Corning Incorporated
MX ˙ BMV ˙ US2193501051
SecurityMX:GLW / Corning Incorporated
InstitutionCarret Asset Management, Llc
Latest Disclosed Ownership64,651 shares
Latest Disclosed Value $ 8,790,596
Carret Asset Management, Llc reports 5.22% decrease in ownership of GLW / Corning Incorporated

On May 15, 2026 - Carret Asset Management, Llc filed a 13F-HR form disclosing ownership of 64,651 shares of Corning Incorporated (MX:GLW) valued at $8,790,596 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 68,211 shares of Corning Incorporated. This represents a change in shares of -5.22% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F CORNING COM 219350105 64,651 -3,560 -5.22 8,791 47.19 0.8606
2026-02-17 2025-12-31 13F CORNING COM 219350105 68,211 -1,575 -2.26 5,973 4.33 0.5669
2025-11-13 2025-09-30 13F CORNING COM 219350105 69,786 700 1.01 5,725 57.56 0.5569
2025-08-04 2025-06-30 13F CORNING COM 219350105 69,086 -2,025 -2.85 3,633 11.61 0.3882
2025-04-22 2025-03-31 13F CORNING COM 219350105 71,111 -14,987 -17.41 3,255 -20.44 0.3678
2025-02-10 2024-12-31 13F CORNING COM 219350105 86,098 -6,018 -6.53 4,091 -1.64 0.4481
2024-10-24 2024-09-30 13F CORNING COM 219350105 92,116 -12,970 -12.34 4,159 1.89 0.4512
2024-08-01 2024-06-30 13F CORNING COM 219350105 105,086 -500 -0.47 4,083 17.30 0.4766
2024-04-19 2024-03-31 13F CORNING COM 219350105 105,586 -950 -0.89 3,480 7.27 0.4099
2024-02-02 2023-12-31 13F CORNING COM 219350105 106,536 -1,380 -1.28 3,244 -1.34 0.4132
2023-10-12 2023-09-30 13F CORNING COM 219350105 107,916 -100 -0.09 3,288 -13.11 0.4583
2023-07-25 2023-06-30 13F CORNING COM 219350105 108,016 -5,401 -4.76 3,785 -5.42 0.5018
2023-05-11 2023-03-31 13F CORNING COM 219350105 113,417 -5,600 -4.71 4,001 133,266.67 0.5558
2023-01-10 2022-12-31 13F CORNING COM 219350105 119,017 -250 -0.21 4 -99.91 0.5253
2022-11-14 2022-09-30 13F/A-1 CORNING COM 219350105 119,267 -300 -0.25 3,461 -8.15 0.5164
2022-10-11 2022-09-30 13F CORNING COM 219350105 119,267 -300 3,461 0.5164
2022-08-04 2022-06-30 13F CORNING COM 219350105 119,567 -780 -0.65 3,768 -15.17 0.5226
2022-04-13 2022-03-31 13F CORNING COM 219350105 120,347 -1,941 -1.59 4,442 -2.44 0.5085
2022-01-10 2021-12-31 13F CORNING COM 219350105 122,288 -6,850 -5.30 4,553 -3.37 0.5040
2021-10-27 2021-09-30 13F CORNING COM 219350105 129,138 -3,100 -2.34 4,712 -12.89 0.5622
2021-07-14 2021-06-30 13F CORNING COM 219350105 132,238 -9,002 -6.37 5,409 -11.98 0.6330
2021-07-14 2021-03-31 13F CORNING COM 219350105 141,240 -200 -0.14 6,145 20.68 0.7622
2021-03-16 2020-12-31 13F CORNING COM 219350105 141,440 -2,465 -1.71 5,092 9.18 0.6856
2020-11-16 2020-09-30 13F CORNING COM 219350105 143,905 -200 -0.14 4,664 24.97 0.7051
2020-08-12 2020-06-30 13F CORNING COM 219350105 144,105 1,670 1.17 3,732 27.55 0.6054
2020-05-18 2020-03-31 13F CORNING COM 219350105 142,435 -1,863 -1.29 2,926 -30.35 0.5617
2020-02-13 2019-12-31 13F CORNING COM 219350105 144,298 400 0.28 4,201 2.36 0.6128
2019-11-13 2019-09-30 13F CORNING COM 219350105 143,898 -90 -0.06 4,104 -14.23 0.6512
2019-08-12 2019-06-30 13F CORNING COM 219350105 143,988 -710 -0.49 4,785 -0.10 0.7602
2019-05-15 2019-03-31 13F CORNING COM 219350105 144,698 -6,370 -4.22 4,790 4.95 0.7814
2019-02-13 2018-12-31 13F CORNING COM 219350105 151,068 -1,675 -1.10 4,564 -15.36 0.8221
2018-11-13 2018-09-30 13F CORNING COM 219350105 152,743 -23,700 -13.43 5,392 11.08 0.8300
2018-08-08 2018-06-30 13F CORNING COM 219350105 176,443 -1,500 -0.84 4,854 -2.16 0.7932
2018-05-14 2018-03-31 13F CORNING COM 219350105 177,943 -2,275 -1.26 4,961 -13.95 0.8163
2018-02-13 2017-12-31 13F CORNING COM 219350105 180,218 -4,290 -2.33 5,765 4.44 0.8968
2017-11-14 2017-09-30 13F CORNING COM 219350105 184,508 -5,710 -3.00 5,520 -3.43 0.8910
2017-08-15 2017-06-30 13F CORNING COM 219350105 190,218 16,205 9.31 5,716 21.67 0.9593
2017-05-08 2017-03-31 13F CORNING COM 219350105 174,013 -8,700 -4.76 4,698 5.95 0.8431
2017-02-16 2016-12-31 13F CORNING COM 219350105 182,713 -22,140 -10.81 4,434 -8.48 0.8401
2016-11-10 2016-09-30 13F CORNING COM 219350105 204,853 -12,800 -5.88 4,845 8.68 0.9064
2016-08-10 2016-06-30 13F CORNING COM 219350105 217,653 -4,500 -2.03 4,458 -3.94 0.8617
2016-05-17 2016-03-31 13F CORNING COM 219350105 222,153 1,125 0.51 4,641 14.88 0.9851
2016-02-05 2015-12-31 13F CORNING COM 219350105 221,028 -3,300 -1.47 4,040 5.18 0.8621
2015-11-16 2015-09-30 13F CORNING COM 219350105 224,328 5,102 2.33 3,841 -11.19 0.8380
2015-08-12 2015-06-30 13F CORNING COM 219350105 219,226 -620 -0.28 4,325 -13.26 0.8592
2015-05-11 2015-03-31 13F CORNING COM 219350105 219,846 -8,050 -3.53 4,986 -4.59 0.9688
2015-02-19 2014-12-31 13F CORNING COM 219350105 227,896 1,823 0.81 5,226 19.53 0.9889
2014-11-12 2014-09-30 13F CORNING COM 219350105 226,073 -850 -0.37 4,372 -12.23 0.8487
2014-08-14 2014-06-30 13F CORNING COM 219350105 226,923 -4,300 -1.86 4,981 3.47 0.9536
2014-05-15 2014-03-31 13F CORNING COM 219350105 231,223 400 0.17 4,814 17.04 0.9610
2014-02-14 2013-12-31 13F CORNING COM 219350105 230,823 2,450 1.07 4,113 23.44 0.8403
2013-11-14 2013-09-30 13F CORNING COM 219350105 228,373 9,530 4.35 3,332 7.00 0.7394
2013-08-15 2013-06-30 13F CORNING COM 219350105 218,843 8,700 4.14 3,114 11.17 0.6469
2013-05-21 2013-03-31 13F CORNING COM 219350105 210,143 210,143 2,801 0.5871
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.