Skip to content
Shameless Cloning

Search Shameless Cloning

Search superinvestors, stocks, insiders and members of Congress

GLW · CUSIP 219350105

Corning, Inc.

Reported by 5 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-10-26.

Managers holding
5
Average portfolio weight
0.9%
Combined reported value
$731.3M
Research group
79

5 of the 79 superinvestors Shameless Cloning tracks reported Corning, Inc. (GLW) in their Q2 2026 13F filings, worth $731.3M combined, at an average 0.9% of their portfolios. The largest positions by portfolio weight belong to Stephen Mandel (4.3%), Mairs & Power Funds (0.2%), Steven Check (0.1%).

Reporting managers

This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.

Managers reporting Corning, Inc.
Manager / SEC filer% of portfolioReported value
Stephen MandelLONE PINE CAPITAL LLC4.3%$696.8M
Mairs & Power FundsMAIRS & POWER INC0.2%$21.8M
Steven CheckCHECK CAPITAL MANAGEMENT INC/CA0.1%$2.6M
Lee AinslieMAVERICK CAPITAL LTD0.0%$1.2M
Dodge & Cox FundsDodge & Cox0.0%$8.9M