LAM RESEARCH CORP

CUSIP: 512807108 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q4 2022
Shares 101,196 Value ($000) $42,533 Avg Close — Range —
Q3 2022
Shares 121,528 Value ($000) $44,479 Avg Close — Range —
Q2 2022
Shares 97,550 Value ($000) $41,571 Avg Close — Range —
Q1 2022
Shares 12,675 Value ($000) $6,814 Avg Close — Range —
Q4 2021
Shares 12,945 Value ($000) $9,309 Avg Close — Range —
Q3 2021
Shares 12,975 Value ($000) $7,385 Avg Close — Range —
Q2 2021
Shares 13,185 Value ($000) $8,579 Avg Close — Range —
Q1 2021
Shares 12,645 Value ($000) $7,527 Avg Close — Range —
Q4 2020
Shares 12,760 Value ($000) $6,026 Avg Close — Range —
Q3 2020
Shares 140,693 Value ($000) $46,675 Avg Close — Range —
Q3 2019
Shares 123,034 Value ($000) $28,434 Avg Close — Range —
Q2 2019
Shares 238,505 Value ($000) $44,801 Avg Close — Range —
Q1 2019
Shares 235,800 Value ($000) $42,211 Avg Close — Range —
Q4 2018
Shares 455,381 Value ($000) $62,009 Avg Close — Range —
Q3 2018
Shares 396,529 Value ($000) $60,153 Avg Close — Range —
Q2 2018
Shares 363,990 Value ($000) $62,916 Avg Close — Range —
Q1 2018
Shares 325,862 Value ($000) $66,202 Avg Close — Range —
Q4 2017
Shares 306,286 Value ($000) $56,378 Avg Close — Range —
Q3 2017
Shares 294,419 Value ($000) $54,479 Avg Close — Range —
Q2 2017
Shares 154,911 Value ($000) $21,909 Avg Close — Range —
Q1 2017
Shares 114,635 Value ($000) $14,715 Avg Close — Range —
Q2 2016
Shares 943,411 Value ($000) $79,303 Avg Close — Range —
Q1 2016
Shares 1,570,509 Value ($000) $129,724 Avg Close — Range —
Q4 2015
Shares 1,002,812 Value ($000) $79,643 Avg Close — Range —
Q3 2015
Shares 1,207,589 Value ($000) $78,892 Avg Close — Range —
Q2 2015
Shares 1,503,815 Value ($000) $122,335 Avg Close — Range —
Q1 2015
Shares 1,093,766 Value ($000) $76,821 Avg Close — Range —
Q4 2014
Shares 1,231,688 Value ($000) $97,722 Avg Close — Range —
Q3 2014
Shares 1,511,900 Value ($000) $112,939 Avg Close — Range —
Q2 2014
Shares 953,358 Value ($000) $64,428 Avg Close — Range —
Q3 2013
Shares 391,941 Value ($000) $20,067 Avg Close — Range —
Q2 2013
Shares 595,106 Value ($000) $26,387 Avg Close — Range —