NWN

Northwest Natural Holding Co

Company with tickers: NWN

CIK

1733998

CUSIP

66765N105

Shares Outstanding

42,080,352

13F Activity (30d)

165 filings 162 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-04	355,746	274,190	629,936	44.8%
2026-04-27	172,762	146,825	319,587	43.7%
2026-04-20	153,990	266,807	420,797	69.0%
2026-04-13	151,054	129,320	280,374	41.5%
2026-04-06	302,517	234,236	536,753	45.5%
2026-03-30	197,220	167,688	364,908	39.4%
2026-03-23	272,378	271,006	543,384	38.2%
2026-03-16	432,397	330,744	763,141	28.4%
2026-03-09	305,133	184,757	489,890	35.3%
2026-03-02	365,138	554,001	919,139	46.1%
2026-02-23	523,736	237,852	761,588	41.5%
2026-02-16	245,316	131,987	377,303	35.3%
2026-02-09	207,136	120,036	327,172	33.9%
2026-02-02	277,103	182,235	459,338	35.2%
2026-01-26	268,605	305,290	573,895	27.5%
2026-01-19	293,205	128,472	421,677	33.3%
2026-01-12	314,952	166,024	480,976	35.2%
2026-01-05	300,392	169,194	469,586	36.1%
2025-12-29	187,341	125,650	312,991	40.1%
2025-12-22	151,647	148,470	300,117	42.3%
2025-12-15	322,263	566,769	889,032	37.7%
2025-12-08	307,480	183,434	490,914	37.8%
2025-12-01	385,502	169,711	555,213	41.1%
2025-11-24	264,132	118,818	382,950	34.4%
2025-11-17	287,393	120,808	408,201	32.3%
2025-11-10	288,286	123,638	411,924	29.1%
2025-11-03	278,607	108,968	387,575	32.7%
2025-10-27	316,833	203,218	520,051	39.8%
2025-10-20	264,663	330,914	595,577	45.6%
2025-10-13	217,124	127,038	344,162	33.0%
2025-10-06	189,949	117,195	307,144	26.9%
2025-09-29	182,463	147,232	329,695	34.1%
2025-09-22	186,129	175,072	361,201	33.2%
2025-09-15	180,177	229,566	409,743	28.8%
2025-09-08	221,802	164,546	386,348	34.1%
2025-09-01	147,349	124,277	271,626	30.7%
2025-08-25	274,833	240,485	515,318	39.6%
2025-08-18	237,235	255,127	492,362	39.8%
2025-08-11	266,805	176,217	443,022	32.6%
2025-08-04	312,420	232,295	544,715	41.8%
2025-07-28	223,638	272,073	495,711	37.1%
2025-07-21	293,040	182,264	475,304	34.1%
2025-07-14	196,013	145,955	341,968	28.4%
2025-07-07	317,141	205,308	522,449	34.7%
2025-06-30	248,196	149,315	397,511	35.6%
2025-06-23	301,305	574,505	875,810	35.6%
2025-06-16	327,128	295,131	622,259	35.0%

Showing 1–47 of 47 weeks