WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q4 2021
Top Holdings244 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
APPLE INC | 4.2M | $741.3M | 4.4% | $94.40 | +83.74% | 13 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 1.6M | $533.8M | 3.2% | $105.94 | +209.90% | 13 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL A | 183,410 | $531.3M | 3.2% | $56.83 | +155.33% | 13 qtrssince 2018-Q4 | Decreased 0 |
AMAZON.COM INC | 138,126 | $460.6M | 2.7% | $80.59 | +109.25% | 13 qtrssince 2018-Q4 | Increased 55 |
ICON PLC | 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-CLASS A | 943,087 | $317.2M | 1.9% | $166.53 | +105.35% | 13 qtrssince 2018-Q4 | Decreased 0 |
BIO-RAD LABORATORIES-A | 331,719 | $250.6M | 1.5% | $345.84 | +119.36% | 13 qtrssince 2018-Q4 | Decreased 0 |
FORTINET INC | 640,847 | $230.3M | 1.4% | $31.39 | +129.23% | 13 qtrssince 2018-Q4 | Increased 55 |
TRANSDIGM GROUP INC | 361,727 | $230.2M | 1.4% | $373.61 | +41.13% | 13 qtrssince 2018-Q4 | Increased 50 |
SERVICENOW INC | 324,893 | $210.9M | 1.3% | $39.16 | +234.32% | 13 qtrssince 2018-Q4 | Decreased 0 |
ATKORE INC | 1.7M | $194.2M | 1.2% | $74.36 | +42.87% | 4 qtrssince 2021-Q1 | Decreased 0 |
VISA INC-CLASS A SHARES | 877,818 | $190.2M | 1.1% | $142.51 | +46.67% | 13 qtrssince 2018-Q4 | Decreased 0 |
SALESFORCE.COM INC | 722,360 | $183.6M | 1.1% | $133.49 | +88.97% | 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 DRAINAGE SYSTEMS IN | 1.3M | $173.1M | 1.0% | $44.95 | +193.68% | 8 qtrssince 2020-Q1 | Decreased 0 |
WORKDAY INC-CLASS A | 627,652 | $171.5M | 1.0% | $185.74 | +48.86% | 9 qtrssince 2019-Q4 | Decreased 0 |
LPL FINANCIAL HOLDINGS 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 Rating: 3/5.0.
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
Top Winners
Top Losers
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