Northwest Natural Holding Co
NWN- Exchange
- NYSE
- Industry
- Natural Gas Distribution
- SEC CIK
- 0001733998
In the last 90 days, Northwest Natural Holding Co insiders filed 0 open-market purchases and 3 sales; 320 institutions reported holding it in 13F filings for Q2 2026, worth $1.68B in total; no superinvestor holds it.
Holders of 5% or more of NWN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Northwest Natural Holding Co, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 16.50%6.65M shares | – | Apr 30, 20251 filing | Apr 30, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 6.36%2.64M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.20%2.16M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on Northwest Natural Holding Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 12, 202611:43 AM ET | State Street Corp | 13G | 4.00%1.61M shares | −1.20 ppfrom 5.20%Below 5% | Mar 31, 2026 | SEC |
| Apr 30, 202611:34 AM ET | Vanguard Capital Management LLC | 13G | 5.20%2.16M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20262:45 PM ET | Vanguard Portfolio Management LLC | 13G | 6.36%2.64M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 202611:07 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Aug 11, 20257:47 AM ET | State Street Corp | 13G | 5.20%2.08M shares | New | Jun 30, 2025 | SEC |
| Apr 30, 20257:56 AM ET | BlackRock, Inc. | 13G/A | 16.50%6.65M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Northwest Natural Holding Co shares.
No Form 144 notices for Northwest Natural Holding Co are on file.