Corning Incorporated
US ˙ NYSE ˙ US2193501051

SecurityGLW / Corning Incorporated
InstitutionLincluden Management Ltd
Latest Disclosed Ownership34,141 shares
Latest Disclosed Value $ 4,642
Lincluden Management Ltd reports 41.59% decrease in ownership of GLW / Corning Incorporated

On May 13, 2026 - Lincluden Management Ltd filed a 13F-HR form disclosing ownership of 34,141 shares of Corning Incorporated (US:GLW) valued at $4,642,152 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 58,455 shares of Corning Incorporated. This represents a change in shares of -41.59% during the quarter. The current value of the position is $6,854,147 USD.

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.

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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)
2026-05-13 2026-03-31 13F CORNING COM 219350105 34,141 -24,314 -41.59 5 -20.00 0.4944
2026-01-30 2025-12-31 13F CORNING COM 219350105 58,455 -5,543 -8.66 5 0.00 0.4348
2025-11-14 2025-09-30 13F CORNING COM 219350105 63,998 -381 -0.59 5 66.67 0.5844
2025-07-25 2025-06-30 13F CORNING COM 219350105 64,379 -756 -1.16 3 50.00 0.3740
2025-05-06 2025-03-31 13F CORNING COM 219350105 65,135 -1,260 -1.90 3 -33.33 0.3789
2025-02-04 2024-12-31 13F CORNING COM 219350105 66,395 -27,340 -29.17 3 -25.00 0.3819
2024-10-28 2024-09-30 13F CORNING COM 219350105 93,735 858 0.92 4 33.33 0.4616
2024-07-24 2024-06-30 13F CORNING COM 219350105 92,877 -2,303 -2.42 4 0.00 0.4382
2024-05-07 2024-03-31 13F CORNING COM 219350105 95,180 -1,142 -1.19 3 50.00 0.3722
2024-02-07 2023-12-31 13F CORNING COM 219350105 96,322 -1,403 -1.44 3 0.00 0.3560
2023-11-08 2023-09-30 13F CORNING COM 219350105 97,725 -1,292 -1.30 3 -33.33 0.3602
2023-08-09 2023-06-30 13F CORNING COM 219350105 99,017 -230 -0.23 3 0.00 0.3997
2023-05-12 2023-03-31 13F CORNING COM 219350105 99,247 -4,701 -4.52 4 0.00 0.3977
2023-02-02 2022-12-31 13F CORNING COM 219350105 103,948 -566 -0.54 3 -99.90 0.3853
2022-11-07 2022-09-30 13F CORNING COM 219350105 104,514 -1,000 -0.95 3,033 -8.78 0.3864
2022-08-08 2022-06-30 13F CORNING COM 219350105 105,514 -2,198 -2.04 3,325 -16.37 0.3639
2022-05-12 2022-03-31 13F CORNING COM 219350105 107,712 -1,930 -1.76 3,976 -2.60 0.3519
2022-02-09 2021-12-31 13F CORNING COM 219350105 109,642 -1,735 -1.56 4,082 0.44 0.3732
2021-11-09 2021-09-30 13F CORNING COM 219350105 111,377 -7,630 -6.41 4,064 -16.50 0.4078
2021-08-12 2021-06-30 13F CORNING COM 219350105 119,007 -12,824 -9.73 4,867 -15.15 0.4669
2021-05-06 2021-03-31 13F CORNING COM 219350105 131,831 -28,300 -17.67 5,736 -0.50 0.5565
2021-02-09 2020-12-31 13F CORNING COM 219350105 160,131 -9,325 -5.50 5,765 4.97 0.6002
2020-10-29 2020-09-30 13F CORNING COM 219350105 169,456 -26,625 -13.58 5,492 8.15 0.5428
2020-08-10 2020-06-30 13F CORNING COM 219350105 196,081 -9,000 -4.39 5,078 20.56 0.5329
2020-05-14 2020-03-31 13F CORNING COM 219350105 205,081 9,575 4.90 4,212 -25.99 0.5078
2020-02-13 2019-12-31 13F CORNING COM 219350105 195,506 605 0.31 5,691 2.37 0.5124
2019-11-05 2019-09-30 13F CORNING COM 219350105 194,901 52,465 36.83 5,559 17.45 0.5155
2019-08-15 2019-06-30 13F CORNING COM 219350105 142,436 -25,570 -15.22 4,733 -14.89 0.3014
2019-05-16 2019-03-31 13F CORNING COM 219350105 168,006 -17,735 -9.55 5,561 -0.89 0.5326
2019-02-01 2018-12-31 13F CORNING COM 219350105 185,741 -114,495 -38.14 5,611 -47.06 0.4312
2018-11-19 2018-09-30 13F CORNING COM 219350105 300,236 -118,150 -28.24 10,598 -7.92 0.8824
2018-08-14 2018-06-30 13F CORNING COM 219350105 418,386 -285 -0.07 11,510 -1.40 0.8395
2018-05-02 2018-03-31 13F CORNING COM 219350105 418,671 -27,730 -6.21 11,673 -18.26 0.9353
2018-02-15 2017-12-31 13F CORNING COM 219350105 446,401 400,505 872.64 14,280 4.00 0.9899
2017-11-02 2017-09-30 13F CORNING COM 219350105 45,896 -413,275 -90.00 13,731 -0.49 1.0647
2017-07-25 2017-06-30 13F CORNING COM 219350105 459,171 -5,135 -1.11 13,798 10.07 1.1891
2017-05-16 2017-03-31 13F CORNING COM 219350105 464,306 36,565 8.55 12,536 20.76 1.1290
2017-03-27 2016-12-31 13F CORNING COM 219350105 427,741 -15,076 -3.40 10,381 -0.88 1.1311
2016-11-17 2016-09-30 13F CORNING COM 219350105 442,817 3,345 0.76 10,473 16.37 1.5388
2016-08-23 2016-06-30 13F CORNING COM 219350105 439,472 2,000 0.46 9,000 -1.52 1.4936
2016-04-21 2016-03-31 13F CORNING COM 219350105 437,472 45,645 11.65 9,139 27.59 1.5432
2016-02-12 2015-12-31 13F CORNING COM 219350105 391,827 -5,005 -1.26 7,163 5.43 1.4550
2015-11-09 2015-09-30 13F CORNING COM 219350105 396,832 -26,780 -6.32 6,794 -18.71 1.3130
2015-07-31 2015-06-30 13F CORNING COM 219350105 423,612 -12,070 -2.77 8,358 -15.41 1.0293
2015-05-05 2015-03-31 13F CORNING COM 219350105 435,682 -217,330 -33.28 9,881 -34.01 1.4101
2015-02-19 2014-12-31 13F/A-1 CORNING COM 219350105 653,012 -29,075 -4.26 14,974 13.51 1.4791
2015-02-17 2014-12-31 13F CORNING COM 219350105 653,012 14,974
2014-11-21 2014-09-30 13F CORNING COM 219350105 682,087 -1,465 -0.21 13,192 -12.08 1.2819
2014-07-18 2014-06-30 13F CORNING COM 219350105 683,552 40,155 6.24 15,004 12.00 1.3687
2014-04-16 2014-03-31 13F CORNING COM 219350105 643,397 -5,799 -0.89 13,396 15.79 1.2581
2014-02-11 2013-12-31 13F CORNING COM 219350105 649,196 11,255 1.76 11,569 24.29 1.0507
2013-11-13 2013-09-30 13F CORNING COM 219350105 637,941 -12,700 -1.95 9,308 0.53 1.1621
2013-08-08 2013-06-30 13F CORNING COM 219350105 650,641 650,641 9,259 0.0213
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.