HORTONWORKS INC

CUSIP: 440894103 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2015
Shares 16,040 Value ($000) $351 Avg Close — Range —
Q2 2015
Shares 313,862 Value ($000) $7,947 Avg Close — Range —
Q1 2015
Shares 19,028 Value ($000) $454 Avg Close — Range —
Q4 2014
Shares 18,239 Value ($000) $492 Avg Close — Range —