WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

Adviser information for WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P. last updated from Form ADV on March 7th, 2024. Select data displayed; additional Form ADV, Form D, Form 13F and other data is available from the Fincoded API.

Advisory Business

Type of Organization Limited Partnership
Fiscal Year End DECEMBER
Legal Location Delaware, United States

Employees

Total Number of Employees 59
Investment Advisory/Research 18
Registered Broker-Dealer Representatives 0
Registered State Investment Advisers 1
Licensed Agents of an Insurance Company 0
No. of Firms/People that Solicit Clients 0

RAUM

Provides Management of Securities Portfolios Yes
Type Accounts RAUM
Discretionary 794 $17.6B
Non-Discretionary 0 $0
Total 794 $17.6B

Clients

Type Number RAUM
Individuals 139 $88.6M
HNW Individuals 387 $969.7M
Banking or thrift institutions 0 $0
Investment companies 12 $4.0B
Business development companies 0 $0
Pooled investment vehicles 12 $2.4B
Pension and profit sharing plans 68 $4.8B
Charitable organizations 105 $1.2B
State or municipal gov entities 31 $3.2B
Other investment advisers <5 $304.1M
Insurance companies 0 $0
Sovereign wealth funds and foreign official institutions 0 $0
Corporations or other businesses 39 $425.0M
Other 0 $0
Type Number
No. of Non-RAUM Clients 11
No. of Non-U.S. Clients 6

Services

Advisory Services Portfolio management for individuals and/or small businessesPortfolio management for investment companiesPortfolio management for pooled investment vehiclesPortfolio management for businesses or institutional clients
Compensation % of AUMPerformance-based fees

Wrap Fee Program

Offers Wrap Fee Program Yes
Acting As RAUM
Sponsor 0
Portfolio Manager 604.1M
Both for Same 0
Portfolio Manager to Program Sponsor
MORGAN STANLEY SMITH BARNEY LLC SELECT UMA WRAP FEE INVESTMENT ADVISORY PROGRAM MORGAN STANLEY SMITH BARNEY LLC
ASSET MANAGEMENT CONSULTING PROGRAM THOMAS WEISEL PARTNERS, LLC
GLOBAL MANAGER STRATEGIES SEPARATE ACCOUNTS PROGRAM GOLDMAN SACHS & CO.
UBS ACCESS AND STRATEGIC WEALTH PORTFOLIO PROGRAMS UBS FINANCIAL SERVICES
WELLS FARGO BANK, NATIONAL ASSOCIATION MID CAP GROWTH WRAP PROGRAM WELLS FARGO BANK, NATIONAL ASSOCIATION

Identifiers

SEC RIA File Number 801-69413
SEC ERA File Number 801-69413
SEC CIK Numbers 1177719
SEC CRD Numbers 146990
Legal Entity Identifier None

Principal Office

ONE FINANCIAL CENTER
BOSTON
MA
United States
Monday - Friday, 8:30AM - 5:00PM
Tel: (617) 428-7100, Fax: (617) 428-7190

Chief Compliance Officer

KATHRYN KEARNEY
PARTNER, CHIEF FINANCIAL OFFICER
ONE FINANCIAL CENTER
BOSTON
MA
United States
Tel: (617) 428-7149
Fax: (617) 428-7190
(Full email address available in API data)

Regulatory Contact

BRANDI MCMAHON
VICE PRESIDENT, DEPUTY CHIEF COMPLIANCE OFFICER
ONE FINANCIAL CENTER
BOSTON
MA
United States
Tel: (617) 428-7136
Fax: (617) 428-7190
(Full email address available in API data)

Industry Affiliates

None

Private Funds

Name Type Assets $USD Min Investment $USD No. Owners
WESTFIELD ABSOLUTE RETURN FUND LIMITED PARTNERSHIP Hedge Fund $32.5M $0.5M 20
WESTFIELD DISRUPTIVE INNOVATION FUND LP LIMITED PARTNERSHIP $2.1M $1.0M 4
WESTFIELD SELECT GROWTH EQUITY LP LIMITED PARTNERSHIP $22.8M $1.0M 8

Control Persons

Name Type Entity Title Since Ownership
WMS GENERAL PARTNER LLC Domestic Entity GENERAL PARTNER 06/2008 < 5%
WMS MANAGEMENT LLC Domestic Entity LIMITED PARTNER 06/2008 > 75%
MUGGIA, WILLIAM, ALBERT Individual CHIEF EXECUTIVE OFFICER AND CHIEF INVESTMENT OFFICER 11/2001 < 5%
WMS MANAGEMENT LLC Domestic Entity WMS GENERAL PARTNER LLC SOLE MEMBER 06/2008 > 75%
MUGGIA, WILLIAM, ALBERT Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 06/2008 50-75%
KEARNEY, KATHRYN, ANN Individual PARTNER, CHIEF FINANCIAL OFFICER AND CHIEF COMPLIANCE OFFICER 12/2012 < 5%
FLORES, ROBERT, TIZOC Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2013
LEE, RICHARD, DAILYONG Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2013
MEYERS, ETHAN, JOSEPH Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2013
MONTGOMERY, JOHN, MORGEN Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2013
MONTGOMERY, JOHN, MORGEN Individual CHIEF OPERATING OFFICER 01/2015 < 5%
LEE, RICHARD, DAILYONG Individual CHIEF INVESTMENT OFFICER 01/2016 < 5%
KEARNEY, KATHRYN, ANN Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2021
MULLER, JENNY, ANN Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2021
RENNA, MATTHEW, ROBERT Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2021
MOSCARDELLI, JUSTIN, MATTHEW Individual WMS MANAGEMENT LLC MEMBER OF MANAGEMENT COMMITTEE 01/2024

No. Employees, Historic

70350201920202021202220232024202560 on 7/9/201960 on 9/5/201960 on 10/9/201958 on 3/10/202057 on 5/8/202057 on 6/19/202061 on 3/8/202161 on 9/1/202161 on 9/8/202159 on 3/14/202259 on 5/23/202259 on 7/19/202259 on 8/4/202259 on 11/3/202259 on 3/10/202359 on 4/17/202359 on 7/21/202359 on 9/28/202359 on 3/7/2024

RAUM, Historic

20B10B0201920202021202220232024202511860738403 on 7/9/201911860738403 on 9/5/201911860738403 on 10/9/201914462520889 on 3/10/202014462520889 on 5/8/202014462520889 on 6/19/202017123083785 on 3/8/202117123083785 on 9/1/202117123083785 on 9/8/202117023240581 on 3/14/202217023240581 on 5/23/202217023240581 on 7/19/202217023240581 on 8/4/202217023240581 on 11/3/202213315528816 on 3/10/202313315528816 on 4/17/202313315528816 on 7/21/202313315528816 on 9/28/202317556838117 on 3/7/2024

No. Clients, Historic

80040002019202020212022202320242025783 on 7/9/2019783 on 9/5/2019783 on 10/9/2019732 on 3/10/2020732 on 5/8/2020732 on 6/19/2020740 on 3/8/2021740 on 9/1/2021740 on 9/8/2021756 on 3/14/2022756 on 5/23/2022756 on 7/19/2022756 on 8/4/2022756 on 11/3/2022759 on 3/10/2023759 on 4/17/2023759 on 7/21/2023759 on 9/28/2023794 on 3/7/2024

Holdings

From latest 13F, filed August 14th, 2024 for period ending June 30th, 2024
Name Class Value $USD # Shares Private Fund
89BIO INC COM 19M 2M
AAON INC COM PAR $0.004 840K 10K
ABBVIE INC COM 172M 1M
ADVANCED MICRO DEVICES INC COM 121M 746K
ALIGN TECHNOLOGY INC COM 46M 191K
ALKERMES PLC SHS 32M 1M
ALLEGRO MICROSYSTEMS INC COM 37M 1M
ALPHABET INC CAP STK CL A 565M 3M
ALPHABET INC CAP STK CL C 13M 69K
AMAZON COM INC COM 634M 3M
AMERICAN INTL GROUP INC COM NEW 136M 2M
AMERIPRISE FINL INC COM 9M 21K
AMETEK INC COM 74M 443K
ANALOG DEVICES INC COM 23M 102K
APOLLO GLOBAL MGMT INC COM 74M 630K
APPLE INC COM 803M 4M
APPLIED MATLS INC COM 2M 10K
ARES MANAGEMENT CORPORATION CL A COM STK 132M 992K
ASCENDIS PHARMA A/S SPONSORED ADR 677M 5M
ASML HOLDING N V N Y REGISTRY SHS 67M 66K
AVANTOR INC COM 58M 3M
AVERY DENNISON CORP COM 107M 488K
AVIENT CORPORATION COM 64M 1M
AXALTA COATING SYS LTD COM 69M 2M
AXON ENTERPRISE INC COM 308M 1M
AZEK CO INC CL A 68M 2M
BANK AMERICA CORP COM 10M 244K
BICYCLE THERAPEUTICS PLC SPONSORED ADS 31M 2M
BIO RAD LABS INC CL A 66M 243K
BLOCK INC CL A 348K 5K
BLUE OWL CAPITAL INC COM CL A 114M 6M
BOOKING HOLDINGS INC COM 832K 210
BRIGHT HORIZONS FAM SOL IN D COM 75M 685K
BROADCOM INC COM 58M 36K
BUILDERS FIRSTSOURCE INC COM 1M 8K
CADENCE DESIGN SYSTEM INC COM 169M 550K
CAMECO CORP COM 34M 698K
CAMTEK LTD ORD 978K 8K
CASELLA WASTE SYS INC CL A 90M 911K
CCC INTELLIGENT SOLUTIONS HL COM 46M 4M
CDW CORP COM 74M 330K
CELANESE CORP DEL COM 55M 409K
CELESTICA INC COM 24M 426K
CHAMPIONX CORPORATION COM 36M 1M
CHIPOTLE MEXICAN GRILL INC COM 160M 3M
CHURCHILL DOWNS INC COM 53M 382K
CINTAS CORP COM 11M 15K
CISCO SYS INC COM 69M 1M
COCA COLA CO COM 12M 191K
COHERENT CORP COM 79M 1M
COINBASE GLOBAL INC COM CL A 45M 203K
COMFORT SYS USA INC COM 263M 865K
CONOCOPHILLIPS COM 5M 47K
CONSTELLATION BRANDS INC CL A 113M 441K
COOPER COS INC COM 58M 659K
COPART INC COM 87M 2M
COSTAR GROUP INC COM 128M 2M
COSTCO WHSL CORP NEW COM 124M 145K
CREDO TECHNOLOGY GROUP HOLDI ORDINARY SHARES 29M 908K
CSX CORP COM 956K 29K
CUMMINS INC COM 5M 19K
CYTOKINETICS INC COM NEW 47M 874K
DANAHER CORPORATION COM 5M 22K
DATADOG INC CL A COM 74M 567K
DAYFORCE INC COM 23M 469K
DESCARTES SYS GROUP INC COM 55M 565K
DEVON ENERGY CORP NEW COM 42M 896K
DEXCOM INC COM 223M 2M
DIAMONDBACK ENERGY INC COM 70M 349K
DRAFTKINGS INC NEW COM CL A 132M 3M
DYNATRACE INC COM NEW 92M 2M
E L F BEAUTY INC COM 348K 2K
EAST WEST BANCORP INC COM 27M 372K
ELEVANCE HEALTH INC COM 666K 1K
ELI LILLY & CO COM 27M 30K
ENPHASE ENERGY INC COM 30M 299K
ENVESTNET INC COM 35M 565K
F5 INC COM 105M 610K
FABRINET SHS 50M 203K
FAIR ISAAC CORP COM 124M 83K
FERGUSON PLC NEW SHS 6M 31K
FIDELITY NATL INFORMATION SV COM 5M 70K
FIFTH THIRD BANCORP COM 7M 199K
FIRST CTZNS BANCSHARES INC N CL A 55M 33K
FIVE BELOW INC COM 2M 18K
FLEX LTD ORD 86M 3M
FLYWIRE CORPORATION COM VTG 86M 5M
FREEPORT-MCMORAN INC CL B 6M 133K
FTAI AVIATION LTD SHS 92M 887K
GALLAGHER ARTHUR J & CO COM 66M 256K
GARTNER INC COM 6M 14K
GE HEALTHCARE TECHNOLOGIES I COMMON STOCK 68M 878K
GITLAB INC CLASS A COM 45M 909K
GLOBAL PMTS INC COM 91M 939K
GLOBANT S A COM 103M 576K
HAEMONETICS CORP MASS COM 61M 743K
HEICO CORP NEW CL A 4M 20K
HERSHEY CO COM 7M 41K
HILTON WORLDWIDE HLDGS INC COM 57M 262K
HOME DEPOT INC COM 107M 311K
HUBBELL INC COM 89M 244K
HUBSPOT INC COM 114M 193K
HUNT J B TRANS SVCS INC COM 73M 457K
ICHOR HOLDINGS SHS 21M 556K
ICON PLC SHS 165M 528K
IDEX CORP COM 79M 391K
IDEXX LABS INC COM 55M 113K
ILLINOIS TOOL WKS INC COM 3M 13K
IMPINJ INC COM 43M 275K
INNOVIVA INC COM 44M 3M
INSIGHT ENTERPRISES INC COM 74M 374K
INSULET CORP COM 119M 591K
INTERNATIONAL BUSINESS MACHS COM 17M 98K
INTRA-CELLULAR THERAPIES INC COM 71M 1M
INTUIT COM 927K 1K
IRHYTHM TECHNOLOGIES INC COM 66M 609K
ISHARES TR RUS MD CP GR ETF 267K 2K
ITT INC COM 83M 642K
JABIL INC COM 31M 287K
KEMPER CORP COM 27M 463K
KEYCORP COM 32M 2M
KINSALE CAP GROUP INC COM 35M 90K
KYNDRYL HLDGS INC COMMON STOCK 53M 2M
LANTHEUS HLDGS INC COM 132M 2M
LEGEND BIOTECH CORP SPONSORED ADS 211M 5M
LIGHTSPEED COMMERCE INC SUB VTG SHS 35M 3M
LINCOLN ELEC HLDGS INC COM 43M 230K
LIVE NATION ENTERTAINMENT IN COM 38M 402K
LPL FINL HLDGS INC COM 163M 585K
LULULEMON ATHLETICA INC COM 211K 706
M/I HOMES INC COM 130M 1M
MACOM TECH SOLUTIONS HLDGS I COM 112M 1M
MARQETA INC CLASS A COM 44M 8M
MARVELL TECHNOLOGY INC COM 15M 220K
MASIMO CORP COM 143M 1M
MEDIAALPHA INC CL A 445K 34K
MERCK & CO INC COM 12M 100K
MERCURY GENL CORP NEW COM 337K 6K
MERITAGE HOMES CORP COM 62M 381K
META PLATFORMS INC CL A 434M 862K
METTLER TOLEDO INTERNATIONAL COM 259K 185
MGM RESORTS INTERNATIONAL COM 59M 1M
MICROCHIP TECHNOLOGY INC. COM 50M 550K
MICROSOFT CORP COM 825M 2M
MICROSTRATEGY INC CL A NEW 366K 266
MKS INSTRS INC COM 3M 24K
MONDAY COM LTD SHS 141M 586K
MONGODB INC CL A 122M 489K
MOONLAKE IMMUNOTHERAPEUTICS CLASS A ORD 49M 1M
MSCI INC COM 62M 128K
MUELLER INDS INC COM 10M 180K
MURAL ONCOLOGY PUB LTD CO ORD SHS 2M 743K
NANO DIMENSION LTD SPONSORD ADS NEW 328K 149K
NATIONAL STORAGE AFFILIATES COM SHS BEN IN 324K 8K
NEUROCRINE BIOSCIENCES INC COM 67M 485K
NEXTERA ENERGY INC COM 8M 107K
NEXTRACKER INC CLASS A COM 48M 1M
NORTHERN OIL & GAS INC COM 70M 2M
NOVA LTD COM 42M 180K
NU HLDGS LTD ORD SHS CL A 54M 4M
NVIDIA CORPORATION COM 877M 7M
NXP SEMICONDUCTORS N V COM 119M 444K
ODDITY TECH LTD SHS CL A 59M 2M
OLD DOMINION FREIGHT LINE IN COM 441K 2K
ON HLDG AG NAMEN AKT A 61M 2M
OPTION CARE HEALTH INC COM NEW 163M 6M
OVINTIV INC COM 71M 2M
PALANTIR TECHNOLOGIES INC CL A 107M 4M
PALOMAR HLDGS INC COM 26M 317K
PATTERSON-UTI ENERGY INC COM 43M 4M
PAYLOCITY HLDG CORP COM 38M 291K
PERMIAN RESOURCES CORP CLASS A COM 80M 5M
PFIZER INC COM 8M 275K
PLEXUS CORP COM 9M 87K
PRIMERICA INC COM 63M 265K
PROCORE TECHNOLOGIES INC COM 46M 694K
PROGRESSIVE CORP COM 190M 914K
PTC INC COM 116M 638K
PURE STORAGE INC CL A 49M 769K
RAMBUS INC DEL COM 32M 546K
RANPAK HOLDINGS CORP COM CL A 2M 371K
RAYMOND JAMES FINL INC COM 5M 40K
RED ROCK RESORTS INC CL A 60M 1M
REGAL REXNORD CORPORATION COM 78M 580K
REPAY HLDGS CORP COM CL A 358K 34K
REPLIGEN CORP COM 32M 256K
REVOLVE GROUP INC CL A 33M 2M
ROCKET PHARMACEUTICALS INC COM 93M 4M
ROCKWELL AUTOMATION INC COM 82M 296K
ROKU INC COM CL A 41M 679K
ROSS STORES INC COM 114M 787K
S&P GLOBAL INC COM 56M 125K
SAIA INC COM 129M 272K
SALESFORCE INC COM 158M 614K
SAMSARA INC COM CL A 114M 3M
SANOFI SPONSORED ADR 6M 118K
SAP SE SPON ADR 135M 671K
SCHWAB CHARLES CORP COM 80M 1M
SELECTIVE INS GROUP INC COM 29M 309K
SENSATA TECHNOLOGIES HLDG PL SHS 82M 2M
SENTINELONE INC CL A 67M 3M
SERVICENOW INC COM 282M 358K
SHIFT4 PMTS INC CL A 106M 1M
SMARTSHEET INC COM CL A 63M 1M
STAG INDL INC COM 44M 1M
SUN CMNTYS INC COM 73M 604K
SUPER MICRO COMPUTER INC COM 760K 928
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 184M 1M
TAPESTRY INC COM 63M 1M
TENABLE HLDGS INC COM 39M 890K
TERADYNE INC COM 49M 333K
TERRENO RLTY CORP COM 523K 9K
TESLA INC COM 87M 438K
TEXAS ROADHOUSE INC COM 136M 789K
THE TRADE DESK INC COM CL A 50M 513K
THERMO FISHER SCIENTIFIC INC COM 10M 18K
TIMKEN CO COM 4M 48K
TJX COS INC NEW COM 8M 69K
TRACTOR SUPPLY CO COM 8M 29K
TRADEWEB MKTS INC CL A 52M 491K
TRANE TECHNOLOGIES PLC SHS 1M 4K
TRANSDIGM GROUP INC COM 464M 363K
UBER TECHNOLOGIES INC COM 206M 3M
UNION PAC CORP COM 97M 427K
UNITEDHEALTH GROUP INC COM 104M 204K
UNIVERSAL DISPLAY CORP COM 35M 165K
VALERO ENERGY CORP COM 8M 53K
VAXCYTE INC COM 146M 2M
VEECO INSTRS INC DEL COM 40M 856K
VERTEX PHARMACEUTICALS INC COM 255K 544
VERTIV HOLDINGS CO COM CL A 309M 4M
VIKING THERAPEUTICS INC COM 42M 787K
VISA INC COM CL A 232M 882K
VISTRA CORP COM 24M 277K
VULCAN MATLS CO COM 75M 303K
WALMART INC COM 64M 945K
WASTE CONNECTIONS INC COM 62M 356K
WATSCO INC COM 10M 22K
WEX INC COM 42M 237K
WILEY JOHN & SONS INC CL A 8M 198K
WILLIAMS COS INC COM 8M 189K
WILLSCOT MOBIL MINI HLDNG CO COM CL A 119M 3M
WINGSTOP INC COM 184M 436K
WINTRUST FINL CORP COM 21M 209K
WNS HLDGS LTD COM SHS 55M 1M
XENON PHARMACEUTICALS INC COM 25M 644K
ZEBRA TECHNOLOGIES CORPORATI CL A 53M 170K
ZSCALER INC COM 57M 299K