Notify me when WESTFIELD CAPITAL MANAGEMENT CO LP files a new 13F portfolio report.
⭐ Subscribe ⭐| Quarter | Holdings | Value $ | Bought | Sold | Net | Top Holdings | Form Type | Filing Time |
|---|---|---|---|---|---|---|---|---|
| Q4 2025 | 241 | $24,005,011,742 | +$3,750,801,374 | -$3,679,483,495 | +$71,317,879 | NVDA, ASND, AAPL, MSFT, GOOGL | 13F-HR | 10 Feb 2026, 19:41 |
| Q3 2025 | 235 | $23,832,915,424 | +$3,486,141,115 | -$5,020,265,406 | -$1,534,124,291 | NVDA, ASND, MSFT, AAPL, FIX | 13F-HR | 10 Nov 2025, 21:49 |
| Q2 2025 | 239 | $23,843,766,396 | +$3,693,685,211 | -$3,733,086,545 | -$39,401,334 | NVDA, ASND, MSFT, AAPL, AMZN | 13F-HR | 11 Aug 2025, 18:43 |
| Q1 2025 | 244 | $20,549,795,430 | +$2,898,409,195 | -$3,273,072,412 | -$374,663,217 | ASND, NVDA, AAPL, MSFT, AMZN | 13F-HR | 09 May 2025, 10:27 |
| Q4 2024 | 239 | $22,971,696,460 | +$3,658,268,087 | -$3,807,933,269 | -$149,665,182 | NVDA, AAPL, MSFT, ASND, AMZN | 13F-HR | 11 Feb 2025, 12:08 |
| Q3 2024 | 247 | $22,133,837,079 | +$3,770,850,152 | -$3,131,397,059 | +$639,453,093 | NVDA, AAPL, MSFT, ASND, AMZN | 13F-HR | 12 Nov 2024, 17:12 |
| Q2 2024 | 248 | $20,353,525,988 | +$4,936,647,565 | -$2,463,329,738 | +$2,473,317,827 | NVDA, MSFT, AAPL, ASND, AMZN | 13F-HR | 14 Aug 2024, 11:10 |
| Q1 2024 | 244 | $19,047,708,538 | +$2,391,813,557 | -$2,425,850,524 | -$34,036,967 | MSFT, ASND, AAPL, NVDA, AMZN | 13F-HR | 10 May 2024, 16:01 |
| Q4 2023 | 239 | $17,157,520,118 | +$2,498,485,981 | -$1,990,082,468 | +$508,403,513 | MSFT, ASND, AAPL, GOOGL, AMZN | 13F-HR | 09 Feb 2024, 16:01 |
| Q3 2023 | 234 | $14,680,795,887 | +$1,816,690,597 | -$2,132,519,268 | -$315,828,671 | AAPL, GOOGL, MSFT, ASND, AMZN | 13F-HR | 13 Nov 2023, 16:01 |
| Q2 2023 | 227 | $15,739,052,389 | +$2,842,710,882 | -$2,368,124,240 | +$474,586,642 | AAPL, MSFT, GOOGL, ICLR, TDG | 13F-HR | 11 Aug 2023, 16:54 |
| Q1 2023 | 222 | $14,150,980,920 | +$2,071,919,739 | -$2,268,132,224 | -$196,212,485 | AAPL, MSFT, ASND, GOOGL, ICLR | 13F-HR | 12 May 2023, 17:22 |
| Q4 2022 | 226 | $12,964,837,362 | +$1,753,197,010 | -$1,933,949,333 | -$180,752,323 | AAPL, ASND, MSFT, GOOGL, ICLR | 13F-HR | 13 Feb 2023, 16:19 |
| Q3 2022 | 230 | $12,540,062,000 | +$1,996,890,901 | -$1,370,521,183 | +$626,369,718 | AAPL, MSFT, GOOGL, ASND, ICLR | 13F-HR | 14 Nov 2022, 09:05 |
| Q2 2022 | 235 | $12,700,476,000 | +$2,111,386,185 | -$1,354,413,334 | +$756,972,851 | AAPL, GOOGL, MSFT, ICLR, ASND | 13F-HR | 12 Aug 2022, 17:16 |
| Q1 2022 | 235 | $15,601,903,000 | +$2,386,894,418 | -$2,176,533,058 | +$210,361,360 | AAPL, GOOGL, MSFT, AMZN, ICLR | 13F-HR | 16 May 2022, 11:30 |
| Q4 2021 | 244 | $16,825,241,000 | +$2,166,557,630 | -$2,913,773,074 | -$747,215,444 | AAPL, MSFT, GOOGL, AMZN, ICLR | 13F-HR | 10 Feb 2022, 16:00 |
| Q3 2021 | 235 | $16,580,184,000 | +$1,822,347,333 | -$2,018,582,594 | -$196,235,261 | AAPL, GOOGL, MSFT, AMZN, ICLR | 13F-HR | 12 Nov 2021, 10:02 |
| Q2 2021 | 241 | $16,697,140,000 | +$2,273,465,124 | -$2,897,205,528 | -$623,740,404 | AAPL, AMZN, GOOGL, MSFT, META | 13F-HR | 10 Aug 2021, 17:26 |
| Q1 2021 | 243 | $16,089,955,000 | +$2,769,001,842 | -$3,977,947,337 | -$1,208,945,495 | AAPL, AMZN, GOOGL, MSFT, META | 13F-HR | 14 May 2021, 10:42 |
| Q4 2020 | 247 | $16,852,328,000 | +$2,147,904,907 | -$2,987,108,987 | -$839,204,080 | AAPL, AMZN, MSFT, GOOGL, ZEN | 13F-HR | 12 Feb 2021, 07:35 |
| Q3 2020 | 235 | $15,448,316,000 | +$2,499,856,500 | -$2,536,780,598 | -$36,924,098 | AAPL, AMZN, MSFT, GOOGL, META | 13F-HR | 13 Nov 2020, 11:54 |
| Q2 2020 | 230 | $14,541,816,000 | +$2,003,741,236 | -$2,000,796,852 | +$2,944,384 | AMZN, AAPL, MSFT, GOOGL, NOW | 13F-HR | 13 Aug 2020, 09:29 |
| Q1 2020 | 216 | $11,354,045,000 | +$2,178,528,563 | -$2,822,562,779 | -$644,034,216 | AAPL, MSFT, AMZN, GOOGL, NOW | 13F-HR | 14 May 2020, 10:01 |
| Q4 2019 | 231 | $14,042,622,000 | +$2,253,825,895 | -$2,190,495,761 | +$63,330,134 | AAPL, GOOGL, AMZN, MSFT, META | 13F-HR | 13 Feb 2020, 13:20 |
| Q3 2019 | 234 | $12,488,835,000 | +$2,191,973,061 | -$2,983,596,106 | -$791,623,045 | MDCO, MSFT, AAPL, AMZN, GOOGL | 13F-HR | 08 Nov 2019, 11:45 |
| Q2 2019 | 243 | $13,283,077,000 | +$1,709,006,498 | -$2,260,674,625 | -$551,668,127 | AMZN, AAPL, MSFT, V, NOW | 13F-HR | 13 Aug 2019, 09:25 |
| Q1 2019 | 246 | $13,140,869,000 | +$1,452,920,202 | -$2,078,469,869 | -$625,549,667 | AAPL, AMZN, MSFT, V, BA | 13F-HR | 14 May 2019, 11:52 |
| Q4 2018 | 240 | $11,724,178,000 | +$2,172,686,252 | -$2,434,099,365 | -$261,413,113 | AAPL, AMZN, MSFT, UNH, V | 13F-HR | 08 Feb 2019, 17:02 |
| Q3 2018 | 249 | $14,242,796,000 | +$2,060,840,165 | -$2,173,230,637 | -$112,390,472 | AAPL, AMZN, MSFT, V, GOOG | 13F-HR | 14 Nov 2018, 11:28 |
| Q2 2018 | 243 | $13,396,173,000 | +$2,034,642,489 | -$2,245,393,979 | -$210,751,490 | AMZN, AAPL, META, V, MSFT | 13F-HR | 13 Aug 2018, 10:43 |
| Q1 2018 | 248 | $12,975,453,000 | +$1,778,527,199 | -$2,303,274,202 | -$524,747,003 | AMZN, AAPL, META, V, MSFT | 13F-HR | 14 May 2018, 12:44 |
| Q4 2017 | 244 | $13,090,103,000 | +$1,615,052,118 | -$2,387,655,986 | -$772,603,868 | AAPL, AMZN, META, MSFT, MAR | 13F-HR | 13 Feb 2018, 08:49 |
| Q3 2017 | 251 | $13,019,115,000 | +$2,305,839,612 | -$1,577,266,321 | +$728,573,291 | AAPL, META, AMZN, MSFT, JAZZ | 13F-HR | 13 Nov 2017, 08:22 |
| Q2 2017 | 249 | $11,732,060,000 | +$1,814,269,367 | -$2,372,433,838 | -$558,164,471 | AAPL, META, JAZZ, AMZN, MSFT | 13F-HR | 11 Aug 2017, 07:52 |
| Q1 2017 | 258 | $11,648,480,000 | +$1,881,248,015 | -$2,585,500,159 | -$704,252,144 | AAPL, META, JAZZ, MSFT, AMZN | 13F-HR | 12 May 2017, 08:06 |
| Q4 2016 | 253 | $11,405,054,000 | +$1,822,015,513 | -$2,907,222,542 | -$1,085,207,029 | AAPL, MSFT, META, CELG, V | 13F-HR | 10 Feb 2017, 14:22 |
| Q3 2016 | 249 | $12,391,388,000 | +$1,933,994,946 | -$2,345,139,468 | -$411,144,522 | AAPL, MSFT, META, JAZZ, V | 13F-HR | 10 Nov 2016, 15:27 |
| Q2 2016 | 257 | $12,120,551,000 | +$1,828,671,712 | -$2,932,752,644 | -$1,104,080,932 | AAPL, JAZZ, MSFT, CHTR, STE | 13F-HR | 12 Aug 2016, 09:37 |
| Q1 2016 | 252 | $13,142,263,000 | +$2,694,468,976 | -$3,994,681,728 | -$1,300,212,752 | AAPL, JAZZ, UAL, META, STE | 13F-HR | 13 May 2016, 08:46 |
| Q4 2015 | 272 | $14,858,542,000 | +$3,220,333,497 | -$3,380,497,918 | -$160,164,421 | AAPL, JAZZ, CELG, TEVA, META | 13F-HR | 11 Feb 2016, 13:21 |
| Q3 2015 | 262 | $14,125,001,000 | +$2,431,225,448 | -$3,237,261,252 | -$806,035,804 | AAPL, TEVA, JAZZ, CELG, META | 13F-HR | 12 Nov 2015, 14:22 |
| Q2 2015 | 283 | $16,394,451,000 | +$2,806,839,697 | -$3,635,951,670 | -$829,111,973 | AAPL, JAZZ, TEVA, ABBV, CELG | 13F-HR | 13 Aug 2015, 07:32 |
| Q1 2015 | 302 | $17,354,854,000 | +$2,997,816,222 | -$3,264,031,928 | -$266,215,706 | AAPL, JAZZ, CELG, TEVA, B108PS | 13F-HR | 12 May 2015, 21:50 |
| Q4 2014 | 313 | $16,995,991,000 | +$2,371,071,216 | -$2,582,907,944 | -$211,836,728 | AAPL, CELG, JAZZ, CBST, B108PS | 13F-HR | 12 Feb 2015, 19:12 |
| Q3 2014 | 300 | $16,381,776,000 | +$2,081,467,305 | -$2,338,238,826 | -$256,771,521 | AAPL, CELG, JAZZ, B108PS, TEVA | 13F-HR | 12 Nov 2014, 14:42 |
| Q2 2014 | 313 | $16,806,190,000 | +$2,925,984,867 | -$2,577,911,479 | +$348,073,388 | AAPL, CELG, B108PS, JAZZ, TEVA | 13F-HR | 12 Aug 2014, 17:34 |
| Q1 2014 | 324 | $16,712,176,000 | +$2,265,123,012 | -$2,842,828,774 | -$577,705,762 | AAPL, GOOGL, B108PS, CELG, TEVA | 13F-HR | 12 May 2014, 16:57 |
| Q4 2013 | 324 | $16,986,123,000 | $0 | $0 | $0 | GOOGL, CELG, AAPL, B108PS, V | 13F-HR | 07 Feb 2014, 09:00 |