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Westfield Capital Management

Westfield Capital Management Portfolio holdings

AUM $30.6B
1-Year Est. Return 61.81%
This Fund
S&P 500
This Quarter Est. Return
+32.34%
1 Year Est. Return
+61.81%
3 Year Est. Return
+195.36%
5 Year Est. Return
+240.54%
10 Year Est. Return
+1,285%
AUM
$30.6B
AUM Growth
+$6.78B
Cap. Flow
+$1.18B
Cap. Flow %
3.85%
Top 10 Hldgs %
29.23%
Holding
318
New
68
Increased
97
Reduced
105
Closed
40

Top Sells

Rank Stock Value
1
FIX icon
Comfort Systems
FIX
+$482M
2
AMZN icon
Amazon
AMZN
+$356M
3
MRVL icon
Marvell Technology
MRVL
+$333M
4
BE icon
Bloom Energy
BE
+$303M
5
VRT icon
Vertiv
VRT
+$275M

Sector Composition

Rank Sector Weight
1 Technology 33.44%
2 Industrials 24.01%
3 Healthcare 16.38%
4 Financials 7.6%
5 Consumer Discretionary 7.21%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
TMO icon
226
Thermo Fisher Scientific
TMO
$234B
$7.13M 0.02%
14,214
+740
+5% +$355K
PH icon
227
Parker-Hannifin
PH
$131B
$6.96M 0.02%
7,115
-51,374
-88% -$47.1M
MRK icon
228
Merck
MRK
$378B
$6.85M 0.02%
53,297
+10,396
+24% +$1.22M
BBVA icon
229
Banco Bilbao Vizcaya Argentaria
BBVA
$160B
$6.74M 0.02%
269,104
+414
+0.2% +$9.45K
FCNCA icon
230
First Citizens BancShares
FCNCA
$24.6B
$6.63M 0.02%
3,185
AMGN icon
231
Amgen
AMGN
$238B
$6.17M 0.02%
17,047
-5
-0% -$1.71K
GE icon
232
GE Aerospace
GE
$368B
$5.68M 0.02%
+15,191
New +$4.76M
WSM icon
233
Williams-Sonoma
WSM
$28B
$5.5M 0.02%
+23,587
New +$4.67M
ROL icon
234
Rollins
ROL
$17.7B
$5.49M 0.02%
131,503
+886
+0.7% +$45.3K
MCK icon
235
McKesson
MCK
$105B
$5.21M 0.02%
6,895
-6
-0.1% -$4.76K
HEI.A icon
236
HEICO Corp Class A
HEI.A
$35.8B
$5.19M 0.02%
20,130
HSY icon
237
Hershey
HSY
$37.2B
$5.12M 0.02%
29,173
+15
+0.1% +$2.83K
VIRT icon
238
Virtu Financial
VIRT
$5.8B
$5.1M 0.02%
+85,582
New +$4.5M
BG icon
239
Bunge Global
BG
$21.8B
$4.99M 0.02%
+46,759
New +$5.75M
EQIX icon
240
Equinix
EQIX
$107B
$4.97M 0.02%
+4,772
New +$5.11M
SCCO icon
241
Southern Copper
SCCO
$180B
$4.23M 0.01%
24,559
-99
-0.4% -$17.8K
WSO icon
242
Watsco Inc
WSO
$13B
$4.09M 0.01%
9,807
-15
-0.2% -$6.03K
FDX icon
243
FedEx
FDX
$79.5B
$4.02M 0.01%
+12,837
New +$4.66M
MRVL icon
244
Marvell Technology
MRVL
$220B
$3.93M 0.01%
13,193
-1,660,188
-99% -$333M
PFE icon
245
Pfizer
PFE
$161B
$3.9M 0.01%
162,023
+28,289
+21% +$740K
D icon
246
Dominion Energy
D
$58.8B
$3.62M 0.01%
53,050
-212
-0.4% -$13.8K
VRSN icon
247
VeriSign
VRSN
$26.5B
$3.55M 0.01%
+14,118
New +$3.92M
BE icon
248
Bloom Energy
BE
$64.3B
$3.2M 0.01%
10,570
-1,181,002
-99% -$303M
AM icon
249
Antero Midstream
AM
$10.7B
$3.04M 0.01%
+133,412
New +$2.9M
HD icon
250
Home Depot
HD
$334B
$2.12M 0.01%
6,017
-14,388
-71% -$4.68M

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Westfield Capital Management's Q2 2026 Portfolio in Review

As of Q2 2026, Westfield Capital Management held 318 positions worth $30.6B, up 28% from $23.8B the previous quarter. Its ten largest holdings account for 29% of the portfolio.

Westfield Capital Management deployed $1.18B of net new capital in Q2 2026, opening 68 new positions and adding to 97 existing holdings. Its largest new stake was Carpenter Technology: 314,082 shares worth $194M.

By sector, the portfolio is most concentrated in Technology at 33% of assets, up from 28% a quarter earlier, followed by Industrials and Healthcare.

On the sell side, the largest reduction was Comfort Systems, an estimated $482M trimmed.

  • Westfield Capital Management's largest Q2 2026 buy was Carpenter Technology: 314,082 shares worth $194M.
  • Westfield Capital Management added most to Alphabet (Google) Class A in Q2 2026, an estimated $620M increase.
  • Westfield Capital Management's biggest Q2 2026 reduction was Comfort Systems, cutting an estimated $482M.
  • Westfield Capital Management fully exited Kratos Defense & Security Solutions in Q2 2026, selling an estimated $110M.
  • Westfield Capital Management's ten largest holdings make up 29% of its $30.6B portfolio in Q2 2026.
  • Westfield Capital Management opened 68 new positions and closed 40 in Q2 2026.
  • Westfield Capital Management's portfolio value rose 28% quarter-over-quarter to $30.6B.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.