Allegheny Technologies Incorporated shares owned by Dimensional Fund Advisors
Quarter-by-quarter ownership of Allegheny Technologies Incorporated (ATI) shares owned by Dimensional Fund Advisors
from 13F filings
Historical chart of Dimensional Fund Advisors investment in Allegheny Technologies Incorporated
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Quarterly reported holdings in Allegheny Technologies Incorporated by Dimensional Fund Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $174M | 2.1M | 81.34 |
| 2025-06-30 | $173M | 2.0M | 86.34 |
| 2025-03-31 | $136M | 2.6M | 52.03 |
| 2024-12-31 | $141M | 2.6M | 55.04 |
| 2024-09-30 | $166M | 2.5M | 66.91 |
| 2024-06-30 | $139M | 2.5M | 55.45 |
| 2024-03-31 | $123M | 2.4M | 51.17 |
| 2023-12-31 | $105M | 2.3M | 45.47 |
| 2023-09-30 | $90M | 2.2M | 41.15 |
| 2023-06-30 | $109M | 2.5M | 44.23 |
| 2023-03-31 | $96M | 2.4M | 39.46 |
| 2022-12-31 | $75M | 2.5M | 29.86 |
| 2022-09-30 | $74M | 2.8M | 26.61 |
| 2022-06-30 | $66M | 2.9M | 22.71 |
| 2022-03-31 | $80M | 3.0M | 26.84 |
| 2021-12-31 | $58M | 3.6M | 15.93 |
| 2021-09-30 | $81M | 4.8M | 16.63 |
| 2021-06-30 | $135M | 6.5M | 20.85 |
| 2021-03-31 | $149M | 7.1M | 21.06 |
| 2020-12-31 | $110M | 6.6M | 16.77 |
| 2020-09-30 | $58M | 6.6M | 8.72 |
| 2020-06-30 | $72M | 7.1M | 10.19 |
| 2020-03-31 | $60M | 7.1M | 8.50 |
| 2019-12-31 | $137M | 6.6M | 20.66 |
| 2019-09-30 | $132M | 6.5M | 20.25 |
| 2019-06-30 | $153M | 6.1M | 25.20 |
| 2019-03-31 | $143M | 5.6M | 25.57 |
| 2018-12-31 | $96M | 4.4M | 21.77 |
| 2018-09-30 | $113M | 3.8M | 29.55 |
| 2018-06-30 | $87M | 3.5M | 25.12 |
| 2018-03-31 | $62M | 2.6M | 23.68 |
| 2017-12-31 | $47M | 1.9M | 24.14 |
| 2017-09-30 | $34M | 1.4M | 23.90 |
| 2017-06-30 | $25M | 1.5M | 17.01 |
| 2017-03-31 | $26M | 1.5M | 17.96 |
| 2016-12-31 | $19M | 1.2M | 15.93 |
| 2016-09-30 | $21M | 1.2M | 18.07 |
| 2016-06-30 | $15M | 1.2M | 12.75 |
| 2016-03-31 | $23M | 1.4M | 16.30 |
| 2015-12-31 | $16M | 1.5M | 11.25 |
| 2015-09-30 | $19M | 1.3M | 14.18 |
| 2015-03-31 | $26M | 868k | 30.02 |
| 2014-12-31 | $30M | 864k | 34.77 |
| 2014-09-30 | $41M | 1.1M | 37.11 |
| 2014-06-30 | $50M | 1.1M | 45.09 |
| 2014-03-31 | $42M | 1.1M | 37.68 |
| 2013-12-31 | $40M | 1.1M | 35.63 |
| 2013-09-30 | $30M | 990k | 30.51 |
| 2013-06-30 | $26M | 976k | 26.32 |
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