WELLINGTON MANAGEMENT CO LLP 13D and 13G filings for Houghton Mifflin Harcourt Company:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2022-04-11 08:51 am Sale |
2022-03-31 | 13G | Houghton Mifflin Harcourt Company HMHC |
WELLINGTON MANAGEMENT CO LLP | 4,081,419 3.200% |
-10,038,162 (-71.09%) |
Filing |
| 2022-02-04 09:17 am Sale |
2021-12-31 | 13G | Houghton Mifflin Harcourt Company HMHC |
WELLINGTON MANAGEMENT CO LLP | 14,119,581 11.060% |
-1,896,980 (-11.84%) |
Filing |
| 2021-02-04 09:37 am Purchase |
2020-12-31 | 13G | Houghton Mifflin Harcourt Company HMHC |
WELLINGTON MANAGEMENT CO LLP | 16,016,561 12.730% |
958,703 (+6.37%) |
Filing |