Arkolith/Funds/Main Street Research LLC

Main Street Research LLC

CIK: 1513211Q1 2026
Active Filer
Portfolio Value
$1.7B
Positions
160
New Buys
31
12 sold
Changes
75 ↑ / 36 ↓

Top HoldingsQ1 2026

160 total positions
#SecurityValueShares% PortChangeΔ Shares
1NVIDIA CORPORATION
COM
$108.3M620.8K6.3%
ADDED
+24.9K
2APPLE INC
COM
$102.4M403.6K6.0%
ADDED
+112.6K
3ALPHABET INC
CAP STK CL A
$89.7M311.8K5.2%
ADDED
+14.2K
4ISHARES TR
INTERNATIONAL SL
$81.9M1.96M4.8%
ADDED
+50.8K
5TAIWAN SEMICONDUCTOR MANUFAC
SPONSORED ADS
$75.4M223.2K4.4%
ADDED
+5.0K
6SPDR SERIES TRUST
STATE STREET SPD
$72.5M567.5K4.2%
ADDED
+207.0K
7JPMORGAN CHASE & CO
COM
$65.8M223.8K3.8%
ADDED
+1.8K
8BROADCOM INC
COM
$65.7M212.4K3.8%
ADDED
+7.0K
9MCKESSON CORP
COM
$58.6M67.8K3.4%
ADDED
+413
10AMAZON COM INC
COM
$56.1M269.2K3.3%
ADDED
+9.3K
11
ASML HLDG NV
N Y REGISTRY SHS
$55.1M41.7K3.2%
ADDED
+1.6K
12CORNING INC
COM
$52.7M387.7K3.1%
NEW
13COSTCO WHOLESALE CORPORATION
COM
$46.0M46.1K2.7%
REDUCED
-16,227
14JOHNSON & JOHNSON
COM
$45.7M186.9K2.7%
ADDED
+7.6K
15ISHARES INC
MSCI STH KOR ETF
$44.5M361.9K2.6%
ADDED
+6.4K
16GE VERNOVA INC
COM
$44.2M50.7K2.6%
ADDED
+1.5K
17WORLD GOLD TR
SPDR GLD MINIS
$43.5M469.5K2.5%
ADDED
+7.1K
18CATERPILLAR INC
COM
$43.3M61.1K2.5%
ADDED
+1.6K
19WALMART INC
COM
$42.9M344.9K2.5%
ADDED
+6.5K
20CAMECO CORP
COM
$42.3M389.1K2.5%
ADDED
+7.2K
21META PLATFORMS INC
CL A
$40.6M71.0K2.4%
REDUCED
-15,585
22AMPHENOL CORP
CL A
$38.0M301.0K2.2%
ADDED
+5.7K
23BHP BILLITON LIMITED
SPONSORED ADS
$37.8M519.2K2.2%
NEW
24
ASTRAZENECA PLC
ORD
$37.6M190.6K2.2%
NEW
25MICRON TECHNOLOGY INC
COM
$36.9M109.1K2.1%
ADDED
+103.8K
Showing top 25 of 160 positions

Filing History

Q1 2026148 pos
$1.7B
Q4 2025129 pos
$1.7B

Data Source

Holdings data sourced from SEC EDGAR 13F-HR filings. Updated quarterly, approximately 45 days after quarter end. All data is public domain.

Last filed: Apr 30, 2026