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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 2024 · Filed May 10, 2024 · Accession 0001085146-24-002397

Total Value
$19.05B
Positions
244
Other Managers
0
Confidential Omitted
No
View on SEC.gov

Holdings (244)

#IssuerTicker / CUSIPSharesValue% of Filing
1MICROSOFT CORPMSFT1,522,930$640.7M3.36%
2ASCENDIS PHARMA A/SASND4,075,214$616.1M3.23%
3APPLE INCAAPL3,237,247$555.1M2.91%
4NVIDIA CORPORATIONNVDA599,967$542.1M2.85%
5AMAZON COM INCAMZN2,633,433$475.0M2.49%
6ALPHABET INCGOOG2,956,626$446.2M2.34%
7TRANSDIGM GROUP INCTDG315,374$388.4M2.04%
8META PLATFORMS INCMETA702,584$341.2M1.79%
9BUILDERS FIRSTSOURCE INCBLDR1,381,284$288.1M1.51%
10VISA INCV1,019,994$284.7M1.49%
11VERTIV HOLDINGS COVRT3,399,272$277.6M1.46%
12AXON ENTERPRISE INCAXON709,306$221.9M1.17%
13SERVICENOW INCNOW281,388$214.5M1.13%
14DEXCOM INCDXCM1,539,461$213.5M1.12%
15COMFORT SYS USA INC199908104667,036$211.9M1.11%
16UNITEDHEALTH GROUP INCUNH426,637$211.1M1.11%
17ICON PLCICLR536,883$180.4M0.95%
18SALESFORCE INCCRM590,564$177.9M0.93%
19AMETEK INCAME953,603$174.4M0.92%
20OPTION CARE HEALTH INCOPCH5,171,385$173.4M0.91%
21M/I HOMES INCMHO1,219,989$166.3M0.87%
22LINCOLN ELEC HLDGS INC533900106646,442$165.1M0.87%
23ABBVIE INCABBV887,179$161.6M0.85%
24COSTAR GROUP INCCSGP1,647,389$159.1M0.84%
25SAIA INCSAIA259,082$151.6M0.80%
26NICE LTDNCSYF571,436$148.9M0.78%
27HOME DEPOT INCHD374,807$143.8M0.75%
28UBER TECHNOLOGIES INCUBER1,767,673$136.1M0.71%
29AVANTOR INCAVTR5,244,215$134.1M0.70%
30WILLSCOT MOBIL MINI HLDNG COWSC2,752,063$128.0M0.67%
31PROGRESSIVE CORP743315103617,410$127.7M0.67%
32LEGEND BIOTECH CORPLEGN2,239,774$125.6M0.66%
33COPART INCCPRT2,167,032$125.5M0.66%
34COSTCO WHSL CORP NEW22160K105169,256$124.0M0.65%
35LANTHEUS HLDGS INCLNTH1,958,018$121.9M0.64%
36HUBSPOT INCHUBS194,437$121.8M0.64%
37FLYWIRE CORPORATIONFLYW4,837,491$120.0M0.63%
38TAIWAN SEMICONDUCTOR MFG LTD874039100854,438$116.2M0.61%
39CONSTELLATION BRANDS INCSTZ427,161$116.1M0.61%
40INSPIRE MED SYS INC457730109538,294$115.6M0.61%
41GLOBAL PMTS INC37940X102863,745$115.4M0.61%
42CADENCE DESIGN SYSTEM INCCDNS370,675$115.4M0.61%
43WINGSTOP INCWING314,818$115.3M0.61%
44TEXAS ROADHOUSE INCTXRH740,719$114.4M0.60%
45MGM RESORTS INTERNATIONALMGM2,362,356$111.5M0.59%
46VAXCYTE INCPCVX1,586,095$108.3M0.57%
47ROCKET PHARMACEUTICALS INCRCKTW3,984,030$107.3M0.56%
48AMERICAN INTL GROUP INC0268747841,366,011$106.8M0.56%
49CHIPOTLE MEXICAN GRILL INCCMG36,567$106.3M0.56%
50ROSS STORES INCROST721,370$105.9M0.56%
51UNION PAC CORPUNP422,492$103.9M0.55%
52LPL FINL HLDGS INC50212V100385,227$101.8M0.53%
53MASIMO CORPMASI686,100$100.8M0.53%
54AVERY DENNISON CORPAVY450,289$100.5M0.53%
55APOLLO GLOBAL MGMT INC03769M106886,761$99.7M0.52%
56ITT INCITT723,617$98.4M0.52%
57F5 INCFFIV515,507$97.7M0.51%
58FAIR ISAAC CORPFICO77,370$96.7M0.51%
59WORKDAY INCWDAY352,536$96.2M0.50%
60MONDAY COM LTDMNDY415,584$93.9M0.49%
61HUBBELL INCHUBB225,547$93.6M0.49%
62IDEXX LABS INC45168D104172,021$92.9M0.49%
63NXP SEMICONDUCTORS N VNXPI374,539$92.8M0.49%
64SMARTSHEET INC83200N1032,386,272$91.9M0.48%
65DRAFTKINGS INC NEWDKNG2,007,587$91.2M0.48%
66DYNATRACE INCDT1,923,414$89.3M0.47%
67CELANESE CORP DELCE519,641$89.3M0.47%
68ROCKWELL AUTOMATION INCROK304,384$88.7M0.47%
69PTC INCPTC467,231$88.3M0.46%
70SHIFT4 PMTS INC82452J1091,333,252$88.1M0.46%
71IDEX CORP45167R104359,880$87.8M0.46%
72ARES MANAGEMENT CORPORATIONARES-PB649,344$86.3M0.45%
73MERITAGE HOMES CORPMTH490,660$86.1M0.45%
74HUNT J B TRANS SVCS INC445658107431,427$86.0M0.45%
75CDW CORPCDW334,332$85.5M0.45%
76BLUE OWL CAPITAL INCOWL4,529,065$85.4M0.45%
77VULCAN MATLS CO929160109311,381$85.0M0.45%
78MSCI INCMSCI150,518$84.4M0.44%
79SAMSARA INCIOT2,228,759$84.2M0.44%
80CISCO SYS INCCSCO1,686,503$84.2M0.44%
81CASELLA WASTE SYS INCCWST848,012$83.8M0.44%
82MKS INSTRS INCMKSI620,063$82.5M0.43%
83HILTON WORLDWIDE HLDGS INCHLT379,064$80.9M0.42%
84INSULET CORPPODD468,320$80.3M0.42%
85PERMIAN RESOURCES CORPPR4,541,934$80.2M0.42%
86BIO RAD LABS INC090572207230,509$79.7M0.42%
87MONGODB INCMDB221,858$79.6M0.42%
88RED ROCK RESORTS INCRRR1,328,200$79.5M0.42%
89COOPER COS INC216648501776,971$78.8M0.41%
90SUN CMNTYS INC866674104604,004$77.7M0.41%
91INSIGHT ENTERPRISES INCNSIT405,407$75.2M0.39%
92AZEK CO INC05478C1051,487,700$74.7M0.39%
93HEXCEL CORP NEW4282911081,018,276$74.2M0.39%
94GALLAGHER ARTHUR J & CO363576109291,382$72.9M0.38%
95PROCORE TECHNOLOGIES INCPCOR880,442$72.3M0.38%
96OVINTIV INCOVV1,385,002$71.9M0.38%
97BRIGHT HORIZONS FAM SOL IN D109194100631,590$71.6M0.38%
98ZSCALER INCZS368,283$70.9M0.37%
99NORTHERN OIL & GAS INCNOG1,749,749$69.4M0.36%
100NEUROCRINE BIOSCIENCES INCNBIX503,193$69.4M0.36%
101WALMART INCWMT1,147,368$69.0M0.36%
102DIAMONDBACK ENERGY INCFANG345,635$68.5M0.36%
103COHERENT CORPCOHR1,129,777$68.5M0.36%
104FIVE BELOW INCFIVE373,679$67.8M0.36%
105SCHWAB CHARLES CORPSCHW-PJ930,154$67.3M0.35%
106ON HLDG AGH5919C1041,862,570$65.9M0.35%
107DAYFORCE INC15677J108994,711$65.9M0.35%
108AXALTA COATING SYS LTDAXTA1,880,702$64.7M0.34%
109ALIGN TECHNOLOGY INCALGN196,141$64.3M0.34%
110WASTE CONNECTIONS INCWCN370,042$63.7M0.33%
111DATADOG INCDDOG499,579$61.7M0.32%
112WEX INCWEX258,384$61.4M0.32%
113MICROSTRATEGY INCSTRK35,723$60.9M0.32%
114HAEMONETICS CORP MASSHAE699,861$59.7M0.31%
115GE HEALTHCARE TECHNOLOGIES IGEHC655,639$59.6M0.31%
116WNS HLDGS LTDG981961011,170,420$59.1M0.31%
117AVIENT CORPORATIONAVNT1,359,671$59.0M0.31%
118SAP SESAPGF302,188$58.9M0.31%
119IRHYTHM TECHNOLOGIES INCIRTC502,678$58.3M0.31%
120PRIMERICA INCPRI228,650$57.8M0.30%
121EQUINIX INCEQIX69,419$57.3M0.30%
122FABRINETFN300,421$56.8M0.30%
123SUPER MICRO COMPUTER INCSMCI55,653$56.2M0.30%
124ADVANCED MICRO DEVICES INCAMD310,103$56.0M0.29%
125KINSALE CAP GROUP INC49714P108106,301$55.8M0.29%
126SELECTIVE INS GROUP INC816300107508,085$55.5M0.29%
127REGAL REXNORD CORPORATIONRRX302,532$54.5M0.29%
128VIKING THERAPEUTICS INCVKTX662,131$54.3M0.29%
129S&P GLOBAL INCSPGI127,192$54.1M0.28%
130CHURCHILL DOWNS INCCHDN423,521$52.4M0.28%
131ZEBRA TECHNOLOGIES CORPORATIZBRA172,805$52.1M0.27%
132FLEX LTDFLEX1,801,579$51.5M0.27%
133CYTOKINETICS INCCYTK731,386$51.3M0.27%
134TESLA INCTSLA291,060$51.2M0.27%
135GENPACT LIMITEDG1,539,160$50.7M0.27%
136TAPESTRY INCTPR1,041,976$49.5M0.26%
137GITLAB INCGTLB843,548$49.2M0.26%
138TRADEWEB MKTS INC892672106463,365$48.3M0.25%
139IMPINJ INCPI375,646$48.2M0.25%
140DECKERS OUTDOOR CORPDECK50,634$47.7M0.25%
141DESCARTES SYS GROUP INC249906108518,744$47.5M0.25%
142PATTERSON-UTI ENERGY INCPTEN3,884,494$46.4M0.24%
143PAYLOCITY HLDG CORPPCTY267,830$46.0M0.24%
144DEVON ENERGY CORP NEW25179M103913,847$45.9M0.24%
145MOONLAKE IMMUNOTHERAPEUTICSMLTX910,873$45.8M0.24%
146SENSATA TECHNOLOGIES HLDG PLST1,233,437$45.3M0.24%
147FIRST CTZNS BANCSHARES INC N31946M10327,713$45.3M0.24%
148NEXTRACKER INCNXT802,489$45.2M0.24%
149SBA COMMUNICATIONS CORP NEWSBAC207,489$45.0M0.24%
150MARQETA INCMQ7,418,851$44.2M0.23%
151LIVE NATION ENTERTAINMENT INLYV413,794$43.8M0.23%
152WESTERN DIGITAL CORP.WDC640,806$43.7M0.23%
153REPLIGEN CORPRGEN235,310$43.3M0.23%
154EAST WEST BANCORP INCEWBC543,067$43.0M0.23%
155KEYCORP4932671082,710,757$42.9M0.22%
156MACOM TECH SOLUTIONS HLDGS I55405Y100441,270$42.2M0.22%
157TENABLE HLDGS INC88025T102828,215$40.9M0.21%
158PALO ALTO NETWORKS INCPANW142,571$40.5M0.21%
159JABIL INCJBL291,456$39.0M0.20%
160NOVA LTDNVMI217,954$38.7M0.20%
161HALLIBURTON COHAL946,426$37.3M0.20%
162APTIV PLCAPTV467,416$37.2M0.20%
163STAG INDL INC85254J102967,485$37.2M0.20%
164ENPHASE ENERGY INCENPH304,647$36.9M0.19%
165CCC INTELLIGENT SOLUTIONS HLCCC3,070,975$36.7M0.19%
166PALOMAR HLDGS INCPLMR437,412$36.7M0.19%
167REXFORD INDL RLTY INC76169C100727,744$36.6M0.19%
168PLEXUS CORPPLXS384,248$36.4M0.19%
169CHAMPIONX CORPORATION15872M1041,009,418$36.2M0.19%
170LIGHTSPEED COMMERCE INCLSPD2,488,179$35.0M0.18%
171LULULEMON ATHLETICA INCLULU89,074$34.8M0.18%
172ALKERMES PLCALKS1,282,741$34.7M0.18%
173EXPEDIA GROUP INCEXPE249,290$34.3M0.18%
174REVOLVE GROUP INCRVLV1,593,530$33.7M0.18%
175WINTRUST FINL CORP97650W108313,937$32.8M0.17%
176INNOVIVA INCINVA2,111,663$32.2M0.17%
177BROADCOM INCAVGO24,137$32.0M0.17%
178SILICON MOTION TECHNOLOGY COSIMO374,303$28.8M0.15%
179BICYCLE THERAPEUTICS PLCBCYC1,038,917$25.9M0.14%
18089BIO INC2825591032,164,147$25.2M0.13%
181ELI LILLY & COLLY28,325$22.0M0.12%
182UNIVERSAL DISPLAY CORPOLED122,772$20.7M0.11%
183RAMBUS INC DELRMBS328,053$20.3M0.11%
184CALIX INCCALX584,576$19.4M0.10%
185CAMTEK LTDCAMT214,296$18.0M0.09%
186CREDO TECHNOLOGY GROUP HOLDICRDO842,226$17.8M0.09%
187INTERNATIONAL BUSINESS MACHSINTR87,218$16.7M0.09%
188XENON PHARMACEUTICALS INCXENE347,351$15.0M0.08%
189SYNAPTICS INCSYNA133,916$13.1M0.07%
190ICHOR HOLDINGSICHR335,867$13.0M0.07%
191MERCK & CO INCMRK93,816$12.4M0.06%
192WILLIAMS SONOMA INCWSM37,700$12.0M0.06%
193MICROCHIP TECHNOLOGY INC.MCHPP130,197$11.7M0.06%
194COCA COLA COKO179,354$11.0M0.06%
195THERMO FISHER SCIENTIFIC INCTMO17,634$10.2M0.05%
196ALPHABET INCGOOG65,207$9.9M0.05%
197CINTAS CORPCTAS14,277$9.8M0.05%
198WATSCO INCWSO-B21,082$9.1M0.05%
199MUELLER INDS INC624756102168,849$9.1M0.05%
200BANK AMERICA CORP060505104229,588$8.7M0.05%
201AMERIPRISE FINL INC03076C10619,376$8.5M0.04%
202LENNAR CORPLEN-B48,534$8.3M0.04%
203MURAL ONCOLOGY PUB LTD COG633651031,548,418$7.6M0.04%
204HERSHEY COHSY38,215$7.4M0.04%
205TRACTOR SUPPLY COTSCO27,364$7.2M0.04%
206CHEVRON CORP NEWCVX45,387$7.2M0.04%
207PFIZER INCPFE254,290$7.1M0.04%
208WILEY JOHN & SONS INC968223206184,955$7.1M0.04%
209GARTNER INCIT14,370$6.8M0.04%
210RESTAURANT BRANDS INTL INC76131D10383,421$6.6M0.03%
211TJX COS INC NEW87254010965,133$6.6M0.03%
212FERGUSON PLC NEWG3421J10628,966$6.3M0.03%
213EQUITY LIFESTYLE PPTYS INC29472R10897,687$6.3M0.03%
214COGENT COMMUNICATIONS HLDGSCCOI94,471$6.2M0.03%
215CONOCOPHILLIPSCOP46,234$5.9M0.03%
216NEXTERA ENERGY INCNEE-PW89,841$5.7M0.03%
217CME GROUP INCCME25,793$5.6M0.03%
218CUMMINS INCCMI17,796$5.2M0.03%
219DANAHER CORPORATION23585110220,785$5.2M0.03%
220RAYMOND JAMES FINL INC75473010940,095$5.1M0.03%
221CARDINAL HEALTH INCCAH45,285$5.1M0.03%
222FIDELITY NATL INFORMATION SV31620M10665,450$4.9M0.03%
223TIMKEN COTKR47,820$4.2M0.02%
224METTLER TOLEDO INTERNATIONALMTD2,624$3.5M0.02%
225ILLINOIS TOOL WKS INC45230810911,883$3.2M0.02%
226RANPAK HOLDINGS CORPPACK404,370$3.2M0.02%
227HEICO CORP NEWHEI-A20,130$3.1M0.02%
228MARVELL TECHNOLOGY INCMRVL28,946$2.1M0.01%
229APPLIED MATLS INC0382221056,518$1.3M0.01%
230EMCOR GROUP INCEME3,540$1.2M0.01%
231CSX CORPCSX28,590$1.1M0.01%
232TRANE TECHNOLOGIES PLCTT3,154$946,8310.00%
233INTUITINTU1,410$916,5000.00%
234WILLIAMS COS INC96945710023,330$909,1700.00%
235AAON INCAAON9,630$848,4030.00%
236BOOKING HOLDINGS INCBKNG210$761,8550.00%
237CAMECO CORPCCJ13,550$586,9860.00%
238TERRENO RLTY CORP88146M1018,840$586,9760.00%
239OLD DOMINION FREIGHT LINE INODFL2,498$547,8360.00%
240NANO DIMENSION LTDNNDM149,070$415,1600.00%
241MEDIAALPHA INCMAX17,850$363,6050.00%
242BLOCK INCBSQKZ4,280$362,0020.00%
243NATIONAL STORAGE AFFILIATESNSA-PB7,860$307,7980.00%
244HUMANA INCHUM847$293,6720.00%