WESTFIELD CAPITAL MANAGEMENT CO LPWESTFIELD CAPITAL MANAGEMENT CO LP

Institutional investor · Portfolio as of Q4 2024

Top Holdings239 positions

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Activity:

NVIDIA CORPORATION

7.4M$993.7M4.3%$43.13+210.58%
21 qtrssince 2019-Q4
Decreased
0

APPLE INC

3.7M$915.3M4.0%$92.35+169.20%
25 qtrssince 2018-Q4
Decreased
0

MICROSOFT CORP

1.9M$789.4M3.4%$210.30+97.71%
25 qtrssince 2018-Q4
Decreased
0
ASNDASND
ADR

ASCENDIS PHARMA A/S

5.5M$761.1M3.3%$119.23+14.46%
25 qtrssince 2018-Q4
Increased
63

AMAZON COM INC

3.4M$755.2M3.3%$123.40+77.79%
25 qtrssince 2018-Q4
Decreased
0

ALPHABET INC

3.5M$657.9M2.9%$79.24+137.50%
25 qtrssince 2018-Q4
Increased
60

META PLATFORMS INC

900,959$527.5M2.3%$308.16+88.92%
8 qtrssince 2023-Q1
Decreased
0

TRANSDIGM GROUP INC

362,218$459M2.0%$505.37+134.63%
25 qtrssince 2018-Q4
Decreased
0

AXON ENTERPRISE INC

714,870$424.9M1.8%$249.10+138.59%
9 qtrssince 2022-Q4
Decreased
0

VERTIV HOLDINGS CO

3.7M$422.6M1.8%$62.59+81.14%
6 qtrssince 2023-Q3
Increased
51

COMFORT SYS USA INC

885,127$375.3M1.6%$290.27+45.37%
5 qtrssince 2023-Q4
Increased
60

Ftai Aviation Ltd

2.5M$358.5M1.6%$123.86+14.51%
3 qtrssince 2024-Q2
Increased
68

SERVICENOW INC

315,043$334M1.5%$65.79+222.28%
25 qtrssince 2018-Q4
Decreased
0

BROADCOM INC

1.4M$314.1M1.4%$157.22+45.34%
25 qtrssince 2018-Q4
Increased
56

VISA INC

899,652$284.3M1.2%$163.69+90.56%
25 qtrssince 2018-Q4
Increased
49

TESLA INC

660,107$266.6M1.2%$299.25+34.95%
13 qtrssince 2021-Q4
Increased
60

TAPESTRY INC

3.6M$235.5M1.0%$51.86+22.83%
16 qtrssince 2021-Q1
Increased
78

LPL FINL HLDGS INC

705,919$230.5M1.0%$177.30+83.02%
25 qtrssince 2018-Q4
Decreased
0

VAXCYTE INC

2.6M$210.1M0.9%$66.60+23.11%
6 qtrssince 2023-Q3
Increased
59

GE VERNOVA INC

611,800$201.2M0.9%$275.19+19.73%
2 qtrssince 2024-Q3
Increased
59
$23B
AUM
239
Positions
Q4 2024
Filing
HI score · 2.0/5
Quarterly 13F Value Change
-7%Q3'23$14.7B+17%Q4'23$17.2B+11%Q1'24$19B+7%Q2'24$20.4B+9%Q3'24$22.1B+4%Q4'24$23B
Activity profile
$ moved · Q4'24
New15%Increased38%Decreased25%Exited23%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 3.3 years
<1Q8%1-4Q17%1-2Y13%2Y+62%

WESTFIELD CAPITAL MANAGEMENT CO LP manages $23B across 239 positions as of Q4 2024. Top holdings: NVDA (4.3%), AAPL (4.0%), MSFT (3.4%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 2/5.0.

Q4 2024 Summary

Active quarter - 31 new positions, 39 exits, 100 increased. Top move: TPR (INCREASED, conviction 78). Portfolio: $23.0B across 239 positions.

Top holdings by portfolio weight

Total AUM$23B
NVDA4.33%
AAPL3.98%
MSFT3.44%
ASND3.31%
AMZN3.29%
GOOGL2.86%
META2.30%
TDG2.00%
AXON1.85%
VRT1.84%
Other1.63%

Portfolio allocation by GICS sector

Sectors11
Technology32.61%
Industrials17.89%
Healthcare15.41%
Consumer Cyclical11.72%
Financial Services9.98%
Communication Services7.51%
Consumer Defensive1.29%
Energy1.15%
Basic Materials0.97%
Unknown0.81%
Other0.67%

Behavioral investing profile

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Balanced Allocator- primarily Technology, Industrials, Healthcare
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Below Average(2.0 / 5.0)
Holdings P&L51
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.

Similar Funds

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Accumulation Streaks

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

Security
7Q
DTDTDYNATRACE INC
Q4 2024 → Q2 2026+1.5M shares+$42M
5Q
IOTIOTSAMSARA INC
Q2 2025 → Q2 2026+2.3M shares+$54.2M
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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