | 2025 Q1 |
| Public Sector Pension Investment Board | 961.1k | 0.32% | $5.7M | opened | 2026 Q1 |
| Cramer Rosenthal Mcglynn LLC | 889.8k | 0.29% | $5.3M | trimmed -73.2% | 2024 Q4 |
| Citigroup INC | 852.1k | 0.28% | $5.1M | added +961.5% | 2020 Q2 |
| Arrowstreet Capital | 816.8k | 0.27% | $4.9M | added +1825.8% | 2025 Q1 |
| First Trust Advisors LP | 814.3k | 0.27% | $4.9M | trimmed -0.8% | 2025 Q4 |
| Cerity Partners LLC | 814.1k | 0.27% | $4.9M | trimmed -48.7% | 2023 Q3 |
| Squarepoint Ops LLC | 805.2k | 0.27% | $4.8M | opened | 2025 Q2 |
| Hillsdale Investment Management INC. | 741.8k | 0.24% | $4.4M | unchanged | 2025 Q1 |
Largest 50 of 347 shown; the full ranked, searchable register is at boothcheck.com/holders/GTM. 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.