Primecap Management
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Primecap Management’s Corning GLW Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$262M Sell
4,984,372
-3,267,400
-40% -$172M 0.21% 90
2025
Q1
$378M Sell
8,251,772
-73,900
-0.9% -$3.38M 0.31% 67
2024
Q4
$396M Sell
8,325,672
-232,847
-3% -$11.1M 0.31% 69
2024
Q3
$386M Sell
8,558,519
-3,500
-0% -$158K 0.28% 74
2024
Q2
$333M Sell
8,562,019
-160,100
-2% -$6.22M 0.24% 76
2024
Q1
$287M Buy
8,722,119
+43,300
+0.5% +$1.43M 0.21% 84
2023
Q4
$264M Sell
8,678,819
-85,900
-1% -$2.62M 0.21% 85
2023
Q3
$267M Sell
8,764,719
-49,400
-0.6% -$1.51M 0.23% 81
2023
Q2
$309M Sell
8,814,119
-95,800
-1% -$3.36M 0.26% 79
2023
Q1
$314M Sell
8,909,919
-204,000
-2% -$7.2M 0.27% 81
2022
Q4
$291M Sell
9,113,919
-122,600
-1% -$3.92M 0.27% 77
2022
Q3
$268M Sell
9,236,519
-113,700
-1% -$3.3M 0.26% 82
2022
Q2
$295M Sell
9,350,219
-506,100
-5% -$15.9M 0.26% 81
2022
Q1
$364M Sell
9,856,319
-159,800
-2% -$5.9M 0.27% 81
2021
Q4
$373M Sell
10,016,119
-606,400
-6% -$22.6M 0.26% 86
2021
Q3
$388M Sell
10,622,519
-391,468
-4% -$14.3M 0.27% 83
2021
Q2
$450M Sell
11,013,987
-745,238
-6% -$30.5M 0.3% 81
2021
Q1
$512M Sell
11,759,225
-681,700
-5% -$29.7M 0.36% 75
2020
Q4
$448M Sell
12,440,925
-373,650
-3% -$13.5M 0.33% 72
2020
Q3
$415M Sell
12,814,575
-690,300
-5% -$22.4M 0.34% 68
2020
Q2
$350M Sell
13,504,875
-455,400
-3% -$11.8M 0.3% 74
2020
Q1
$287M Sell
13,960,275
-1,066,800
-7% -$21.9M 0.28% 75
2019
Q4
$437M Sell
15,027,075
-286,000
-2% -$8.33M 0.32% 75
2019
Q3
$437M Sell
15,313,075
-134,876
-0.9% -$3.85M 0.35% 70
2019
Q2
$513M Sell
15,447,951
-190,476
-1% -$6.33M 0.38% 71
2019
Q1
$518M Sell
15,638,427
-175,446
-1% -$5.81M 0.38% 70
2018
Q4
$478M Sell
15,813,873
-239,050
-1% -$7.22M 0.39% 67
2018
Q3
$567M Sell
16,052,923
-240,300
-1% -$8.48M 0.38% 67
2018
Q2
$448M Sell
16,293,223
-76,280
-0.5% -$2.1M 0.33% 70
2018
Q1
$456M Sell
16,369,503
-603,253
-4% -$16.8M 0.34% 70
2017
Q4
$543M Sell
16,972,756
-265,700
-2% -$8.5M 0.42% 62
2017
Q3
$516M Sell
17,238,456
-1,003,000
-5% -$30M 0.43% 60
2017
Q2
$548M Sell
18,241,456
-428,450
-2% -$12.9M 0.47% 59
2017
Q1
$504M Sell
18,669,906
-97,494
-0.5% -$2.63M 0.46% 59
2016
Q4
$455M Sell
18,767,400
-17,500
-0.1% -$425K 0.45% 59
2016
Q3
$444M Sell
18,784,900
-432,800
-2% -$10.2M 0.44% 60
2016
Q2
$394M Sell
19,217,700
-160,800
-0.8% -$3.29M 0.42% 65
2016
Q1
$405M Buy
19,378,500
+31,800
+0.2% +$664K 0.42% 63
2015
Q4
$354M Sell
19,346,700
-45,000
-0.2% -$823K 0.36% 67
2015
Q3
$332M Sell
19,391,700
-472,600
-2% -$8.09M 0.37% 65
2015
Q2
$392M Buy
19,864,300
+36,450
+0.2% +$719K 0.39% 65
2015
Q1
$450M Buy
19,827,850
+10,000
+0.1% +$227K 0.44% 58
2014
Q4
$454M Sell
19,817,850
-8,100
-0% -$186K 0.46% 58
2014
Q3
$383M Hold
19,825,950
0.41% 63
2014
Q2
$435M Sell
19,825,950
-157,200
-0.8% -$3.45M 0.48% 59
2014
Q1
$416M Sell
19,983,150
-37,600
-0.2% -$783K 0.47% 63
2013
Q4
$357M Sell
20,020,750
-12,300
-0.1% -$219K 0.43% 65
2013
Q3
$292M Buy
20,033,050
+121,200
+0.6% +$1.77M 0.38% 70
2013
Q2
$283M Buy
+19,911,850
New +$283M 0.41% 66