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

WESTFIELD CAPITAL MANAGEMENT CO LP

Q3 2025 · Filed 2025-11-12
Market Value
$22.2B
-1.1%
Holdings
277
New Purchases
42
Added To
78
Closed
47
Reduced
97
Top 10 Concentration
29.7%
Turnover
32.1%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
MRVL 0.99% 0.00% +0.99% $220M
FIX 3.09% 2.23% +0.86% $688M
BE 0.64% 0.00% +0.64% $142M
AAPL 3.82% 3.19% +0.63% $849M
SMTC 1.09% 0.55% +0.53% $242M
PLTR 0.50% 0.00% +0.49% $111M
KRMN 0.46% 0.00% +0.46% $103M
GOOGL 2.45% 2.02% +0.44% $546M
MRUS 0.90% 0.48% +0.43% $201M
KTOS 0.41% 0.00% +0.41% $92M
CVLT 0.67% 0.26% +0.41% $148M
COHR 0.71% 0.31% +0.41% $159M
BLD 0.40% 0.00% +0.40% $88M
P 0.66% 0.26% +0.40% $147M
KKR 0.39% 0.00% +0.39% $87M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
CRM 0.00% 0.79% -0.79% $0
EAT 0.24% 0.99% -0.75% $53M
TDG 1.29% 1.96% -0.67% $287M
BMI 0.00% 0.67% -0.67% $0
FN 0.27% 0.87% -0.60% $59M
TXRH 0.00% 0.59% -0.59% $0
CHKP 0.09% 0.67% -0.58% $21M
AMAT 0.00% 0.57% -0.57% $0
AXON 2.35% 2.91% -0.56% $523M
LNTH 0.00% 0.54% -0.54% $0
PGR 0.00% 0.53% -0.53% $0
AMZN 2.51% 3.03% -0.52% $558M
APO 0.00% 0.48% -0.48% $0
ROL 0.03% 0.47% -0.44% $6M
GLOB 0.00% 0.44% -0.44% $0

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 31 $6.9B 31.1%
Large Cap 169 $11.3B 50.6%
Mid Cap 65 $3.7B 16.6%
Small Cap 12 $378M 1.7%

Portfolio Analytics

Avg Market Cap
$182.3B
Median Market Cap
$23.1B
Avg P/E
49.1
Median P/E
30.3
Avg Dividend Yield
0.01%
Avg Beta
1.16
# Stocks
275
# ETFs / Funds
2

Top Holdings (277 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 NVDA 5.46% 6,507,165 $1.2B $186.58 $22M -1,038,180 -13.8%
2 MSFT 3.97% 1,705,236 $883M $517.95 $9M -52,188 -3.0%
3 AAPL 3.82% 3,334,545 $849M $254.63 $132M -159,639 -4.6%
4 FIX 3.09% 833,195 $688M $825.18 $185M -103,217 -11.0%
5 META 2.54% 767,657 $564M $734.38 -$70M -90,745 -10.6%
6 AMZN 2.51% 2,541,729 $558M $219.57 -$122M -558,723 -18.0%
7 GOOGL 2.45% 2,244,650 $546M $243.10 $92M -326,987 -12.7%
8 AXON 2.35% 729,152 $523M $717.64 -$131M -60,927 -7.7%
9 HWM 1.77% 2,007,453 $394M $196.23 $37M +91,498 +4.8%
10 AVGO 1.73% 1,166,362 $385M $329.91 $16M -169,780 -12.7%
11 VRT 1.53% 2,247,218 $339M $150.86 $346K -390,191 -14.8%
12 TDG 1.29% 217,897 $287M $1,318.02 -$154M -72,116 -24.9%
13 TPR 1.25% 2,450,671 $277M $113.22 -$23M -968,574 -28.3%
14 NFLX 1.24% 230,648 $277M $1,198.92 -$61M -21,275 -8.4%
15 SMTC 1.09% 3,380,373 $242M $71.45 $118M +633,113 +23.1%
16 V 1.08% 705,767 $241M $341.38 -$42M -90,696 -11.4%
17 NOW 1.08% 260,002 $239M $920.28 -$67M -38,274 -12.8%
18 MRVL 0.99% 2,611,958 $220M $84.07 +2,611,958 NEW
19 LLY 0.95% 277,005 $211M $763.00 -$28M -30,488 -9.9%
20 MASI 0.94% 1,419,250 $209M $147.55 $11M +238,047 +20.1%
21 MRUS 0.90% 2,132,489 $201M $94.15 $93M +90,101 +4.4%
22 BAC 0.90% 3,861,103 $199M $51.59 -$390K -356,657 -8.5%
23 LEGN 0.89% 6,094,486 $199M $32.61 -$31M -378,061 -5.8%
24 AZO 0.88% 45,770 $196M $4,290.23 $55M +7,588 +19.9%
25 LPLA 0.86% 575,462 $191M $332.69 -$102M -206,770 -26.4%
26 TSLA 0.81% 404,220 $180M $444.72 $40M -34,193 -7.8%
27 RRX 0.79% 1,221,730 $175M $143.44 $49M +351,599 +40.4%
28 ORCL 0.76% 600,197 $169M $281.24 $20M -78,743 -11.6%
29 RBLX 0.74% 1,189,575 $165M $138.52 $45M +48,502 +4.2%
30 ARES 0.74% 1,027,589 $164M $159.89 -$23M -51,180 -4.7%
31 GEV 0.74% 265,736 $163M $614.90 -$9M -59,552 -18.3%
32 HQY 0.73% 1,716,658 $163M $94.77 $30M +451,450 +35.7%
33 DT 0.73% 3,345,780 $162M $48.45 -$862K +394,054 +13.3%
34 COHR 0.71% 1,472,963 $159M $107.72 $90M +698,728 +90.2%
35 CWST 0.70% 1,647,907 $156M $94.88 -$23M +95,600 +6.2%
36 DXCM 0.70% 2,312,210 $156M $67.29 -$52M -68,028 -2.9%
37 CVLT 0.67% 786,175 $148M $188.78 $90M +452,422 +135.6%
38 P 0.66% 1,751,558 $147M $83.81 $87M +717,834 +69.4%
39 SN 0.65% 1,402,297 $145M $103.15 $6M -2,454 -0.2%
40 BE 0.64% 1,675,282 $142M $84.57 +1,675,282 NEW
41 IOT 0.64% 3,801,787 $142M $37.25 $433K +252,681 +7.1%
42 PCVX 0.60% 3,732,715 $134M $36.02 $35M +663,817 +21.6%
43 MNDY 0.60% 693,319 $134M $193.69 -$69M +46,999 +7.3%
44 TSM 0.59% 467,398 $131M $279.29 -$895K -112,915 -19.5%
45 PRIM 0.59% 947,308 $130M $137.33 $79M +293,085 +44.8%
46 SNOW 0.58% 574,955 $130M $225.55 $46M +201,332 +53.9%
47 RVMD 0.53% 2,513,967 $117M $46.70 $57M +864,563 +52.4%
48 RKLB 0.53% 2,437,820 $117M $47.91 $32M +72,772 +3.1%
49 PCOR 0.51% 1,540,265 $112M $72.92 $9M +35,478 +2.4%
50 PLTR 0.50% 606,450 $111M $182.42 $110M +599,424 +8531.5%
51 ROKU 0.50% 1,102,488 $110M $100.13 $14M +4,781 +0.4%
52 RCL 0.49% 336,512 $109M $323.58 -$2M -16,013 -4.5%
53 IP 0.49% 2,341,336 $109M $46.40 -$181K +17,643 +0.8%
54 RYTM 0.49% 1,069,004 $108M $100.99 $5M -560,464 -34.4%
55 DASH 0.48% 393,628 $107M $271.99 $16M +25,476 +6.9%
56 LYV 0.48% 646,370 $106M $163.40 $3M -31,360 -4.6%
57 HEI-A 0.47% 409,498 $104M $254.09 $11M +48,436 +13.4%
58 NXT 0.47% 1,398,057 $103M $73.99 $32M +80,493 +6.1%
59 NET 0.46% 480,850 $103M $214.59 $15M +32,154 +7.2%
60 KRMN 0.46% 1,425,576 $103M $72.20 +1,425,576 NEW
61 ABC 0.46% 325,660 $102M $312.53 $21M +56,908 +21.2%
62 PWR 0.46% 245,506 $102M $414.42 $37M +75,449 +44.4%
63 ITT 0.46% 568,027 $102M $178.76 -$2M -89,223 -13.6%
64 GKOS 0.45% 1,231,641 $100M $81.55 -$20M +63,788 +5.5%
65 MSCI 0.45% 175,347 $99M $567.41 $16M +30,987 +21.5%
66 TRU 0.44% 1,180,154 $99M $83.78 $18M +257,868 +28.0%
67 VST 0.43% 492,560 $97M $195.92 -$4M -26,726 -5.2%
68 DSGX 0.42% 1,001,331 $94M $94.23 $28M +351,700 +54.1%
69 NTRA 0.42% 575,802 $93M $160.97 -$20M -94,087 -14.1%
70 KTOS 0.41% 1,005,816 $92M $91.37 +1,005,816 NEW
71 XPO 0.40% 694,714 $90M $129.27 $42M +319,093 +85.0%
72 ORLY 0.40% 817,026 $88M $107.81 $33M +204,637 +33.4%
73 BLD 0.40% 225,029 $88M $390.86 +225,029 NEW
74 KKR 0.39% 672,895 $87M $129.95 +672,895 NEW
75 PLMR 0.39% 738,528 $86M $116.75 $23M +330,592 +81.0%
76 COST 0.38% 92,163 $85M $925.63 -$58M -52,463 -36.3%
77 KEY 0.38% 4,480,214 $84M $18.69 $2M -198,574 -4.2%
78 HLI 0.38% 406,306 $83M $205.32 $21M +60,782 +17.6%
79 UNH 0.37% 241,010 $83M $345.30 $11M +10,977 +4.8%
80 AJG 0.37% 267,709 $83M $309.74 -$20M -53,897 -16.8%
81 DKNG 0.35% 2,080,438 $78M $37.40 -$36M -562,887 -21.3%
82 ALKT 0.35% 3,095,058 $77M $24.84 $41M +1,904,474 +160.0%
83 OPCH 0.34% 2,757,858 $77M $27.76 -$23M -303,616 -9.9%
84 PANW 0.34% 370,359 $75M $203.62 +370,359 NEW
85 ADMA 0.34% 5,106,802 $75M $14.66 +5,106,802 NEW
86 BLDR 0.34% 616,032 $75M $121.25 +616,032 NEW
87 WYNN 0.33% 573,694 $74M $128.27 +573,694 NEW
88 CHRW 0.33% 550,825 $73M $132.40 +550,825 NEW
89 VMC 0.33% 236,556 $73M $307.62 $8M -12,127 -4.9%
90 GENI 0.33% 5,850,083 $72M $12.38 $39M +2,647,948 +82.7%
91 FITB 0.32% 1,619,948 $72M $44.55 $20M +340,030 +26.6%
92 RYAN 0.32% 1,278,134 $72M $56.36 -$15M -1,681 -0.1%
93 OWL 0.32% 4,228,444 $72M $16.93 -$27M -924,016 -17.9%
94 ROK 0.32% 204,335 $71M $349.53 $111K -10,345 -4.8%
95 PRI 0.32% 256,774 $71M $277.59 $3M +6,623 +2.6%
96 PRCT 0.32% 1,970,147 $70M $35.69 -$22M +371,798 +23.3%
97 INSM 0.32% 487,927 $70M $144.01 -$65M -851,361 -63.6%
98 RRR 0.32% 1,147,417 $70M $61.06 $347K -192,469 -14.4%
99 ICLR 0.31% 396,354 $69M $175.00 $19M +50,526 +14.6%
100 CRDO 0.31% 472,841 $69M $145.61 $20M -55,537 -10.5%

New Positions

SymbolValue% Port
MRVL $220M 0.99%
BE $142M 0.64%
KRMN $103M 0.46%
KTOS $92M 0.41%
BLD $88M 0.40%
KKR $87M 0.39%
PANW $75M 0.34%
ADMA $75M 0.34%
BLDR $75M 0.34%
WYNN $74M 0.33%
CHRW $73M 0.33%
RH $68M 0.30%
FCFS $67M 0.30%
GL $62M 0.28%
IDXX $60M 0.27%

Sold Out Positions

SymbolValue% Port
FLR —%
BFAM —%
AVTR —%
AIG —%
AXTA —%
AVY —%
GLOB —%
CRM —%
APO —%
WLY —%
MWA —%
KMPR —%
ANF —%
ITW —%
G —%
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