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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 | |
|---|---|---|---|---|---|---|
251
Danaher
DHR
$146B
| $2.1M | 0.01% |
11,033
-99,459
| -90% | -$18.1M |
|
252
Vanguard Morningstar Growth ETF
VUG
$228B
| $2M | 0.01% |
23,166
+8,508
| +58% | +$716K |
|
253
AbbVie
ABBV
$453B
| $1.98M | 0.01% |
7,854
-2,765
| -26% | -$595K |
|
254
Wingstop
WING
$2.97B
| $1.95M | 0.01% |
+11,260
| New | +$1.77M |
|
255
Ranpak Holdings
PACK
$389M
| $1.9M | 0.01% |
260,098
-147,230
| -36% | -$849K |
|
256
Intuitive Surgical
ISRG
$130B
| $1.82M | 0.01% |
4,572
+536
| +13% | +$234K |
|
257
DexCom
DXCM
$33.2B
| $1.75M | 0.01% |
25,990
-1,084
| -4% | -$72.2K |
|
|
KRMN
258
Karman Holdings
KRMN
$5.3B
| $1.74M | 0.01% |
34,800
-929,505
| -96% | -$60.1M |
|
|
DPC
259
DPC Holdings PLC
DPC
$6.7B
| $1.47M | ﹤0.01% |
+30,000
| New | +$1.46M |
|
260
Boston Scientific
BSX
$69.3B
| $1.47M | ﹤0.01% |
34,378
+28,413
| +476% | +$1.54M |
|
261
UnitedHealth
UNH
$356B
| $1.4M | ﹤0.01% |
3,377
+610
| +22% | +$226K |
|
262
State Street SPDR S&P Biotech ETF
XBI
$11.7B
| $1.19M | ﹤0.01% |
+7,520
| New | +$1.02M |
|
263
Vertex Pharmaceuticals
VRTX
$138B
| $1.09M | ﹤0.01% |
2,189
+1,325
| +153% | +$587K |
|
264
State Street SPDR S&P Regional Banking ETF
KRE
$4.22B
| $923K | ﹤0.01% |
+12,330
| New | +$863K |
|
|
NVO
265
Novo Nordisk
NVO
$206B
| $748K | ﹤0.01% |
15,599
-1,509
| -9% | -$64.8K |
|
|
WCN
266
Waste Connections
WCN
$41.5B
| $744K | ﹤0.01% |
4,466
| – | – |
|
267
iShares Russell Mid-Cap Growth ETF
IWP
$19.6B
| $725K | ﹤0.01% |
4,949
-3,350
| -40% | -$462K |
|
268
Wabtec
WAB
$47.8B
| $671K | ﹤0.01% |
2,490
| – | – |
|
269
EQT Corp
EQT
$34.5B
| $566K | ﹤0.01% |
10,640
| – | – |
|
270
iShares MSCI Australia ETF
EWA
$1.35B
| $474K | ﹤0.01% |
+16,850
| New | +$489K |
|
271
RingCentral
RNG
$6.13B
| $419K | ﹤0.01% |
+10,760
| New | +$435K |
|
272
iShares MSCI Brazil ETF
EWZ
$8.6B
| $417K | ﹤0.01% |
+12,090
| New | +$452K |
|
273
D.R. Horton
DHI
$39.9B
| $357K | ﹤0.01% |
+2,190
| New | +$327K |
|
274
Ionis Pharmaceuticals
IONS
$9.65B
| $336K | ﹤0.01% |
4,233
+731
| +21% | +$55K |
|
275
Cameco
CCJ
$43.9B
| $317K | ﹤0.01% |
3,110
| – | – |
|
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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.