WESTFIELD CAPITAL MANAGEMENT CO LPWESTFIELD CAPITAL MANAGEMENT CO LP

Institutional investor · Portfolio as of Q3 2021

Top Holdings235 positions

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Activity:

APPLE INC

4.7M$665M4.0%$42.46+225.08%
12 qtrssince 2018-Q4
Decreased
0

ALPHABET INC

184,585$493.5M3.0%$56.59+134.00%
12 qtrssince 2018-Q4
Decreased
0

MICROSOFT CORP

1.7M$479.7M2.9%$105.91+155.46%
12 qtrssince 2018-Q4
Increased
54

AMAZON COM INC

135,579$445.4M2.7%$80.36+104.40%
12 qtrssince 2018-Q4
Decreased
0

ICON PUB LTD CO

1.3M$336.7M2.0%$161.36+65.89%
12 qtrssince 2018-Q4
Decreased
0
ASNDASND
ADR

ASCENDIS PHARMA A/S

2.1M$336.6M2.0%$112.82+39.15%
12 qtrssince 2018-Q4
Increased
56

META PLATFORMS INC

965,347$327.6M2.0%$165.49+103.13%
12 qtrssince 2018-Q4
Decreased
0

BIO RAD LABS INC

349,683$260.8M1.6%$345.84+116.65%
12 qtrssince 2018-Q4
Decreased
0

VISA INC

1M$230.8M1.4%$142.51+50.49%
12 qtrssince 2018-Q4
Decreased
0

ZENDESK INC

1.9M$221.5M1.3%——
12 qtrssince 2018-Q4
Decreased
0

TRANSDIGM GROUP INC

348,755$217.8M1.3%$367.05+41.43%
12 qtrssince 2018-Q4
Decreased
0

SERVICENOW INC

339,992$211.6M1.3%$38.75+221.20%
12 qtrssince 2018-Q4
Increased
49

SALESFORCE INC

756,707$205.2M1.2%$134.87+97.67%
12 qtrssince 2018-Q4
Increased
48

HUBSPOT INC

278,533$188.3M1.1%$197.58+242.19%
9 qtrssince 2019-Q3
Increased
51

LPL FINL HLDGS INC

1.2M$184.4M1.1%$96.09+59.45%
12 qtrssince 2018-Q4
Increased
57

NATIONAL VISION HLDGS INC

3M$168.3M1.0%$43.61+32.92%
5 qtrssince 2020-Q3
Increased
49
ATKRATKRDelisted

ATKORE INC

1.9M$167.6M1.0%$72.66+14.47%
3 qtrssince 2021-Q1
Increased
63

FORTINET INC

566,040$165.3M1.0%$26.21+122.87%
12 qtrssince 2018-Q4
Increased
55

AMETEK INC

1.3M$160.3M1.0%$65.09+84.71%
12 qtrssince 2018-Q4
Decreased
0

ADVANCED DRAIN SYS INC DEL

1.5M$159.7M1.0%$44.95+138.86%
7 qtrssince 2020-Q1
Increased
44
$16.6B
AUM
235
Positions
Q3 2021
Filing
HI score · 2.0/5
Quarterly 13F Value Change
+28%Q2'20$14.5B+6%Q3'20$15.4B+9%Q4'20$16.9B-5%Q1'21$16.1B+4%Q2'21$16.7B-1%Q3'21$16.6B
Activity profile
$ moved · Q3'21
New19%Increased28%Decreased40%Exited13%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 1.8 years
<1Q6%1-4Q23%1-2Y16%2Y+54%

WESTFIELD CAPITAL MANAGEMENT CO LP manages $16.6B across 235 positions as of Q3 2021. Top holdings: AAPL (4.0%), GOOGL (3.0%), MSFT (2.9%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 2/5.0.

Q3 2021 Summary

Active quarter - 24 new positions, 30 exits, 88 increased. Top move: ATKR (INCREASED, conviction 63). Portfolio: $16.6B across 235 positions.

Top holdings by portfolio weight

Total AUM$17B
AAPL4.01%
GOOGL2.98%
MSFT2.89%
AMZN2.69%
ICLR2.03%
ASND2.03%
META1.98%
BIO1.57%
V1.39%
ZEN1.34%
Other1.31%

Portfolio allocation by GICS sector

Sectors11
Technology26.98%
Healthcare16.41%
Industrials12.18%
Consumer Cyclical11.10%
Unknown11.03%
Financial Services9.17%
Communication Services6.98%
Basic Materials1.91%
Consumer Defensive1.56%
Energy1.38%
Other1.31%

Behavioral investing profile

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Balanced Allocator- primarily Technology, Healthcare, Industrials
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Below Average(2.0 / 5.0)
Holdings P&L51
Conviction42
Concentration44
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Position Outcomes

Best and worst performing positions by estimated return

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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