Choate Investment Advisors

RIA/Wealth

Choate Investment Advisors is a RIA/Wealth based in Boston, MA led by Alexander Lowell Thorndike, reporting $8.9B in AUM as of Q3 2025 with 58% ETF concentration, 63% concentrated in top 10 holdings, and 38% allocation to IVV.

PresidentAlexander Lowell Thorndike

Portfolio Value: $4.6B
Positions: 422
Top Holding: IVV at 38.11%
Last Reported: Q3 2025

AddressTwo International Place, Suite 3000, Boston, MA, 02110, United States

Top Holdings

Largest long holdings in Choate Investment Advisors's portfolio (63.4% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 iShares Core S&P 500 ETF IVV	ETF ETF	$1.7B	38.11%	-$36.5M Sold	— 2.6M shares	≤ Q2 2013 Held for 12y 5m+
2 iShares Intermediate Government/Credit Bond GVI	ETF ETF	$202.3M	4.42%	+$202.3M New	— 1.9M shares	Q3 2025 Held for 2 months
3 Microsoft MSFT	Software - Infrastructure Technology	$168.3M	3.68%	+$2.8M Bought	0.00% 324.9K shares	≤ Q2 2013 Held for 12y 5m+
4 Apple AAPL	Consumer Electronics Technology	$160.5M	3.51%	+$675.0K Bought	0.00% 630.3K shares	≤ Q2 2013 Held for 12y 5m+
5 SPYX SPDR S&P 500 Fossil Fuel Free ETF SPYX	ETF ETF	$134.0M	2.93%	-$4.1M Sold	— 2.4M shares	Q4 2017 Held for 7y 11m
6 iShares National Muni Bond MUB	ETF ETF	$130.2M	2.85%	-$8.8M Sold	— 1.2M shares	Q2 2022 Held for 3y 5m
7 Nvidia NVDA	Semiconductors Technology	$118.9M	2.60%	-$288.6K Sold	0.00% 637.2K shares	≤ Q2 2013 Held for 12y 5m+
8 Amazon AMZN	Specialty Retail Consumer Cyclical	$103.1M	2.25%	+$1.1M Bought	0.00% 469.4K shares	≤ Q2 2013 Held for 12y 5m+
9 Alphabet Inc. GOOGL	Internet Content & Information Communication Services	$75.7M	1.66%	-$1.7M Sold	0.00% 311.6K shares	≤ Q2 2013 Held for 12y 5m+
10 Vanguard S&P 500 ETF VOO	ETF ETF	$63.6M	1.39%	+$1.9M Bought	— 103.9K shares	≤ Q2 2013 Held for 12y 5m+

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Choate Investment Advisors's latest filing

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Market Value

$4.6B

Prior: $4.4B

Q/Q Change

+4.62%

+$202.2M

Net Flows % of MV

-2.03%

Turnover Ratio

4.68%

New Purchases

11 stocks

$205.9M

Added To

152 stocks

+$94.2M

Sold Out Of

76 stocks

$7.3M

Reduced Holdings

148 stocks

-$385.7M

Increased Positions

Position	Shares Δ	Change
1 iShares Intermediate Government/Credit Bond GVI	New	0 → 1.9M +$202.3M
2 VTES Vanguard Short-Term Tax-Exempt Bond VTES	New	0 → 17.7K +$1.8M
3 Corteva CTVA	New	0 → 4.4K +$296.4K
4 Bank of New York Mellon BK	New	0 → 2.2K +$240.3K
5 Royal Caribbean Group RCL	New	0 → 708.0 +$229.1K

Decreased Positions

Position	Shares Δ	Change
1 FXE Invesco CurrencyShares Euro Currency Trust FXE	Sold	5.5K → 0 −$600.8K
2 TTE TotalEnergies TTE	Sold	5.9K → 0 −$359.7K
3 Charter Communications, Inc. CHTR	Sold	684.0 → 0 −$279.6K
4 Vanguard Mid-Cap Growth VOT	Sold	870.0 → 0 −$247.4K
5 Equinix, Inc. EQIX	Sold	299.0 → 0 −$237.8K

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Analytics

Portfolio insights and performance metrics for Choate Investment Advisors

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Sector Allocation

ETF

57.50%

Technology

13.50%

Financial Services

6.30%

Consumer Cyclical

5.40%

Healthcare

4.50%

Communication Services

3.80%

Industrials

2.90%

Consumer Defensive

2.50%

Energy

1.00%

Basic Materials

0.80%

Utilities

0.30%

Real Estate

0.10%

Market Cap Distribution

Mega Cap (> $200B)

28.25%

Large Cap ($10B - $200B)

11.66%

Mid Cap ($2B - $10B)

0.35%

Small Cap ($300M - $2B)

0.10%

Nano Cap (< $50M)

0.02%

N/A (ETF or Unknown)

59.63%

Portfolio Concentration

Top 10 Holdings %

63.39%

Top 20 Holdings %

73.25%

Top 50 Holdings %

86.0%

Top 100 Holdings %

93.05%