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Asset Manager ← All Institutions

Main Street Research LLC

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

Q3 2025 · Filed 2025-11-13
Market Value
$1.8B
+15.5%
Holdings
134
+9
New Purchases
20
Added To
69
Closed
6
Reduced
20
Top 10 Concentration
43.4%
Turnover
19.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
ISCF 3.38% 0.00% +3.38% $61M
APH 2.02% 0.00% +2.02% $37M
BCS 1.93% 0.00% +1.93% $35M
MSFT 4.79% 2.99% +1.80% $87M
CCJ 1.68% 0.00% +1.68% $31M
APO 1.59% 0.00% +1.59% $29M
TSM 3.39% 1.98% +1.41% $62M
ASML 2.15% 0.89% +1.26% $39M
AAPL 4.92% 3.84% +1.08% $89M
HOOD 4.25% 3.19% +1.05% $77M
GEV 1.65% 0.93% +0.72% $30M
IBIT 0.68% 0.00% +0.68% $12M
GOOGL 4.01% 3.33% +0.68% $73M
META 3.60% 2.99% +0.62% $65M
PLTR 4.57% 4.00% +0.57% $83M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
BRK-B 0.37% 3.59% -3.22% $7M
PG 1.29% 4.12% -2.83% $23M
BSX 0.03% 2.60% -2.57% $629K
SAP 0.00% 2.33% -2.33% $0
ISRG 0.00% 2.06% -2.06% $0
CHKP 0.00% 1.92% -1.92% $0
BABA 0.00% 1.66% -1.66% $0
NFLX 2.83% 3.63% -0.79% $51M
COST 3.23% 3.96% -0.72% $59M
MELI 2.04% 2.61% -0.58% $37M
V 3.33% 3.89% -0.57% $60M
FICO 0.71% 1.25% -0.54% $13M
SPOT 1.94% 2.43% -0.49% $35M
IBN 1.75% 2.22% -0.47% $32M
TMUS 2.37% 2.72% -0.35% $43M

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 58 $1.2B 66.2%
Large Cap 66 $546M 30.0%
Mid Cap 7 $7M 0.4%
Small Cap 3 $62M 3.4%

Portfolio Analytics

Avg Market Cap
$483.0B
Median Market Cap
$138.8B
Avg P/E
35.1
Median P/E
24.2
Avg Dividend Yield
0.01%
Avg Beta
1.07
# Stocks
111
# ETFs / Funds
23

Top Holdings (134 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 NVDA 6.17% 601,558 $112M $186.58 $18M +6,382 +1.1%
2 AAPL 4.92% 351,315 $89M $254.63 $29M +56,921 +19.3%
3 MSFT 4.79% 168,164 $87M $517.95 $40M +73,462 +77.6%
4 PLTR 4.57% 455,493 $83M $182.42 $20M -5,939 -1.3%
5 HOOD 4.25% 539,305 $77M $143.18 $27M +2,569 +0.5%
6 GOOGL 4.01% 299,844 $73M $243.10 $20M +2,499 +0.8%
7 JPM 3.90% 224,723 $71M $315.43 $6M +437 +0.2%
8 AVGO 3.78% 208,426 $69M $329.91 $18M +23,801 +12.9%
9 META 3.60% 89,183 $65M $734.38 $19M +25,536 +40.1%
10 TSM 3.39% 220,871 $62M $279.29 $31M +83,894 +61.2%
11 ISCF 3.38% 1,495,000 $61M $41.13 — +1,495,000 — NEW
12 V 3.33% 177,093 $60M $341.38 -$761K +4,673 +2.7%
13 COST 3.23% 63,459 $59M $925.63 -$3M +610 +1.0%
14 AMZN 3.18% 262,934 $58M $219.57 $9M +38,770 +17.3%
15 MCK 2.93% 68,892 $53M $772.54 $2M -286 -0.4%
16 NFLX 2.83% 42,922 $51M $1,198.92 -$6M +332 +0.8%
17 UBER 2.44% 452,820 $44M $97.97 $2M +3,485 +0.8%
18 TMUS 2.37% 180,321 $43M $239.38 $361K +667 +0.4%
19 ASML 2.15% 40,434 $39M $968.09 $25M +22,937 +131.1%
20 MELI 2.04% 15,833 $37M $2,336.94 -$4M +105 +0.7%
21 APH 2.02% 297,311 $37M $123.75 — +297,311 — NEW
22 GLDM 1.96% 466,864 $36M $76.45 $6M +18,377 +4.1%
23 SPOT 1.94% 50,422 $35M $698.00 -$3M +603 +1.2%
24 WMT 1.93% 340,885 $35M $103.06 $2M +5,139 +1.5%
25 BCS 1.93% 1,694,985 $35M $20.67 — +1,694,985 — NEW
26 LIN 1.92% 73,368 $35M $475.00 $845K +890 +1.2%
27 BKNG 1.83% 6,159 $33M $5,399.27 $6M +1,491 +31.9%
28 IBN 1.75% 1,051,914 $32M $30.23 -$3M +11,884 +1.1%
29 CCJ 1.68% 364,392 $31M $83.86 — +364,392 — NEW
30 GEV 1.65% 48,641 $30M $614.90 $15M +21,037 +76.2%
31 APO 1.59% 217,067 $29M $133.27 — +217,067 — NEW
32 PG 1.29% 152,748 $23M $153.65 -$41M -254,164 -62.5%
33 FICO 0.71% 8,627 $13M $1,496.53 -$7M -2,097 -19.6%
34 IBIT 0.68% 190,842 $12M $65.00 — +190,842 — NEW
35 PANW 0.39% 34,452 $7M $203.62 $4M +21,306 +162.1%
36 BRK-B 0.37% 13,261 $7M $502.74 -$50M -102,920 -88.6%
37 TSLA 0.32% 13,020 $6M $444.74 $2M +1,220 +10.3%
38 MCD 0.32% 18,968 $6M $303.90 $221K -5 -0.0%
39 ANET 0.28% 34,884 $5M $145.71 — +34,884 — NEW
40 GOOG 0.26% 19,661 $5M $243.55 $1M -459 -2.3%
41 ADSK 0.25% 14,074 $4M $317.67 -$66K -580 -4.0%
42 BRK-A 0.21% 5 $4M $754,200.00 $127K — —
43 SCHW 0.18% 34,098 $3M $95.47 $188K +481 +1.4%
44 WFC 0.17% 37,085 $3M $83.82 $2M +18,703 +101.8%
45 URTH 0.17% 16,721 $3M $181.56 -$130K -1,967 -10.5%
46 IXUS 0.15% 33,188 $3M $82.58 $770K +7,703 +30.2%
47 XONA.DE 0.15% 24,225 $3M $112.75 $361K +2,241 +10.2%
48 CVX 0.14% 16,801 $3M $155.29 $1M +7,267 +76.2%
49 ABBV 0.12% 9,517 $2M $231.55 $514K +415 +4.6%
50 JNJ 0.12% 11,385 $2M $185.42 $385K +85 +0.8%
51 LLY 0.11% 2,681 $2M $763.09 -$42K +2 +0.1%
52 SPY 0.10% 2,654 $2M $666.29 $113K -17 -0.6%
53 CAT 0.08% 3,081 $1M $477.15 $722K +1,155 +60.0%
54 MMM 0.07% 8,092 $1M $155.18 $29K +36 +0.5%
55 CLX 0.06% 9,368 $1M $123.30 $35K +40 +0.4%
56 ORCL 0.06% 3,836 $1M $281.24 $781K +2,473 +181.4%
57 ISTB 0.06% 21,228 $1M $48.84 $114K +2,262 +11.9%
58 MU 0.06% 5,976 $1000K $167.32 $269K +47 +0.8%
59 IVV 0.05% 1,450 $970K $669.30 $224K +248 +20.6%
60 QQQ 0.05% 1,595 $958K $600.55 $384K +556 +53.5%
61 RTX 0.05% 5,563 $931K $167.34 $276K +1,078 +24.0%
62 SCHI 0.04% 34,241 $790K $23.08 $198K +8,232 +31.6%
63 MRK 0.04% 9,270 $778K $83.93 $61K +302 +3.4%
64 IGLB 0.04% 14,165 $730K $51.54 $255K +4,711 +49.8%
65 ADP 0.04% 2,478 $727K $293.50 -$41K — —
66 CSCO 0.04% 10,472 $716K $68.42 -$17K -105 -1.0%
67 BMY 0.04% 14,715 $664K $45.10 -$13K +108 +0.7%
68 SYK 0.04% 1,791 $662K $369.67 -$68K -50 -2.7%
69 VOO 0.04% 1,057 $647K $612.33 $310K +466 +78.8%
70 BAC 0.04% 12,538 $647K $51.59 $171K +2,486 +24.7%
71 BSX 0.03% 6,446 $629K $97.63 -$40M -374,847 -98.3%
72 NTES 0.03% 4,085 $621K $151.99 $83K +85 +2.1%
73 ACN 0.03% 2,484 $613K $246.60 -$167K -125 -4.8%
74 CRM 0.03% 2,518 $597K $237.00 $146K +866 +52.4%
75 AMD 0.03% 3,499 $566K $161.79 -$31K -706 -16.8%
76 IT 0.03% 2,153 $566K $262.87 — +2,153 — NEW
77 VTI 0.03% 1,652 $542K $328.17 -$70K -355 -17.7%
78 CL 0.03% 6,699 $536K $79.94 -$73K — —
79 COIN 0.03% 1,553 $524K $337.49 -$19K +3 +0.2%
80 HSBC 0.03% 7,358 $522K $70.98 $97K +361 +5.2%
81 INTU 0.03% 752 $513K $682.80 -$50K +37 +5.2%
82 C 0.03% 4,894 $497K $101.50 $104K +276 +6.0%
83 ITOT 0.03% 3,405 $496K $145.65 $36K — —
84 XYL 0.03% 3,313 $489K $147.50 $68K +63 +1.9%
85 TMO 0.03% 996 $483K $485.02 $110K +78 +8.5%
86 CW 0.03% 888 $482K $542.94 $48K — —
87 ABT 0.03% 3,531 $473K $133.94 $2K +67 +1.9%
88 ADBE 0.02% 1,270 $448K $352.75 $144K +484 +61.6%
89 HD 0.02% 1,011 $410K $405.19 $39K — —
90 T 0.02% 14,043 $397K $28.24 $42K +1,789 +14.6%
91 CRWD 0.02% 798 $391K $490.38 — +798 — NEW
92 SHOP 0.02% 2,616 $389K $148.61 $158K +616 +30.8%
93 SJM 0.02% 3,556 $386K $108.60 $39K +17 +0.5%
94 SCHX 0.02% 14,531 $383K $26.34 $116K +3,633 +33.3%
95 IBM 0.02% 1,295 $365K $282.16 -$41K -82 -6.0%
96 IWF 0.02% 766 $359K $468.41 $34K — —
97 NSC 0.02% 1,181 $355K $300.41 $52K — —
98 CMCSA 0.02% 11,223 $353K $31.42 -$18K +851 +8.2%
99 FTNT 0.02% 4,190 $352K $84.08 — +4,190 — NEW
100 HIMS 0.02% 6,200 $352K $56.72 $43K — —

New Positions

SymbolValue% Port
ISCF $61M 3.38%
APH $37M 2.02%
BCS $35M 1.93%
CCJ $31M 1.68%
APO $29M 1.59%
IBIT $12M 0.68%
ANET $5M 0.28%
IT $566K 0.03%
CRWD $391K 0.02%
FTNT $352K 0.02%
EBAY $325K 0.02%
IDXX $263K 0.01%
KLAC $253K 0.01%
INTC $240K 0.01%
TDY $212K 0.01%

Sold Out Positions

SymbolValue% Port
NOW — —%
BABA — —%
RELX — —%
SAP — —%
ISRG — —%
CHKP — —%
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