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VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs
13F HOLDINGS REPORT

WESTFIELD CAPITAL MANAGEMENT CO LP

Quarter ended Q1 2025 · Filed May 9, 2025 · Accession 0001085146-25-002864

Total Value
$20.55B
Positions
244
Other Managers
0
Confidential Omitted
No
View on SEC.gov

Holdings (244)

#IssuerTicker / CUSIPSharesValue% of Filing
1ASCENDIS PHARMA A/SASND5,479,259$854.0M4.16%
2NVIDIA CORPORATIONNVDA7,336,654$795.1M3.87%
3APPLE INCAAPL3,401,183$755.5M3.68%
4MICROSOFT CORPMSFT1,832,611$687.9M3.35%
5AMAZON COM INCAMZN3,462,676$658.8M3.21%
6ALPHABET INCGOOG3,459,916$535.0M2.60%
7META PLATFORMS INCMETA898,538$517.9M2.52%
8AXON ENTERPRISE INCAXON927,801$488.0M2.37%
9TRANSDIGM GROUP INCTDG316,162$437.3M2.13%
10VISA INCV904,397$317.0M1.54%
11COMFORT SYS USA INC199908104889,639$286.8M1.40%
12LPL FINL HLDGS INC50212V100830,099$271.6M1.32%
13SERVICENOW INCNOW320,284$255.0M1.24%
14TAPESTRY INCTPR3,601,314$253.6M1.23%
15LEGEND BIOTECH CORPLEGN6,917,567$234.7M1.14%
16BROADCOM INCAVGO1,398,303$234.1M1.14%
17ELI LILLY & COLLY258,952$213.9M1.04%
18FTAI AVIATION LTDFTAIN1,892,451$210.1M1.02%
19SALESFORCE INCCRM782,929$210.1M1.02%
20PROGRESSIVE CORP743315103712,249$201.6M0.98%
21NETFLIX INCNFLX213,903$199.5M0.97%
22CHECK POINT SOFTWARE TECH LTM22465104864,717$197.1M0.96%
23VERTIV HOLDINGS COVRT2,377,572$171.7M0.84%
24CASELLA WASTE SYS INCCWST1,507,843$168.1M0.82%
25DEXCOM INCDXCM2,447,743$167.2M0.81%
26ARES MANAGEMENT CORPORATIONARES-PB1,128,415$165.4M0.81%
27MONDAY COM LTDMNDY665,164$161.7M0.79%
28PALANTIR TECHNOLOGIES INCPLTR1,898,437$160.2M0.78%
29GE VERNOVA INCGEV512,767$156.5M0.76%
30ATLASSIAN CORPORATIONTEAM736,388$156.3M0.76%
31LANTHEUS HLDGS INCLNTH1,589,145$155.1M0.75%
32BRINKER INTL INC109641100995,713$148.4M0.72%
33HOWMET AEROSPACE INCHWM1,135,059$147.3M0.72%
34OPTION CARE HEALTH INCOPCH4,144,537$144.9M0.70%
35INSULET CORPPODD538,247$141.3M0.69%
36DRAFTKINGS INC NEWDKNG4,225,024$140.3M0.68%
37COSTCO WHSL CORP NEW22160K105148,156$140.1M0.68%
38BANK AMERICA CORP0605051043,344,496$139.6M0.68%
39DYNATRACE INCDT2,910,553$137.2M0.67%
40SAMSARA INCIOT3,523,390$135.1M0.66%
41SAIA INCSAIA373,503$130.5M0.64%
42MONGODB INCMDB733,787$128.7M0.63%
43DICKS SPORTING GOODS INC253393102630,566$127.1M0.62%
44PROCORE TECHNOLOGIES INCPCOR1,879,226$124.1M0.60%
45UNITEDHEALTH GROUP INCUNH236,174$123.7M0.60%
46TESLA INCTSLA474,720$123.0M0.60%
47TEXAS ROADHOUSE INCTXRH702,048$117.0M0.57%
48REGAL REXNORD CORPORATIONRRX1,001,177$114.0M0.55%
49INTERNATIONAL PAPER CO4601461032,117,805$113.0M0.55%
50GALLAGHER ARTHUR J & CO363576109324,635$112.1M0.55%
51MASIMO CORPMASI671,479$111.9M0.54%
52BLUE OWL CAPITAL INCOWL5,553,781$111.3M0.54%
53TAIWAN SEMICONDUCTOR MFG LTD874039100655,367$108.8M0.53%
54INSMED INCINSM1,406,609$107.3M0.52%
55GLAUKOS CORPGKOS1,084,184$106.7M0.52%
56SHARKNINJA INCSN1,229,784$102.6M0.50%
57UNION PAC CORPUNP426,665$100.8M0.49%
58MSCI INCMSCI175,636$99.3M0.48%
59NATERA INCNTRA691,341$97.8M0.48%
60ORACLE CORPORCL-PD698,726$97.7M0.48%
61SHIFT4 PMTS INC82452J1091,186,149$96.9M0.47%
62GLOBANT S AGLOB820,445$96.6M0.47%
63HUBSPOT INCHUBS166,657$95.2M0.46%
64FLEX LTDFLEX2,873,012$95.0M0.46%
65TRADEWEB MKTS INC892672106630,032$93.5M0.46%
66KYNDRYL HLDGS INCKD2,911,964$91.4M0.44%
67FAIR ISAAC CORPFICO48,827$90.0M0.44%
68SOLENO THERAPEUTICS INCSLNO1,211,245$86.5M0.42%
69PALOMAR HLDGS INCPLMR618,598$84.8M0.41%
70ITT INCITT635,419$82.1M0.40%
71VAXCYTE INCPCVX2,155,137$81.4M0.40%
72IDEX CORP45167R104445,203$80.6M0.39%
73CENCORA INCCOR288,969$80.4M0.39%
74TWILIO INCTWLO818,964$80.2M0.39%
75KEMPER CORPKMPB1,192,664$79.7M0.39%
76RYAN SPECIALTY HOLDINGS INCRYAN1,078,233$79.6M0.39%
77APPLOVIN CORPAPP297,188$78.7M0.38%
78ROKU INCROKU1,117,739$78.7M0.38%
79PRIMERICA INCPRI276,225$78.6M0.38%
80WILLSCOT HLDGS CORPWSC2,803,085$77.9M0.38%
81S&P GLOBAL INCSPGI151,399$76.9M0.37%
82BRIGHT HORIZONS FAM SOL IN D109194100595,338$75.6M0.37%
83EAST WEST BANCORP INCEWBC817,306$73.4M0.36%
84MACOM TECH SOLUTIONS HLDGS I55405Y100721,904$72.5M0.35%
85BIRKENSTOCK HOLDING PLCBIRK1,572,685$72.1M0.35%
86SPROUTS FMRS MKT INC85208M102469,725$71.7M0.35%
87RHYTHM PHARMACEUTICALS INCRYTM1,341,092$71.0M0.35%
88PERMIAN RESOURCES CORPPR5,085,292$70.4M0.34%
89AVERY DENNISON CORPAVY394,064$70.1M0.34%
90AMETEK INCAME406,878$70.0M0.34%
91PURE STORAGE INC74624M1021,557,874$69.0M0.34%
92TRANSUNIONTRU830,028$68.9M0.34%
93HUNT J B TRANS SVCS INC445658107457,555$67.7M0.33%
94APOLLO GLOBAL MGMT INC03769M106493,602$67.6M0.33%
95WASTE CONNECTIONS INCWCN342,037$66.8M0.32%
96NU HLDGS LTDNU6,501,928$66.6M0.32%
97DESCARTES SYS GROUP INC249906108652,431$65.8M0.32%
98BADGER METER INCBMI344,010$65.4M0.32%
99FABRINETFN327,137$64.6M0.31%
100IRHYTHM TECHNOLOGIES INCIRTC617,078$64.6M0.31%
101DATADOG INCDDOG640,549$63.5M0.31%
102ICON PLCICLR361,912$63.3M0.31%
103MERUS N VN5749R1001,501,220$63.2M0.31%
104OKTA INCOKTA578,946$60.9M0.30%
105SENTINELONE INCS3,286,406$59.7M0.29%
106WIX COM LTDWIX364,332$59.5M0.29%
107VULCAN MATLS CO929160109254,781$59.4M0.29%
108RED ROCK RESORTS INCRRR1,360,609$59.0M0.29%
109ROBINHOOD MKTS INC7707001021,415,103$58.9M0.29%
110HILTON WORLDWIDE HLDGS INCHLT251,474$57.2M0.28%
111ROCKWELL AUTOMATION INCROK219,860$56.8M0.28%
112AXALTA COATING SYS LTDAXTA1,712,448$56.8M0.28%
113RAMBUS INC DELRMBS1,089,081$56.4M0.27%
114COPART INCCPRT991,920$56.1M0.27%
115MOONLAKE IMMUNOTHERAPEUTICSMLTX1,434,770$56.1M0.27%
116DIAMONDBACK ENERGY INCFANG344,596$55.1M0.27%
117AVIENT CORPORATIONAVNT1,475,318$54.8M0.27%
118BRAZE INCBRZE1,514,513$54.6M0.27%
119MUELLER WTR PRODS INC6247581082,118,561$53.9M0.26%
120LAM RESEARCH CORPLRCX736,520$53.5M0.26%
121CYTOKINETICS INCCYTK1,310,336$52.7M0.26%
122NEXTRACKER INCNXT1,243,151$52.4M0.25%
123GE HEALTHCARE TECHNOLOGIES IGEHC644,607$52.0M0.25%
124ALNYLAM PHARMACEUTICALS INCALNY192,172$51.9M0.25%
125WNS HLDGS LTDG98196101840,983$51.7M0.25%
126CSX CORPCSX1,753,021$51.6M0.25%
127HEALTHEQUITY INCHQY563,389$49.8M0.24%
128COINBASE GLOBAL INCCOIN288,763$49.7M0.24%
129NORTHERN OIL & GAS INCNOG1,636,938$49.5M0.24%
130MAPLEBEAR INCCART1,219,320$48.6M0.24%
131THE BALDWIN INSURANCE GRP IN05589G1021,076,847$48.1M0.23%
132KEYCORP4932671082,968,535$47.5M0.23%
133TERADYNE INCTER574,467$47.5M0.23%
134MCCORMICK & CO INCMKC-V571,698$47.1M0.23%
135TECHNIPFMC PLCFTI1,483,510$47.0M0.23%
136APPLIED INDL TECHNOLOGIES IN03820C105208,136$46.9M0.23%
137WINTRUST FINL CORP97650W108415,498$46.7M0.23%
138XENON PHARMACEUTICALS INCXENE1,391,370$46.7M0.23%
139ROCKET LAB USA INCRKLB2,586,532$46.2M0.23%
140HOULIHAN LOKEY INCHLI286,288$46.2M0.22%
141TALEN ENERGY CORPTLN229,674$45.9M0.22%
142SEMTECH CORPSMTC1,322,351$45.5M0.22%
143LINCOLN ELEC HLDGS INC533900106236,086$44.7M0.22%
144PROCEPT BIOROBOTICS CORPPRCT748,557$43.6M0.21%
145LIVE NATION ENTERTAINMENT INLYV322,451$42.1M0.20%
146FLUOR CORP NEWFLR1,142,294$40.9M0.20%
147SPOTIFY TECHNOLOGY S ASPOT74,210$40.8M0.20%
148BIO-TECHNE CORPTECH676,408$39.7M0.19%
149CHAMPIONX CORPORATION15872M1041,310,725$39.1M0.19%
150VISTRA CORPVST332,342$39.0M0.19%
151THE TRADE DESK INC88339J105712,098$39.0M0.19%
152CHURCHILL DOWNS INCCHDN346,452$38.5M0.19%
153MOOG INCMOG-B217,368$37.7M0.18%
154REVOLUTION MEDICINES INCRVMDW1,064,046$37.6M0.18%
155SILICON LABORATORIES INCSLAB330,897$37.2M0.18%
156CROWDSTRIKE HLDGS INCCRWD105,130$37.1M0.18%
157ABERCROMBIE & FITCH COANF479,651$36.6M0.18%
158WESTERN DIGITAL CORPWDC875,743$35.4M0.17%
159DAYFORCE INC15677J108587,439$34.3M0.17%
160BIO RAD LABS INC090572207134,671$32.8M0.16%
161ROCKET PHARMACEUTICALS INCRCKTW4,820,701$32.2M0.16%
16289BIO INC2825591033,894,741$28.3M0.14%
163ASTERA LABS INCALAB467,080$27.9M0.14%
164FORMFACTOR INCFORM913,330$25.8M0.13%
165COHERENT CORPCOHR395,504$25.7M0.12%
166KINSALE CAP GROUP INC49714P10851,624$25.1M0.12%
167ONTO INNOVATION INCONTO203,566$24.7M0.12%
168CREDO TECHNOLOGY GROUP HOLDICRDO605,805$24.3M0.12%
169BICYCLE THERAPEUTICS PLCBCYC2,657,305$22.6M0.11%
170GENIUS SPORTS LIMITEDGENI2,178,257$21.8M0.11%
171VEECO INSTRS INC DEL9224171001,059,504$21.3M0.10%
172PRIMORIS SVCS CORP74164F103362,729$20.8M0.10%
173GENEDX HOLDINGS CORPWGSWW222,477$19.7M0.10%
174EXTREME NETWORKSEXTR1,371,749$18.1M0.09%
175SPX TECHNOLOGIES INCSPXC128,615$16.6M0.08%
176ARISTA NETWORKS INCANET196,534$15.2M0.07%
177MARA HOLDINGS INCMARA1,287,869$14.8M0.07%
178MUELLER INDS INC624756102168,424$12.8M0.06%
179COCA COLA COKO178,810$12.8M0.06%
180URANIUM ENERGY CORPUEC2,606,954$12.5M0.06%
181CELESTICA INCCLS154,406$12.2M0.06%
182CINTAS CORPCTAS56,903$11.7M0.06%
183RIOT PLATFORMS INCRIOT1,635,177$11.6M0.06%
184WILLIAMS COS INC969457100177,064$10.6M0.05%
185ALPHABET INCGOOG62,285$9.7M0.05%
186AMERIPRISE FINL INC03076C10619,397$9.4M0.05%
187STAG INDL INC85254J102250,875$9.1M0.04%
188PROCTER AND GAMBLE CO74271810953,118$9.1M0.04%
189WILEY JOHN & SONS INC968223206186,014$8.3M0.04%
190PFIZER INCPFE315,697$8.0M0.04%
191TJX COS INC NEW87254010964,939$7.9M0.04%
192ALLEGRO MICROSYSTEMS INCALGM303,672$7.6M0.04%
193TOAST INCTOST229,968$7.6M0.04%
194TRACTOR SUPPLY COTSCO136,377$7.5M0.04%
195MEDTRONIC PLCMDT80,415$7.2M0.04%
196THERMO FISHER SCIENTIFIC INCTMO14,335$7.1M0.03%
197M & T BK CORP55261F10439,657$7.1M0.03%
198NEXTERA ENERGY INCNEE-PW98,747$7.0M0.03%
199CUMMINS INCCMI21,762$6.8M0.03%
200EQUINIX INCEQIX7,607$6.2M0.03%
201WALMART INCWMT69,966$6.1M0.03%
202GARTNER INCIT14,370$6.0M0.03%
203FIDELITY NATL INFORMATION SV31620M10679,940$6.0M0.03%
204COSTAR GROUP INCCSGP75,081$5.9M0.03%
205FIRST CTZNS BANCSHARES INC N31946M1033,186$5.9M0.03%
206ACCENTURE PLC IRELANDACN18,581$5.8M0.03%
207WILLIAMS SONOMA INCWSM35,723$5.6M0.03%
208GENPACT LIMITEDG111,368$5.6M0.03%
209RAYMOND JAMES FINL INC75473010940,095$5.6M0.03%
210SANOFISNYNF97,814$5.4M0.03%
211BOYD GAMING CORPBYD80,958$5.3M0.03%
212ROBERT HALF INC.RHI92,084$5.0M0.02%
213ROLLINS INCROL92,834$5.0M0.02%
214MARRIOTT INTL INC NEW57190320219,777$4.7M0.02%
215GLOBAL PMTS INC37940X10243,566$4.3M0.02%
216HEICO CORP NEWHEI-A20,130$4.2M0.02%
217F5 INCFFIV14,770$3.9M0.02%
218PAYLOCITY HLDG CORPPCTY18,840$3.5M0.02%
219DANAHER CORPORATION23585110215,810$3.2M0.02%
220AMERICAN INTL GROUP INC02687478436,560$3.2M0.02%
221HOME DEPOT INCHD6,978$2.6M0.01%
222ILLINOIS TOOL WKS INC4523081099,808$2.4M0.01%
223RANPAK HOLDINGS CORPPACK407,328$2.2M0.01%
224CIENA CORPCIEN31,750$1.9M0.01%
225INTUITIVE SURGICAL INCISRG2,339$1.2M0.01%
226NXP SEMICONDUCTORS N VNXPI5,948$1.1M0.01%
227BOOKING HOLDINGS INCBKNG210$967,4510.00%
228INTUITINTU1,410$865,7260.00%
229INTERNATIONAL BUSINESS MACHSINTR3,320$825,5510.00%
230APPLIED MATLS INC0382221055,159$748,6740.00%
231PLEXUS CORPPLXS5,200$666,2760.00%
232MERCADOLIBRE INCMELI313$610,6220.00%
233CARDINAL HEALTH INCCAH4,325$595,8550.00%
234EQT CORPEQT10,640$568,4950.00%
235TRANE TECHNOLOGIES PLCTT1,671$562,9930.00%
236ISHARES SILVER TRSLV16,760$519,3920.00%
237BOSTON SCIENTIFIC CORPBSX5,025$506,9220.00%
238COMERICA INC2003401078,560$505,5540.00%
239ISHARES TR4642874813,914$459,8690.00%
240ISHARES TR4642876141,192$430,4250.00%
241FISERV INCFISV1,650$364,3700.00%
242LENZ THERAPEUTICS INCLENZ10,159$261,1880.00%
243PTC THERAPEUTICS INCPTCT5,076$258,6730.00%
244LIGHTSPEED COMMERCE INCLSPD21,665$189,5690.00%