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Westfield Capital Management Co LP

Portfolio Profile

CIK: 0001177719 | BOSTON, MA

Investment Profile

Style

Growth

Turnover

High

Orientation

Concentrated trader
$30.6B
AUM
278
Positions
29.23%
Top 10 Conc.
44.33%
Top 25 Conc.

Top Holdings

#SecuritySharesValue% of Portfolio
1Nvidia Corporation(NVDA)8,079,926$1.6B5.28%
2Alphabet Inc(GOOGL)3,749,074$1.3B4.38%
3Ascendis Pharma A/S(ASND)4,798,267$1.3B4.18%
4Axon Enterprise Inc(AXON)1,491,490$836.1M2.73%
5Ftai Aviation LTD(FTAI)2,937,228$794.6M2.60%
6

Sector Allocation

Latest filing, equity positions only

Technology31.12% · $9.5B
Industrials21.39% · $6.5B
Healthcare16.07% · $4.9B
Financial Services7.46% · $2.3B
Communication Services6.95% · $2.1B
Unclassified6.66% · $2.0B
Consumer Cyclical6.57% · $2.0B

AUM History

$14.7B | 234 pos.
$17.2B | 239 pos.
$19.0B | 244 pos.
$20.4B | 248 pos.
$22.1B | 247 pos.
$23.0B | 239 pos.
Apple Inc(AAPL)
2,573,774
$744.7M
2.43%
7Comfort SYS USA Inc(FIX)355,433$704.5M2.30%
8Broadcom Inc(AVGO)1,556,522$588.0M1.92%
9Microsoft Corp(MSFT)1,414,294$527.6M1.72%
10Howmet Aerospace Inc(HWM)1,921,476$516.6M1.69%
Energy
1.15% · $352.4M
Consumer Defensive1.1% · $335.4M
Basic Materials0.58% · $176.9M
Real Estate0.51% · $156.8M
Utilities0.44% · $133.9M

Sector Rotation

Quarter-over-quarter weight changes

SectorPrev %Curr %Change
Technology27.23%31.12%+3.89%
Consumer Cyclical9.51%6.57%-2.94%
Financial Services8.86%7.46%-1.4%
Communication Services5.93%6.95%+1.02%
Energy2.1%1.15%-0.95%
Industrials22.31%21.39%-0.92%
Healthcare15.48%16.07%+0.59%
Unclassified6.07%6.66%+0.59%
Consumer Defensive0.91%1.1%+0.19%
Utilities0.54%0.44%-0.1%
Real Estate0.45%0.51%+0.06%
Basic Materials0.61%0.58%-0.03%

Cap Size Rotation

Quarter-over-quarter weight changes by market cap

Cap SizePrev %Curr %Change
Large Cap55.64%50.49%-5.15%
Mega Cap24.09%26.05%+1.96%
Mid Cap13.63%15.54%+1.91%
Unclassified6.07%6.66%+0.59%
Small Cap0.56%1.25%+0.69%
Micro Cap0.01%0.01%0%
$20.5B | 244 pos.
$23.8B | 239 pos.
$23.8B | 235 pos.
$24.0B | 241 pos.
$23.8B | 250 pos.
$30.6B | 278 pos.
Q3
23
Q4
23
Q1
24
Q2
24
Q3
24
Q4
24
Q1
25
Q2
25
Q3
25
Q4
25
Q1
26
Q2
26

Recent Activity

Quarter-over-quarter position changes

69
New
41
Closed
98
Increased
103
Decreased
8
Unchanged