WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q1 2021
Top Holdings243 positions
APPLE INC | 4.6M | $562.6M | 3.5% | $39.54 | +200.36% | 10 qtrssince 2018-Q4 | Increased 59 |
AMAZON COM INC | 160,867 | $497.7M | 3.1% | $80.36 | +92.52% | 10 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC | 198,625 | $409.7M | 2.5% | $56.59 | +80.52% | 10 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 1.7M | $408.6M | 2.5% | $104.31 | +116.01% | 10 qtrssince 2018-Q4 | Decreased 0 |
META PLATFORMS INC | 1M | $305.7M | 1.9% | $165.49 | +76.28% | 10 qtrssince 2018-Q4 | Decreased 0 |
ICON PUB LTD CO | 1.5M | $295M | 1.8% | $161.97 | +21.24% | 10 qtrssince 2018-Q4 | Increased 75 |
ZENDESK INC | 2.2M | $289.1M | 1.8% | — | — | 10 qtrssince 2018-Q4 | Decreased 0 |
<![CDATA[ASCENDIS PHARMA A/S]]> | 1.9M | $240.7M | 1.5% | $110.18 | +16.97% | 10 qtrssince 2018-Q4 | Increased 52 |
VISA INC | 1.1M | $235.9M | 1.5% | $142.51 | +42.64% | 10 qtrssince 2018-Q4 | Increased 61 |
BIO RAD LABS INC | 404,467 | $231M | 1.4% | $348.12 | +64.07% | 10 qtrssince 2018-Q4 | Decreased 0 |
TRANSDIGM GROUP INC | 376,213 | $221.2M | 1.4% | $367.05 | +33.13% | 10 qtrssince 2018-Q4 | Decreased 0 |
DARDEN RESTAURANTS INC | 1.3M | $189.5M | 1.2% | $83.14 | +41.81% | 3 qtrssince 2020-Q3 | Decreased 0 |
SERVICENOW INC | 368,376 | $184.2M | 1.1% | $36.90 | +171.06% | 10 qtrssince 2018-Q4 | Decreased 0 |
AMETEK INC | 1.4M | $176.6M | 1.1% | $64.99 | +89.68% | 10 qtrssince 2018-Q4 | Decreased 0 |
ADVANCED DRAIN SYS INC DEL | 1.7M | $176.3M | 1.1% | $44.56 | +126.22% | 5 qtrssince 2020-Q1 | Decreased 0 |
SALESFORCE INC | 826,578 | $175.1M | 1.1% | $134.57 | +54.49% | 10 qtrssince 2018-Q4 | Decreased 0 |
TRANE TECHNOLOGIES PLC | 1M | $171.1M | 1.1% | $75.92 | +103.98% | 5 qtrssince 2020-Q1 | Decreased 0 |
WORKDAY INC | 684,223 | $170M | 1.1% | — | — | 6 qtrssince 2019-Q4 | Increased 56 |
FORTINET INC | 892,412 | $164.6M | 1.0% | $14.98 | +146.22% | 10 qtrssince 2018-Q4 | Decreased 0 |
THERMO FISHER SCIENTIFIC INC | 360,530 | $164.5M | 1.0% | $223.38 | +101.20% | 10 qtrssince 2018-Q4 | Increased 48 |
WESTFIELD CAPITAL MANAGEMENT CO LP manages $16.1B across 243 positions as of Q1 2021. Top holdings: AAPL (3.5%), AMZN (3.1%), GOOGL (2.5%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 2/5.0.
Active quarter - 49 new positions, 53 exits, 66 increased. Top move: ICLR (INCREASED, conviction 75). Portfolio: $16.1B across 243 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
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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