Great Diamond Partners, LLC

RIA/Wealth

Great Diamond Partners, LLC is a RIA/Wealth based in Portland, ME led by Steven Edward Tenney, reporting $613.4M in AUM as of Q3 2025 with 51% ETF concentration.

CEOSteven Edward Tenney

Portfolio Value: $515.6M
Positions: 225
Top Holding: IEFA at 6.67%
Last Reported: Q3 2025

Address22 Monument Square, Suite 300, Portland, ME, 04101, United States

Top Holdings

Largest long holdings in Great Diamond Partners, LLC's portfolio (35.5% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 iShares Core MSCI EAFE ETF IEFA	ETF ETF	$34.4M	6.67%	+$9.7M Bought	— 394.0K shares	Q4 2022 Held for 2y 11m
2 iShares Russell 3000 IWV	ETF ETF	$29.0M	5.63%	-$628.3K Sold	— 76.6K shares	Q4 2019 Held for 5y 11m
3 Vanguard Total Stock Market VTI	ETF ETF	$29.0M	5.63%	+$874.2K Bought	— 88.5K shares	Q4 2019 Held for 5y 11m
4 SPDR S&P 500 ETF Trust SPY	ETF ETF	$15.7M	3.04%	+$219.2K Bought	— 23.5K shares	Q4 2019 Held for 5y 11m
5 Microsoft MSFT	Software - Infrastructure Technology	$15.5M	3.00%	-$274.5K Sold	0.00% 29.9K shares	Q4 2019 Held for 5y 11m
6 Vanguard Growth VUG	ETF ETF	$15.0M	2.91%	-$1.2M Sold	— 31.3K shares	Q2 2023 Held for 2y 5m
7 Vanguard Extended Market VXF	ETF ETF	$13.0M	2.52%	+$206.2K Bought	— 62.2K shares	Q4 2019 Held for 5y 11m
8 Procter & Gamble PG	Household & Personal Products Consumer Defensive	$12.2M	2.37%	-$17.7K Sold	0.00% 79.6K shares	Q4 2019 Held for 5y 11m
9 Idexx Laboratories IDXX	Medical - Diagnostics & Research Healthcare	$9.6M	1.86%	-$90.1K Sold	0.02% 15.0K shares	Q4 2019 Held for 5y 11m
10 Simplify Aggregate Bond AGGH	ETF ETF	$9.5M	1.85%	+$836.9K Bought	— 461.1K shares	Q2 2025 Held for 5 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Great Diamond Partners, LLC's latest filing

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Market Value

$515.6M

Prior: $473.2M

Q/Q Change

+8.95%

+$42.4M

Net Flows % of MV

+1.21%

Turnover Ratio

6.02%

New Purchases

9 stocks

$11.1M

Added To

86 stocks

+$19.4M

Sold Out Of

17 stocks

$15.2M

Reduced Holdings

101 stocks

-$9.1M

Increased Positions

Position	Shares Δ	Change
1 PYLD PIMCO Multi Sector Bond Active PYLD	New	0 → 243.3K +$6.5M
2 Tapestry, Inc. TPR	New	0 → 21.2K +$2.4M
3 IBDU iShares iBonds Dec 2029 Term Corporate ETF IBDU	New	0 → 22.7K +$533.3K
4 iShares iBonds Dec 2027 Term Treasury IBTH	New	0 → 15.3K +$343.5K
5 IBTJ iShares iBonds Dec 2029 Term Treasury IBTJ	New	0 → 14.0K +$307.7K

Decreased Positions

Position	Shares Δ	Change
1 First Trust Global Tactical Commodity Strategy Fund FTGC	Sold	317.1K → 0 −$7.8M
2 Global X MLP & Energy Infrastructure MLPX	Sold	33.1K → 0 −$2.1M
3 Apollo Global Management APO	Sold	12.2K → 0 −$1.7M
4 ERIC Ericsson ERIC	Sold	76.5K → 0 −$649.1K
5 Colgate-Palmolive CL	Sold	3.9K → 0 −$355.4K

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Analytics

Portfolio insights and performance metrics for Great Diamond Partners, LLC

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Sector Allocation

ETF

50.60%

Technology

12.70%

Financial Services

6.50%

Industrials

6.30%

Healthcare

6.10%

Consumer Cyclical

4.50%

Communication Services

3.90%

Consumer Defensive

3.30%

Energy

2.00%

Basic Materials

0.90%

Real Estate

0.80%

Utilities

0.70%

Market Cap Distribution

Mega Cap (> $200B)

23.60%

Large Cap ($10B - $200B)

23.30%

Mid Cap ($2B - $10B)

0.40%

N/A (ETF or Unknown)

52.70%

Portfolio Concentration

Top 10 Holdings %

35.49%

Top 20 Holdings %

48.09%

Top 50 Holdings %

68.14%

Top 100 Holdings %

87.33%