account_balance
Investment manager · 13F filer · SEC CIK 1177719
Westfield Capital Management Co LP
Reported value$30.6Bas of Sep 30, 2026
Positions281 43 new, 40 sold out
Top 10 weight28.6%NVDA alone is 6%
FiledNov 1243 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
NVDANvidia Corporation
6.0%
GOOGLAlphabet Inc
4.4%Added +5%
ASNDAscendis Pharma A/s
3.8%Added +7%
AAPLApple Inc
2.6%Trimmed −9%
AXONAxon Enterprise Inc
2.2%Added +8%
MSFTMicrosoft Corp
2.2%Trimmed −6%
METAMeta Platforms Inc
2.0%Added +23%
SNOWSnowflake Inc
1.9%
AVGOBroadcom Inc
1.9%Added +4%
LLYEli Lilly & Co
1.5%Trimmed −4%
HWMHowmet Aerospace Inc
1.5%Added +3%
MUMicron Technology Inc
1.3%Added +69%
NVDANvidia Corporation
6.0%
GOOGLAlphabet Inc
4.4%Added +5%
ASND3.8%AAPL2.6%AXON2.2%MSFT2.2%META2.0%SNOW1.9%AVGO1.9%LLY1.5%HWM1.5%MU1.3%Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
NVDA Nvidia Corporation 6.0% HeldGOOGL Alphabet Inc 4.4% Added +5%ASND Ascendis Pharma A/s 3.8% Added +7%AAPL Apple Inc 2.6% Trimmed −9%AXON Axon Enterprise Inc 2.2% Added +8%MSFT Microsoft Corp 2.2% Trimmed −6%META Meta Platforms Inc 2.0% Added +23%SNOW Snowflake Inc 1.9% HeldAVGO Broadcom Inc 1.9% Added +4%LLY Eli Lilly & Co 1.5% Trimmed −4%HWM Howmet Aerospace Inc 1.5% Added +3%MU Micron Technology Inc 1.3% Added +69%
What changed