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Main Street Research LLC

Q2 2026 13F filing

Updated 43 days ago

140 disclosed positions worth $2.1B

Portfolio value
$2.1B
Total holdings
140
New positions
13
Closed positions
21
Increased
67
Decreased
51
Turnover
24.3%
Filed
2026-07-29

Full holdings

Every line item disclosed in Q2 2026

N

NVIDIA CORPORATION

+1.5%
Value
$126.1M
Shares
630.1K
% Port
5.95%
M
2.MU

MICRON TECHNOLOGY INC

-0.4%
Value
$125.4M
Shares
108.6K
% Port
5.92%
A

APPLE INC

+0.6%
Value
$117.5M
Shares
406.1K
% Port
5.55%
G

ALPHABET INC

+1.7%
Value
$113.3M
Shares
316.9K
% Port
5.35%
T

TAIWAN SEMICONDUCTOR MANUFAC

+2.4%
Value
$109.1M
Shares
228.4K
% Port
5.15%
G
6.GLW

CORNING INC

+1.6%
Value
$100.7M
Shares
394.1K
% Port
4.75%
S

SPDR SERIES TRUST

+1.6%
Value
$91.3M
Shares
576.8K
% Port
4.31%
E

ISHARES TR

+3.5%
Value
$87.8M
Shares
2.03M
% Port
4.14%
A

ASML HLDG NV

+1.7%
Value
$84.3M
Shares
42.4K
% Port
3.98%
A
10.AVGO

BROADCOM INC

+0.7%
Value
$80.8M
Shares
213.8K
% Port
3.81%
J

JPMORGAN CHASE & CO

+1.1%
Value
$74.1M
Shares
226.3K
% Port
3.50%
E
12.ETHA

ISHARES INC

-0.3%
Value
$72.9M
Shares
360.9K
% Port
3.44%
C
13.CAT

CATERPILLAR INC

+1.1%
Value
$65.8M
Shares
61.8K
% Port
3.10%
A
14.AMZN

AMAZON COM INC

+2.1%
Value
$65.5M
Shares
274.7K
% Port
3.09%
G
15.GEV

GE VERNOVA INC

+0.2%
Value
$59.7M
Shares
50.8K
% Port
2.82%
A
16.APH

AMPHENOL CORP

+2.5%
Value
$54.4M
Shares
308.7K
% Port
2.57%
J
17.JNJ

JOHNSON & JOHNSON

+0.9%
Value
$47.9M
Shares
188.6K
% Port
2.26%
R

ROYAL BK CDA

+2.0%
Value
$47M
Shares
227.1K
% Port
2.22%
C
19.COST

COSTCO WHOLESALE CORPORATION

+2.9%
Value
$44.4M
Shares
47.5K
% Port
2.10%
B

BHP BILLITON LIMITED

+1.7%
Value
$44M
Shares
528.1K
% Port
2.08%
B

BARCLAYS PLC

+90.5%
Value
$43.6M
Shares
1.62M
% Port
2.06%
M
22.META

META PLATFORMS INC

+1.7%
Value
$40.7M
Shares
72.2K
% Port
1.92%
K
23.KEYS

KEYSIGHT TECHNOLOGIES INC

+1.9%
Value
$40.3M
Shares
115.1K
% Port
1.90%
C
24.CCJ

CAMECO CORP

+0.6%
Value
$39.9M
Shares
391.5K
% Port
1.88%
W
25.WMT

WALMART INC

+1.1%
Value
$39.5M
Shares
348.6K
% Port
1.86%
A
26.AZN

ASTRAZENECA PLC

+3.5%
Value
$37.4M
Shares
197.4K
% Port
1.77%
R
27.ROST

ROSS STORES INC

Value
$32.1M
Shares
150.8K
% Port
1.51%
F
28.FTI

TECHNIPFMC PLC

Value
$27.4M
Shares
413.7K
% Port
1.29%
M
29.MSFT

MICROSOFT CORP

+2.4%
Value
$25.8M
Shares
69.2K
% Port
1.22%
P
30.PG

PROCTER & GAMBLE CO

-0.4%
Value
$22.2M
Shares
151.1K
% Port
1.05%
M
31.MCK

MCKESSON CORP

-58.0%
Value
$21.5M
Shares
28.5K
% Port
1.02%
F
32.FICO

FAIR ISAAC CORP

+13.2%
Value
$11.4M
Shares
9.6K
% Port
0.54%
G

ALPHABET INC

-3.1%
Value
$8M
Shares
22.7K
% Port
0.38%
P
34.PANW

PALO ALTO NETWORKS INC

-31.4%
Value
$8M
Shares
23.3K
% Port
0.38%
B

BERKSHIRE HATHAWAY INC DEL

+0.0%
Value
$6M
Shares
12.0K
% Port
0.28%
A
36.ANET

ARISTA NETWORKS INC

-0.1%
Value
$5.9M
Shares
34.9K
% Port
0.28%
T
37.TSLA

TESLA INC

+4.9%
Value
$5.4M
Shares
12.9K
% Port
0.26%
S

SCHWAB CHARLES CORP

-1.0%
Value
$4.2M
Shares
45.9K
% Port
0.20%
W

WELLS FARGO & CO

+3.5%
Value
$4M
Shares
48.5K
% Port
0.19%
B

BERKSHIRE HATHAWAY INC DEL

Unchanged
Value
$3.7M
Shares
5
% Port
0.18%
E
41.ETHA

ISHARES TR

+1.3%
Value
$3.7M
Shares
39.1K
% Port
0.18%
L
42.LLY

ELI LILLY & CO

-5.6%
Value
$3.3M
Shares
2.7K
% Port
0.16%
V
43.V

VISA INC

-8.6%
Value
$3.2M
Shares
9.4K
% Port
0.15%
X
44.XOM

EXXON MOBIL CORP

-6.2%
Value
$3.1M
Shares
22.4K
% Port
0.14%
A
45.ADSK

AUTODESK INC

-1.1%
Value
$2.8M
Shares
14.2K
% Port
0.13%
E
46.ETHA

ISHARES INC

-8.3%
Value
$2.7M
Shares
13.5K
% Port
0.13%
C
47.CVX

CHEVRON CORPORATION

-4.6%
Value
$2.7M
Shares
16.1K
% Port
0.13%
S
48.SPY

STATE STR SPDR S&P 500 ETF T

+6.8%
Value
$2.6M
Shares
3.5K
% Port
0.12%
A
49.ABBV

ABBVIE INC

-5.2%
Value
$2.4M
Shares
9.7K
% Port
0.12%
M
50.MCD

MCDONALDS CORP

-42.4%
Value
$2.4M
Shares
8.9K
% Port
0.11%