WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q1 2023
Top Holdings222 positions
APPLE | 3M | $486.5M | 3.4% | $42.46 | +282.17% | 18 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT | 1.4M | $402.8M | 2.8% | $117.50 | +138.71% | 18 qtrssince 2018-Q4 | Decreased 0 |
<![CDATA[ASCENDIS PHARMA A/S]]> | 3.1M | $337.3M | 2.4% | $116.57 | -8.02% | 18 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET - CLASS A | 3.2M | $327.8M | 2.3% | $56.59 | +81.58% | 18 qtrssince 2018-Q4 | Decreased 0 |
ICON PUB LTD CO SHS | 1.4M | $291.7M | 2.1% | $168.33 | +26.89% | 18 qtrssince 2018-Q4 | Decreased 0 |
TRANSDIGM GROUP INC | 371,149 | $273.6M | 1.9% | $389.05 | +61.94% | 18 qtrssince 2018-Q4 | Decreased 0 |
VISA - CLASS A | 1M | $234.7M | 1.7% | $157.60 | +39.30% | 18 qtrssince 2018-Q4 | Decreased 0 |
UNITEDHEALTH GROUP INC | 442,368 | $209.1M | 1.5% | $481.77 | -8.61% | 7 qtrssince 2021-Q3 | Increased 56 |
AMAZON.COM | 1.9M | $198.3M | 1.4% | $81.95 | +26.04% | 18 qtrssince 2018-Q4 | Decreased 0 |
CHIPOTLE MEXICAN GRILL INC | 112,073 | $191.5M | 1.4% | $31.26 | +9.29% | 3 qtrssince 2022-Q3 | Increased 66 |
BIO RAD LABS INC | 385,656 | $184.7M | 1.3% | $367.19 | +30.46% | 18 qtrssince 2018-Q4 | Decreased 0 |
FORTINET | 2.7M | $182.7M | 1.3% | $35.21 | +88.73% | 18 qtrssince 2018-Q4 | Decreased 0 |
DEXCOM INC | 1.6M | $182.5M | 1.3% | $104.66 | +11.00% | 18 qtrssince 2018-Q4 | Increased 50 |
AMETEK | 1.1M | $159.4M | 1.1% | $67.94 | +109.17% | 18 qtrssince 2018-Q4 | Decreased 0 |
SERVICENOW INC | 317,289 | $147.5M | 1.0% | $40.80 | +127.82% | 18 qtrssince 2018-Q4 | Decreased 0 |
HUBSPOT INC | 339,816 | $145.7M | 1.0% | $245.79 | +74.44% | 15 qtrssince 2019-Q3 | Decreased 0 |
WESCO INTL INC | 936,287 | $144.7M | 1.0% | $116.66 | +28.48% | 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% | $174.21 | +56.18% | 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 Score: 2/5.0.
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
Verify source filings on SEC EDGAR