GRIFFIN ASSET MANAGEMENT, INC. - NORTHWEST NAT GAS CO ownership

NORTHWEST NAT GAS CO's ticker is NWNXXXX and the CUSIP is 667655104. A total of 6 filers reported holding NORTHWEST NAT GAS CO in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GRIFFIN ASSET MANAGEMENT, INC. ownership history of NORTHWEST NAT GAS CO
ValueSharesWeighting
Q2 2019$2,780,000
+5.9%
40,0000.0%0.35%
-4.6%
Q1 2019$2,625,000
+8.6%
40,0000.0%0.37%
-9.1%
Q4 2018$2,418,000
-9.6%
40,0000.0%0.41%
+3.6%
Q3 2018$2,676,000
+4.9%
40,0000.0%0.39%
-14.9%
Q2 2018$2,552,000
+10.7%
40,0000.0%0.46%
+10.2%
Q1 2018$2,306,000
-3.4%
40,0000.0%0.42%
-1.2%
Q4 2017$2,386,000
-7.4%
40,0000.0%0.42%
-8.6%
Q3 2017$2,576,000
+7.6%
40,0000.0%0.46%
-27.3%
Q2 2017$2,394,00040,0000.64%
Other shareholders
NORTHWEST NAT GAS CO shareholders Q3 2019
NameSharesValueWeighting ↓
ACADIA TRUST NA 141,219$8,488,0002.57%
Clear Harbor Asset Management, LLC 91,043$5,473,0001.20%
DUFF & PHELPS INVESTMENT MANAGEMENT CO 800,000$48,088,0000.68%
Robeco Schweiz AG 106,000$6,410,0000.56%
Mengis Capital Management, Inc. 10,905$655,0000.54%
RobecoSam USA, Inc. 7,500$451,0000.54%
OLD REPUBLIC INTERNATIONAL CORP 263,300$11,606,0000.50%
American Investment Services, Inc. 19,536$1,174,0000.49%
TRUE Private Wealth Advisors 22,077$1,282,0000.41%
HENNESSY ADVISORS INC 234,286$14,083,0000.40%
View complete list of NORTHWEST NAT GAS CO shareholders