CIK: 0000312272 | WALTHAM, MA
| Quarter | Form Type | Holdings | Value | Filed | SEC |
|---|---|---|---|---|---|
| 13F-HR | 4378 | $77.0B | 2026-11-02 | SEC ↗ | |
| 13F-HR | 4415 | $79.5B | 2026-07-29 | SEC ↗ | |
| 13F-HR | 4299 | $71.6B | 2026-04-27 | SEC ↗ | |
| 13F-HR | 4271 | $75.0B | 2026-02-12 | SEC ↗ | |
| 13F-HR | 4234 | $10.8B | 2025-10-22 | SEC ↗ | |
| 13F-HR | 4248 | $9.7B | 2025-08-06 | SEC ↗ | |
| 13F-HR | 4172 | $8.8B | 2025-05-09 | SEC ↗ | |
| 13F-HR | 4087 | $8.8B | 2025-02-10 | SEC ↗ | |
| 13F-HR | 4055 | $8.0B | 2024-10-18 | SEC ↗ | |
| 13F-HR | 4033 | $7.7B | 2024-07-31 | SEC ↗ | |
| 13F-HR | 4019 | $4.7B | 2024-04-29 | SEC ↗ | |
| 13F-HR | 3900 | $4.1B | 2024-02-06 | SEC ↗ | |
| 13F-HR | 3823 | $3.4B | 2023-10-23 | SEC ↗ | |
| 13F-HR | 3831 | $3.3B | 2023-08-10 | SEC ↗ | |
| 13F-HR | 3774 | $2.7B | 2023-05-11 | SEC ↗ | |
| 13F-HR | 3701 | $2.5B | 2023-02-07 | SEC ↗ | |
| 13F-HR | 3662 | $2.4B | 2022-11-14 | SEC ↗ | |
| 13F-HR | 3661 | $1.9B | 2022-07-19 | SEC ↗ | |
| 13F-HR | 3704 | $1.7B | 2022-05-04 | SEC ↗ | |
| 13F-HR | 3643 | $1.6B | 2022-01-31 | SEC ↗ | |
| 13F-HR | 3573 | $1.4B | 2021-10-29 | SEC ↗ | |
| 13F-HR | 3520 | $1.5B | 2021-08-11 | SEC ↗ | |
| 13F-HR | 3396 | $1.3B | 2021-05-04 | SEC ↗ | |
| 13F-HR | 3197 | $1.2B | 2021-02-11 | SEC ↗ | |
| 13F-HR | 3047 | $921.8M | 2020-11-05 | SEC ↗ | |
| 13F-HR | 2948 | $814.0M | 2020-08-12 | SEC ↗ | |
| 13F-HR | 2814 | $599.0M | 2020-05-11 | SEC ↗ | |
| 13F-HR | 2882 | $729.3M | 2020-02-05 | SEC ↗ | |
| 13F-HR | 2837 | $544.9M | 2019-10-30 | SEC ↗ | |
| 13F-HR | 2773 | $544.7M | 2019-07-19 | SEC ↗ | |
| 13F-HR | 2742 | $518.9M | 2019-05-13 | SEC ↗ | |
| 13F-HR | 2676 | $444.0M | 2019-02-11 | SEC ↗ | |
| 13F-HR | 2788 | $491.4M | 2018-11-06 | SEC ↗ | |
| 13F-HR | 2765 | $443.4M | 2018-07-31 | SEC ↗ | |
| 13F-HR | 2709 | $411.4M | 2018-05-14 | SEC ↗ | |
| 13F-HR | 2678 | $390.8M | 2018-02-12 | SEC ↗ |