CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM

Holdings History for NATURAL GAS SERVICES GROUP INC - Common Stock, par value $0.01 per share (NGS)

Symbol: NGS on NYSE
Investment type: Equity / Common Stock, par value $0.01 per share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Jun 2021		-0%	$0	0	-26,532	-100%	$36.39	Q2 2021
31 Mar 2021	0%	-0%	$250,000	26,532	-168	-0.63%	$9.42	Q1 2021
31 Dec 2020	0%	0%	$253,000	26,700	0		$9.48	Q4 2020
30 Sep 2020	0%	0%	$226,000	26,700	0		$8.46	Q3 2020
30 Jun 2020	0%	0%	$167,000	26,700	0		$6.25	Q2 2020
31 Mar 2020	0%	-0%	$119,000	26,700	-1,000	-3.6%	$4.46	Q1 2020
31 Dec 2019	0%	-0%	$340,000	27,700	-2,764	-9.1%	$12.27	Q4 2019
30 Sep 2019	0%	0%	$390,000	30,464	0		$12.80	Q3 2019
30 Jun 2019	0%	-0%	$503,000	30,464	-2,466	-7.5%	$16.51	Q2 2019
31 Mar 2019	0%	-0%	$570,000	32,930	-6,311	-16%	$17.31	Q1 2019
31 Dec 2018	0%	+0%	$645,000	39,241	+2,599	+7.1%	$16.44	Q4 2018
30 Sep 2018	0%	+0%	$773,000	36,642	+1,197	+3.4%	$21.10	Q3 2018
30 Jun 2018	0%	+0%	$837,000	35,445	+2,858	+8.8%	$23.61	Q2 2018
31 Mar 2018	0%	+0%	$777,000	32,587	+3,187	+11%	$23.84	Q1 2018
31 Dec 2017	0%	0%	$770,000	29,400	0		$26.19	Q4 2017
30 Sep 2017	0%	-0%	$835,000	29,400	-1,200	-3.9%	$28.40	Q3 2017
30 Jun 2017	0%	-0%	$760,000	30,600	-1,900	-5.8%	$24.84	Q2 2017
31 Mar 2017	0%	-0%	$847,000	32,500	-500	-1.5%	$26.06	Q1 2017
31 Dec 2016	0%	-0%	$1,061,000	33,000	-1,600	-4.6%	$32.15	Q4 2016
30 Sep 2016	0%	0%	$851,000	34,600	0		$24.60	Q3 2016
30 Jun 2016	0%	-0%	$792,000	34,600	-1,100	-3.1%	$22.89	Q2 2016
31 Mar 2016	0%	-0%	$772,000	35,700	-2,200	-5.8%	$21.62	Q1 2016
31 Dec 2015	0%	0%	$845,000	37,900	0		$22.30	Q4 2015
30 Sep 2015	0%	-0%	$731,000	37,900	-1,300	-3.3%	$19.29	Q3 2015
30 Jun 2015	0%	-0%	$895,000	39,200	-800	-2%	$22.83	Q2 2015
31 Mar 2015	0%	0%	$866,000	40,000	0		$21.65	Q1 2015
31 Dec 2014	0%	-0%	$866,000	40,000	-20,597	-34%	$21.65	Q4 2014
30 Sep 2014	0%	+0%	$1,459,000	60,597	+20,997	+53%	$24.08	Q3 2014
30 Jun 2014	0%	-0%	$1,309,000	39,600	-1,900	-4.6%	$33.06	Q2 2014
31 Mar 2014	0%	-0%	$1,279,000	41,500	-28,300	-41%	$30.82	Q1 2014
31 Dec 2013	0%	0%	$2,033,000	69,800	0		$29.13	Q4 2013
31 Dec 2013	0%	0%	$2,033,000	69,800	0		$29.13	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.