NORTHWEST NAT HLDG CO

Ticker: NWN CUSIP: 66765N105 Class: Common Stock

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

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

Q4 2025
Shares 34,698 Value ($000) $1,622 Avg Close $46.64 Range $43.64 - $49.63
Q2 2025
Shares 10,608 Value ($000) $421 Avg Close $41.46 Range $38.94 - $44.38
Q3 2024
Shares 58,171 Value ($000) $2,375 Avg Close $39.06 Range $35.10 - $41.20
Q2 2023
Shares 44,080 Value ($000) $1,898 Avg Close $45.19 Range $41.75 - $49.09
Q2 2022
Shares 5,751 Value ($000) $306 Avg Close $51.60 Range $46.91 - $55.97
Q1 2022
Shares 263,907 Value ($000) $13,650 Avg Close $50.16 Range $45.81 - $57.63
Q3 2021
Shares 7,882 Value ($000) $362 Avg Close $51.11 Range $45.09 - $54.48
Q1 2021
Shares 9,294 Value ($000) $501 Avg Close $47.98 Range $41.71 - $54.27
Q4 2020
Shares 13,716 Value ($000) $631 Avg Close $47.35 Range $42.33 - $52.30
Q3 2020
Shares 20,828 Value ($000) $945 Avg Close $51.04 Range $43.34 - $56.58
Q2 2019
Shares 12,679 Value ($000) $881 Avg Close $67.64 Range $63.48 - $70.22