NORTHWEST NATURAL HOLDING CO (NWN) Institutional Ownership and Insiders Activity

NORTHWEST NATURAL HOLDING CO (NWN) is widely held by institutional investors, with 305 firms reporting positions valued at approximately $1.66B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $329.21M in NWN holdings in its latest filing.

Recent insider activity includes 8 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.