Northwest Natural Gas (NWN) Institutional Ownership

$49.54 -1.05 (-2.08%)

As of 08/21/2026 03:58 PM Eastern

Current Institutional Ownership Percentage: 75.13%
Number of Institutional Buyers (last 12 months): 151
Total Institutional Inflows (last 12 months): $201.33M

Number of Institutional Sellers (last 12 months): 97
Total Institutional Outflows (last 12 months): $107.89M

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NWN Institutional Buying and Selling by Quarter

Northwest Natural Gas Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/22/2026	Oakmont Investment Advisors Inc.	6,500	$319K	0.2%	N/A	0.015%
8/21/2026	iSAM Funds UK Ltd	5,100	$250K	0.2%	-14.7%	0.012%
8/21/2026	Nykredit A S	2,174	$107K	0.0%	N/A	0.005%
8/20/2026	Hennessy Advisors Inc.	47,703	$2.34M	0.1%	-3.2%	0.113%
8/20/2026	Penn Capital Management Company LLC	43,387	$2.13M	0.1%	+224.5%	0.103%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	159,904	$7.85M	0.0%	+12.5%	0.380%
8/19/2026	Van ECK Associates Corp	17,851	$876K	0.0%	+6.4%	0.042%
8/19/2026	Hsbc Holdings PLC	25,195	$1.25M	0.0%	N/A	0.060%
8/18/2026	Public Employees Retirement System of Ohio	926	$45K	0.0%	N/A	0.002%
8/6/2026	Bank of New York Mellon Corp	492,465	$24.16M	0.0%	N/A	1.170%
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7/10/2026	Wedge Capital Management L L P NC	63,426	$3.11M	0.1%	+79.7%	0.151%
7/9/2026	Financial Management Professionals Inc.	1,697	$83K	0.0%	N/A	0.004%
7/7/2026	Bill Few Associates Inc.	5,933	$291K	0.1%	+29.1%	0.014%
7/7/2026	GAMMA Investing LLC	2,546	$125K	0.0%	-7.7%	0.006%
7/2/2026	Versant Capital Management Inc	723	$35K	0.0%	+197.5%	0.002%
7/2/2026	Cedar Mountain Advisors LLC	3,559	$175K	0.0%	-6.2%	0.008%
5/26/2026	Glenmede Trust Co. NA	267,844	$14.26M	0.1%	-8.5%	0.637%
5/26/2026	Axiom Investment Management LLC	1,329	$71K	0.1%	N/A	0.003%
5/19/2026	Bank of America Corp DE	191,461	$10.19M	0.0%	-21.0%	0.455%
5/19/2026	Edgestream Partners L.P.	201,660	$10.73M	0.4%	+54.1%	0.479%
5/18/2026	Amundi	11,744	$625K	0.0%	+140.4%	0.028%
5/18/2026	California State Teachers Retirement System	41,694	$2.22M	0.0%	+16.3%	0.099%
5/18/2026	Royal Bank of Canada	17,674	$941K	0.0%	-16.2%	0.042%
5/16/2026	Quantinno Capital Management LP	41,913	$2.23M	0.0%	+34.7%	0.100%
5/16/2026	Lazard Asset Management LLC	12,097	$644K	0.0%	-72.7%	0.029%
5/14/2026	Hilltop Holdings Inc.	7,382	$393K	0.0%	+46.7%	0.018%
5/14/2026	Caxton Associates LLP	17,479	$930K	0.0%	+11.6%	0.042%
5/14/2026	Sei Investments Co.	38,306	$2.04M	0.0%	+30.1%	0.091%
5/14/2026	State of Wyoming	8,635	$460K	0.1%	+51.7%	0.021%
5/13/2026	Cetera Investment Advisers	65,321	$3.48M	0.0%	+1.1%	0.155%
5/13/2026	First Citizens Bank & Trust Co.	13,247	$705K	0.0%	-7.2%	0.031%
5/13/2026	First Trust Advisors LP	755,910	$40.23M	0.0%	-12.0%	1.796%
5/12/2026	Magellan Asset Management Ltd	43,909	$2.34M	0.0%	+24.6%	0.104%
5/8/2026	PNC Financial Services Group Inc.	11,335	$603K	0.0%	+6.6%	0.027%
5/7/2026	Dimensional Fund Advisors LP	743,512	$39.57M	0.0%	+2.6%	1.767%
5/7/2026	Swiss National Bank	82,100	$4.37M	0.0%	+1.6%	0.195%
5/6/2026	Jennison Associates LLC	23,207	$1.24M	0.0%	N/A	0.055%
5/6/2026	Bessemer Group Inc.	67,961	$3.62M	0.0%	+0.5%	0.162%
5/5/2026	Bank of New York Mellon Corp	476,484	$25.36M	0.0%	-1.5%	1.132%
5/5/2026	Illinois Municipal Retirement Fund	21,500	$1.14M	0.0%	-7.9%	0.051%
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5/5/2026	Maryland State Retirement & Pension System	42,922	$2.28M	0.0%	-4.8%	0.102%
5/4/2026	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	9,534	$507K	0.0%	-12.8%	0.023%
5/4/2026	Principal Financial Group Inc.	238,699	$12.70M	0.0%	-21.8%	0.567%
5/1/2026	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	90,648	$4.82M	0.0%	+17.4%	0.215%
5/1/2026	Fifth Third Bancorp	23,032	$1.23M	0.0%	+1,660.9%	0.055%
5/1/2026	Cedar Mountain Advisors LLC	3,793	$202K	0.0%	+30.6%	0.009%
4/30/2026	Kestra Advisory Services LLC	4,989	$266K	0.0%	-16.8%	0.012%
4/29/2026	R Squared Ltd	14,535	$774K	0.4%	N/A	0.035%
4/28/2026	Ascentis Independent Advisors	6,952	$370K	0.0%	N/A	0.017%
4/27/2026	New York State Teachers Retirement System	64,050	$3.41M	0.0%	-2.4%	0.152%
4/25/2026	Strs Ohio	17,100	$910K	0.0%	-6.6%	0.041%
4/24/2026	Root Financial Partners LLC	5,165	$275K	0.0%	+258,150.0%	0.012%
4/24/2026	Palouse Capital Management Inc.	1,762	$94K	0.1%	-19.7%	0.004%
4/24/2026	IFM Investors Pty Ltd	2,866	$153K	0.0%	N/A	0.007%
4/22/2026	Janney Montgomery Scott LLC	44,189	$2.35M	0.0%	-33.7%	0.106%
4/22/2026	Pictet Asset Management Holding SA	9,345	$497K	0.0%	+13.1%	0.022%
4/22/2026	Sterling Capital Management LLC	1,386	$74K	0.0%	-42.3%	0.003%
4/21/2026	Grace & White Inc. NY	90,064	$4.79M	0.8%	-1.9%	0.217%
4/21/2026	Louisiana State Employees Retirement System	18,400	$979K	0.0%	N/A	0.044%
4/16/2026	SG Americas Securities LLC	193,166	$10.28M	0.0%	+17.0%	0.465%
4/16/2026	Vaughan Nelson Investment Management L.P.	1,189,201	$63.29M	0.6%	-14.6%	2.861%
3/17/2026	Rockefeller Capital Management L.P.	614	$29K	0.0%	-27.7%	0.001%
2/19/2026	Invesco Ltd.	618,230	$28.90M	0.0%	-28.2%	1.489%
2/18/2026	Mercer Global Advisors Inc. ADV	8,659	$405K	0.0%	+40.5%	0.021%
2/18/2026	First Citizens Bank & Trust Co.	14,272	$667K	0.0%	-3.1%	0.034%
2/18/2026	State of Tennessee Department of Treasury	16,401	$764K	0.0%	-38.5%	0.040%
2/18/2026	EP Wealth Advisors LLC	7,311	$342K	0.0%	N/A	0.018%
2/18/2026	Empowered Funds LLC	21,757	$1.02M	0.0%	N/A	0.052%
2/18/2026	XTX Topco Ltd	12,983	$607K	0.0%	N/A	0.031%
2/18/2026	VARCOV Co.	8,528	$399K	0.2%	N/A	0.021%
2/18/2026	Voloridge Investment Management LLC	29,350	$1.37M	0.0%	-40.7%	0.071%
2/18/2026	Millennium Management LLC	211,536	$9.89M	0.0%	+3,319.6%	0.510%
2/18/2026	Infrastructure Capital Advisors LLC	16,917	$791K	0.1%	-58.5%	0.041%
2/18/2026	Balyasny Asset Management L.P.	4,818	$225K	0.0%	-74.6%	0.012%
2/18/2026	Bridgeway Capital Management LLC	30,900	$1.44M	0.0%	-8.8%	0.074%
2/17/2026	Guggenheim Capital LLC	7,774	$363K	0.0%	-12.2%	0.019%
2/17/2026	Schonfeld Strategic Advisors LLC	4,647	$217K	0.0%	-75.6%	0.011%
2/17/2026	AQR Capital Management LLC	214,557	$10.03M	0.0%	+6.4%	0.517%
2/17/2026	Cetera Investment Advisers	64,608	$3.02M	0.0%	+1.1%	0.156%
2/17/2026	Lazard Asset Management LLC	44,309	$2.07M	0.0%	+286.6%	0.107%
2/17/2026	Hilltop Holdings Inc.	5,032	$235K	0.0%	N/A	0.012%
2/17/2026	Amundi	4,886	$228K	0.0%	-96.8%	0.012%
2/17/2026	Price T Rowe Associates Inc. MD	48,167	$2.25M	0.0%	+3.9%	0.116%
2/17/2026	Weiss Asset Management LP	12,297	$575K	0.0%	N/A	0.030%
2/17/2026	Maryland State Retirement & Pension System	45,073	$2.11M	0.0%	+2.9%	0.109%
2/17/2026	State of Wisconsin Investment Board	20,398	$953K	0.0%	-6.9%	0.049%
2/17/2026	Kemnay Advisory Services Inc.	1,508	$70K	0.0%	N/A	0.004%
2/17/2026	Captrust Financial Advisors	5,098	$238K	0.0%	+5.9%	0.012%
2/17/2026	Royal Bank of Canada	21,082	$985K	0.0%	+18.8%	0.051%
2/17/2026	Mangrove Partners IM LLC	6,570	$307K	0.0%	N/A	0.016%
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2/17/2026	Graham Capital Management L.P.	8,711	$407K	0.0%	N/A	0.021%
2/16/2026	Verition Fund Management LLC	10,083	$471K	0.0%	-57.9%	0.024%
2/16/2026	MML Investors Services LLC	6,072	$284K	0.0%	N/A	0.015%
2/16/2026	Mariner LLC	8,272	$387K	0.0%	+19.3%	0.020%
2/16/2026	Motiv8 Investments LLC	4,130	$193K	0.1%	N/A	0.010%
2/16/2026	Barclays PLC	72,868	$3.41M	0.0%	+9.0%	0.176%
2/13/2026	Kestra Advisory Services LLC	5,996	$280K	0.0%	-23.6%	0.014%
2/13/2026	Marshall Wace LLP	34,698	$1.62M	0.0%	N/A	0.084%
2/13/2026	The Manufacturers Life Insurance Company	19,026	$889K	0.0%	-5.7%	0.046%
2/13/2026	Guardian Wealth Management Inc.	16,967	$793K	0.5%	+1.6%	0.041%

NWN Institutional Ownership - Frequently Asked Questions

During the previous two years, 283 institutional investors and hedge funds held shares of Northwest Natural Gas. The most heavily invested institutionals were Vanguard Group Inc. ($219.96M), State Street Corp ($96.81M), Vaughan Nelson Investment Management L.P. ($63.29M), Geode Capital Management LLC ($46.26M), First Trust Advisors LP ($40.23M), Dimensional Fund Advisors LP ($39.57M), and Duff & Phelps Investment Management Co. ($37.36M).Learn more on Northwest Natural Gas' institutional investors.

75.13% of Northwest Natural Gas' stock is owned by institutional investors. Learn more on NWN's institutional investor holdings.

Of the 250 institutional investors that purchased Northwest Natural Gas' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vaughan Nelson Investment Management L.P. ($1.40M), William Blair Investment Management LLC ($575.20K), Nuveen LLC ($572.78K), Bank of New York Mellon Corp ($560.31K), M&T Bank Corp ($448.80K), Thompson Siegel & Walmsley LLC ($348.40K), and MetLife Investment Management LLC ($347.08K).

Institutional investors have bought a total of 4,273,407 shares in the last 24 months. This purchase volume represents approximately $201.33M in transactions.

Of the 97 institutional investors that sold Northwest Natural Gas' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: First Trust Advisors LP ($277.60K), Invesco Ltd. ($242.73K), Vaughan Nelson Investment Management L.P. ($214.77K), Amundi ($145.53K), JPMorgan Chase & Co. ($127.74K), Advisors Asset Management Inc. ($100.89K), and Victory Capital Management Inc. ($96.88K).

Institutional investors have sold a total of 2,262,172 shares in the last 24 months. This volume of shares sold represents approximately $107.89M in transactions.

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Institutional ownership data for NYSE:NWN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/22/2026. New 13F filings are added each quarter as they're published.

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Northwest Natural Gas (NWN) Institutional Ownership

NWN Institutional Buying and Selling by Quarter

Northwest Natural Gas Major Shareholders & Ownership History

NWN Institutional Ownership - Frequently Asked Questions

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Northwest Natural Gas (NWN) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Northwest Natural Gas (NYSE:NWN)

NWN Institutional Buying and Selling by Quarter

Northwest Natural Gas Major Shareholders & Ownership History

NWN Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of NWN shares?

What percentage of Northwest Natural Gas' stock is owned by institutional investors?

Which institutional investors have been buying Northwest Natural Gas' stock?

How much institutional buying is happening at Northwest Natural Gas?

Which of Northwest Natural Gas' major shareholders have been selling company stock?

How much institutional selling is happening at Northwest Natural Gas?

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