HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q2 2019
Shares 85,807 Value ($000) $494 Avg Close — Range —
Q1 2019
Shares 59,607 Value ($000) $433 Avg Close — Range —
Q4 2018
Shares 78,129 Value ($000) $692 Avg Close — Range —
Q3 2018
Shares 78,007 Value ($000) $546 Avg Close — Range —
Q2 2018
Shares 78,007 Value ($000) $597 Avg Close — Range —
Q1 2018
Shares 125,417 Value ($000) $872 Avg Close — Range —
Q4 2017
Shares 54,817 Value ($000) $510 Avg Close — Range —
Q3 2017
Shares 139,610 Value ($000) $1,682 Avg Close — Range —
Q2 2017
Shares 108,400 Value ($000) $1,333 Avg Close — Range —
Q1 2017
Shares 108,400 Value ($000) $1,100 Avg Close — Range —
Q4 2016
Shares 125,300 Value ($000) $1,360 Avg Close — Range —
Q3 2015
Shares 108,647 Value ($000) $2,207 Avg Close — Range —
Q1 2015
Shares 55,712 Value ($000) $1,308 Avg Close — Range —
Q2 2014
Shares 89,938 Value ($000) $1,723 Avg Close — Range —
Q1 2014
Shares 25,276 Value ($000) $514 Avg Close — Range —