ALTERYX INC

CUSIP: 02156B103 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021
Shares 4,853 Value ($000) $403 Avg Close — Range —
Q4 2020
Shares 9,142 Value ($000) $1,113 Avg Close — Range —
Q3 2020
Shares 10,115 Value ($000) $1,149 Avg Close — Range —
Q2 2020
Shares 10,392 Value ($000) $1,707 Avg Close — Range —
Q1 2020
Shares 8,925 Value ($000) $849 Avg Close — Range —
Q2 2019
Shares 19,000 Value ($000) $2,073 Avg Close — Range —
Q1 2019
Shares 22,800 Value ($000) $1,913 Avg Close — Range —
Q4 2018
Shares 12,300 Value ($000) $732 Avg Close — Range —