Save your place

Sign in to WhoBought

Please try again later.

Joel Greenblatt's Corning Inc (GLW) position

Yes: as of Q1 2026, Joel Greenblatt holds 53K shares of GLW worth $7.2M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
View full portfolio →
Current value
$7.2M
Shares held
53K
% of portfolio
0.0%
Est. average buy price (i)
$80.94
Quarter-end price
$135.97

Estimated trade prices

Average price in quarters with purchases
$42.31
Average prices in quarters with sales
  • Q2 2025: $46.82 (11K shares sold)
  • Q3 2022: $33.87 (74K shares sold)
  • Q2 2022: $34.46 (57K shares sold)
  • Q4 2021: $37.45 (61K shares sold)

GLW price vs Greenblatt's position

Dates
$50$100$150$200$250$3002026Added 14K shares (119.3%) · Q3 2025. Average closing price $65.36 · Price range $51.60–$82.0314KsharespurchasedAdded 15K shares (58.4%) · Q4 2025. Average closing price $86.20 · Price range $78.03–$95.9915KsharespurchasedAdded 13K shares (32.0%) · Q1 2026. Average closing price $120.50 · Price range $84.17–$161.6613Ksharespurchased← Earlier —8 purchases, 4 sells
Average closing price · filing quarter
$120.50
Price range · filing quarter
$84.17 – $161.66

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +13K +$1.6M +32.0% 53K May 15, 2026
Q4 2025 Added +15K +$1.3M +58.4% 40K Feb 17, 2026
Q3 2025 Added +14K +$905K +119.3% 25K Nov 14, 2025
Q2 2025 Reduced −11K −$499K −47.9% 12K Aug 14, 2025
Q1 2025 Added +16K +$781K +245.2% 22K May 15, 2025
Q4 2024 New +6K +$306K 6K Feb 14, 2025
Q2 2024 New +23K +$801K 23K Aug 14, 2024
Q4 2023 New +103K +$2.9M 103K Feb 14, 2024
Q4 2022 Added +42K +$1.4M +50.0% 127K Feb 14, 2023
Q3 2022 Reduced −74K −$2.5M −46.7% 85K Nov 14, 2022
Q2 2022 Reduced −57K −$2.0M −26.5% 159K Aug 15, 2022
Q1 2022 Added +60K +$2.4M +38.8% 216K May 16, 2022
Q4 2021 Reduced −61K −$2.3M −28.0% 156K Feb 14, 2022
Q3 2021 Added +28K +$1.1M +15.1% 216K Nov 15, 2021
Q2 2021 Added +108K +$4.7M +134.8% 188K Aug 16, 2021
Q1 2021 First covered 80K May 17, 2021
Data through Q1 2026 · filed May 15, 2026
16 grouped rows from 16 quarters

More Greenblatt positions

Common questions

Does Joel Greenblatt own GLW?

Yes. As of Q1 2026, Joel Greenblatt disclosed 53K shares of GLW, worth $7.2M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy GLW?

Joel Greenblatt 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 Joel Greenblatt sell GLW?

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

How many shares of GLW does Joel Greenblatt own?

Joel Greenblatt disclosed 53K shares of GLW as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for GLW?

Joel Greenblatt's estimated average buy price for GLW is $80.94, from quarter-average prices weighted by the shares added each quarter. 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.