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Ken Griffin's Corning Inc (GLW) position

Yes: as of Q1 2026, Ken Griffin holds 832K shares of GLW worth $113M (0.1% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$113M
Shares held
832K
% of portfolio
0.1%
Est. average buy price (i)
$106.30
est. since Q1 2021
Quarter-end price
$135.97

Estimated trade prices

Average price in quarters with purchases
$43.49
Average prices in quarters with sales
  • Q4 2025: $86.20 (288K shares sold)
  • Q2 2025: $46.82 (2.8M shares sold)
  • Q1 2025: $49.38 (1.4M shares sold)
  • Q1 2024: $31.84 (427K shares sold)
  • Q3 2023: $32.71 (84K shares sold)
  • Q2 2023: $32.87 (273K shares sold)
  • Q1 2023: $34.78 (1.6M shares sold)
  • Q4 2022: $32.44 (970K shares sold)
  • Q2 2022: $34.46 (1.1M shares sold)
  • Q2 2021: $43.59 (1.1M shares sold)

GLW price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$20$50$100$150$200$25020222023202420252026Added 112K shares (50.6%) · Q3 2021. Average closing price $39.93 · Price range $36.49–$41.86112KsharespurchasedAdded 87K shares (26.1%) · Q4 2021. Average closing price $37.45 · Price range $35.39–$39.4387KsharespurchasedAdded 1.1M shares (262.4%) · Q1 2022. Average closing price $39.02 · Price range $35.06–$42.951.1MsharespurchasedSold 1.1M shares (74.6%) · Q2 2022. Average closing price $34.46 · Price range $31.37–$37.271.1MsharessoldAdded 2.7M shares (690.4%) · Q3 2022. Average closing price $33.87 · Price range $29.02–$37.542.7MsharespurchasedSold 970K shares (31.8%) · Q4 2022. Average closing price $32.44 · Price range $29.87–$34.46970KsharessoldSold 1.6M shares (76.6%) · Q1 2023. Average closing price $34.78 · Price range $32.54–$36.801.6MsharessoldSold 273K shares (56.3%) · Q2 2023. Average closing price $32.87 · Price range $30.63–$35.85273KsharessoldSold 84K shares (39.8%) · Q3 2023. Average closing price $32.71 · Price range $30.06–$35.8284KsharessoldAdded 367K shares (287.2%) · Q4 2023. Average closing price $28.59 · Price range $26.59–$30.63367KsharespurchasedSold 427K shares (86.2%) · Q1 2024. Average closing price $31.84 · Price range $29.85–$33.38427KsharessoldAdded 2.6M shares (over 1,000%) · Q2 2024. Average closing price $34.93 · Price range $30.91–$40.212.6MsharespurchasedAdded 641K shares (23.8%) · Q3 2024. Average closing price $42.07 · Price range $37.76–$46.20641KsharespurchasedAdded 1.0M shares (31.2%) · Q4 2024. Average closing price $47.37 · Price range $44.11–$49.761.0MsharespurchasedSold 1.4M shares (32.0%) · Q1 2025. Average closing price $49.38 · Price range $44.91–$54.251.4MsharessoldSold 2.8M shares (93.6%) · Q2 2025. Average closing price $46.82 · Price range $39.07–$52.592.8MsharessoldAdded 275K shares (143.2%) · Q3 2025. Average closing price $65.36 · Price range $51.60–$82.03275KsharespurchasedSold 288K shares (61.6%) · Q4 2025. Average closing price $86.20 · Price range $78.03–$95.99288KsharessoldAdded 653K shares (365.0%) · Q1 2026. Average closing price $120.50 · Price range $84.17–$161.66653Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$120.50
Price range · filing quarter
$84.17 – $161.66
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +653K +$79M +365.0% 832K May 15, 2026
Q4 2025 Reduced −288K −$25M −61.6% 179K Feb 17, 2026
Q3 2025 Added +275K +$18M +143.2% 467K Nov 14, 2025
Q2 2025 Reduced −2.8M −$131M −93.6% 192K Aug 14, 2025
Q1 2025 Reduced −1.4M −$69M −32.0% 3.0M May 15, 2025
Q4 2024 Added +1.0M +$49M +31.2% 4.4M Feb 14, 2025
Q3 2024 Added +641K +$27M +23.8% 3.3M Nov 14, 2024
Q2 2024 Added +2.6M +$92M +3,862.4% 2.7M Aug 14, 2024
Q1 2024 Reduced −427K −$14M −86.2% 68K May 15, 2024
Q4 2023 Added +367K +$10M +287.2% 495K Feb 14, 2024
Q3 2023 Reduced −84K −$2.8M −39.8% 128K Nov 14, 2023
Q2 2023 Reduced −273K −$9.0M −56.3% 212K Aug 14, 2023
Q1 2023 Reduced −1.6M −$55M −76.6% 486K May 15, 2023
Q4 2022 Reduced −970K −$31M −31.8% 2.1M Feb 14, 2023
Q3 2022 Added +2.7M +$90M +690.4% 3.0M Nov 14, 2022
Q2 2022 Reduced −1.1M −$39M −74.6% 386K Aug 15, 2022
Q1 2022 Added +1.1M +$43M +262.4% 1.5M May 16, 2022
Q4 2021 Added +87K +$3.2M +26.1% 419K Feb 14, 2022
Q3 2021 Added +112K +$4.5M +50.6% 332K Nov 15, 2021
Q2 2021 Reduced −1.1M −$47M −83.0% 221K Aug 16, 2021
Q1 2021 First covered – – – 1.3M May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

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Common questions

Does Ken Griffin own GLW?

Yes. As of Q1 2026, Ken Griffin disclosed 832K shares of GLW, worth $113M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy GLW?

Ken Griffin held GLW since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell GLW?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in GLW. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of GLW does Ken Griffin own?

Ken Griffin disclosed 832K shares of GLW as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for GLW?

Ken Griffin began building the GLW position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.