BCK Partners
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BCK Partners’s Corning GLW Stock Holding History

BCK Partners’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
Q3 		$4.63M Buy
30,095
+11,382
+61% +$1.81M 2.25% 7
2026
Q2 		$4.78M Sell
18,713
-913
-5% -$166K 2.3% 7
2026
Q1 		$2.67M Sell
19,626
-2,323
-11% -$280K 1.44% 8
2025
Q4 		$1.92M Sell
21,949
-9,456
-30% -$814K 1.04% 8
2025
Q3 		$2.58M Buy
31,405
+3,913
+14% +$256K 1.39% 8
2025
Q2 		$1.45M Buy
27,492
+647
+2% +$30.3K 0.85% 8
2025
Q1 		$1.23M Sell
26,845
-32,564
-55% -$1.61M 0.77% 8
2024
Q4 		$2.82M Sell
59,409
-2,760
-4% -$131K 1.73% 7
2024
Q3 		$2.81M Sell
62,169
-8,692
-12% -$366K 1.34% 8
2024
Q2 		$2.75M Buy
70,861
+38,632
+120% +$1.35M 1.42% 8
2024
Q1 		$1.06M Sell
32,229
-580
-2% -$18.5K 0.57% 11
2023
Q4 		$999K Buy
32,809
+1,323
+4% +$37.8K 0.57% 11
2023
Q3 		$959K Buy
31,486
+96
+0.3% +$3.14K 0.6% 11
2023
Q2 		$1.1M Sell
31,390
-2,773
-8% -$91.2K 0.69% 11
2023
Q1 		$1.21M Sell
34,163
-73
-0.2% -$2.54K 0.78% 12
2022
Q4 		$1.09M Buy
34,236
+1,089
+3% +$35.3K 0.74% 12
2022
Q3 		$962K Sell
33,147
-25
-0.1% -$847 0.7% 14
2022
Q2 		$1.04M Sell
33,172
-840
-2% -$28.9K 0.73% 10
2022
Q1 		$1.26M Sell
34,012
-1,579
-4% -$61.6K 0.77% 10
2021
Q4 		$1.32M Sell
35,591
-2,683
-7% -$100K 0.79% 10
2021
Q3 		$1.4M Hold
38,274
– – 0.89% 10
2021
Q2 		$1.56M Buy
38,274
+451
+1% +$19.7K 1.03% 10
2021
Q1 		$1.75M Sell
37,823
-1,642
-4% -$63.1K 1.25% 10
2020
Q4 		$1.42M Buy
+39,465
New +$1.4M 1.24% 10

Other funds holding GLW

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $91.6B AUM 30% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return
Cacti Asset Management
Cacti Asset Management Atlanta, Georgia $1.89B AUM 58.55% 1-Year Est. Return
Cullen/Frost Bankers
Cullen/Frost Bankers San Antonio, Texas $10.2B AUM 22.58% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $77B AUM 19.24% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
Cookson Peirce & Co
Cookson Peirce & Co Pittsburgh, Pennsylvania $2.77B AUM 64.09% 1-Year Est. Return

BCK Partners's GLW Position: Q3 2026 in Review

BCK Partners increased its Corning (GLW) stake by 61% in Q3 2026, buying an estimated $1.81M and bringing the position to 30,095 shares worth $4.63M. The position accounts for 2.25% of the portfolio, ranked #7.

BCK Partners first reported a position in GLW in Q4 2020 and has held it in 24 quarters since. The position peaked at $4.78M in Q2 2026. 1,072 funds tracked by Wall St. Rank hold GLW as of Q3 2026.

  • BCK Partners held 30,095 shares of Corning worth $4.63M as of Q3 2026.
  • BCK Partners bought 11,382 Corning shares in Q3 2026, an estimated $1.81M.
  • Corning made up 2.25% of BCK Partners's portfolio in Q3 2026, its #7 holding.
  • BCK Partners first reported a position in Corning in Q4 2020 and has held it in 24 quarters since.
  • BCK Partners's Corning position peaked at $4.78M in Q2 2026.
  • 1,072 funds tracked by Wall St. Rank held Corning as of Q3 2026.

Based on BCK Partners's 13F filing for Q3 2026, filed 23 Oct 2026.