Corning Incorporated
MX ˙ BMV ˙ US2193501051
SecurityMX:GLW / Corning Incorporated
InstitutionPDS Planning, Inc
Latest Disclosed Ownership10,596 shares
Latest Disclosed Value $ 1,440,738
PDS Planning, Inc reports 5.47% increase in ownership of GLW / Corning Incorporated

On April 21, 2026 - PDS Planning, Inc filed a 13F-HR form disclosing ownership of 10,596 shares of Corning Incorporated (MX:GLW) valued at $1,440,738 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 10,046 shares of Corning Incorporated. This represents a change in shares of 5.47% 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.

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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)
2026-04-21 2026-03-31 13F CORNING COM 219350105 10,596 550 5.47 1,441 63.82 0.0950
2026-01-26 2025-12-31 13F CORNING COM 219350105 10,046 1,972 24.42 880 32.78 0.0588
2025-10-21 2025-09-30 13F CORNING COM 219350105 8,074 492 6.49 662 66.33 0.0458
2025-07-24 2025-06-30 13F CORNING COM 219350105 7,582 743 10.86 399 27.16 0.0297
2025-04-24 2025-03-31 13F CORNING COM 219350105 6,839 426 6.64 313 2.96 0.0264
2025-02-10 2024-12-31 13F CORNING COM 219350105 6,413 141 2.25 305 7.42 0.0271
2024-10-30 2024-09-30 13F CORNING COM 219350105 6,272 15 0.24 283 16.46 0.0254
2024-08-08 2024-06-30 13F CORNING COM 219350105 6,257 6,257 243 0.0245
2023-10-20 2023-09-30 13F CORNING COM 219350105 0 -5,954 -100.00 0 -100.00
2023-07-21 2023-06-30 13F CORNING COM 219350105 5,954 251 4.40 209 3.48 0.0267
2023-05-02 2023-03-31 13F CORNING COM 219350105 5,703 5,703 201 0.0277
2022-07-14 2022-06-30 13F CORNING COM 219350105 0 -6,252 -100.00 0 -100.00
2022-04-18 2022-03-31 13F CORNING COM 219350105 6,252 804 14.76 231 13.79 0.0407
2022-01-25 2021-12-31 13F CORNING COM 219350105 5,448 -848 -13.47 203 -11.74 0.0388
2021-10-22 2021-09-30 13F CORNING COM 219350105 6,296 901 16.70 230 4.07 0.0531
2021-07-26 2021-06-30 13F CORNING COM 219350105 5,395 182 3.49 221 -2.64 0.0538
2021-04-20 2021-03-31 13F CORNING COM 219350105 5,213 5,213 227 0.0659
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.