Corning Incorporated shares owned by William Blair $ Company
Quarter-by-quarter ownership of Corning Incorporated (GLW) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in Corning Incorporated
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All positions including Corning Incorporated held by William Blair $ Company consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Corning Incorporated by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $23M | 275k | 82.03 |
| 2025-06-30 | $15M | 286k | 52.59 |
| 2025-03-31 | $14M | 303k | 45.78 |
| 2024-12-31 | $13M | 263k | 47.52 |
| 2024-09-30 | $10M | 221k | 45.15 |
| 2024-06-30 | $8.7M | 223k | 38.85 |
| 2024-03-31 | $7.3M | 220k | 32.96 |
| 2023-12-31 | $7.0M | 229k | 30.45 |
| 2023-09-30 | $6.6M | 218k | 30.47 |
| 2023-06-30 | $7.9M | 224k | 35.04 |
| 2023-03-31 | $8.3M | 236k | 35.28 |
| 2022-12-31 | $7.5M | 236k | 31.94 |
| 2022-09-30 | $6.9M | 238k | 29.02 |
| 2022-06-30 | $7.4M | 236k | 31.51 |
| 2022-03-31 | $8.6M | 234k | 36.91 |
| 2021-12-31 | $8.7M | 234k | 37.23 |
| 2021-09-30 | $8.0M | 220k | 36.49 |
| 2021-06-30 | $9.0M | 221k | 40.90 |
| 2021-03-31 | $10M | 235k | 43.51 |
| 2020-12-31 | $8.7M | 241k | 36.00 |
| 2020-09-30 | $7.8M | 241k | 32.41 |
| 2020-06-30 | $4.6M | 179k | 25.90 |
| 2020-03-31 | $1.7M | 84k | 20.54 |
| 2019-12-31 | $2.6M | 90k | 29.12 |
| 2019-09-30 | $4.2M | 148k | 28.52 |
| 2019-06-30 | $5.1M | 153k | 33.23 |
| 2019-03-31 | $4.9M | 148k | 33.10 |
| 2018-12-31 | $4.4M | 146k | 30.21 |
| 2018-09-30 | $5.3M | 151k | 35.30 |
| 2018-06-30 | $4.4M | 158k | 27.51 |
| 2018-03-31 | $4.5M | 162k | 27.88 |
| 2017-12-31 | $5.4M | 168k | 31.99 |
| 2017-09-30 | $5.0M | 167k | 29.92 |
| 2017-06-30 | $5.2M | 172k | 30.05 |
| 2017-03-31 | $4.5M | 164k | 27.32 |
| 2016-12-31 | $3.9M | 159k | 24.27 |
| 2016-09-30 | $3.8M | 159k | 23.65 |
| 2016-06-30 | $3.3M | 159k | 20.48 |
| 2016-03-31 | $3.1M | 150k | 20.89 |
| 2015-12-31 | $2.2M | 122k | 18.28 |
| 2015-09-30 | $1.9M | 111k | 17.11 |
| 2015-06-30 | $2.2M | 110k | 19.72 |
| 2015-03-31 | $2.5M | 111k | 22.67 |
| 2014-12-31 | $4.6M | 199k | 22.93 |
| 2014-09-30 | $2.0M | 104k | 19.33 |
| 2014-06-30 | $3.4M | 156k | 21.94 |
| 2014-03-31 | $4.2M | 201k | 20.82 |
| 2013-12-31 | $3.8M | 211k | 17.82 |
| 2013-09-30 | $2.3M | 160k | 14.59 |
| 2013-06-30 | $1.1M | 81k | 14.22 |
| 2013-03-31 | $1.9M | 142k | 13.32 |
| 2012-12-31 | $2.3M | 179k | 12.62 |
| 2012-09-30 | $1.9M | 142k | 13.15 |
| 2012-06-30 | $2.1M | 165k | 12.93 |
| 2011-12-31 | $2.7M | 206k | 12.98 |
| 2011-09-30 | $2.5M | 206k | 12.36 |
| 2011-03-31 | $3.5M | 169k | 20.63 |
| 2010-12-31 | $3.2M | 167k | 19.32 |