Tufton Capital Management

SEC CIK: 0001055963
Latest filing: Jul 27, 2026

SEC filings (opens in a new tab)

GLW holding history

Corning Inc in every 13F filed by Tufton Capital Management, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

GLW overview All 13F holders of GLW Full Q2 2026 holdings

Shares (Q2 2026): 143,707
Value: $36.7M
% of portfolio: 6.2%
Quarters held: 22; Since Q1 2021

Holdings of GLW by Tufton Capital Management, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	143,707	$36.7M	6.2%	−18,088−11.2%	Reduced	Holders
Q1 2026	161,795	$22.0M	4.0%	−22,024−12.0%	Reduced	Holders
Q4 2025	183,819	$16.1M	2.8%	−4,224−2.2%	Reduced	Holders
Q3 2025	188,043	$15.4M	2.7%	−21,512−10.3%	Reduced	Holders
Q2 2025	209,555	$11.0M	2.1%	−8,353−3.8%	Reduced	Holders
Q1 2025	217,908	$9.98M	1.9%	−2,402−1.1%	Reduced	Holders
Q4 2024	220,310	$10.5M	2.0%	−2,624−1.2%	Reduced	Holders
Q3 2024	222,934	$10.1M	1.9%	−7,060−3.1%	Reduced	Holders
Q2 2024	229,994	$8.94M	1.7%	+167+0.1%	Added	Holders
Q1 2024	229,827	$7.58M	1.5%	−2,011−0.9%	Reduced	Holders
Q4 2023	231,838	$7.06M	1.5%	−1,300−0.6%	Reduced	Holders
Q3 2023	233,138	$7.10M	1.6%	−5,145−2.2%	Reduced	Holders
Q2 2023	238,283	$8.35M	1.8%	−5,488−2.3%	Reduced	Holders
Q1 2023	243,771	$8.60M	1.9%	−1,586−0.6%	Reduced	Holders
Q4 2022	245,357	$7.84M	1.7%	−1,620−0.7%	Reduced	Holders
Q3 2022	246,977	$7.17M	1.7%	−56,442−18.6%	Reduced	Holders
Q2 2022	303,419	$9.56M	1.8%	+391+0.1%	Added	Holders
Q1 2022	303,028	$11.2M	1.8%	−1,823−0.6%	Reduced	Holders
Q4 2021	304,851	$11.3M	1.7%	+9,081+3.1%	Added	Holders
Q3 2021	295,770	$10.8M	1.8%	−2,120−0.7%	Reduced	Holders
Q2 2021	297,890	$12.2M	2.0%	−4,461−1.5%	Reduced	Holders
Q1 2021	302,351	$13.2M	2.2%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.