MSR
GLW icon

Main Street Research’s Corning GLW Stock Holding History

Main Street Research’s Portfolio GLW Stock Details GLW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$101M Buy
394,058
+6,340
+2% +$1.15M 4.75% 6
2026
Q1 		$52.7M Buy
+387,718
New +$46.8M 3.07% 12

Other funds holding GLW

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
CPC
Cookson Peirce & Co Pittsburgh, Pennsylvania $3.04B AUM 94.11% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
CFB
Cullen/Frost Bankers San Antonio, Texas $10.1B AUM 29.18% 1-Year Est. Return
WHRC
W.H. Reaves & Co Jersey City, New Jersey $6.59B AUM 31.9% 1-Year Est. Return
CAM
Cacti Asset Management Atlanta, Georgia $1.99B AUM 86.33% 1-Year Est. Return
OIAM
OFI Invest Asset Management Paris, France $10B AUM 48.47% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Main Street Research's GLW Position: Q2 2026 in Review

Main Street Research increased its Corning (GLW) stake by 1.6% in Q2 2026, buying an estimated $1.15M and bringing the position to 394,058 shares worth $101M. The position accounts for 4.75% of the portfolio, ranked #6.

Main Street Research first reported a position in GLW in Q1 2026 and has held it in 2 quarters since. 1,141 funds tracked by Wall St. Rank hold GLW as of Q2 2026.

  • Main Street Research held 394,058 shares of Corning worth $101M as of Q2 2026.
  • Main Street Research bought 6,340 Corning shares in Q2 2026, an estimated $1.15M.
  • Corning made up 4.75% of Main Street Research's portfolio in Q2 2026, its #6 holding.
  • Main Street Research first reported a position in Corning in Q1 2026 and has held it in 2 quarters since.
  • 1,141 funds tracked by Wall St. Rank held Corning as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.