Columbia Asset Management

Holdings History for CORNING INC /NY - Common Stock, par value $0.50 per share (GLW)

Symbol: GLW on NYSE
Investment type: Equity / Common Stock, par value $0.50 per share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.54%	-0.03%	$3,031,853	34,626	-2,075	-5.7%	$87.56	Q4 2025
30 Sep 2025	0.56%	-0.1%	$3,010,583	36,701	-6,830	-16%	$82.03	Q3 2025
30 Jun 2025	0.45%	+0.03%	$2,289,295	43,531	+2,500	+6.1%	$52.59	Q2 2025
31 Mar 2025	0.38%	-0.07%	$1,878,399	41,031	-7,125		$45.78	Q1 2025
31 Dec 2024	0.44%	+0.05%	$2,288,373	48,156	+5,401	+13%	$47.52	Q4 2024
30 Sep 2024	0.35%	+0.05%	$1,930,000	42,755	+5,730	+15%	$45.14	Q3 2024
30 Jun 2024	0.28%	+0.18%	$1,438,000	37,025	+22,021	+147%	$38.84	Q2 2024
31 Mar 2024	0.1%	0%	$457,000	15,004	0		$30.46	Q1 2024
31 Dec 2023	0.1%	-0%	$457,000	15,004	-500	-3.2%	$30.46	Q4 2023
30 Sep 2023	0.11%	0%	$472,000	15,504	0		$30.44	Q3 2023
30 Jun 2023	0.12%	-0.01%	$543,000	15,504	-1,100	-6.6%	$35.02	Q2 2023
31 Mar 2023	0.14%	-0.01%	$586,000	16,604	-1,800	-9.8%	$35.29	Q1 2023
31 Dec 2022	0.15%	-0.02%	$588,000	18,404	-2,500	-12%	$31.95	Q4 2022
30 Sep 2022	0.17%	-0.06%	$607,000	20,904	-7,450	-26%	$29.04	Q3 2022
30 Jun 2022	0.23%	-0.24%	$893,000	28,354	-29,751	-51%	$31.49	Q2 2022
31 Dec 2021	0.45%	-0.09%	$2,163,000	58,105	-11,732	-17%	$37.23	Q4 2021
30 Sep 2021	0.57%	-0.02%	$2,548,000	69,837	-2,771	-3.8%	$36.48	Q3 2021
30 Jun 2021	0.67%	-0.06%	$2,970,000	72,608	-5,966	-7.6%	$40.90	Q2 2021
31 Mar 2021	0.62%	+0.08%	$3,419,000	78,574	+10,189	+15%	$43.51	Q1 2021
31 Dec 2020	0.5%	+0.23%	$2,462,000	68,385	+31,410	+85%	$36.00	Q4 2020
30 Sep 2020	0.28%	+0.11%	$1,198,000	36,975	+14,175	+62%	$32.40	Q3 2020
30 Jun 2020	0.14%	-0.01%	$591,000	22,800	-2,295	-9.1%	$25.92	Q2 2020
31 Mar 2020	0.15%	0%	$515,000	25,095	0		$20.52	Q1 2020
31 Dec 2019		0%	$15,340	52,695	0		$0.29 ^*	Q4 2019
30 Sep 2019	0.45%	0%	$1,700,000	59,620	0		$28.51	Q3 2019
30 Jun 2019	0.53%	-0.03%	$1,981,000	59,620	-3,300	-5.2%	$33.23	Q2 2019
31 Mar 2019	0.56%	0%	$2,083,000	62,920	0		$33.11	Q1 2019
31 Dec 2018	0.58%	-0.01%	$1,901,000	62,920	-750	-1.2%	$30.21	Q4 2018
30 Sep 2018	0.59%	-0.01%	$2,248,000	63,670	-1,275	-2%	$35.31	Q3 2018
30 Jun 2018	0.52%	0%	$1,787,000	64,945	0		$27.52	Q2 2018
31 Mar 2018	0.54%	+0%	$1,811,000	64,945	+500	+0.78%	$27.89	Q1 2018
31 Dec 2017	0.6%	0%	$2,062,000	64,445	0		$32.00	Q4 2017
30 Sep 2017	0.6%	-0.04%	$1,928,000	64,445	-4,560	-6.6%	$29.92	Q3 2017
30 Jun 2017	0.69%	+0.01%	$2,073,000	69,005	+890	+1.3%	$30.04	Q2 2017
31 Mar 2017	0.63%	-0.02%	$1,839,000	68,115	-1,950	-2.8%	$27.00	Q1 2017
31 Dec 2016	0.58%	-0.04%	$1,700,000	70,065	-4,855	-6.5%	$24.26	Q4 2016
30 Sep 2016	0.63%	-0.05%	$1,772,000	74,920	-5,775	-7.2%	$23.65	Q3 2016
30 Jun 2016	0.59%	-0.01%	$1,653,000	80,695	-2,000	-2.4%	$20.48	Q2 2016
31 Mar 2016	0.64%	-0.13%	$1,727,000	82,695	-16,575	-17%	$20.88	Q1 2016
31 Dec 2015	0.74%	+0.02%	$1,815,000	99,270	+3,325	+3.5%	$18.28	Q4 2015
30 Sep 2015	0.67%	-0.04%	$1,643,000	95,945	-5,150	-5.1%	$17.12	Q3 2015
30 Jun 2015	0.76%	+0.04%	$1,994,000	101,095	+5,650	+5.9%	$19.72	Q2 2015
31 Mar 2015	0.82%	-0.07%	$2,165,000	95,445	-7,850	-7.6%	$22.68	Q1 2015
31 Dec 2014	0.92%	-0.02%	$2,369,000	103,295	-1,700	-1.6%	$22.93	Q4 2014
30 Sep 2014	0.82%	-0.09%	$2,031,000	104,995	-11,055	-9.5%	$19.34	Q3 2014
30 Jun 2014	1%	-0.03%	$2,547,000	116,050	-3,610	-3%	$21.95	Q2 2014
31 Mar 2014	1.1%	-0.03%	$2,491,000	119,660	-3,270	-2.7%	$20.82	Q1 2014
31 Dec 2013	0.97%	0%	$2,191,000	122,930	0		$17.82	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.