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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
(+28%)
Cap. Flow
+$1.18B
Cap. Flow
% of AUM
3.85%
Top 10 Holdings %
Top 10 Hldgs %
29.23%
Holding
318
New
68
Increased
97
Reduced
105
Closed
40
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class A
GOOGL
|
+$620M |
| 2 |
NVIDIA
NVDA
|
+$362M |
| 3 |
Snowflake
SNOW
|
+$187M |
| 4 |
AXON
Axon Enterprise
AXON
|
+$179M |
| 5 |
Gilead Sciences
GILD
|
+$166M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Comfort Systems
FIX
|
+$482M |
| 2 |
Amazon
AMZN
|
+$356M |
| 3 |
Marvell Technology
MRVL
|
+$333M |
| 4 |
Bloom Energy
BE
|
+$303M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
|
PTRN
176
Pattern Group Inc
PTRN
$3.74B
| $41.7M | 0.14% |
1,656,169
+483,278
| +41% | +$8.2M |
|
177
Penumbra
PEN
$12.7B
| $41.5M | 0.14% |
+131,394
| New | +$42.6M |
|
178
Royal Caribbean
RCL
$77.6B
| $40.7M | 0.13% |
128,165
-377,600
| -75% | -$106M |
|
179
Procore
PCOR
$9.18B
| $40.2M | 0.13% |
989,417
-11,836
| -1% | -$585K |
|
|
FITB
180
Fifth Third Bancorp
FITB
$50B
| $40.1M | 0.13% |
711,015
-1,674,407
| -70% | -$84.9M |
|
181
Applied Digital
APLD
$7.64B
| $38.8M | 0.13% |
1,039,641
+497,549
| +92% | +$19.2M |
|
182
Impinj
PI
$4.87B
| $38.8M | 0.13% |
+270,646
| New | +$35.3M |
|
183
Freeport-McMoran
FCX
$113B
| $38.6M | 0.13% |
613,078
+68,719
| +13% | +$4.42M |
|
184
Toast
TOST
$21.4B
| $38.2M | 0.12% |
1,373,221
-417,652
| -23% | -$10.9M |
|
185
Rigetti Computing
RGTI
$5.32B
| $37.7M | 0.12% |
1,951,807
+56,494
| +3% | +$1.09M |
|
186
Diamondback Energy
FANG
$56B
| $37.4M | 0.12% |
212,709
-290,765
| -58% | -$56.4M |
|
187
SiTime
SITM
$18B
| $37.3M | 0.12% |
+49,998
| New | +$31.5M |
|
188
Applied Optoelectronics
AAOI
$9.66B
| $37M | 0.12% |
+249,553
| New | +$40.6M |
|
189
Krystal Biotech
KRYS
$10.6B
| $36.7M | 0.12% |
+98,707
| New | +$29.5M |
|
|
ECG
190
Everus Construction Group
ECG
$6.19B
| $36.7M | 0.12% |
+221,067
| New | +$32.4M |
|
191
SPX Corp
SPXC
$10.3B
| $36.2M | 0.12% |
147,481
-1,795
| -1% | -$393K |
|
192
Axsome Therapeutics
AXSM
$10.9B
| $35.5M | 0.12% |
+145,145
| New | +$31.5M |
|
193
Silicon Motion
SIMO
$8.92B
| $35.5M | 0.12% |
+106,466
| New | +$24.7M |
|
194
Corpay
CPAY
$26.7B
| $34.7M | 0.11% |
103,975
-39,145
| -27% | -$13M |
|
195
iRhythm Holdings
IRTC
$3.93B
| $34.4M | 0.11% |
+288,924
| New | +$33.6M |
|
196
TeraWulf
WULF
$7.97B
| $33M | 0.11% |
+1,336,673
| New | +$30.7M |
|
197
Kaiser Aluminum
KALU
$2.54B
| $32M | 0.1% |
+163,465
| New | +$27.8M |
|
198
D-Wave Quantum Inc
QBTS
$6.52B
| $31.5M | 0.1% |
+1,313,161
| New | +$28.8M |
|
199
Dianthus Therapeutics
DNTH
$6.2B
| $30.7M | 0.1% |
+314,914
| New | +$27.5M |
|
200
Kodiak Gas Services
KGS
$6.11B
| $30.2M | 0.1% |
+402,126
| New | +$27.3M |
|
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KAS
KK
FAM
GMC
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.