WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q4 2021
Top Holdings244 positions
APPLE INC | 4.2M | $741.3M | 4.4% | $42.46 | +308.54% | 13 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 1.6M | $533.8M | 3.2% | $105.91 | +205.32% | 13 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC | 183,410 | $531.3M | 3.2% | $56.59 | +153.57% | 13 qtrssince 2018-Q4 | Decreased 0 |
AMAZON COM INC | 138,126 | $460.6M | 2.7% | $81.95 | +103.44% | 13 qtrssince 2018-Q4 | Increased 55 |
ICON PUB LTD CO | 1.3M | $388.5M | 2.3% | $161.36 | +91.68% | 13 qtrssince 2018-Q4 | Decreased 0 |
ASCENDIS PHARMA A/S | 2.6M | $355.3M | 2.1% | $117.55 | +16.04% | 13 qtrssince 2018-Q4 | Increased 65 |
META PLATFORMS INC | 943,087 | $317.2M | 1.9% | $165.49 | +101.31% | 13 qtrssince 2018-Q4 | Decreased 0 |
BIO RAD LABS INC | 331,719 | $250.6M | 1.5% | $345.84 | +119.36% | 13 qtrssince 2018-Q4 | Decreased 0 |
FORTINET INC | 640,847 | $230.3M | 1.4% | $31.54 | +127.91% | 13 qtrssince 2018-Q4 | Increased 55 |
TRANSDIGM GROUP INC | 361,727 | $230.2M | 1.4% | $372.85 | +41.84% | 13 qtrssince 2018-Q4 | Increased 50 |
SERVICENOW INC | 324,893 | $210.9M | 1.3% | $38.75 | +235.05% | 13 qtrssince 2018-Q4 | Decreased 0 |
ATKORE INC | 1.7M | $194.2M | 1.2% | $72.66 | +46.43% | 4 qtrssince 2021-Q1 | Decreased 0 |
VISA INC | 877,818 | $190.2M | 1.1% | $142.51 | +46.67% | 13 qtrssince 2018-Q4 | Decreased 0 |
SALESFORCE INC | 722,360 | $183.6M | 1.1% | $134.87 | +85.22% | 13 qtrssince 2018-Q4 | Decreased 0 |
AMETEK INC | 1.2M | $181.7M | 1.1% | $65.09 | +119.32% | 13 qtrssince 2018-Q4 | Decreased 0 |
MGM RESORTS INTERNATIONAL | 3.9M | $177.1M | 1.1% | $41.14 | +8.76% | 4 qtrssince 2021-Q1 | Increased 59 |
ZENDESK INC | 1.7M | $173.7M | 1.0% | — | — | 13 qtrssince 2018-Q4 | Decreased 0 |
ADVANCED DRAIN SYS INC DEL | 1.3M | $173.1M | 1.0% | $44.95 | +193.68% | 8 qtrssince 2020-Q1 | Decreased 0 |
WORKDAY INC | 627,652 | $171.5M | 1.0% | $185.74 | +48.86% | 9 qtrssince 2019-Q4 | Decreased 0 |
LPL FINL HLDGS INC | 1.1M | $171.2M | 1.0% | $96.09 | +63.09% | 13 qtrssince 2018-Q4 | Decreased 0 |
WESTFIELD CAPITAL MANAGEMENT CO LP manages $16.8B across 244 positions as of Q4 2021. Top holdings: AAPL (4.4%), MSFT (3.2%), GOOGL (3.2%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 2/5.0.
Active quarter - 42 new positions, 33 exits, 50 increased. Top move: ASND (INCREASED, conviction 65). Portfolio: $16.8B across 244 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