WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q1 2023
Top Holdings222 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
APPLE INC | 3M | $486.5M | 3.4% | $94.40 | +71.88% | 18 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 1.4M | $402.8M | 2.8% | $117.67 | +136.35% | 18 qtrssince 2018-Q4 | Decreased 0 |
ASCENDIS PHARMA A/S | 3.1M | $337.3M | 2.4% | $116.20 | -6.57% | 18 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL A | 3.2M | $327.8M | 2.3% | $94.55 | +5.90% | 18 qtrssince 2018-Q4 | Decreased 0 |
ICON PLC | 1.4M | $291.7M | 2.1% | $167.93 | +25.57% | 18 qtrssince 2018-Q4 | Decreased 0 |
TRANSDIGM GROUP INC | 371,149 | $273.6M | 1.9% | $391.04 | +60.64% | 18 qtrssince 2018-Q4 | Decreased 0 |
VISA INC-CLASS A SHARES | 1M | $234.7M | 1.7% | $157.60 | +39.30% | 18 qtrssince 2018-Q4 | Decreased 0 |
UNITEDHEALTH GROUP INC | 442,368 | $209.1M | 1.5% | $491.22 | -9.09% | 7 qtrssince 2021-Q3 | Increased 56 |
AMAZON.COM INC | 1.9M | $198.3M | 1.4% | $107.46 | -5.08% | 18 qtrssince 2018-Q4 | Decreased 0 |
CHIPOTLE MEXICAN GRILL INC | 112,073 | $191.5M | 1.4% | $31.51 | +6.13% | 3 qtrssince 2022-Q3 | Increased 66 |
BIO-RAD LABORATORIES-A | 385,656 | $184.7M | 1.3% | $364.62 | +29.39% | 18 qtrssince 2018-Q4 | Decreased 0 |
FORTINET INC | 2.7M | $182.7M | 1.3% | $52.19 | +26.09% | 18 qtrssince 2018-Q4 | Decreased 0 |
DEXCOM INC | 1.6M | $182.5M | 1.3% | $83.93 | +36.30% | 18 qtrssince 2018-Q4 | Increased 50 |
AMETEK INC | 1.1M | $159.4M | 1.1% | $68.04 | +109.17% | 18 qtrssince 2018-Q4 | Decreased 0 |
SERVICENOW INC | 317,289 | $147.5M | 1.0% | $41.19 | +113.48% | 18 qtrssince 2018-Q4 | Decreased 0 |
HUBSPOT INC | 339,816 | $145.7M | 1.0% | $247.65 | +68.37% | 15 qtrssince 2019-Q3 | Decreased 0 |
WESCO INTERNATIONAL INC | 936,287 | $144.7M | 1.0% | $116.89 | +25.77% | 6 qtrssince 2021-Q4 | Decreased 0 |
ENCORE WIRE CORP | 751,887 | $139.3M | 1.0% | — | — | 7 qtrssince 2021-Q3 | Decreased 0 |
SAIA INC | 501,669 | $136.5M | 1.0% | $173.96 | +55.85% | 11 qtrssince 2020-Q3 | Decreased 0 |
ELI LILLY & CO | 387,564 | $133.1M | 0.9% | $316.66 | +5.74% | 4 qtrssince 2022-Q2 | Increased 50 |
WESTFIELD CAPITAL MANAGEMENT CO LP manages $14.2B across 222 positions as of Q1 2023. Top holdings: AAPL (3.4%), MSFT (2.8%), ASND (2.4%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 3/5.0.
Active quarter - 37 new positions, 41 exits, 79 increased. Top move: CMG (INCREASED, conviction 66). Portfolio: $14.2B across 222 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
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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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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer