WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q1 2022
Top Holdings235 positions
APPLE INC | 3.9M | $687M | 4.4% | $42.46 | +302.24% | 14 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC | 178,300 | $495.9M | 3.2% | $56.59 | +143.44% | 14 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 1.5M | $449.5M | 2.9% | $105.91 | +180.47% | 14 qtrssince 2018-Q4 | Decreased 0 |
AMAZON COM INC | 104,009 | $339.1M | 2.2% | $81.95 | +98.90% | 14 qtrssince 2018-Q4 | Decreased 0 |
ICON PUB LTD CO | 1.3M | $321.4M | 2.1% | $165.62 | +48.42% | 14 qtrssince 2018-Q4 | Increased 56 |
ASCENDIS PHARMA A/S | 2.6M | $309.2M | 2.0% | $117.55 | -1.30% | 14 qtrssince 2018-Q4 | Decreased 0 |
TRANSDIGM GROUP INC | 397,054 | $258.7M | 1.7% | $387.86 | +39.62% | 14 qtrssince 2018-Q4 | Increased 53 |
VISA INC | 1.1M | $235.3M | 1.5% | $154.91 | +38.31% | 14 qtrssince 2018-Q4 | Increased 58 |
FORTINET INC | 685,363 | $234.2M | 1.5% | $33.93 | +101.44% | 14 qtrssince 2018-Q4 | Increased 52 |
ZENDESK INC | 1.8M | $213.4M | 1.4% | — | — | 14 qtrssince 2018-Q4 | Increased 51 |
DEXCOM INC | 405,821 | $207.6M | 1.3% | $109.19 | +17.13% | 14 qtrssince 2018-Q4 | Increased 75 |
META PLATFORMS INC | 867,145 | $192.8M | 1.2% | $165.49 | +33.09% | 14 qtrssince 2018-Q4 | Decreased 0 |
BIO RAD LABS INC | 341,832 | $192.5M | 1.2% | $352.78 | +64.48% | 14 qtrssince 2018-Q4 | Increased 50 |
SERVICENOW INC | 317,723 | $176.9M | 1.1% | $38.75 | +187.45% | 14 qtrssince 2018-Q4 | Decreased 0 |
AMETEK INC | 1.3M | $171.9M | 1.1% | $67.85 | +90.89% | 14 qtrssince 2018-Q4 | Increased 50 |
ATKORE INC | 1.7M | $167.2M | 1.1% | $74.36 | +30.72% | 5 qtrssince 2021-Q1 | Decreased 0 |
MICROCHIP TECHNOLOGY INC. | 2.2M | $162.2M | 1.0% | $56.72 | +19.54% | 14 qtrssince 2018-Q4 | Increased 55 |
UNION PAC CORP | 582,210 | $159.1M | 1.0% | $145.61 | +69.26% | 14 qtrssince 2018-Q4 | Decreased 0 |
LPL FINL HLDGS INC | 863,640 | $157.8M | 1.0% | $96.09 | +86.40% | 14 qtrssince 2018-Q4 | Decreased 0 |
TAPESTRY INC | 4.2M | $157.1M | 1.0% | $36.61 | -9.53% | 5 qtrssince 2021-Q1 | Increased 55 |
WESTFIELD CAPITAL MANAGEMENT CO LP manages $15.6B across 235 positions as of Q1 2022. Top holdings: AAPL (4.4%), GOOGL (3.2%), MSFT (2.9%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 2/5.0.
Active quarter - 28 new positions, 37 exits, 110 increased. Top move: DXCM (INCREASED, conviction 75). Portfolio: $15.6B across 235 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
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