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Asset Manager ← All Institutions

Main Street Research LLC

342 MAIN STREET, LAKEVILLE, CT 06039 • 860-435-2350

Q4 2025 · Filed 2026-02-09
Market Value
$1.7B
-7.4%
Holdings
145
+10
New Purchases
16
Added To
25
Closed
17
Reduced
77
Top 10 Concentration
46.2%
Turnover
22.8%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
XBI 2.56% 0.00% +2.56% $44M
JNJ 2.17% 0.11% +2.05% $37M
EWY 2.02% 0.00% +2.02% $35M
CAT 1.99% 0.08% +1.91% $34M
GOOGL 5.43% 3.94% +1.50% $93M
ISCF 4.62% 3.32% +1.30% $79M
BCS 2.50% 1.89% +0.61% $43M
TSM 3.88% 3.33% +0.54% $66M
AVGO 4.15% 3.72% +0.43% $71M
NVDA 6.48% 6.06% +0.42% $111M
ASML 2.50% 2.11% +0.39% $43M
CCJ 2.04% 1.65% +0.39% $35M
AMZN 3.50% 3.12% +0.38% $60M
GLDM 2.30% 1.93% +0.37% $39M
MCK 3.23% 2.88% +0.35% $55M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NFLX 0.06% 2.78% -2.72% $996K
TMUS 0.03% 2.33% -2.31% $439K
MELI 0.00% 2.00% -2.00% $0
SPOT 0.00% 1.90% -1.90% $0
LIN 0.01% 1.88% -1.87% $256K
TT 0.02% 1.79% -1.77% $369K
APO 0.00% 1.56% -1.56% $0
HOOD 3.51% 4.17% -0.66% $60M
BKNG 1.19% 1.80% -0.61% $20M
FICO 0.25% 0.70% -0.45% $4M
ANET 0.00% 0.27% -0.27% $0
UBER 2.13% 2.40% -0.27% $37M
PANW 0.14% 0.38% -0.24% $2M
AAPL 4.61% 4.83% -0.22% $79M
META 3.33% 3.54% -0.21% $57M

Sector Allocation Over Time

Industry Breakdown

IndustryWeight
Technology 37.8%
Financial Services 24.1%
Healthcare 8.8%
Communication Services 8.1%
Consumer Defensive 6.6%

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 56 $1.1B 66.7%
Large Cap 79 $442M 25.8%
Mid Cap 7 $49M 2.9%
Small Cap 3 $79M 4.6%

Portfolio Analytics

Avg Market Cap
$428.1B
Median Market Cap
$146.2B
Avg P/E
39.2
Median P/E
28.9
Avg Dividend Yield
0.01%
Avg Beta
1.12
# Stocks
119
# ETFs / Funds
26

Top Holdings (145 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 NVDA 6.48% 595,844 $111M $186.50 -$1M -5,714 -0.9%
2 GOOGL 5.43% 297,544 $93M $313.00 $20M -2,300 -0.8%
3 MSFT 4.75% 168,207 $81M $483.62 -$6M +43 +0.0%
4 ISCF 4.62% 1,907,800 $79M $41.48 $18M +412,800 +27.6%
5 AAPL 4.61% 290,937 $79M $271.86 -$10M -60,378 -17.2%
6 PLTR 4.57% 440,250 $78M $177.75 -$5M -15,243 -3.4%
7 JPM 4.17% 221,919 $72M $322.22 $623K -2,804 -1.2%
8 AVGO 4.15% 205,395 $71M $346.10 $2M -3,031 -1.4%
9 TSM 3.88% 218,147 $66M $304.69 $5M -2,724 -1.2%
10 V 3.56% 174,088 $61M $350.71 $598K -3,005 -1.7%
11 HOOD 3.51% 532,399 $60M $113.10 -$17M -6,906 -1.3%
12 AMZN 3.50% 259,849 $60M $230.82 $2M -3,085 -1.2%
13 META 3.33% 86,547 $57M $660.09 -$8M -2,636 -3.0%
14 MCK 3.23% 67,361 $55M $821.11 $2M -1,531 -2.2%
15 COST 3.14% 62,366 $54M $862.34 -$5M -1,093 -1.7%
16 XBI 2.56% 360,526 $44M $121.93 +360,526 NEW
17 ASML 2.50% 40,118 $43M $1,069.86 $4M -316 -0.8%
18 BCS 2.50% 1,682,837 $43M $25.45 $8M -12,148 -0.7%
19 APH 2.33% 295,357 $40M $135.39 $3M -1,954 -0.7%
20 GLDM 2.30% 462,316 $39M $85.37 $4M -4,548 -1.0%
21 WMT 2.20% 338,395 $38M $111.64 $3M -2,490 -0.7%
22 JNJ 2.17% 179,318 $37M $206.95 $35M +167,933 +1475.0%
23 UBER 2.13% 446,905 $37M $81.71 -$8M -5,915 -1.3%
24 CCJ 2.04% 381,868 $35M $91.49 $4M +17,476 +4.8%
25 EWY 2.02% 355,461 $35M $97.22 +355,461 NEW
26 CAT 1.99% 59,559 $34M $572.87 $33M +56,478 +1833.1%
27 GEV 1.87% 49,161 $32M $653.57 $2M +520 +1.1%
28 IBN 1.78% 1,022,131 $30M $29.80 -$1M -29,783 -2.8%
29 PG 1.26% 151,084 $22M $143.31 -$2M -1,664 -1.1%
30 BKNG 1.19% 3,807 $20M $5,355.33 -$13M -2,352 -38.2%
31 IBIT 0.52% 179,540 $9M $49.65 -$3M -11,302 -5.9%
32 GOOG 0.37% 20,091 $6M $313.81 $2M +430 +2.2%
33 BRK-B 0.36% 12,116 $6M $502.65 -$577K -1,145 -8.6%
34 TSLA 0.33% 12,748 $6M $449.74 -$57K -272 -2.1%
35 MCD 0.33% 18,588 $6M $305.63 -$83K -380 -2.0%
36 ADSK 0.25% 14,291 $4M $296.01 -$241K +217 +1.5%
37 FICO 0.25% 2,492 $4M $1,690.62 -$9M -6,135 -71.1%
38 BRK-A 0.22% 5 $4M $754,800.00 $3K
39 SCHW 0.19% 31,782 $3M $99.91 -$80K -2,316 -6.8%
40 URTH 0.16% 15,138 $3M $185.77 -$224K -1,583 -9.5%
41 XOM 0.16% 23,209 $3M $120.34 $62K -1,016 -4.2%
42 IXUS 0.16% 31,573 $3M $84.64 -$68K -1,615 -4.9%
43 PANW 0.14% 13,235 $2M $184.20 -$5M -21,217 -61.6%
44 ABBV 0.12% 9,355 $2M $228.49 -$66K -162 -1.7%
45 WFC 0.11% 19,846 $2M $93.20 -$1M -17,239 -46.5%
46 SPY 0.11% 2,663 $2M $683.80 $53K +9 +0.3%
47 CRM 0.10% 6,364 $2M $265.33 $1M +3,846 +152.7%
48 LLY 0.09% 1,419 $2M $1,075.02 -$520K -1,262 -47.1%
49 MU 0.09% 5,323 $2M $285.53 $520K -653 -10.9%
50 CVX 0.08% 9,520 $1M $152.42 -$1M -7,281 -43.3%
51 MMM 0.08% 8,059 $1M $160.10 $35K -33 -0.4%
52 ISTB 0.06% 22,763 $1M $48.75 $73K +1,535 +7.2%
53 RTX 0.06% 5,496 $1M $183.41 $77K -67 -1.2%
54 NFLX 0.06% 10,621 $996K $93.76 -$50M -32,301 -75.3%
55 CLX 0.05% 9,125 $920K $100.83 -$235K -243 -2.6%
56 SCHI 0.05% 38,493 $884K $22.97 $94K +4,252 +12.4%
57 IVV 0.05% 1,260 $863K $685.10 -$107K -190 -13.1%
58 QQQ 0.05% 1,345 $826K $614.48 -$131K -250 -15.7%
59 MRK 0.05% 7,784 $826K $106.11 $48K -1,486 -16.0%
60 IGLB 0.05% 15,941 $804K $50.45 $74K +1,776 +12.5%
61 BMY 0.05% 14,620 $789K $53.94 $125K -95 -0.7%
62 CSCO 0.04% 9,684 $746K $77.03 $29K -788 -7.5%
63 AMD 0.04% 3,422 $733K $214.16 $167K -77 -2.2%
64 TMO 0.04% 1,151 $667K $579.88 $184K +155 +15.6%
65 SYK 0.04% 1,843 $649K $352.37 -$13K +52 +2.9%
66 BAC 0.04% 11,118 $611K $55.00 -$35K -1,420 -11.3%
67 HSBC 0.04% 7,696 $605K $78.67 $83K +338 +4.6%
68 ADP 0.03% 2,309 $598K $258.94 -$129K -169 -6.8%
69 ORCL 0.03% 3,031 $591K $194.91 -$488K -805 -21.0%
70 BSX 0.03% 6,023 $574K $95.35 -$55K -423 -6.6%
71 C 0.03% 4,740 $553K $116.69 $56K -154 -3.1%
72 ACN 0.03% 2,059 $552K $268.30 -$60K -425 -17.1%
73 NTES 0.03% 4,000 $550K $137.62 -$70K -85 -2.1%
74 UNP 0.03% 2,342 $542K $231.32 +2,342 NEW
75 CL 0.03% 6,618 $523K $79.02 -$13K -81 -1.2%
76 VIG 0.03% 2,361 $519K $219.78 +2,361 NEW
77 INTU 0.03% 779 $516K $662.45 $3K +27 +3.6%
78 VTI 0.03% 1,538 $516K $335.27 -$26K -114 -6.9%
79 ITOT 0.03% 3,405 $506K $148.69 $10K
80 CW 0.03% 917 $506K $551.27 $23K +29 +3.3%
81 MUFG 0.03% 30,205 $479K $15.86 +30,205 NEW
82 ABT 0.03% 3,654 $458K $125.29 -$15K +123 +3.5%
83 XYL 0.03% 3,305 $450K $136.18 -$39K -8 -0.2%
84 TMUS 0.03% 2,162 $439K $203.04 -$43M -178,159 -98.8%
85 HUT.TO 0.02% 8,986 $413K $45.94 +8,986 NEW
86 TT 0.02% 947 $369K $389.20 -$33M -77,663 -98.8%
87 IWF 0.02% 766 $363K $473.30 $4K
88 COIN 0.02% 1,551 $351K $226.14 -$173K -2 -0.1%
89 T 0.02% 13,914 $346K $24.84 -$51K -129 -0.9%
90 ADI 0.02% 1,248 $338K $271.20 $41K +38 +3.1%
91 HD 0.02% 962 $331K $344.10 -$79K -49 -4.8%
92 DAL 0.02% 4,768 $331K $69.40 $73K +223 +4.9%
93 SHOP 0.02% 2,040 $328K $160.97 -$60K -576 -22.0%
94 CMCSA 0.02% 10,912 $326K $29.89 -$26K -311 -2.8%
95 SJM 0.02% 3,330 $326K $97.81 -$60K -226 -6.4%
96 NSC 0.02% 1,117 $322K $288.72 -$32K -64 -5.4%
97 VOO 0.02% 513 $322K $627.13 -$326K -544 -51.5%
98 TXN 0.02% 1,842 $320K $173.49 $25K +237 +14.8%
99 DIA 0.02% 640 $308K $481.61 $11K
100 PEP 0.02% 2,116 $307K $144.96 -$20K -213 -9.2%

New Positions

SymbolValue% Port
XBI $44M 2.56%
EWY $35M 2.02%
UNP $542K 0.03%
VIG $519K 0.03%
MUFG $479K 0.03%
HUT.TO $413K 0.02%
AXP $302K 0.02%
ISRG $288K 0.02%
EXPE $269K 0.02%
LRCX $261K 0.02%
PH $257K 0.01%
OMDA $251K 0.01%
TJX $240K 0.01%
GILD $224K 0.01%
NEE $224K 0.01%

Sold Out Positions

SymbolValue% Port
DKNG —%
SPOT —%
APO —%
KO —%
TDY —%
LNG —%
IT —%
SYY —%
ANET —%
DDOG —%
CRWD —%
FTNT —%
MELI —%
PACB —%
IDXX —%
View SEC EDGAR Filings for Main Street Research LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms