WESTFIELD CAPITAL MANAGEMENT CO LP
Institutional investor · Portfolio as of Q1 2022
Top Holdings235 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
APPLE INC | 3.9M | $687M | 4.4% | $94.40 | +80.91% | 14 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL A | 178,300 | $495.9M | 3.2% | $56.83 | +147.89% | 14 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 1.5M | $449.5M | 2.9% | $105.94 | +187.24% | 14 qtrssince 2018-Q4 | Decreased 0 |
AMAZON.COM INC | 104,009 | $339.1M | 2.2% | $80.59 | +106.35% | 14 qtrssince 2018-Q4 | Decreased 0 |
ICON PLC | 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% | $390.09 | +43.25% | 14 qtrssince 2018-Q4 | Increased 53 |
VISA INC-CLASS A SHARES | 1.1M | $235.3M | 1.5% | $154.91 | +38.31% | 14 qtrssince 2018-Q4 | Increased 58 |
FORTINET INC | 685,363 | $234.2M | 1.5% | $33.79 | +102.37% | 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% | $109.92 | +18.05% | 14 qtrssince 2018-Q4 | Increased 75 |
META PLATFORMS INC-CLASS A | 867,145 | $192.8M | 1.2% | $166.53 | +35.87% | 14 qtrssince 2018-Q4 | Decreased 0 |
BIO-RAD LABORATORIES-A | 341,832 | $192.5M | 1.2% | $352.78 | +64.48% | 14 qtrssince 2018-Q4 | Increased 50 |
SERVICENOW INC | 317,723 | $176.9M | 1.1% | $39.16 | +193.18% | 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% | — | — | — | — |
UNION PACIFIC CORP | 582,210 | $159.1M | 1.0% | $147.64 | +71.61% | 14 qtrssince 2018-Q4 | Decreased 0 |
LPL FINANCIAL HOLDINGS 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% | $36.55 | -3.57% | 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 Rating: 3/5.0.
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
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.
Similar Funds
Funds with similar investing DNA
Explore More
Accumulation Streaks
Positions with 2+ consecutive quarters of increases - persistent directional conviction.
Continue exploring
Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer