ALTERYX INC

CUSIP: 02156B103 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2020
Shares 312,060 Value ($000) $38,006 Avg Close — Range —
Q3 2020
Shares 432,279 Value ($000) $49,085 Avg Close — Range —