Lam Research Corporation shares owned by Pioneer Investment Management
Quarter-by-quarter ownership of Lam Research Corporation shares owned by Pioneer Investment Management
from 13F filings
Historical chart of Pioneer Investment Management investment in Lam Research Corporation
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Quarterly reported holdings in Lam Research Corporation by Pioneer Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2021-03-31 | $601M | 1.0M | 595.28 |
| 2020-12-31 | $637M | 1.3M | 472.27 |
| 2020-09-30 | $393M | 1.2M | 331.75 |
| 2020-06-30 | $531M | 1.6M | 323.46 |
| 2020-03-31 | $167M | 696k | 240.00 |
| 2019-12-31 | $334M | 1.1M | 292.40 |
| 2019-09-30 | $255M | 1.1M | 231.11 |
| 2019-06-30 | $190M | 1.0M | 187.83 |
| 2019-03-31 | $187M | 1.0M | 179.00 |
| 2018-12-31 | $21M | 157k | 136.15 |
| 2018-09-30 | $44M | 290k | 151.71 |
| 2018-06-30 | $115M | 664k | 172.82 |
| 2018-03-31 | $91M | 450k | 203.18 |
| 2017-12-31 | $103M | 559k | 184.09 |
| 2017-09-30 | $85M | 459k | 185.00 |
| 2017-06-30 | $93M | 654k | 141.38 |
| 2017-03-31 | $155M | 1.2M | 128.31 |
| 2016-12-31 | $132M | 1.2M | 105.73 |
| 2016-09-30 | $75M | 793k | 94.79 |
| 2016-06-30 | $28M | 328k | 84.14 |
| 2016-03-31 | $29M | 353k | 82.60 |
| 2015-12-31 | $14M | 170k | 79.42 |
| 2015-06-30 | $3.7M | 45k | 81.36 |
| 2015-03-31 | $2.8M | 40k | 70.23 |
| 2014-12-31 | $2.4M | 30k | 79.33 |
| 2014-09-30 | $3.5M | 47k | 74.70 |
| 2014-03-31 | $1.8M | 33k | 54.99 |
| 2012-06-30 | $720k | 19k | 37.72 |
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