HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

VOLORIDGE INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001556921)

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

Q4 2021
Shares 58,676 Value ($000) $945 Avg Close — Range —
Q3 2021
Shares 98,355 Value ($000) $1,321 Avg Close — Range —
Q2 2021
Shares 62,286 Value ($000) $688 Avg Close — Range —
Q2 2015
Shares 24,800 Value ($000) $625 Avg Close — Range —