Capstone Triton Financial Group, LLC

RIA/Wealth

Capstone Triton Financial Group, LLC is a RIA/Wealth based in Marlborough, MA led by Andrew Ellis Oster, reporting $293.0M in AUM as of Q3 2025 with 37% Technology concentration.

PresidentAndrew Ellis Oster

Portfolio Value: $149.2M
Positions: 90
Top Holding: AAPL at 8.53%
Last Reported: Q3 2025

Address61 Florence Street, Marlborough, MA, 01752, United States

Top Holdings

Largest long holdings in Capstone Triton Financial Group, LLC's portfolio (35.5% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Apple AAPL	Consumer Electronics Technology	$12.7M	8.53%	-$15.8K Sold	0.00% 50.0K shares	Q2 2025 Held for 5 months
2 Nvidia NVDA	Semiconductors Technology	$7.1M	4.73%	-$70.9K Sold	0.00% 37.8K shares	Q2 2025 Held for 5 months
3 Walmart WMT	Discount Stores Consumer Defensive	$5.4M	3.64%	-$27.7K Sold	0.00% 52.7K shares	Q2 2025 Held for 5 months
4 Amazon AMZN	Specialty Retail Consumer Cyclical	$5.4M	3.64%	+$7.9K Bought	0.00% 24.7K shares	Q2 2025 Held for 5 months
5 Microsoft MSFT	Software - Infrastructure Technology	$5.3M	3.54%	+$2.6K Bought	0.00% 10.2K shares	Q2 2025 Held for 5 months
6 Alphabet Inc. GOOG	Internet Content & Information Communication Services	$4.9M	3.31%	-$387.7K Sold	0.00% 20.3K shares	Q3 2025 Held for 2 months
7 Costco Wholesale COST	Discount Stores Consumer Defensive	$3.7M	2.50%	+$36.1K Bought	0.00% 4.0K shares	Q2 2025 Held for 5 months
8 CrowdStrike Holdings, Inc. CRWD	Software - Infrastructure Technology	$2.9M	1.94%	-$18.1K Sold	0.00% 5.9K shares	Q2 2025 Held for 5 months
9 Berkshire Hathaway BRK.B	Insurance - Diversified Financial Services	$2.7M	1.84%	-$44.2K Sold	0.00% 5.5K shares	Q2 2025 Held for 5 months
10 Coca-Cola KO	Beverages - Non-Alcoholic Consumer Defensive	$2.7M	1.83%	+$25.2K Bought	0.00% 41.2K shares	Q2 2025 Held for 5 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Capstone Triton Financial Group, LLC's latest filing

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Market Value

$149.2M

Prior: $137.8M

Q/Q Change

+8.31%

+$11.4M

Net Flows % of MV

-4.61%

Turnover Ratio

2.04%

New Purchases

0 stocks

Added To

50 stocks

+$1.8M

Sold Out Of

4 stocks

$2.0M

Reduced Holdings

29 stocks

-$6.7M

Increased Positions

Position	Shares Δ	Change
1 Innovator U.S. Equity Power Buffer ETF PAUG	+29.4%	8.3K → 10.7K +$103.6K
2 Accenture ACN	+14.52%	3.6K → 4.1K +$128.7K
3 Public Storage PSA	+13.94%	2.0K → 2.2K +$79.1K
4 Williams Companies WMB	+13.29%	12.4K → 14.0K +$104.0K
5 Invesco QQQ Trust QQQ	+9.34%	407.0 → 445.0 +$22.8K

Decreased Positions

Position	Shares Δ	Change
1 OGE Energy OGE	Sold	19.0K → 0 −$844.9K
2 Conagra Brands CAG	Sold	33.7K → 0 −$689.9K
3 VanEck Preferred Securities ex Financials PFXF	Sold	24.2K → 0 −$235.0K
4 BlackRock Short Duration Bond NEAR	Sold	3.9K → 0 −$201.1K
5 Alphabet Inc. GOOGL	-94.62%	21.4K → 1.2K −$4.9M

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Analytics

Portfolio insights and performance metrics for Capstone Triton Financial Group, LLC

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Sector Allocation

Technology

36.50%

ETF

14.20%

Consumer Defensive

11.00%

Financial Services

8.20%

Industrials

6.90%

Communication Services

6.40%

Consumer Cyclical

4.70%

Healthcare

4.40%

Basic Materials

2.10%

Real Estate

1.90%

Energy

0.60%

Market Cap Distribution

Mega Cap (> $200B)

51.88%

Large Cap ($10B - $200B)

27.99%

Mid Cap ($2B - $10B)

1.24%

Small Cap ($300M - $2B)

0.43%

Nano Cap (< $50M)

1.22%

N/A (ETF or Unknown)

17.24%

Portfolio Concentration

Top 10 Holdings %

35.49%

Top 20 Holdings %

51.82%

Top 50 Holdings %

84.05%

Top 100 Holdings %

100.0%