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Westfield Capital Management Co Lp

Portfolio Manager
Westfield Capital Management Co Lp
Performance
-2.57% (2026 Q1)
AUM (13F)
$23.83B
# of Holdings
250
Performance Rank
Allocation (Top 20)
42.68%

Westfield Capital Management Co Lp Holdings Map

Top 50 Westfield Capital Management Co Lp Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
NVDA
NVIDIA CORPORATION
4.62%6.32M$1.10B
+6.15%(+365.99K)
2025-Q1: 7.34M shares2025-Q2: 7.55M shares2025-Q3: 6.51M shares2025-Q4: 5.95M shares2026-Q1: 6.32M shares
$48.51(+301.62%)
2026-03-31
ASND
ASCENDIS PHARMA A/S
4.62%4.81M$1.10B
-7.18%(-372.26K)
2025-Q1: 5.48M shares2025-Q2: 5.45M shares2025-Q3: 5.26M shares2025-Q4: 5.19M shares2026-Q1: 4.81M shares
$117.04(+134.53%)
2026-03-31
FIX
COMFORT SYS USA INC
3.59%620.9K$856.2M
-7.16%(-47.92K)
2025-Q1: 889.6K shares2025-Q2: 936.4K shares2025-Q3: 833.2K shares2025-Q4: 668.8K shares2026-Q1: 620.9K shares
$279.18(+523.71%)
2026-03-31
AAPL
APPLE INC
3.34%3.13M$795.2M
-4.31%(-141.21K)
2025-Q1: 3.40M shares2025-Q2: 3.49M shares2025-Q3: 3.33M shares2025-Q4: 3.27M shares2026-Q1: 3.13M shares
$86.17(+258.16%)
2026-03-31
FTAI
FTAI AVIATION LTD
2.93%2.85M$697.8M
+21.17%(+497.60K)
2025-Q1: 1.89M shares2025-Q2: 1.92M shares2025-Q3: 2.13M shares2025-Q4: 2.35M shares2026-Q1: 2.85M shares
$139.41(+77.94%)
2026-03-31
MSFT
MICROSOFT CORP
2.56%1.65M$610.6M
+1.75%(+28.29K)
2025-Q1: 1.83M shares2025-Q2: 1.76M shares2025-Q3: 1.71M shares2025-Q4: 1.62M shares2026-Q1: 1.65M shares
$191.63(+103.77%)
2026-03-31
GOOGL
ALPHABET INC
2.45%2.03M$582.8M
-6.97%(-151.73K)
2025-Q1: 3.46M shares2025-Q2: 2.57M shares2025-Q3: 2.24M shares2025-Q4: 2.18M shares2026-Q1: 2.03M shares
$55.73(+545.80%)
2026-03-31
HWM
HOWMET AEROSPACE INC
2.21%2.29M$527.7M
+3.18%(+70.57K)
2025-Q1: 1.14M shares2025-Q2: 1.92M shares2025-Q3: 2.01M shares2025-Q4: 2.22M shares2026-Q1: 2.29M shares
$146.02(+85.19%)
2026-03-31
VRT
VERTIV HOLDINGS CO
2.02%1.92M$481.5M
-15.63%(-356.02K)
2025-Q1: 2.38M shares2025-Q2: 2.64M shares2025-Q3: 2.25M shares2025-Q4: 2.28M shares2026-Q1: 1.92M shares
$58.53(+413.43%)
2026-03-31
AMZN
AMAZON COM INC
1.99%2.28M$474.8M
-2.19%(-51.12K)
2025-Q1: 3.46M shares2025-Q2: 3.10M shares2025-Q3: 2.54M shares2025-Q4: 2.33M shares2026-Q1: 2.28M shares
$97.07(+149.99%)
2026-03-31

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