Northwest Natural Holding Company (NWN) Ownership

NYSE: NWNTop holders, insider trades and short interest.

NWN ownership summary

as of October 18, 2026
Institutions
83.6%
of shares outstanding
Insiders
0.62%
of shares outstanding
Shares outstanding
42.1M
Float
41.9M
shares available to trade
Short interest
6.07%
1.9M shares short
Days to cover
6.88
short interest up 3.9% vs prior month
  • Institutions 83.61%
  • Insiders 0.62%
  • Other investors 15.78%

NWN top institutional holders

20 largest
Northwest Natural Holding Company top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc15.94%6.7M$328.7M+327,245 (+5.1%)June 30, 2026
2Vanguard Portfolio Management, LLC6.50%2.7M$134.0M+106,701 (+4.1%)June 30, 2026
3Vanguard Capital Management, LLC4.51%1.9M$93.1M+67,312 (+3.7%)June 30, 2026
4State Street Corp4.11%1.7M$84.8M+125,653 (+7.8%)June 30, 2026
5Vaughan Nelson Scarbrgh & Mccullough LP3.47%1.5M$71.5M+270,651 (+22.8%)June 30, 2026
6Geode Capital Management, LLC2.92%1.2M$60.1M+195,006 (+18.9%)June 30, 2026
7Amvescap Plc.2.21%930K$45.6M+130,430 (+16.3%)June 30, 2026
8Morgan Stanley - Brokerage Accounts1.93%814K$39.9M−17,028 (−2.0%)June 30, 2026
9Dimensional Fund Advisors, Inc.1.81%762K$37.3M+18,706 (+2.5%)June 30, 2026
10First Trust Advisors L.P.1.77%746K$36.6M−9,807 (−1.3%)June 30, 2026
11Duff & Phelps Inv Mgmt Co (IL)1.46%613K$30.0M—June 30, 2026
12The Goldman Sachs Group Inc1.38%580K$28.4M−76,485 (−11.7%)June 30, 2026
13Charles Schwab Investment Management Inc1.35%569K$27.9M−13,812 (−2.4%)June 30, 2026
14Gabelli Funds LLC1.24%520K$25.5M—June 30, 2026
15Bank of New York Mellon Corp1.17%492K$24.1M+15,981 (+3.4%)June 30, 2026
16Northern Trust Corp1.17%491K$24.1M+35,135 (+7.7%)June 30, 2026
17William Blair Investment Management, LLC1.11%469K$23.0M−125,196 (−21.1%)June 30, 2026
18Two Sigma Investments LLC0.95%400K$19.6M+126,879 (+46.4%)June 30, 2026
19MetLife Investment Management, LLC0.89%374K$18.3M+3,646 (+1.0%)June 30, 2026
20Gamco Investors, Inc. Et Al0.86%364K$17.8M—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 1.4M shares and 5 cut 242K.

NWN top mutual fund and ETF holders

20 largest
Northwest Natural Holding Company top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.95%2.5M$122.7M+618 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.21%1.4M$66.2M−4,647 (−0.3%)August 31, 2026
3iShares Russell 2000 ETF2.64%1.1M$54.5M−12,800 (−1.1%)September 30, 2026
4Vanguard Small Cap Index2.25%948K$46.4M−20,145 (−2.1%)September 30, 2026
5First Trust Value Line® Dividend ETF1.60%674K$33.0M—September 30, 2026
6Vanguard MStar Small Cap Value Index1.46%616K$30.2M+1,463 (+0.2%)September 30, 2026
7DNP Select Income1.46%613K$30.0M—June 30, 2026
8Natixis Vaughan Nelson Small Cap A1.13%476K$23.3M−12,605 (−2.6%)August 31, 2026
9Fidelity Small Cap Index1.12%471K$23.1M+4,602 (+1.0%)July 31, 2026
10Gabelli Utilities AAA1.01%424K$20.8M—June 30, 2026
11Invesco High Yield Eq Div Achiev™ ETF1.00%420K$20.6M—September 30, 2026
12iShares Russell 2000 Value ETF0.95%401K$19.6M+608 (+0.2%)September 30, 2026
13State Street SPDR Port S&P 600 Sm CpETF0.91%382K$18.7M—September 30, 2026
141290 VT GAMCO Small Company Value IB0.86%363K$17.8M—August 31, 2026
15Global X SuperDividend™ US ETF0.74%310K$15.2M—September 30, 2026
16Vanguard Utilities ETF0.67%282K$13.8M−700 (−0.2%)September 30, 2026
17Vanguard Russell 2000 ETF0.59%250K$12.2M+2,900 (+1.2%)September 30, 2026
18Principal SmallCap Value II Instl0.56%236K$11.6M−401 (−0.2%)September 30, 2026
19Schwab US Small-Cap ETF™0.53%222K$10.9M+144 (+0.1%)September 30, 2026
20Vanguard Tax-Managed Small Cap Adm0.50%211K$10.3M—September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

NWN insider transactions

latest 18
Northwest Natural Holding Company insider transactions
DateNameTransactionPriceSharesValue
2026-03-23David A WeberSell$52.571,700$89,369
2026-03-05David A WeberSell$52.531$53
2026-03-05Joseph S KarneySell$52.531$53
2026-03-05Kimberly Heiting RushSell$52.531$53
2026-03-05Melinda B RogersSell$52.53——
2026-03-05Zachary D KravitzSell$52.531$53
2025-12-22Mardilyn SaathoffSell$46.901$47
2025-11-17David Hugo AndersonSell$47.957,468$358,091
2025-10-20David Hugo AndersonSell$46.397,500$347,925
2025-10-15David Hugo AndersonSell$45.0010,509$472,905
2025-10-10David Hugo AndersonSell$45.004,930$221,850
2025-10-01David Hugo AndersonSell$45.00328$14,760
2025-09-30David Hugo AndersonSell$45.014,233$190,527
2025-09-18David Hugo AndersonSell$42.137,795$328,403
2025-08-19David Hugo AndersonSell$40.437,574$306,217
2025-07-21David Hugo AndersonSell$41.967,500$314,700
2025-06-20David Hugo AndersonSell$39.687,500$297,600
2025-05-21David Hugo AndersonSell$40.997,591$311,155

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

NWN shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns NWN

Institutional investors own 83.6% of Northwest Natural's shares and insiders 0.62%. The largest holder is BlackRock Inc with 15.94% of the shares (6.7M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 5 reduced their stake in the latest filings. Short interest is 6.07% of the float, or 6.88 days of average trading volume. The share count rose 49.6% since 2014.

Related: NWN analyst forecast, NWN key metrics, NWN dividend history. See the NWN stock overview for the latest quote and news.

NWN ownership FAQ

Who owns the most Northwest Natural stock?

The largest shareholders of Northwest Natural are BlackRock Inc (15.94%), Vanguard Portfolio Management, LLC (6.50%), Vanguard Capital Management, LLC (4.51%), State Street Corp (4.11%), Vaughan Nelson Scarbrgh & Mccullough LP (3.47%).

What percentage of Northwest Natural is owned by institutions?

Institutions hold 83.6% of Northwest Natural's shares outstanding; insiders hold 0.62%.

Which funds own Northwest Natural?

The largest fund holders of Northwest Natural are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.21%), iShares Russell 2000 ETF (2.64%), Vanguard Small Cap Index (2.25%), First Trust Value Line® Dividend ETF (1.60%).

What is Northwest Natural's short interest?

1.9M shares of Northwest Natural were sold short, 6.07% of the float; at the average daily volume it would take 6.88 days to cover.

Are insiders buying or selling Northwest Natural?

Of the latest 18 reported insider transactions in Northwest Natural (since May 21, 2025), 0 were purchases and 18 were sales.

How many shares of Northwest Natural are outstanding?

Northwest Natural has 42.1M shares outstanding, of which 41.9M are in the public float.

Utilities - Regulated Gas: ownership