WESTFIELD CAPITAL MANAGEMENT CO LPWESTFIELD CAPITAL MANAGEMENT CO LP

Institutional investor · Portfolio as of Q4 2022

Top Holdings226 positions

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Activity:

APPLE INC

3.3M$433M3.3%$42.46+200.67%
17 qtrssince 2018-Q4
Decreased
0
ASNDASND
ADR

ASCENDIS PHARMA A/S - ADR

3.2M$385.7M3.0%$116.20+5.10%
17 qtrssince 2018-Q4
Increased
58

MICROSOFT CORP

1.5M$366.5M2.8%$117.50+98.07%
17 qtrssince 2018-Q4
Increased
59

ALPHABET INC-CL A

3.2M$282M2.2%$56.59+54.45%
17 qtrssince 2018-Q4
Decreased
0

ICON PLC

1.4M$270.2M2.1%$167.93+15.68%
17 qtrssince 2018-Q4
Decreased
0

TRANSDIGM GROUP INC

379,165$238.7M1.8%$389.05+38.34%
17 qtrssince 2018-Q4
Decreased
0

VISA INC-CLASS A SHARES

1.1M$227.8M1.8%$157.60+28.11%
17 qtrssince 2018-Q4
Increased
51

UNITEDHEALTH GROUP INC

375,791$199.2M1.5%$489.13+0.62%
6 qtrssince 2021-Q3
Increased
78

WESCO INTERNATIONAL INC

1.4M$174.3M1.3%$116.89+4.13%
5 qtrssince 2021-Q4
Increased
53

DEXCOM INC

1.5M$171.9M1.3%$104.27+8.61%
17 qtrssince 2018-Q4
Decreased
0

HOME DEPOT INC

533,908$168.6M1.3%$253.23+13.12%
17 qtrssince 2018-Q4
Increased
51

AMETEK INC

1.2M$165.5M1.3%$68.04+100.74%
17 qtrssince 2018-Q4
Increased
48

AMAZON.COM INC

2M$164.6M1.3%$81.95+2.50%
17 qtrssince 2018-Q4
Decreased
0

BIO-RAD LABORATORIES-A

389,504$163.8M1.3%$364.62+15.32%
17 qtrssince 2018-Q4
Increased
52

FORTINET INC

3M$144.6M1.1%$35.13+39.16%
17 qtrssince 2018-Q4
Decreased
0

IDEX CORP

595,280$135.9M1.0%$169.83+27.48%
12 qtrssince 2020-Q1
Increased
48

SERVICENOW INC

327,932$127.3M1.0%$40.80+90.34%
17 qtrssince 2018-Q4
Increased
45

TAPESTRY INC

3.3M$126.5M1.0%$35.92-3.15%
8 qtrssince 2021-Q1
Decreased
0

LPL FINANCIAL HOLDINGS INC

582,784$126M1.0%$96.09+121.29%
17 qtrssince 2018-Q4
Decreased
0

LULULEMON ATHLETICA INC

377,448$120.9M0.9%$334.93-4.34%
5 qtrssince 2021-Q4
Increased
42
$13B
AUM
226
Positions
Q4 2022
Filing
HI score · 3.0/5
Quarterly 13F Value Change
-1%Q3'21$16.6B+1%Q4'21$16.8B-7%Q1'22$15.6B-19%Q2'22$12.7B-1%Q3'22$12.6B+3%Q4'22$13B
Activity profile
$ moved · Q4'22
New16%Increased36%Decreased24%Exited24%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 2.6 years
<1Q8%1-4Q11%1-2Y18%2Y+63%

WESTFIELD CAPITAL MANAGEMENT CO LP manages $13B across 226 positions as of Q4 2022. Top holdings: AAPL (3.3%), ASND (3.0%), MSFT (2.8%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 3/5.0.

Q4 2022 Summary

Active quarter - 33 new positions, 37 exits, 110 increased. Top move: UNH (INCREASED, conviction 78). Portfolio: $13.0B across 226 positions.

Top holdings by portfolio weight

Total AUM$13B
AAPL3.34%
ASND2.98%
MSFT2.83%
GOOGL2.17%
ICLR2.08%
TDG1.84%
V1.76%
UNH1.54%
WCC1.34%
DXCM1.33%
Other1.30%

Portfolio allocation by GICS sector

Sectors11
Technology25.44%
Healthcare19.60%
Consumer Cyclical14.52%
Industrials13.63%
Financial Services10.21%
Unknown4.87%
Energy2.97%
Communication Services2.94%
Real Estate2.55%
Basic Materials1.84%
Other1.44%

Behavioral investing profile

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Balanced Allocator- primarily Technology, Healthcare, Consumer Cyclical
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Solid(3.0 / 5.0)
Holdings P&L55
Conviction42
Concentration44
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

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Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

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5Q
FTAIFTAIFTAI AVIATION LTD
Q2 2025 → Q2 2026+1M shares+$584.5M
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

Verify source filings on SEC EDGAR

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