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Asset Manager ← All Institutions

WESTFIELD CAPITAL MANAGEMENT CO LP

Q4 2025 · Filed 2026-02-11
Market Value
$22.7B
+0.4%
Holdings
269
-7
New Purchases
39
Added To
117
Closed
32
Reduced
67
Top 10 Concentration
28.4%
Turnover
26.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
ABVX 0.60% 0.00% +0.60% $136M
GOOGL 3.00% 2.41% +0.59% $682M
APG 0.58% 0.00% +0.58% $132M
AME 0.81% 0.30% +0.52% $185M
BROS 0.48% 0.00% +0.48% $109M
RVMD 1.00% 0.52% +0.48% $227M
FTAI 2.04% 1.57% +0.47% $463M
FITB 0.77% 0.32% +0.45% $175M
ABBV 0.42% 0.01% +0.41% $96M
MKSI 0.59% 0.18% +0.41% $134M
LLY 1.31% 0.93% +0.38% $298M
TEAM 0.58% 0.23% +0.35% $132M
HUBS 0.62% 0.28% +0.34% $141M
WGS 0.58% 0.26% +0.32% $132M
DHR 0.32% 0.00% +0.32% $74M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
TDG 0.09% 1.27% -1.17% $22M
MRUS 0.00% 0.89% -0.89% $0
META 1.90% 2.49% -0.59% $433M
MNDY 0.01% 0.59% -0.58% $2M
RBLX 0.16% 0.73% -0.56% $37M
NFLX 0.66% 1.22% -0.56% $150M
NVDA 4.88% 5.36% -0.48% $1.1B
IP 0.00% 0.48% -0.48% $0
MSFT 3.45% 3.90% -0.45% $784M
GKOS 0.00% 0.44% -0.44% $0
COST 0.00% 0.38% -0.38% $0
PLTR 0.12% 0.49% -0.37% $27M
ORCL 0.41% 0.75% -0.34% $92M
PRCT 0.00% 0.31% -0.31% $0
ICLR 0.00% 0.31% -0.30% $462K

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 36 $6.8B 30.1%
Large Cap 155 $11.4B 50.1%
Mid Cap 72 $4.3B 19.0%
Small Cap 4 $163M 0.7%
Micro Cap 2 $22M 0.1%

Portfolio Analytics

Avg Market Cap
$197.6B
Median Market Cap
$25.6B
Avg P/E
46.1
Median P/E
29.5
Avg Dividend Yield
0.01%
Avg Beta
1.21
# Stocks
265
# ETFs / Funds
4

Top Holdings (269 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 NVDA 4.88% 5,951,049 $1.1B $186.50 -$104M -556,116 -8.6%
2 AAPL 3.92% 3,274,318 $890M $271.86 $41M -60,227 -1.8%
3 MSFT 3.45% 1,621,219 $784M $483.62 -$99M -84,017 -4.9%
4 GOOGL 3.00% 2,178,478 $682M $313.00 $136M -66,172 -3.0%
5 FIX 2.75% 668,835 $624M $933.29 -$63M -164,360 -19.7%
6 AMZN 2.37% 2,330,770 $538M $230.82 -$20M -210,959 -8.3%
7 AXON 2.08% 831,177 $472M $567.93 -$51M +102,025 +14.0%
8 FTAI 2.04% 2,350,625 $463M $196.85 $107M +220,384 +10.3%
9 HWM 2.00% 2,219,125 $455M $205.02 $61M +211,672 +10.5%
10 META 1.90% 655,283 $433M $660.09 -$131M -112,374 -14.6%
11 AVGO 1.69% 1,112,318 $385M $346.10 $179K -54,044 -4.6%
12 VRT 1.62% 2,277,716 $369M $162.01 $30M +30,498 +1.4%
13 LLY 1.31% 277,549 $298M $1,074.68 $87M +544 +0.2%
14 TPR 1.18% 2,098,104 $268M $127.77 -$9M -352,567 -14.4%
15 RVMD 1.00% 2,845,013 $227M $79.65 $109M +331,046 +13.2%
16 NOW 1.00% 1,476,803 $226M $153.19 -$13M +1,216,801 +468.0%
17 LPLA 0.98% 625,562 $223M $357.17 $32M +50,100 +8.7%
18 V 0.93% 603,926 $212M $350.71 -$29M -101,841 -14.4%
19 BAC 0.93% 3,823,609 $210M $55.00 $11M -37,494 -1.0%
20 TSLA 0.91% 461,675 $208M $449.72 $28M +57,455 +14.2%
21 MASI 0.87% 1,522,049 $198M $130.06 -$11M +102,799 +7.2%
22 ARES 0.82% 1,151,200 $186M $161.63 $22M +123,611 +12.0%
23 AME 0.81% 900,216 $185M $205.31 $117M +541,556 +151.0%
24 RKLB 0.80% 2,592,443 $181M $69.76 $64M +154,623 +6.3%
25 SMTC 0.79% 2,448,612 $180M $73.69 -$61M -931,761 -27.6%
26 HQY 0.79% 1,952,452 $179M $91.61 $16M +235,794 +13.7%
27 FITB 0.77% 3,746,926 $175M $46.81 $103M +2,126,978 +131.3%
28 AZO 0.76% 51,122 $173M $3,391.48 -$23M +5,352 +11.7%
29 MRVL 0.73% 1,947,807 $166M $84.98 -$54M -664,151 -25.4%
30 NTRA 0.72% 714,692 $164M $229.09 $71M +138,890 +24.1%
31 PCVX 0.72% 3,539,717 $163M $46.14 $29M -192,998 -5.2%
32 CWST 0.72% 1,665,226 $163M $97.94 $7M +17,319 +1.1%
33 NFLX 0.66% 1,597,547 $150M $93.76 -$127M +1,366,899 +592.6%
34 DT 0.64% 3,356,708 $145M $43.34 -$17M +10,928 +0.3%
35 SNOW 0.63% 649,105 $142M $219.36 $13M +74,150 +12.9%
36 HUBS 0.62% 352,154 $141M $401.30 $79M +217,979 +162.5%
37 IOT 0.62% 3,953,970 $140M $35.45 -$1M +152,183 +4.0%
38 ABVX 0.60% 1,009,966 $136M $134.86 — +1,009,966 — NEW
39 RYTM 0.60% 1,267,158 $136M $107.04 $28M +198,154 +18.5%
40 TSM 0.60% 446,195 $136M $303.89 $5M -21,203 -4.5%
41 MKSI 0.59% 839,773 $134M $159.80 $94M +516,409 +159.7%
42 LEGN 0.59% 6,164,677 $134M $21.74 -$65M +70,191 +1.1%
43 CVLT 0.58% 1,057,077 $133M $125.36 -$16M +270,902 +34.5%
44 WGS 0.58% 1,018,261 $132M $130.06 $74M +474,167 +87.2%
45 APG 0.58% 3,453,355 $132M $38.26 — +3,453,355 — NEW
46 TEAM 0.58% 812,215 $132M $162.14 $80M +489,777 +151.9%
47 ADMA 0.56% 6,992,907 $128M $18.24 $53M +1,886,105 +36.9%
48 RRX 0.55% 893,100 $125M $140.32 -$50M -328,630 -26.9%
49 RCL 0.55% 448,653 $125M $278.92 $16M +112,141 +33.3%
50 COHR 0.54% 665,123 $123M $184.57 -$36M -807,840 -54.8%
51 ROKU 0.53% 1,112,478 $121M $108.49 $10M +9,990 +0.9%
52 MSCI 0.52% 207,792 $119M $573.73 $20M +32,445 +18.5%
53 PRIM 0.52% 952,196 $118M $124.14 -$12M +4,888 +0.5%
54 GEV 0.51% 177,934 $116M $653.57 -$47M -87,802 -33.0%
55 PWR 0.51% 273,528 $115M $422.06 $14M +28,022 +11.4%
56 PLMR 0.50% 840,226 $113M $134.76 $27M +101,698 +13.8%
57 LYV 0.49% 775,234 $110M $142.50 $5M +128,864 +19.9%
58 PODD 0.48% 386,468 $110M $284.24 $48M +185,081 +91.9%
59 BROS 0.48% 1,779,616 $109M $61.22 — +1,779,616 — NEW
60 COR 0.47% 319,215 $108M $337.75 $6M -6,445 -2.0%
61 BLD 0.47% 255,451 $107M $417.19 $19M +30,422 +13.5%
62 DSGX 0.46% 1,193,869 $105M $87.66 $10M +192,538 +19.2%
63 HEI-A 0.46% 412,041 $104M $252.43 -$38K +2,543 +0.6%
64 HLT 0.45% 357,721 $103M $287.25 $42M +124,003 +53.1%
65 NET 0.45% 519,475 $102M $197.15 -$771K +38,625 +8.0%
66 ITT 0.45% 587,446 $102M $173.51 $387K +19,419 +3.4%
67 P 0.45% 1,520,219 $102M $67.01 -$45M -231,339 -13.2%
68 IDXX 0.44% 147,447 $100M $676.53 $40M +53,318 +56.6%
69 BE 0.44% 1,145,296 $100M $86.89 -$42M -529,986 -31.6%
70 XPO 0.43% 724,214 $98M $135.91 $9M +29,500 +4.2%
71 EWBC 0.43% 874,152 $98M $112.39 $35M +284,617 +48.3%
72 DASH 0.42% 425,080 $96M $226.48 -$11M +31,452 +8.0%
73 ABBV 0.42% 419,784 $96M $228.49 $94M +411,856 +5194.9%
74 DXCM 0.42% 1,439,689 $96M $66.37 -$60M -872,521 -37.7%
75 ALKT 0.42% 4,118,355 $95M $23.07 $18M +1,023,297 +33.1%
76 NXT 0.42% 1,090,300 $95M $87.11 -$8M -307,757 -22.0%
77 KTOS 0.42% 1,245,587 $95M $75.91 $3M +239,771 +23.8%
78 SN 0.41% 840,060 $94M $111.90 -$51M -562,237 -40.1%
79 ORCL 0.41% 474,397 $92M $194.91 -$76M -125,800 -21.0%
80 ROK 0.40% 233,795 $91M $389.07 $20M +29,460 +14.4%
81 HLI 0.40% 520,002 $91M $174.19 $7M +113,696 +28.0%
82 CHRW 0.39% 556,472 $89M $160.76 $17M +5,647 +1.0%
83 OPCH 0.39% 2,765,305 $88M $31.86 $12M +7,447 +0.3%
84 BURL 0.38% 302,307 $87M $288.85 $35M +96,412 +46.8%
85 FTI 0.38% 1,952,427 $87M $44.56 $29M +472,317 +31.9%
86 ORLY 0.38% 952,702 $87M $91.21 -$1M +135,676 +16.6%
87 IMAX 0.38% 2,346,486 $87M $36.96 $34M +723,861 +44.6%
88 FN 0.38% 190,170 $87M $455.28 $27M +27,168 +16.7%
89 VST 0.38% 533,945 $86M $161.33 -$10M +41,385 +8.4%
90 FCFS 0.38% 537,734 $86M $159.38 $19M +115,279 +27.3%
91 GL 0.37% 608,813 $85M $139.86 $24M +178,171 +41.4%
92 PR 0.37% 5,951,186 $83M $14.03 $41M +2,593,470 +77.2%
93 KEY 0.37% 4,040,297 $83M $20.64 -$343K -439,917 -9.8%
94 PANW 0.36% 448,460 $83M $184.20 $7M +78,101 +21.1%
95 DKNG 0.36% 2,383,054 $82M $34.46 $4M +302,616 +14.6%
96 LECO 0.36% 337,725 $81M $239.64 $14M +54,762 +19.4%
97 PCOR 0.35% 1,105,325 $80M $72.74 -$32M -434,940 -28.2%
98 TRU 0.35% 933,553 $80M $85.75 -$19M -246,601 -20.9%
99 WTFC 0.34% 559,762 $78M $139.82 $18M +102,798 +22.5%
100 ONTO 0.34% 483,082 $76M $157.86 $15M +8,552 +1.8%

New Positions

SymbolValue% Port
ABVX $136M 0.60%
APG $132M 0.58%
BROS $109M 0.48%
CELH $71M 0.31%
LGN $69M 0.31%
GRMN $68M 0.30%
ADPT $66M 0.29%
ZS $63M 0.28%
MCO $60M 0.27%
PKG $59M 0.26%
TECH $58M 0.26%
DORM $57M 0.25%
GH $55M 0.24%
AMD $54M 0.24%
HLNE $49M 0.21%

Sold Out Positions

SymbolValue% Port
AMP — —%
RH — —%
VEEV — —%
EAT — —%
ICE — —%
SPOT — —%
KD — —%
FOUR — —%
WM — —%
TWLO — —%
KNSL — —%
GKOS — —%
NOG — —%
KR — —%
BWIN — —%
View SEC EDGAR Filings for WESTFIELD CAPITAL MANAGEMENT CO LP →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms