— Know what they know.
Not Investment Advice
Asset Manager ← All Institutions

WESTFIELD CAPITAL MANAGEMENT CO LP

Q4 2025 · Filed 2026-02-11
Market Value
$22.3B
+0.4%
Holdings
269
-8
New Purchases
39
Added To
117
Closed
32
Reduced
67
Top 10 Concentration
28.6%
Turnover
26.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
ABVX 0.61% 0.00% +0.61% $136M
GOOGL 3.06% 2.45% +0.60% $682M
APG 0.59% 0.00% +0.59% $132M
AME 0.83% 0.30% +0.52% $185M
BROS 0.49% 0.00% +0.49% $109M
RVMD 1.02% 0.53% +0.49% $227M
FITB 0.79% 0.32% +0.46% $175M
ABBV 0.43% 0.01% +0.42% $96M
MKSI 0.60% 0.18% +0.42% $134M
LLY 1.34% 0.95% +0.39% $298M
TEAM 0.59% 0.23% +0.36% $132M
HUBS 0.63% 0.28% +0.35% $141M
WGS 0.59% 0.26% +0.33% $132M
DHR 0.33% 0.00% +0.33% $74M
NTRA 0.73% 0.42% +0.32% $164M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
TDG 0.10% 1.29% -1.20% $22M
MRUS 0.00% 0.90% -0.90% $0
META 1.94% 2.54% -0.60% $433M
MNDY 0.01% 0.60% -0.59% $2M
RBLX 0.17% 0.74% -0.57% $37M
NFLX 0.67% 1.24% -0.57% $150M
NVDA 4.97% 5.46% -0.49% $1.1B
IP 0.00% 0.49% -0.49% $0
MSFT 3.51% 3.97% -0.46% $784M
GKOS 0.00% 0.45% -0.45% $0
COST 0.00% 0.38% -0.38% $0
PLTR 0.12% 0.50% -0.37% $27M
ORCL 0.41% 0.76% -0.35% $92M
PRCT 0.00% 0.32% -0.32% $0
ICLR 0.00% 0.31% -0.31% $462K

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 34 $6.6B 29.5%
Large Cap 165 $11.9B 53.5%
Mid Cap 61 $3.4B 15.0%
Small Cap 8 $444M 2.0%
Micro Cap 1 $409K 0.0%

Portfolio Analytics

Avg Market Cap
$192.4B
Median Market Cap
$25.7B
Avg P/E
51.3
Median P/E
31.5
Avg Dividend Yield
0.01%
Avg Beta
1.22
# 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 4.97% 5,951,049 $1.1B $186.50 -$104M -556,116 -8.6%
2 AAPL 3.99% 3,274,318 $890M $271.86 $41M -60,227 -1.8%
3 MSFT 3.51% 1,621,219 $784M $483.62 -$99M -84,017 -4.9%
4 GOOGL 3.06% 2,178,478 $682M $313.00 $136M -66,172 -3.0%
5 FIX 2.80% 668,835 $624M $933.29 -$63M -164,360 -19.7%
6 AMZN 2.41% 2,330,770 $538M $230.82 -$20M -210,959 -8.3%
7 AXON 2.12% 831,177 $472M $567.93 -$51M +102,025 +14.0%
8 HWM 2.04% 2,219,125 $455M $205.02 $61M +211,672 +10.5%
9 META 1.94% 655,283 $433M $660.09 -$131M -112,374 -14.6%
10 AVGO 1.73% 1,112,318 $385M $346.10 $179K -54,044 -4.6%
11 VRT 1.65% 2,277,716 $369M $162.01 $30M +30,498 +1.4%
12 LLY 1.34% 277,549 $298M $1,074.68 $87M +544 +0.2%
13 TPR 1.20% 2,098,104 $268M $127.77 -$9M -352,567 -14.4%
14 RVMD 1.02% 2,845,013 $227M $79.65 $109M +331,046 +13.2%
15 NOW 1.01% 1,476,803 $226M $153.19 -$13M +1,216,801 +468.0%
16 LPLA 1.00% 625,562 $223M $357.17 $32M +50,100 +8.7%
17 V 0.95% 603,926 $212M $350.71 -$29M -101,841 -14.4%
18 BAC 0.94% 3,823,609 $210M $55.00 $11M -37,494 -1.0%
19 TSLA 0.93% 461,675 $208M $449.72 $28M +57,455 +14.2%
20 MASI 0.89% 1,522,049 $198M $130.06 -$11M +102,799 +7.2%
21 ARES 0.83% 1,151,200 $186M $161.63 $22M +123,611 +12.0%
22 AME 0.83% 900,216 $185M $205.31 $117M +541,556 +151.0%
23 RKLB 0.81% 2,592,443 $181M $69.76 $64M +154,623 +6.3%
24 SMTC 0.81% 2,448,612 $180M $73.69 -$61M -931,761 -27.6%
25 HQY 0.80% 1,952,452 $179M $91.61 $16M +235,794 +13.7%
26 FITB 0.79% 3,746,926 $175M $46.81 $103M +2,126,978 +131.3%
27 AZO 0.78% 51,122 $173M $3,391.48 -$23M +5,352 +11.7%
28 MRVL 0.74% 1,947,807 $166M $84.98 -$54M -664,151 -25.4%
29 NTRA 0.73% 714,692 $164M $229.09 $71M +138,890 +24.1%
30 PCVX 0.73% 3,539,717 $163M $46.14 $29M -192,998 -5.2%
31 CWST 0.73% 1,665,226 $163M $97.94 $7M +17,319 +1.1%
32 NFLX 0.67% 1,597,547 $150M $93.76 -$127M +1,366,899 +592.6%
33 DT 0.65% 3,356,708 $145M $43.34 -$17M +10,928 +0.3%
34 SNOW 0.64% 649,105 $142M $219.36 $13M +74,150 +12.9%
35 HUBS 0.63% 352,154 $141M $401.30 $79M +217,979 +162.5%
36 IOT 0.63% 3,953,970 $140M $35.45 -$1M +152,183 +4.0%
37 ABVX 0.61% 1,009,966 $136M $134.86 +1,009,966 NEW
38 RYTM 0.61% 1,267,158 $136M $107.04 $28M +198,154 +18.5%
39 TSM 0.61% 446,195 $136M $303.89 $5M -21,203 -4.5%
40 MKSI 0.60% 839,773 $134M $159.80 $94M +516,409 +159.7%
41 LEGN 0.60% 6,164,677 $134M $21.74 -$65M +70,191 +1.1%
42 CVLT 0.59% 1,057,077 $133M $125.36 -$16M +270,902 +34.5%
43 WGS 0.59% 1,018,261 $132M $130.06 $74M +474,167 +87.2%
44 APG 0.59% 3,453,355 $132M $38.26 +3,453,355 NEW
45 TEAM 0.59% 812,215 $132M $162.14 $80M +489,777 +151.9%
46 ADMA 0.57% 6,992,907 $128M $18.24 $53M +1,886,105 +36.9%
47 RRX 0.56% 893,100 $125M $140.32 -$50M -328,630 -26.9%
48 RCL 0.56% 448,653 $125M $278.92 $16M +112,141 +33.3%
49 COHR 0.55% 665,123 $123M $184.57 -$36M -807,840 -54.8%
50 ROKU 0.54% 1,112,478 $121M $108.49 $10M +9,990 +0.9%
51 MSCI 0.53% 207,792 $119M $573.73 $20M +32,445 +18.5%
52 PRIM 0.53% 952,196 $118M $124.14 -$12M +4,888 +0.5%
53 GEV 0.52% 177,934 $116M $653.57 -$47M -87,802 -33.0%
54 PWR 0.52% 273,528 $115M $422.06 $14M +28,022 +11.4%
55 PLMR 0.51% 840,226 $113M $134.76 $27M +101,698 +13.8%
56 LYV 0.50% 775,234 $110M $142.50 $5M +128,864 +19.9%
57 PODD 0.49% 386,468 $110M $284.24 $48M +185,081 +91.9%
58 BROS 0.49% 1,779,616 $109M $61.22 +1,779,616 NEW
59 ABC 0.48% 319,215 $108M $337.75 $6M -6,445 -2.0%
60 BLD 0.48% 255,451 $107M $417.19 $19M +30,422 +13.5%
61 DSGX 0.47% 1,193,869 $105M $87.66 $10M +192,538 +19.2%
62 HEI-A 0.47% 412,041 $104M $252.43 -$38K +2,543 +0.6%
63 HLT 0.46% 357,721 $103M $287.25 $42M +124,003 +53.1%
64 NET 0.46% 519,475 $102M $197.15 -$771K +38,625 +8.0%
65 ITT 0.46% 587,446 $102M $173.51 $387K +19,419 +3.4%
66 P 0.46% 1,520,219 $102M $67.01 -$45M -231,339 -13.2%
67 IDXX 0.45% 147,447 $100M $676.53 $40M +53,318 +56.6%
68 BE 0.45% 1,145,296 $100M $86.89 -$42M -529,986 -31.6%
69 XPO 0.44% 724,214 $98M $135.91 $9M +29,500 +4.2%
70 EWBC 0.44% 874,152 $98M $112.39 $35M +284,617 +48.3%
71 DASH 0.43% 425,080 $96M $226.48 -$11M +31,452 +8.0%
72 ABBV 0.43% 419,784 $96M $228.49 $94M +411,856 +5194.9%
73 DXCM 0.43% 1,439,689 $96M $66.37 -$60M -872,521 -37.7%
74 ALKT 0.43% 4,118,355 $95M $23.07 $18M +1,023,297 +33.1%
75 NXT 0.43% 1,090,300 $95M $87.11 -$8M -307,757 -22.0%
76 KTOS 0.42% 1,245,587 $95M $75.91 $3M +239,771 +23.8%
77 SN 0.42% 840,060 $94M $111.90 -$51M -562,237 -40.1%
78 ORCL 0.41% 474,397 $92M $194.91 -$76M -125,800 -21.0%
79 ROK 0.41% 233,795 $91M $389.07 $20M +29,460 +14.4%
80 HLI 0.41% 520,002 $91M $174.19 $7M +113,696 +28.0%
81 CHRW 0.40% 556,472 $89M $160.76 $17M +5,647 +1.0%
82 OPCH 0.39% 2,765,305 $88M $31.86 $12M +7,447 +0.3%
83 BURL 0.39% 302,307 $87M $288.85 $35M +96,412 +46.8%
84 FTI 0.39% 1,952,427 $87M $44.56 $29M +472,317 +31.9%
85 ORLY 0.39% 952,702 $87M $91.21 -$1M +135,676 +16.6%
86 IMAX 0.39% 2,346,486 $87M $36.96 $34M +723,861 +44.6%
87 FN 0.39% 190,170 $87M $455.28 $27M +27,168 +16.7%
88 VST 0.39% 533,945 $86M $161.33 -$10M +41,385 +8.4%
89 FCFS 0.38% 537,734 $86M $159.38 $19M +115,279 +27.3%
90 GL 0.38% 608,813 $85M $139.86 $24M +178,171 +41.4%
91 PR 0.37% 5,951,186 $83M $14.03 $41M +2,593,470 +77.2%
92 KEY 0.37% 4,040,297 $83M $20.64 -$343K -439,917 -9.8%
93 PANW 0.37% 448,460 $83M $184.20 $7M +78,101 +21.1%
94 DKNG 0.37% 2,383,054 $82M $34.46 $4M +302,616 +14.6%
95 LECO 0.36% 337,725 $81M $239.64 $14M +54,762 +19.4%
96 PCOR 0.36% 1,105,325 $80M $72.74 -$32M -434,940 -28.2%
97 TRU 0.36% 933,553 $80M $85.75 -$19M -246,601 -20.9%
98 WTFC 0.35% 559,762 $78M $139.82 $18M +102,798 +22.5%
99 ONTO 0.34% 483,082 $76M $157.86 $15M +8,552 +1.8%
100 UNH 0.34% 230,278 $76M $330.11 -$7M -10,732 -4.5%

New Positions

SymbolValue% Port
ABVX $136M 0.61%
APG $132M 0.59%
BROS $109M 0.49%
CELH $71M 0.32%
LGN $69M 0.31%
GRMN $68M 0.31%
ADPT $66M 0.30%
ZS $63M 0.28%
MCO $60M 0.27%
PKG $59M 0.26%
TECH $58M 0.26%
DORM $57M 0.26%
GH $55M 0.25%
AMD $54M 0.24%
HLNE $49M 0.22%

Sold Out Positions

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

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

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