DUFF & PHELPS INVESTMENT MANAGEMENT CO

Holdings History for NORTHWEST NAT GAS CO - COM (NWN)

Symbol: NWN on NYSE
Investment type: Equity / COM

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2018		-0.81%	$0	0	-800,000	-100%		Q4 2018
30 Sep 2018	0.81%	0%	$53,520,000	800,000	0		$66.90	Q3 2018
30 Jun 2018	0.76%	0%	$51,040,000	800,000	0		$63.80	Q2 2018
31 Mar 2018	0.72%	0%	$46,120,000	800,000	0		$57.65	Q1 2018
31 Dec 2017	0.68%	0%	$47,720,000	800,000	0		$59.65	Q4 2017
30 Sep 2017	0.72%	0%	$51,520,000	800,000	0		$64.40	Q3 2017
30 Jun 2017	0.69%	0%	$47,880,000	800,000	0		$59.85	Q2 2017
31 Mar 2017	0.67%	0%	$47,280,000	800,000	0		$59.10	Q1 2017
31 Dec 2016	0.69%	0%	$47,840,000	800,000	0		$59.80	Q4 2016
30 Sep 2016	0.67%	0%	$48,088,000	800,000	0		$60.11	Q3 2016
30 Jun 2016	0.78%	0%	$51,856,000	800,000	0		$64.82	Q2 2016
31 Mar 2016	0.68%	0%	$43,080,000	800,000	0		$53.85	Q1 2016
31 Dec 2015	0.68%	0%	$40,488,000	800,000	0		$50.61	Q4 2015
30 Sep 2015	0.59%	0%	$36,672,000	800,000	0		$45.84	Q3 2015
30 Jun 2015	0.51%	0%	$33,744,000	800,000	0		$42.18	Q2 2015
31 Mar 2015	0.53%	0%	$38,360,000	800,000	0		$47.95	Q1 2015
31 Dec 2014	0.55%	0%	$39,920,000	800,000	0		$49.90	Q4 2014
30 Sep 2014	0.48%	0%	$33,800,000	800,000	0		$42.25	Q3 2014
30 Jun 2014	0.57%	0%	$37,720,000	800,000	0		$47.15	Q2 2014
31 Mar 2014	0.59%	0%	$35,208,000	800,000	0		$44.01	Q1 2014
31 Dec 2013	0.6%	0%	$34,256,000	800,000	0		$42.82	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.