Parthenon LLC

SEC CIK: 0001088859
Latest filing: Jul 23, 2026

SEC filings (opens in a new tab)

GLW holding history

Corning Inc in every 13F filed by Parthenon LLC, 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): 228,865
Value: $58.5M
% of portfolio: 6.1%
Quarters held: 22; Since Q1 2021

Holdings of GLW by Parthenon LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	228,865	$58.5M	6.1%	−1,750−0.8%	Reduced	Holders
Q1 2026	230,615	$31.4M	3.6%	−350.0%	Reduced	Holders
Q4 2025	230,650	$20.2M	2.2%	−1,993−0.9%	Reduced	Holders
Q3 2025	232,643	$19.1M	2.1%	−10,932−4.5%	Reduced	Holders
Q2 2025	243,575	$12.8M	1.5%	−1,500−0.6%	Reduced	Holders
Q1 2025	245,075	$11.2M	1.4%	−1,504−0.6%	Reduced	Holders
Q4 2024	246,579	$11.7M	1.4%	−6,825−2.7%	Reduced	Holders
Q3 2024	253,404	$11.4M	1.4%	−4,973−1.9%	Reduced	Holders
Q2 2024	258,377	$10.0M	1.3%	−7,030−2.6%	Reduced	Holders
Q1 2024	265,407	$8.75M	1.1%	−9,220−3.4%	Reduced	Holders
Q4 2023	274,627	$8.36M	1.2%	−4,085−1.5%	Reduced	Holders
Q3 2023	278,712	$8.49M	1.3%	−4,654−1.6%	Reduced	Holders
Q2 2023	283,366	$9.93M	1.4%	−1,800−0.6%	Reduced	Holders
Q1 2023	285,166	$10.1M	1.5%	−2,150−0.7%	Reduced	Holders
Q4 2022	287,316	$9.18M	1.5%	−1,382−0.5%	Reduced	Holders
Q3 2022	288,698	$8.38M	1.5%	−700−0.2%	Reduced	Holders
Q2 2022	289,398	$9.12M	1.5%	−3,650−1.2%	Reduced	Holders
Q1 2022	293,048	$10.8M	1.6%	−575−0.2%	Reduced	Holders
Q4 2021	293,623	$10.9M	1.5%	−8,345−2.8%	Reduced	Holders
Q3 2021	301,968	$11.0M	1.7%	−975−0.3%	Reduced	Holders
Q2 2021	302,943	$12.4M	1.9%	+1050.0%	Added	Holders
Q1 2021	302,838	$13.2M	2.1%	–	–	Holders

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