Westfield Capital Management Company LP

-

Assets, Funds, Holdings

Home | Sign Up | Log In
Message
Happy Holidays!! thanks for using AUM13F!!
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
Westfield Capital Management Company LP
CRD #146990
SEC #801-69413
CIK #0001177719
AUM $23.6 B (2025-04-30)
Employees 60 (32% Investors, 0% Brokers)
Phone617-428-7100
AddressOne Financial Center
Boston, MA 02111
Source [IAPD] [EDGAR] [Website] [Twitter]
Total AUM ($B)
25201510502008201420202026
Sector Form 13F Holdings Value ($B)
Nvidia Corp 1.3
Microsoft Corp 1.0
Ascendis Pharma A/S 0.9
Apple Inc 0.8
Amazon Com Inc 0.7
Facebook Inc 0.7
Taser International Inc 0.7
Comfort Systems USA Inc 0.5
Alphabet Inc 0.5
Transdigm Group Inc 0.4
View All
Holdings by Sector ($B)
30241812602012201620212026
Type Form D Funds Date Sold ($M) AUM ($M)
Other Westfield Disruptive Innovation Fund LP [2021-03-08] 0.6 2.1
Other Westfield Health Care Fund LP [2021-03-08] 2.5 4.0
Other Westfield Emerging Markets Small Cap Fund LP [2017-06-23] 10.0 11.5
Other Westfield Global Dividend Growth Fund LP [2016-11-15] 2.3 1.2
PE Westfield Capital SPV I LP [2015-10-15] 12.2 0.1
Other Westfield Select Growth Equity LP [2014-03-18] 7.5 31.4
HF Westfield Absolute Return Fund Limited Partnership 2011-12-21 36.7
Westfield Dividend Growth Fund Limited Partnership [2011-12-21] 32.9 12.6
Westfield Large Cap Growth Fund LP 2011-12-21 81.7
HF Westfield Life Sciences Fund II Limited Partnership [2011-12-21] 0.5
HF Westfield Life Sciences Fund Limited Partnership [2011-12-21] 0.3
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 204 0.1
(b) Individuals (high net worth individuals) 460 1.2
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 15 7.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 15 3.6
(g) Pension and profit sharing plans 65 5.6
(h) Charitable organizations 110 1.3
(i) State or municipal government entities 36 3.7
(j) Other investment advisers 1 0.5
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 69 0.4
(n) Other 0 0.0
Total 975 23.6
By Discretionary
Discretionary 975 23.6
Non-Discretionary 0 0.0
Total 975 23.6
By Non-United States Persons
Non-United States Persons 1.5
United States Persons 22.1
Total 975 23.6
Form D Directors # Filings # Firms 2011 - 2025
William Muggia 9
Westfield Partners LLC 6
Westfield Capital Management Company LP 5
EDGAR Form CIK 2011 - 2025
13F-HR [0001177719]
3 [0001177719]
SC 13G [0001177719]
Form 13D/13G Filer Form 13D/13G Subject Filed
Westfield Capital Management Co LP Bicycle Therapeutics PLC [2025-02-11]
Westfield Capital Management Co LP Flywire Corp [2025-02-11]
Westfield Capital Management Co LP Mural Oncology PLC [2024-01-10]
Westfield Capital Management Co LP Ascendis Pharma A/S [2023-02-02]
Westfield Capital Management Co LP Innoviva Inc [2022-02-01]
Westfield Capital Management Co LP Ironwood Pharmaceuticals Inc [2021-01-07]
Westfield Capital Management Co LP Sitime Corp [2020-01-07]
Westfield Capital Management Co LP Medicines Co /DE [2019-02-07]
Westfield Capital Management Co LP Rush Enterprises Inc TX [2016-02-10]
Westfield Capital Management Co LP PTC Therapeutics Inc [2016-02-10]
View All
Form 3/4/5 Subject 2011 - 2025
Liberty All Star Growth Fund Inc
Westfield Capital Management Co LP
Comparable Firms State AUM ($B)
Muzinich & Co Inc
NY 27.3
First Pacific Advisors LP
CA 26.7
Voya Alternative Asset Management LLC
NY 25.8
BTG Pactual Asset Management US LLC
NY 25.6
Citi Global Alternatives LLC
NY 24.4
Summit Rock Advisors LP
NY 23.5
JP Morgan Alternative Asset Management Inc
NY 21.8
Segall Bryant & Hamill LLC
IL 21.3
Hirtle Callaghan & Co LLC
PA 21.0
Thompson Siegel & Walmsley LLC
VA 20.8
Terms | Privacy | Guide
tony@aum13f.com