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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 Q2 2025 · Filed August 12, 2025 · Accession 0001085146-25-004820

Total Value
$23.84B
Positions
239
Other Managers
0
Confidential Omitted
No
View on SEC.gov

Holdings (239)

#IssuerTicker / CUSIPSharesValue% of Filing
1NVIDIA CORPORATIONNVDA7,545,345$1.19B5.00%
2ASCENDIS PHARMA A/SASND5,451,401$940.9M3.95%
3MICROSOFT CORPMSFT1,757,424$874.2M3.67%
4APPLE INCAAPL3,494,184$716.9M3.01%
5AMAZON COM INCAMZN3,100,452$680.2M2.85%
6AXON ENTERPRISE INCAXON790,079$654.1M2.74%
7META PLATFORMS INCMETA858,402$633.6M2.66%
8COMFORT SYS USA INC199908104936,412$502.1M2.11%
9ALPHABET INCGOOG2,571,637$453.2M1.90%
10TRANSDIGM GROUP INCTDG290,013$441.0M1.85%
11BROADCOM INCAVGO1,336,142$368.3M1.54%
12HOWMET AEROSPACE INCHWM1,915,955$356.6M1.50%
13VERTIV HOLDINGS COVRT2,637,409$338.7M1.42%
14NETFLIX INCNFLX251,923$337.4M1.41%
15SERVICENOW INCNOW298,276$306.7M1.29%
16TAPESTRY INCTPR3,419,245$300.2M1.26%
17LPL FINL HLDGS INC50212V100782,232$293.3M1.23%
18VISA INCV796,463$282.8M1.19%
19ELI LILLY & COLLY307,493$239.7M1.01%
20LEGEND BIOTECH CORPLEGN6,472,547$229.7M0.96%
21BRINKER INTL INC1096411001,236,583$223.0M0.94%
22FTAI AVIATION LTDFTAIN1,915,411$220.3M0.92%
23DEXCOM INCDXCM2,380,238$207.8M0.87%
24MONDAY COM LTDMNDY646,320$203.3M0.85%
25BANK AMERICA CORP0605051044,217,760$199.6M0.84%
26MASIMO CORPMASI1,181,203$198.7M0.83%
27FABRINETFN663,310$195.5M0.82%
28ARES MANAGEMENT CORPORATIONARES-PB1,078,769$186.8M0.78%
29CASELLA WASTE SYS INCCWST1,552,307$179.1M0.75%
30SALESFORCE INCCRM647,474$176.6M0.74%
31GE VERNOVA INCGEV325,288$172.1M0.72%
32DYNATRACE INCDT2,951,726$163.0M0.68%
33CHECK POINT SOFTWARE TECH LTM22465104678,958$150.2M0.63%
34BADGER METER INCBMI612,809$150.1M0.63%
35ORACLE CORPORCL-PD678,940$148.4M0.62%
36COSTCO WHSL CORP NEW22160K105144,626$143.2M0.60%
37AUTOZONE INCAZO38,182$141.7M0.59%
38SAMSARA INCIOT3,549,106$141.2M0.59%
39TESLA INCTSLA438,413$139.3M0.58%
40SHARKNINJA INCSN1,404,751$139.1M0.58%
41INSMED INCINSM1,339,288$134.8M0.57%
42HEALTHEQUITY INCHQY1,265,208$132.5M0.56%
43TEXAS ROADHOUSE INCTXRH705,622$132.2M0.55%
44TAIWAN SEMICONDUCTOR MFG LTD874039100580,313$131.4M0.55%
45APPLIED MATLS INC038222105694,431$127.1M0.53%
46REGAL REXNORD CORPORATIONRRX870,131$126.1M0.53%
47SEMTECH CORPSMTC2,747,260$124.0M0.52%
48LANTHEUS HLDGS INCLNTH1,495,072$122.4M0.51%
49GLAUKOS CORPGKOS1,167,853$120.6M0.51%
50PROGRESSIVE CORP743315103450,331$120.2M0.50%
51ROBLOX CORPRBLX1,141,073$120.0M0.50%
52SOLENO THERAPEUTICS INCSLNO1,429,756$119.8M0.50%
53DRAFTKINGS INC NEWDKNG2,643,325$113.4M0.48%
54NATERA INCNTRA669,889$113.2M0.47%
55ROYAL CARIBBEAN GROUPV7780T103352,525$110.4M0.46%
56INTERNATIONAL PAPER CO4601461032,323,693$108.8M0.46%
57APOLLO GLOBAL MGMT INC03769M106761,721$108.1M0.45%
58MERUS N VN5749R1002,042,388$107.4M0.45%
59ROLLINS INCROL1,878,134$106.0M0.44%
60ITT INCITT657,250$103.1M0.43%
61RHYTHM PHARMACEUTICALS INCRYTM1,629,468$103.0M0.43%
62PROCORE TECHNOLOGIES INCPCOR1,504,787$103.0M0.43%
63GALLAGHER ARTHUR J & CO363576109321,606$103.0M0.43%
64LIVE NATION ENTERTAINMENT INLYV677,730$102.5M0.43%
65MACOM TECH SOLUTIONS HLDGS I55405Y100709,433$101.7M0.43%
66VISTRA CORPVST519,286$100.6M0.42%
67TWILIO INCTWLO806,789$100.3M0.42%
68GLOBANT S AGLOB1,100,526$100.0M0.42%
69VAXCYTE INCPCVX3,068,898$99.8M0.42%
70KYNDRYL HLDGS INCKD2,375,354$99.7M0.42%
71OPTION CARE HEALTH INCOPCH3,061,474$99.4M0.42%
72BLUE OWL CAPITAL INCOWL5,152,460$99.0M0.42%
73ROKU INCROKU1,097,707$96.5M0.40%
74HEICO CORP NEWHEI-A361,062$93.4M0.39%
75UNION PAC CORPUNP400,295$92.1M0.39%
76PROCEPT BIOROBOTICS CORPPRCT1,598,349$92.1M0.39%
77DOORDASH INCDASH368,152$90.8M0.38%
78CLOUDFLARE INCNET448,696$87.9M0.37%
79RYAN SPECIALTY HOLDINGS INCRYAN1,279,815$87.0M0.36%
80GARTNER INCIT212,927$86.1M0.36%
81ROCKET LAB CORPRKLB2,365,048$84.6M0.35%
82KEMPER CORPKMPB1,310,206$84.6M0.35%
83SNOWFLAKE INCSNOW373,623$83.6M0.35%
84MSCI INCMSCI144,360$83.3M0.35%
85BIRKENSTOCK HOLDING PLCBIRK1,676,950$82.5M0.35%
86KEYCORP4932671084,678,788$81.5M0.34%
87TRANSUNIONTRU922,286$81.2M0.34%
88INTERCONTINENTAL EXCHANGE IN45866F104440,726$80.9M0.34%
89CENCORA INCCOR268,752$80.6M0.34%
90SPROUTS FMRS MKT INC85208M102478,370$78.8M0.33%
91WILLSCOT HLDGS CORPWSC2,861,031$78.4M0.33%
92FAIR ISAAC CORPFICO42,304$77.3M0.32%
93IDEX CORP45167R104438,664$77.0M0.32%
94UNITEDHEALTH GROUP INCUNH230,033$71.8M0.30%
95NEXTRACKER INCNXT1,317,564$71.6M0.30%
96AMETEK INCAME395,416$71.6M0.30%
97ROCKWELL AUTOMATION INCROK214,680$71.3M0.30%
98PINTEREST INCPINS1,986,093$71.2M0.30%
99TOAST INCTOST1,602,654$71.0M0.30%
100HUBSPOT INCHUBS125,407$69.8M0.29%
101RED ROCK RESORTS INCRRR1,339,886$69.7M0.29%
102COHERENT CORPCOHR774,235$69.1M0.29%
103PRIMERICA INCPRI250,151$68.5M0.29%
104MONGODB INCMDB325,233$68.3M0.29%
105SPOTIFY TECHNOLOGY S ASPOT88,931$68.2M0.29%
106MAPLEBEAR INCCART1,482,228$67.1M0.28%
107SHIFT4 PMTS INC82452J109676,228$67.0M0.28%
108INSULET CORPPODD212,749$66.8M0.28%
109DESCARTES SYS GROUP INC249906108649,631$66.0M0.28%
110TRADEWEB MKTS INC892672106447,615$65.5M0.27%
111HILTON WORLDWIDE HLDGS INCHLT245,371$65.4M0.27%
112VEEVA SYS INCVEEV226,569$65.2M0.27%
113VULCAN MATLS CO929160109248,683$64.9M0.27%
114QUANTA SVCS INC74762E102170,057$64.3M0.27%
115PALOMAR HLDGS INCPLMR407,936$62.9M0.26%
116WASTE CONNECTIONS INCWCN335,019$62.6M0.26%
117HOULIHAN LOKEY INCHLI345,524$62.2M0.26%
118RAMBUS INC DELRMBS962,419$61.6M0.26%
119WIX COM LTDWIX385,952$61.2M0.26%
120ALNYLAM PHARMACEUTICALS INCALNY186,905$60.9M0.26%
121REVOLUTION MEDICINES INCRVMDW1,649,404$60.7M0.25%
122PURE STORAGE INC74624M1021,033,724$59.5M0.25%
123MOONLAKE IMMUNOTHERAPEUTICSMLTX1,259,376$59.4M0.25%
124BRIGHT HORIZONS FAM SOL IN D109194100471,627$58.3M0.24%
125COMMVAULT SYS INCCVLT333,753$58.2M0.24%
126OKTA INCOKTA570,323$57.0M0.24%
127KINSALE CAP GROUP INC49714P108117,394$56.8M0.24%
128SYNOPSYS INCSNPS108,571$55.7M0.23%
129OREILLY AUTOMOTIVE INC67103H107612,389$55.2M0.23%
130WESTERN DIGITAL CORPWDC862,236$55.2M0.23%
131WINTRUST FINL CORP97650W108440,858$54.7M0.23%
132CSX CORPCSX1,673,055$54.6M0.23%
133GENEDX HOLDINGS CORPWGSWW589,188$54.4M0.23%
134TALEN ENERGY CORPTLN186,558$54.2M0.23%
135AXALTA COATING SYS LTDAXTA1,808,608$53.7M0.23%
136FIFTH THIRD BANCORPFITBM1,279,918$52.6M0.22%
137THE BALDWIN INSURANCE GRP IN05589G1021,225,948$52.5M0.22%
138MUELLER WTR PRODS INC6247581082,166,945$52.1M0.22%
139APPLIED INDL TECHNOLOGIES IN03820C105220,640$51.3M0.22%
140VERONA PHARMA PLC925050106539,813$51.1M0.21%
141PRIMORIS SVCS CORP74164F103654,223$51.0M0.21%
142TECHNIPFMC PLCFTI1,475,941$50.8M0.21%
143AVIENT CORPORATIONAVNT1,560,102$50.4M0.21%
144ICON PLCICLR345,828$50.3M0.21%
145BURLINGTON STORES INCBURL213,644$49.7M0.21%
146NORTHERN OIL & GAS INCNOG1,740,304$49.3M0.21%
147CREDO TECHNOLOGY GROUP HOLDICRDO528,378$48.9M0.21%
148LINCOLN ELEC HLDGS INC533900106233,123$48.3M0.20%
149AFFIRM HLDGS INCAFRM698,779$48.3M0.20%
150EAST WEST BANCORP INCEWBC471,928$47.7M0.20%
151COPART INCCPRT967,903$47.5M0.20%
152XPO INCXPO375,621$47.4M0.20%
153SAIA INCSAIA173,095$47.4M0.20%
154GE HEALTHCARE TECHNOLOGIES IGEHC631,183$46.8M0.20%
155DIAMONDBACK ENERGY INCFANG336,693$46.3M0.19%
156PERMIAN RESOURCES CORPPR3,348,130$45.6M0.19%
157BRAZE INCBRZE1,600,304$45.0M0.19%
158HUNT J B TRANS SVCS INC445658107312,949$44.9M0.19%
159IRHYTHM TECHNOLOGIES INCIRTC290,570$44.7M0.19%
160CLEAN HARBORS INCCLH192,259$44.4M0.19%
161ENTEGRIS INCENTG545,688$44.0M0.18%
162MCCORMICK & CO INCMKC-V556,692$42.2M0.18%
163FLUOR CORP NEWFLR818,396$42.0M0.18%
164ABERCROMBIE & FITCH COANF505,574$41.9M0.18%
165ATLASSIAN CORPORATIONTEAM205,968$41.8M0.18%
166CELESTICA INCCLS256,447$40.0M0.17%
167INTAPP INCINTA748,884$38.7M0.16%
168XENON PHARMACEUTICALS INCXENE1,152,605$36.1M0.15%
169ALKAMI TECHNOLOGY INCALKT1,190,584$35.9M0.15%
170ROBINHOOD MKTS INC770700102382,981$35.9M0.15%
171ONTO INNOVATION INCONTO351,064$35.4M0.15%
172CORE SCIENTIFIC INC NEW21874A1061,982,653$33.8M0.14%
173BIO RAD LABS INC090572207139,505$33.7M0.14%
174GENIUS SPORTS LIMITEDGENI3,202,135$33.3M0.14%
175TARGA RES CORPTRGP191,069$33.3M0.14%
17689BIO INC2825591033,370,817$33.1M0.14%
177IONQ INCIONQ-WT671,627$28.9M0.12%
178SPX TECHNOLOGIES INCSPXC137,019$23.0M0.10%
179AVERY DENNISON CORPAVY113,903$20.0M0.08%
180RIOT PLATFORMS INCRIOT1,730,296$19.6M0.08%
181BICYCLE THERAPEUTICS PLCBCYC2,780,491$19.3M0.08%
182STRIDE INCLRN126,656$18.4M0.08%
183CALIX INCCALX291,149$15.5M0.06%
184MUELLER INDS INC624756102151,701$12.1M0.05%
185CINTAS CORPCTAS51,358$11.4M0.05%
186COCA COLA COKO161,050$11.4M0.05%
187WILLIAMS COS INC969457100177,318$11.1M0.05%
188ALPHABET INCGOOG56,758$10.1M0.04%
189AMERIPRISE FINL INC03076C10617,476$9.3M0.04%
190STAG INDL INC85254J102235,683$8.6M0.04%
191MITSUBISHI UFJ FINL GROUP IN606822104609,995$8.4M0.04%
192SUMITOMO MITSUI FINL GROUP I86562M209541,882$8.2M0.03%
193PROCTER AND GAMBLE CO74271810948,627$7.7M0.03%
194WILEY JOHN & SONS INC968223206169,768$7.6M0.03%
195TJX COS INC NEW87254010959,349$7.3M0.03%
196M & T BK CORP55261F10436,424$7.1M0.03%
197MEDTRONIC PLCMDT73,815$6.4M0.03%
198WALMART INCWMT64,066$6.3M0.03%
199FIRST CTZNS BANCSHARES INC N31946M1033,185$6.2M0.03%
200RAYMOND JAMES FINL INC75473010940,095$6.1M0.03%
201NEXTERA ENERGY INCNEE-PW88,087$6.1M0.03%
202COSTAR GROUP INCCSGP74,545$6.0M0.03%
203FIDELITY NATL INFORMATION SV31620M10673,340$6.0M0.03%
204MCKESSON CORPMCK8,011$5.9M0.02%
205EQUINIX INCEQIX7,007$5.6M0.02%
206THERMO FISHER SCIENTIFIC INCTMO13,626$5.5M0.02%
207MCDONALDS CORPMCD18,155$5.3M0.02%
208GENPACT LIMITEDG102,176$4.5M0.02%
209F5 INCFFIV14,770$4.3M0.02%
210SANOFISNYNF86,114$4.2M0.02%
211WELLS FARGO CO NEW94974610151,482$4.1M0.02%
212GLOBAL PMTS INC37940X10243,566$3.5M0.01%
213PAYLOCITY HLDG CORPPCTY18,840$3.4M0.01%
214DANAHER CORPORATION23585110216,110$3.2M0.01%
215CIENA CORPCIEN31,750$2.6M0.01%
216AMERICAN INTL GROUP INC02687478425,843$2.2M0.01%
217ILLINOIS TOOL WKS INC4523081098,882$2.2M0.01%
218HOME DEPOT INCHD5,666$2.1M0.01%
219RANPAK HOLDINGS CORPPACK407,328$1.5M0.01%
220BOOKING HOLDINGS INCBKNG210$1.2M0.01%
221BERKSHIRE HATHAWAY INC DELBRK-A2,350$1.1M0.00%
222INTUITINTU1,410$1.1M0.00%
223INTERNATIONAL BUSINESS MACHSINTR3,320$978,6700.00%
224PALANTIR TECHNOLOGIES INCPLTR7,026$957,7330.00%
225MERCADOLIBRE INCMELI313$818,0660.00%
226CARIS LIFE SCIENCES INCCAI30,000$801,6000.00%
227PLEXUS CORPPLXS5,200$703,6120.00%
228INTUITIVE SURGICAL INCISRG1,280$695,5650.00%
229EQT CORPEQT10,640$620,5250.00%
230TRANE TECHNOLOGIES PLCTT1,354$592,2530.00%
231ISHARES SILVER TRSLV16,760$549,8960.00%
232COMERICA INC2003401078,560$510,6040.00%
233BIO-TECHNE CORPTECH9,570$492,3770.00%
234APPLOVIN CORPAPP1,284$449,5090.00%
235NOVO-NORDISK A SNONOF5,995$413,7750.00%
236BOSTON SCIENTIFIC CORPBSX3,669$394,0870.00%
237IONIS PHARMACEUTICALS INCIONS9,561$377,7550.00%
238MEDPACE HLDGS INCMEDP703$220,6440.00%
239AVANTOR INCAVTR15,348$206,5840.00%