Main Street Research LLC Purchases and Sells in Q3 2025

Main Street Research LLC

$1.77 Billion
Q3 2025

Top Buys

Incresed Positions

70 operations

Stock	Shares change	Price Range	Shares Held	Trade History
MSFT	73.5K + 77.57%	$491.09 - $535.64 $36.1M - $39.3M	168K $87.1M
TSM	83.9K + 61.25%	$224.68 - $282.71 $18.8M - $23.7M	221K $61.7M
AAPL	56.9K + 19.33%	$202.38 - $256.87 $11.5M - $14.6M	351K $89.5M
HOOD	2.57K + 0.48%	$91.27 - $143.18 $234K - $368K	539K $77.2M
ASML	22.9K + 131.09%	$689.63 - $968.09 $15.8M - $22.2M	40.4K $39.1M
GOOGL	2.5K + 0.84%	$174.36 - $254.72 $436K - $637K	300K $72.9M

New Holdings

20 operations

Stock	Shares change	Price Range	Shares Held	Trade History
ISCF	1.5M New	$38.52 - $41.26 $57.6M - $61.7M	1.5M $61.5M
APH	297K New	$97.39 - $125.4 $29M - $37.3M	297K $36.8M
BCS	1.69M New	$17.88 - $21.05 $30.3M - $35.7M	1.69M $35M
CCJ	364K New	$70.47 - $86.89 $25.7M - $31.7M	364K $30.6M
APO	217K New	$131.55 - $156.05 $28.6M - $33.9M	217K $28.9M
IT	2.15K New	$225.98 - $406.7 $487K - $876K	2.15K $565K

Top Sells

Reduced Positions

20 operations

Stock	Shares change	Price Range	Shares Held	Trade History
BRK-B	-103K - 88.59%	$459.11 - $506.91 $47.3M - $52.2M	13.3K $6.67M
PG	-254K - 62.46%	$150.47 - $161.22 $38.2M - $41M	153K $23.5M
BSX	-375K - 98.31%	$97.03 - $108.14 $36.4M - $40.5M	6.45K $629K
FICO	-2.1K - 19.55%	$1311.26 - $1869.83 $2.75M - $3.92M	8.63K $12.9M
ACN	-125 - 4.79%	$232.56 - $304.78 $29.1K - $38.1K	2.48K $612K
ADSK	-580 - 3.96%	N/A	14.1K $3.46M

Activity Summary All Purchases 90 New Holdings 20 Increased Positions 70 All Sells 20 Reductions 20 Sold out 0 Calls 0 Puts 0

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