Westfield Capital Management Company LP

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Westfield Capital Management Company LP
✚
CRD #146990
SEC #801-69413
CIK #0001177719
AUM 24.40 B (2026-03-11)
Employees 61 (28% Investors, 0% Brokers)
Fees
Minimum
Phone617-428-7100
AddressOne Financial Center
Boston, MA 02111
Source [IAPD] [EDGAR] [Website] [Twitter] [LinkedIn]
Total AUM ($B)
25201510502007201320202027
CIK Period
0001177719
Sector Form 13F Holdings Value ($B)
Nvidia Corp 1.2
Ascendis Pharma A/S 1.1
Apple Inc 0.9
Comfort Systems USA Inc 0.9
Fortress Transportation & Infrastructure Investors LLC 0.7
Microsoft Corp 0.7
Alphabet Inc 0.6
Alcoa Inc 0.5
GS Acquisition Holdings Corp 0.5
Amazon Com Inc 0.5
Taser International Inc 0.5
Broadcom Inc 0.4
Lilly Eli & Co 0.3
Facebook Inc 0.3
Coach Inc 0.3
LPL Investment Holdings Inc 0.3
MKS Instruments Inc 0.2
Insmed Inc 0.2
Vaxcyte Inc 0.2
Vector Acquisition Corp 0.2
Netflix Inc 0.2
API Group Corp 0.2
Quanta Services Inc 0.2
GE Vernova Inc 0.2
Ares Management LP 0.2
Rhythm Pharmaceuticals Inc 0.2
Marvell Technology Inc 0.2
Taiwan Semiconductor Manufacturing Co Ltd 0.2
Bloom Energy Corp 0.2
Samsara Inc 0.2
Prev | Page 1 | Next
Type Form D Funds Date Sold AUM
Other Westfield Disruptive Innovation Fund LP [2021-03-08] 0.6 M 2.1 M
Filed 2024-02-15 (D/A) · Exemption 3(c)(1), 506(b), 3(c) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
Other Westfield Health Care Fund LP [2021-03-08] 2.5 M 4.0 M
Filed 2022-02-08 (D/A) · Exemption 506(b), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
Other Westfield Emerging Markets Small Cap Fund LP [2017-06-23] 10.0 M 11.5 M
Filed 2018-04-10 (D/A) · Exemption 506(b), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
Other Westfield Global Dividend Growth Fund LP [2016-11-15] 2.3 M 1.2 M
Filed 2017-10-16 (D/A) · Exemption 506(b), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
PE Westfield Capital SPV I LP [2015-10-15] 12.2 M 0.1 M
Offered $12,200,000 · Filed 2015-10-08 (D) · Exemption 506(b), 3(c)(1) · Minimum $200,000 · Duration One year or less · Revenue Decline to Disclose
Other Westfield Select Growth Equity LP [2014-03-18] 7.5 M 35.4 M
Filed 2025-07-31 (D/A) · Exemption 3(c)(1), 506(b), 3(c) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Westfield Absolute Return Fund Limited Partnership 2011-12-21 35.7 M
Westfield Dividend Growth Fund Limited Partnership [2011-12-21] 32.9 M 12.6 M
Filed 2012-03-26 (D) · Exemption 506, 3(c)(1) · Minimum $1,000,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
Westfield Large Cap Growth Fund LP 2011-12-21 81.7 M
HF Westfield Life Sciences Fund II Limited Partnership [2011-12-21] 0.5 M
View All
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 274 0.1
(b) Individuals (high net worth individuals) 505 1.3
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 13 7.1
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 15 3.7
(g) Pension and profit sharing plans 61 5.5
(h) Charitable organizations 127 1.4
(i) State or municipal government entities 38 4.2
(j) Other investment advisers 1 0.6
(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 84 0.4
(n) Other 0 0.0
Total 1,118 24.4
By Discretionary
Discretionary 1,118 24.4
Non-Discretionary 0 0.0
Total 1,118 24.4
By Non-United States Persons
Non-United States Persons 1.8
United States Persons 22.6
Total 1,118 24.4
Form D Directors Role # Filings # Firms 2011 - 2026
William Muggia Executive Officer 9 2
Westfield Partners LLC Executive Officer 6 2
Westfield Capital Management Company LP Executive Officer, Promoter 5 1
EDGAR Form CIK 2011 - 2026
13F-HR [0001177719]
3 [0001177719]
SC 13G [0001177719]
Form 13D/13G Filer Form 13D/13G Subject Filed
Westfield Capital Management Co LP IMAX Corp [2026-05-05]
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 PTC Therapeutics Inc [2016-02-10]
View All
Firm Profile (Form ADV)
Discretionary AUM$14.1B
Clients12 (8 non-US)
ServesInstitutional, Retail
Fund TypesHedge Fund, Private Equity
Form 3/4/5 Subject 2011 - 2026
Westfield Capital Management Co LP
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