HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022
Shares 458,312 Value ($000) $9,629 Avg Close — Range —
Q4 2021
Shares 7,132,285 Value ($000) $114,830 Avg Close — Range —
Q3 2021
Shares 7,546,292 Value ($000) $101,347 Avg Close — Range —
Q2 2021
Shares 8,675,761 Value ($000) $95,780 Avg Close — Range —
Q1 2021
Shares 8,896,537 Value ($000) $67,792 Avg Close — Range —
Q4 2020
Shares 8,578,200 Value ($000) $28,565 Avg Close — Range —
Q3 2020
Shares 8,396,435 Value ($000) $14,526 Avg Close — Range —
Q2 2020
Shares 7,919,851 Value ($000) $14,335 Avg Close — Range —
Q1 2020
Shares 8,464,181 Value ($000) $15,913 Avg Close — Range —
Q4 2019
Shares 8,627,697 Value ($000) $53,923 Avg Close — Range —
Q3 2019
Shares 8,714,879 Value ($000) $46,450 Avg Close — Range —
Q2 2019
Shares 8,422,084 Value ($000) $48,511 Avg Close — Range —
Q1 2019
Shares 7,397,229 Value ($000) $53,778 Avg Close — Range —
Q4 2018
Shares 7,502,967 Value ($000) $66,476 Avg Close — Range —
Q3 2018
Shares 6,321,018 Value ($000) $44,247 Avg Close — Range —
Q2 2018
Shares 6,162,188 Value ($000) $47,141 Avg Close — Range —
Q1 2018
Shares 5,923,450 Value ($000) $41,168 Avg Close — Range —
Q4 2017
Shares 6,040,000 Value ($000) $56,172 Avg Close — Range —
Q3 2017
Shares 3,334,225 Value ($000) $40,177 Avg Close — Range —
Q2 2017
Shares 194,600 Value ($000) $2,394 Avg Close — Range —
Q1 2017
Shares 207,800 Value ($000) $2,109 Avg Close — Range —
Q4 2016
Shares 205,603 Value ($000) $2,231 Avg Close — Range —
Q3 2016
Shares 208,000 Value ($000) $2,789 Avg Close — Range —
Q2 2016
Shares 208,000 Value ($000) $3,251 Avg Close — Range —
Q1 2016
Shares 207,300 Value ($000) $4,134 Avg Close — Range —
Q4 2015
Shares 207,300 Value ($000) $4,515 Avg Close — Range —
Q3 2015
Shares 208,700 Value ($000) $4,239 Avg Close — Range —
Q2 2015
Shares 207,900 Value ($000) $5,239 Avg Close — Range —
Q1 2015
Shares 183,900 Value ($000) $4,318 Avg Close — Range —
Q4 2014
Shares 183,900 Value ($000) $3,809 Avg Close — Range —
Q3 2014
Shares 180,700 Value ($000) $3,513 Avg Close — Range —
Q2 2014
Shares 180,700 Value ($000) $3,462 Avg Close — Range —
Q1 2014
Shares 12,600 Value ($000) $256 Avg Close — Range —
Q4 2013
Shares 6,500 Value ($000) $110 Avg Close — Range —