NATUS MEDICAL INC DEL

CUSIP: 639050103 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2022
Shares 166,756 Value ($000) $5,464 Avg Close — Range —
Q2 2020
Shares 100,240 Value ($000) $2,187 Avg Close — Range —
Q1 2020
Shares 37,400 Value ($000) $865 Avg Close — Range —
Q3 2019
Shares 35,839 Value ($000) $1,142 Avg Close — Range —
Q1 2019
Shares 90,440 Value ($000) $2,295 Avg Close — Range —
Q4 2016
Shares 8,986 Value ($000) $313 Avg Close — Range —
Q1 2016
Shares 18,071 Value ($000) $694 Avg Close — Range —