GLW

CORNING INC

$135.97

Closing price as of Mar 31, 2026

17 superinvestors own GLW

Based on latest 13F filings — data is 45–90 days delayed

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Stephen Mandel	Lone Pine Capital	4.03%	3,718,147	$505.6M	2026Q1	New
Valley Forge Capital Management	Valley Forge Capital Management	2.24%	433,587	$7.0M	2010Q2	Reduced
Viking Global Investors	Viking Global Investors	2.07%	3,611,000	$92.3M	2007Q2	New
Bill Miller	Miller Value Partners	1.46%	1,149,350	$14.9M	2011Q4	New
Hillman Capital Management	Hillman Value Fund	1.44%	54,208	$966K	2013Q4	Added
Lee Ainslie	Maverick Capital	0.59%	374,507	$50.9M	2026Q1	New
David Katz	Matrix Asset Advisors	0.45%	182,151	$3.8M	2014Q1	Reduced
Ruane Cunniff	Sequoia Fund	0.37%	4,187,155	$55.8M	2013Q1	Reduced
William Von Mueffling	Cantillon Capital Management	0.36%	561,770	$8.8M	2008Q3	Held
Meridian / ArrowMark	Meridian Contrarian Fund	0.36%	108,700	$2.2M	2011Q1	Reduced
David Einhorn	Greenlight Capital	0.16%	296,341	$3.9M	2009Q1	Held
Robert Olstein	Olstein Capital Management	0.15%	5,000	$680	2026Q1	Reduced
Mairs & Power	Mairs & Power Growth Fund	0.12%	88,250	$12.0M	2026Q1	Reduced
Bill Nygren	Oakmark Select Fund – Harris Associates	0.06%	0	$74.0M	2011Q4	Held
Kenneth Fisher	Fisher Asset Management	0.00%	14,748	$2.0M	2026Q1	Added
Dodge & Cox	Dodge & Cox	0.00%	36,325	$4.9M	2026Q1	Reduced
First Eagle Investment Management	First Eagle Investment Management	0.00%	40	$1K	2017Q4	Held

Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months

No open-market insider trades in the last 12 months.

Form 4 filings for option exercises and other transaction types are excluded.

STOCK Act disclosures · last 12 months

Congressional trade data coming soon.

We are sourcing STOCK Act disclosures and will display them here shortly.

What Is SEC Form 4?

Understand the insider trade filings behind GLW activity.

What Is a 13F Filing?

How superinvestors disclose their quarterly holdings.

Insider Cluster Buying

Why multiple insiders buying together is a strong signal.

Superinvestor Consensus

The most widely held stocks across all tracked institutions.