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Mariner Investment Group’s Corning GLW Stock Holding History

Mariner Investment Group’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
Q1 		$209K Sell
30,000
-170,000
-85% -$20.5M 0.06% 67
2025
Q4 		$738K Hold
200,000
– – 0.04% 53
2025
Q3 		$805K Buy
+200,000
New +$13.1M 0.24% 32
2014
Q1 		– Sell
-15,000
Closed -$28K – 266
2013
Q4 		$28K Buy
+15,000
New +$247K ﹤0.01% 293

Other funds holding GLW

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return

Mariner Investment Group's GLW Position: Q3 2025 in Review

Mariner Investment Group sold out of Corning (GLW) in Q3 2025, closing a stake of 80,000 shares — an estimated $5.23M sold.

Mariner Investment Group first reported a position in GLW in Q3 2024 and held it in 4 quarters. The position peaked at $4.21M in Q2 2025. 1,740 funds tracked by Wall St. Rank hold GLW as of Q3 2025.

  • Mariner Investment Group reported no remaining Corning position as of Q3 2025 after selling out during the quarter.
  • Mariner Investment Group sold 80,000 Corning shares in Q3 2025, an estimated $5.23M.
  • Mariner Investment Group first reported a position in Corning in Q3 2024 and held it in 4 quarters.
  • Mariner Investment Group's Corning position peaked at $4.21M in Q2 2025.
  • 1,740 funds tracked by Wall St. Rank held Corning as of Q3 2025.

Based on Mariner Investment Group's 13F filing for Q3 2025, filed 14 Nov 2025.