Corning Incorporated
MX ˙ BMV ˙ US2193501051
SecurityMX:GLW / Corning Incorporated
InstitutionSquarepoint Ops LLC
Latest Disclosed Ownership922,398 shares
Latest Disclosed Value $ 125,418,456
Squarepoint Ops LLC ownership in GLW / Corning Incorporated

On May 15, 2026 - Squarepoint Ops LLC filed a 13F-HR form disclosing ownership of 922,398 shares of Corning Incorporated (MX:GLW) valued at $125,418,456 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 20,792 shares of Corning Incorporated. This represents a change in shares of 4,336.31% during the quarter.

Squarepoint Ops LLC has a history of taking positions in derivatives of the underlying security (GLW) in the form of stock options. The firm currently holds call options representing 221,200 of underlying shares valued at $30,076,564 USD and put options representing 348,100 of underlying shares valued at $47,331,157 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:GLW / Corning Incorporated Historical Put/Call Ratio
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 922,398 901,606 4,336.31 125,418 6,791.10 0.1473
2026-02-13 2025-12-31 13F CORNING COM 219350105 20,792 0 0.00 1,821 6.74 0.0019
2025-11-14 2025-09-30 13F CORNING COM 219350105 20,792 -2,630,148 -99.22 1,706 -98.78 0.0017
2025-08-27 2025-06-30 13F/A-1 CORNING COM 219350105 2,650,940 -54,323 -2.01 139,413 12.57 0.1450
2025-08-14 2025-06-30 13F CORNING COM 219350105 2,650,940 -54,323 139,413 0.1450
2025-08-27 2025-03-31 13F/A-1 CORNING COM 219350105 2,705,263 920,195 51.55 123,847 46.00 0.1503
2025-05-15 2025-03-31 13F CORNING COM 219350105 2,705,263 920,195 123,847 0.1503
2025-02-14 2024-12-31 13F CORNING COM 219350105 1,785,068 -35,784 -1.97 84,826 3.18 0.0837
2024-11-14 2024-09-30 13F CORNING COM 219350105 1,820,852 367,080 25.25 82,211 45.56 0.1286
2024-08-14 2024-06-30 13F CORNING COM 219350105 1,453,772 641,420 78.96 56,479 110.94 0.0933
2024-05-15 2024-03-31 13F CORNING COM 219350105 812,352 -66,294 -7.55 26,775 0.08 0.0461
2024-02-14 2023-12-31 13F CORNING COM 219350105 878,646 666,942 315.04 26,755 314.79 0.0506
2023-11-14 2023-09-30 13F CORNING COM 219350105 211,704 181,883 609.92 6,451 517.82 0.0159
2023-08-14 2023-06-30 13F CORNING COM 219350105 29,821 29,821 1,045 0.0032
2023-02-14 2022-12-31 13F CORNING COM 219350105 0 -90,388 -100.00 0 -100.00
2022-11-14 2022-09-30 13F CORNING COM 219350105 90,388 -61,452 -40.47 2,623 -45.17 0.0132
2022-08-15 2022-06-30 13F CORNING COM 219350105 151,840 -154,028 -50.36 4,784 -57.63 0.0266
2022-05-16 2022-03-31 13F CORNING COM 219350105 305,868 213,299 230.42 11,290 227.63 0.0483
2022-02-14 2021-12-31 13F CORNING COM 219350105 92,569 77,576 517.41 3,446 529.98 0.0091
2021-11-15 2021-09-30 13F CORNING COM 219350105 14,993 -193,878 -92.82 547 -93.60 0.0016
2021-08-16 2021-06-30 13F CORNING COM 219350105 208,871 77,388 58.86 8,543 49.33 0.0325
2021-05-17 2021-03-31 13F CORNING COM 219350105 131,483 -398,187 -75.18 5,721 -70.00 0.0335
2021-02-16 2020-12-31 13F CORNING COM 219350105 529,670 529,670 19,068 0.1423
2019-08-14 2019-06-30 13F CORNING COM 219350105 0 -288,226 -100.00 0 -100.00
2019-05-15 2019-03-31 13F CORNING COM 219350105 288,226 288,226 9,540 0.1010
2019-02-14 2018-12-31 13F CORNING COM 219350105 0 -57,146 -100.00 0 -100.00
2018-11-14 2018-09-30 13F CORNING COM 219350105 57,146 57,146 2,017 0.0241
2018-05-15 2018-03-31 13F CORNING COM 219350105 0 -311,829 -100.00 0 -100.00
2018-02-14 2017-12-31 13F CORNING COM 219350105 311,829 273,251 708.31 9,975 764.38 0.1738
2017-11-14 2017-09-30 13F CORNING COM 219350105 38,578 38,578 1,154 0.0222
2017-08-14 2017-06-30 13F CORNING COM 219350105 0 -523,735 -100.00 0 -100.00
2017-05-15 2017-03-31 13F CORNING COM 219350105 523,735 413,607 375.57 14,141 429.03 0.3900
2017-02-14 2016-12-31 13F CORNING COM 219350105 110,128 -86,213 -43.91 2,673 -42.43 0.1093
2016-11-14 2016-09-30 13F CORNING COM 219350105 196,341 -74,866 -27.60 4,643 -16.40 0.3082
2016-08-15 2016-06-30 13F CORNING COM 219350105 271,207 256,050 1,689.32 5,554 1,652.05 0.3466
2016-05-16 2016-03-31 13F CORNING COM 219350105 15,157 -174,807 -92.02 317 -90.87 0.0246
2016-02-16 2015-12-31 13F CORNING COM 219350105 189,964 189,964 0.00 3,473 0.3809
2015-11-16 2015-09-30 13F CORNING COM 219350105 0 -48,009 -100.00 0 -100.00
2015-08-14 2015-06-30 13F CORNING COM 219350105 48,009 9,886 25.93 947 9.48 0.3073
2015-05-19 2015-03-31 13F/A-1 CORNING COM 219350105 38,123 38,123 865 0.3029
2015-05-15 2015-03-31 13F CORNING COM 219350105 38,123 865 0.3029
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F CORNING COM Call 221,200 -64.24 30,077 -44.46 n/a n/a n/a
2026-02-13 2025-12-31 13F CORNING COM Call 618,500 40.44 54,156 49.91 n/a n/a n/a
2025-11-14 2025-09-30 13F CORNING COM Call 440,400 217.29 36,126 394.94 n/a n/a n/a
2025-08-27 2025-06-30 13F/A CORNING COM Call 138,800 -77.52 7,299 -74.18 n/a n/a n/a
2025-08-14 2025-06-30 13F CORNING COM Call 138,800 7,299 n/a n/a n/a
2025-08-27 2025-03-31 13F/A CORNING COM Call 617,500 245.55 28,269 232.93 n/a n/a n/a
2025-05-15 2025-03-31 13F CORNING COM Call 617,500 28,269 n/a n/a n/a
2025-02-14 2024-12-31 13F CORNING COM Call 178,700 55.26 8,492 63.41 n/a n/a n/a
2024-11-14 2024-09-30 13F CORNING COM Call 115,100 -52.77 5,197 -45.11 n/a n/a n/a
2024-08-14 2024-06-30 13F CORNING COM Call 243,700 -48.45 9,468 -39.24 n/a n/a n/a
2024-05-15 2024-03-31 13F CORNING COM Call 472,700 120.99 15,580 139.21 n/a n/a n/a
2024-02-14 2023-12-31 13F CORNING COM Call 213,900 6,513 n/a n/a n/a
2023-11-14 2023-09-30 13F CORNING COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-08-14 2023-06-30 13F CORNING COM Call 89,500 -49.86 3,136 -50.20 n/a n/a n/a
2023-05-15 2023-03-31 13F CORNING COM Call 178,500 669.40 6,297 749.80 n/a n/a n/a
2023-02-14 2022-12-31 13F CORNING COM Call 23,200 5.45 741 16.14 n/a n/a n/a
2022-11-14 2022-09-30 13F CORNING COM Call 22,000 -92.85 638 -93.42 n/a n/a n/a
2022-08-15 2022-06-30 13F CORNING COM Call 307,500 26.65 9,689 8.11 n/a n/a n/a
2022-05-16 2022-03-31 13F CORNING COM Call 242,800 8,962 n/a n/a n/a
2022-02-14 2021-12-31 13F CORNING COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-15 2021-09-30 13F CORNING COM Call 19,700 114.13 719 91.22 n/a n/a n/a
2021-08-16 2021-06-30 13F CORNING COM Call 9,200 -33.81 376 -37.85 n/a n/a n/a
2021-05-17 2021-03-31 13F CORNING COM Call 13,900 26.36 605 52.78 n/a n/a n/a
2021-02-16 2020-12-31 13F CORNING COM Call 11,000 396 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F CORNING COM Put 348,100 -55.04 47,331 -30.18 n/a n/a n/a
2026-02-13 2025-12-31 13F CORNING COM Put 774,200 249.84 67,789 273.43 n/a n/a n/a
2025-11-14 2025-09-30 13F CORNING COM Put 221,300 325.58 18,153 563.97 n/a n/a n/a
2025-08-27 2025-06-30 13F/A CORNING COM Put 52,000 -40.91 2,735 -32.13 n/a n/a n/a
2025-08-14 2025-06-30 13F CORNING COM Put 52,000 2,735 n/a n/a n/a
2025-08-27 2025-03-31 13F/A CORNING COM Put 88,000 -66.21 4,029 -67.45 n/a n/a n/a
2025-05-15 2025-03-31 13F CORNING COM Put 88,000 4,029 n/a n/a n/a
2025-02-14 2024-12-31 13F CORNING COM Put 260,400 37.27 12,374 44.49 n/a n/a n/a
2024-11-14 2024-09-30 13F CORNING COM Put 189,700 -51.55 8,565 -43.69 n/a n/a n/a
2024-08-14 2024-06-30 13F CORNING COM Put 391,500 254.62 15,210 318.06 n/a n/a n/a
2024-05-15 2024-03-31 13F CORNING COM Put 110,400 -10.46 3,639 -3.09 n/a n/a n/a
2024-02-14 2023-12-31 13F CORNING COM Put 123,300 3,754 n/a n/a n/a
2023-11-14 2023-09-30 13F CORNING COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-08-14 2023-06-30 13F CORNING COM Put 73,100 -50.37 2,561 -50.71 n/a n/a n/a
2023-05-15 2023-03-31 13F CORNING COM Put 147,300 944.68 5,197 1,054.67 n/a n/a n/a
2023-02-14 2022-12-31 13F CORNING COM Put 14,100 9.30 450 20.32 n/a n/a n/a
2022-11-14 2022-09-30 13F CORNING COM Put 12,900 -81.93 374 -83.38 n/a n/a n/a
2022-08-15 2022-06-30 13F CORNING COM Put 71,400 -26.32 2,250 -37.10 n/a n/a n/a
2022-05-16 2022-03-31 13F CORNING COM Put 96,900 3,577 n/a n/a n/a
2022-02-14 2021-12-31 13F CORNING COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-15 2021-09-30 13F CORNING COM Put 19,700 114.13 719 91.22 n/a n/a n/a
2021-08-16 2021-06-30 13F CORNING COM Put 9,200 -33.81 376 -37.85 n/a n/a n/a
2021-05-17 2021-03-31 13F CORNING COM Put 13,900 26.36 605 52.78 n/a n/a n/a
2021-02-16 2020-12-31 13F CORNING COM Put 11,000 396 n/a n/a n/a
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.