WESTFIELD CAPITAL MANAGEMENT CO LP

13F Portfolio Filings

Most recent 13F
Q3 2024
Location
Boston, MA
CIK
0001177719
All SEC filings
View on sec.gov
Holdings Value
Quarter Holdings Value ($000) Top Holdings Form Type Date Filed Filing ID
Q3 2024 247 22,133,837 NVDA, AAPL, MSFT, ASND 13F-HR 11/12/2024 000108514624005556
Q2 2024 248 20,353,525 NVDA, MSFT, AAPL, ASND 13F-HR 8/14/2024 000108514624003888
Q1 2024 244 19,047,708 MSFT, ASND, AAPL, NVDA 13F-HR 5/10/2024 000108514624002397
Q4 2023 239 17,157,520 MSFT, ASND, AAPL, GOOGL 13F-HR 2/9/2024 000108514624001000
Q3 2023 234 14,680,795 AAPL, GOOGL, MSFT, ASND 13F-HR 11/13/2023 000108514623004307
Q2 2023 227 15,739,052 AAPL, MSFT, GOOGL, ICLR 13F-HR 8/11/2023 000108514623003305
Q1 2023 222 14,150,980 AAPL, MSFT, ASND, GOOGL 13F-HR 5/12/2023 000108514623002316
Q4 2022 226 12,964,837 AAPL, ASND, MSFT, GOOGL 13F-HR 2/13/2023 000108514623001109
Q3 2022 230 12,592,376 AAPL, MSFT, GOOGL, ASND 13F-HR 11/14/2022 000108514622003994
Q2 2022 235 12,700,476 AAPL, GOOGL, MSFT, ICLR 13F-HR 8/12/2022 000108514622003023
Q1 2022 235 15,601,903 AAPL, GOOGL, MSFT, AMZN 13F-HR 5/16/2022 000108514622002139
Q4 2021 244 16,825,241 AAPL, MSFT, GOOGL, AMZN 13F-HR 2/10/2022 000108514622000764
Q3 2021 235 16,580,184 AAPL, GOOGL, MSFT, AMZN 13F-HR 11/12/2021 000108514621003126
Q2 2021 241 16,697,140 AAPL, AMZN, GOOGL, MSFT 13F-HR 8/10/2021 000108514621002369
Q1 2021 243 16,089,955 AAPL, AMZN, GOOGL, MSFT 13F-HR 5/14/2021 000108514621001659
Q4 2020 247 16,852,328 AAPL, AMZN, MSFT, GOOGL 13F-HR 2/12/2021 000108514621000670
Q3 2020 235 15,448,316 AAPL, AMZN, MSFT, GOOGL 13F-HR 11/13/2020 000108514620002944
Q2 2020 230 14,541,816 AMZN, AAPL, MSFT, GOOGL 13F-HR 8/13/2020 000108514620002166
Q1 2020 216 11,354,045 AAPL, MSFT, AMZN, GOOGL 13F-HR 5/14/2020 000108514620001482
Q4 2019 231 14,042,622 AAPL, GOOGL, AMZN, MSFT 13F-HR 2/13/2020 000108514620000663
Q3 2019 234 12,488,835 MDCO, MSFT, AAPL, AMZN 13F-HR 11/8/2019 000108514619002801
Q2 2019 243 13,283,077 AMZN, AAPL, MSFT, V 13F-HR 8/13/2019 000108514619002214
Q1 2019 246 13,140,869 AAPL, AMZN, MSFT, V 13F-HR 5/14/2019 000108514619001505
Q4 2018 240 11,724,178 AAPL, AMZN, MSFT, UNH 13F-HR 2/8/2019 000108514619000432
Q3 2018 249 14,242,796 AAPL, AMZN, MSFT, V 13F-HR 11/14/2018 000108514618002703
Q2 2018 243 13,396,173 AMZN, AAPL, META, V 13F-HR 8/13/2018 000108514618001995
Q1 2018 248 12,975,453 AMZN, AAPL, META, V 13F-HR 5/14/2018 000108514618001406
Q4 2017 244 13,090,103 AAPL, AMZN, META, MSFT 13F-HR 2/13/2018 000108514618000615
Q3 2017 251 13,019,115 AAPL, META, AMZN, MSFT 13F-HR 11/13/2017 000108514617002296
Q2 2017 249 11,732,060 AAPL, META, JAZZ, AMZN 13F-HR 8/11/2017 000108514617001754
Q1 2017 258 11,648,480 AAPL, META, JAZZ, MSFT 13F-HR 5/12/2017 000108514617001209
Q4 2016 253 11,405,054 AAPL, MSFT, META, CELG 13F-HR 2/10/2017 000108514617000444
Q3 2016 249 12,391,388 AAPL, MSFT, META, JAZZ 13F-HR 11/10/2016 000108514616004733
Q2 2016 257 12,120,551 AAPL, JAZZ, MSFT, CHTR 13F-HR 8/12/2016 000108514616004272
Q1 2016 252 13,142,263 AAPL, JAZZ, UAL, META 13F-HR 5/13/2016 000108514616003726
Q4 2015 272 14,858,542 AAPL, JAZZ, CELG, TEVA 13F-HR 2/11/2016 000108514616002976
Q3 2015 262 14,125,001 AAPL, TEVA, JAZZ, CELG 13F-HR 11/12/2015 000108514615002279
Q2 2015 283 16,394,451 AAPL, JAZZ, TEVA, ABBV 13F-HR 8/13/2015 000108514615001755
Q1 2015 302 17,354,854 AAPL, JAZZ, CELG, TEVA 13F-HR 5/13/2015 000108514615001161
Q4 2014 313 16,995,991 AAPL, CELG, JAZZ, CBST 13F-HR 2/13/2015 000108514615000488
Q3 2014 300 16,381,776 AAPL, CELG, JAZZ, ACTAVIS PLC 13F-HR 11/12/2014 000108514614002222
Q2 2014 313 16,806,190 AAPL, CELG, ACTAVIS PLC, JAZZ 13F-HR 8/13/2014 000108514614001655
Q1 2014 324 16,712,176 AAPL, GOOGL, ACTAVIS PLC, CELG 13F-HR 5/12/2014 000108514614001058
Q4 2013 324 16,986,123 GOOGL, CELG, AAPL, ACTAVIS PLC SHS 13F-HR 2/7/2014 000135448814000536