WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2025 Filing

Filed November 12, 2025

Portfolio Value

$23.8T

Holdings

235

Report Date

Q3 2025

Filing Type

13F-HR

All Holdings (235 positions)

#StockSharesValue% PortfolioType
1
NVDANVIDIA CORPORATION
6,507,165$1.2T5.09%
2
ASNDASCENDIS PHARMA A/S
5,259,909$1.0T4.39%
3
MSFTMICROSOFT CORP
1,705,236$883.2B3.71%
4
AAPLAPPLE INC
3,334,545$849.1B3.56%
5
FIXCOMFORT SYS USA INC
833,195$687.5B2.88%
6
METAMETA PLATFORMS INC
767,657$563.8B2.37%
7
AMZNAMAZON COM INC
2,541,729$558.1B2.34%
8
GOOGLALPHABET INC
2,244,650$545.7B2.29%
9
AXONAXON ENTERPRISE INC
729,152$523.3B2.20%
10
HWMHOWMET AEROSPACE INC
2,007,453$393.9B1.65%
11
AVGOBROADCOM INC
1,166,362$384.8B1.61%
12
FTAIFTAI AVIATION LTD
2,130,241$355.5B1.49%
13
VRTVERTIV HOLDINGS CO
2,247,218$339.0B1.42%
14
T7DTRANSDIGM GROUP INC
217,897$287.2B1.21%
15
TPRTAPESTRY INC
2,450,671$277.5B1.16%
16
NFLXNETFLIX INC
230,648$276.5B1.16%
17
SMTCSEMTECH CORP
3,380,373$241.5B1.01%
18
VVISA INC
705,767$240.9B1.01%
19
NOWSERVICENOW INC
260,002$239.3B1.00%
20
MRVLMARVELL TECHNOLOGY INC
2,611,958$219.6B0.92%
21
LLYELI LILLY & CO
277,005$211.4B0.89%
22
3M4MASIMO CORP
1,419,250$209.4B0.88%
23
MRUSMERUS N V
2,132,489$200.8B0.84%
24
BACBANK AMERICA CORP
3,861,103$199.2B0.84%
25
LEGNLEGEND BIOTECH CORP
6,094,486$198.7B0.83%
26
AZOAUTOZONE INC
45,770$196.4B0.82%
27
LPLALPL FINL HLDGS INC
575,462$191.5B0.80%
28
TSLATESLA INC
404,220$179.8B0.75%
29
RRXREGAL REXNORD CORPORATION
1,221,730$175.2B0.74%
30
ORCLORACLE CORP
600,197$168.8B0.71%
31
RBLXROBLOX CORP
1,189,575$164.8B0.69%
32
ARESARES MANAGEMENT CORPORATION
1,027,589$164.3B0.69%
33
GEVGE VERNOVA INC
265,736$163.4B0.69%
34
HQYHEALTHEQUITY INC
1,716,658$162.7B0.68%
35
DTDYNATRACE INC
3,345,780$162.1B0.68%
36
COHRCOHERENT CORP
1,472,963$158.7B0.67%
37
CWSTCASELLA WASTE SYS INC
1,647,907$156.4B0.66%
38
DC4DEXCOM INC
2,312,210$155.6B0.65%
39
CVLTCOMMVAULT SYS INC
786,175$148.4B0.62%
40
PSTGPURE STORAGE INC
1,751,558$146.8B0.62%
41
SNSHARKNINJA INC
1,402,297$144.6B0.61%
42
BEBLOOM ENERGY CORP
1,675,282$141.7B0.59%
43
IOTSAMSARA INC
3,801,787$141.6B0.59%
44
PCVXVAXCYTE INC
3,732,715$134.5B0.56%
45
MNDYMONDAY COM LTD
693,319$134.3B0.56%
46
TSMTAIWAN SEMICONDUCTOR MFG LTD
467,398$130.5B0.55%
47
PRIMPRIMORIS SVCS CORP
947,308$130.1B0.55%
48
SNOWSNOWFLAKE INC
574,955$129.7B0.54%
49
RVMDREVOLUTION MEDICINES INC
2,513,967$117.4B0.49%
50
6RJ0ROCKET LAB CORP
2,437,820$116.8B0.49%
51
PCORPROCORE TECHNOLOGIES INC
1,540,265$112.3B0.47%
52
PLTRPALANTIR TECHNOLOGIES INC
606,450$110.6B0.46%
53
ROKUROKU INC
1,102,488$110.4B0.46%
54
RCLROYAL CARIBBEAN GROUP
336,512$108.9B0.46%
55
IPINTERNATIONAL PAPER CO
2,341,336$108.6B0.46%
56
RYTMRHYTHM PHARMACEUTICALS INC
1,069,004$108.0B0.45%
57
DASHDOORDASH INC
393,628$107.1B0.45%
58
LYVLIVE NATION ENTERTAINMENT IN
646,370$105.6B0.44%
59
HEIHEICO CORP NEW
409,498$104.0B0.44%
60
NXTNEXTRACKER INC
1,398,057$103.4B0.43%
61
NETCLOUDFLARE INC
480,850$103.2B0.43%
62
KRMNKARMAN HLDGS INC
1,425,576$102.9B0.43%
63
BIRKBIRKENSTOCK HOLDING PLC
2,254,493$102.0B0.43%
64
ABGCENCORA INC
325,660$101.8B0.43%
65
PWRQUANTA SVCS INC
245,506$101.7B0.43%
66
ITTITT INC
568,027$101.5B0.43%
67
GKOSGLAUKOS CORP
1,231,641$100.4B0.42%
68
MSCIMSCI INC
175,347$99.5B0.42%
69
TRUTRANSUNION
1,180,154$98.9B0.41%
70
VSTVISTRA CORP
492,560$96.5B0.40%
71
DSGDESCARTES SYS GROUP INC
1,001,331$94.4B0.40%
72
NTRANATERA INC
575,802$92.7B0.39%
73
KTOSKRATOS DEFENSE & SEC SOLUTIO
1,005,816$91.9B0.39%
74
XPOXPO INC
694,714$89.8B0.38%
75
ORLYOREILLY AUTOMOTIVE INC
817,026$88.1B0.37%
76
BLDTOPBUILD CORP
225,029$88.0B0.37%
77
KKRKKR & CO INC
672,895$87.4B0.37%
78
PLMRPALOMAR HLDGS INC
738,528$86.2B0.36%
79
COSTCOSTCO WHSL CORP NEW
92,163$85.3B0.36%
80
KEYKEYCORP
4,480,214$83.7B0.35%
81
HLIHOULIHAN LOKEY INC
406,306$83.4B0.35%
82
UNHUNITEDHEALTH GROUP INC
241,010$83.2B0.35%
83
AJGGALLAGHER ARTHUR J & CO
267,709$82.9B0.35%
84
DKNGDRAFTKINGS INC NEW
2,080,438$77.8B0.33%
85
ALKTALKAMI TECHNOLOGY INC
3,095,058$76.9B0.32%
86
OPCHOPTION CARE HEALTH INC
2,757,858$76.6B0.32%
87
PANWPALO ALTO NETWORKS INC
370,359$75.4B0.32%
88
ADMAADMA BIOLOGICS INC
5,106,802$74.9B0.31%
89
BLDRBUILDERS FIRSTSOURCE INC
616,032$74.7B0.31%
90
WYNNWYNN RESORTS LTD
573,694$73.6B0.31%
91
CHRWC H ROBINSON WORLDWIDE INC
550,825$72.9B0.31%
92
VMCVULCAN MATLS CO
236,556$72.8B0.31%
93
GENIGENIUS SPORTS LIMITED
5,850,083$72.4B0.30%
94
FITBFIFTH THIRD BANCORP
1,619,948$72.2B0.30%
95
RYANRYAN SPECIALTY HOLDINGS INC
1,278,134$72.0B0.30%
96
OWLBLUE OWL CAPITAL INC
4,228,444$71.6B0.30%
97
ROKROCKWELL AUTOMATION INC
204,335$71.4B0.30%
98
PRIPRIMERICA INC
256,774$71.3B0.30%
99
PRCTPROCEPT BIOROBOTICS CORP
1,970,147$70.3B0.30%
100
IM8NINSMED INC
487,927$70.3B0.29%
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