Coston, Mc Isaac & Partners Portfolio Holdings

Coston, Mc Isaac & Partners

  • $420 Million
  • Q3 2025

Coston, Mc Isaac & Partners has filed its 13F form on November 05, 2025 for Q3 2025 where it was disclosed a total value porftolio of $420 Million distributed in 1039 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Vanguard Dividend Appreciation with a value of $21.7M, Schwab Us Treasury Money Investor with a value of $18.6M, Dfa Global Equity I with a value of $17.5M, Vanguard Total Stock Market Et with a value of $16.2M, and Berkshire Hathaway Inc Class B with a value of $15.2M.

Examining the 13F form we can see an increase of $127M in the current position value, from $293M to 420M.

Coston, Mc Isaac & Partners is based out at Bar Harbor, ME

Below you can find more details about Coston, Mc Isaac & Partners portfolio as well as his latest detailed transactions.

Portfolio value $420 Million
ETFs: $111 Million
Consumer Defensive: $72.1 Million
Technology: $25.8 Million
Consumer Cyclical: $25.8 Million
Utilities: $24 Million
Financial Services: $21.6 Million
Healthcare: $15.4 Million
Communication Services: $7.43 Million
Other: $11.3 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
Schwab Markettrack Balanced
-
$344,000 0.08% of portfolio
-
Q3 2025 Reduced 20.14%
$0
$349,000 0.08% of portfolio
4,304
Q3 2025 Reduced 1.19%
$220B
$325,000 0.08% of portfolio
2,428
Q3 2025 Added 0.96%
American Funds Amcap A
-
$330,000 0.08% of portfolio
-
Q2 2025 Added 3.68%
$41.4B
$351,000 0.08% of portfolio
3,935
Q3 2025 Added 2.47%
Vanguard Short Term Bond Index Adm
-
$316,000 0.08% of portfolio
-
Q3 2025 Added 8.41%
-
$337,000 0.08% of portfolio
-
Q3 2025 Added 1.07%
$45.6B
$315,000 0.08% of portfolio
4,679
Q3 2025 Reduced 21.98%
American Funds Invmt CO Of Amer A
-
$352,000 0.08% of portfolio
-
Q3 2025 Added 0.19%
$0
$337,000 0.08% of portfolio
13,415
Q3 2025 Added 0.96%
$907B
$308,000 0.07% of portfolio
976
Q3 2025 Added 2.2%
$416B
$283,000 0.07% of portfolio
306
Q4 2024 Reduced 6.99%
$125B
$314,000 0.07% of portfolio
885
Q2 2025 Added 683.19%
Dfa Us Core Equity 1 I
-
$287,000 0.07% of portfolio
-
Q3 2025 Added 0.25%
T. Rowe Price All Cap Opportunities Fund
-
$280,000 0.07% of portfolio
-
Q4 2024 Added 8.89%
$0
$276,000 0.07% of portfolio
415
Q3 2025 Added 19.94%
Vanguard Total Intl Bd Idx Admiral
-
$275,000 0.07% of portfolio
-
Q3 2025 Added 0.58%
$0
$306,000 0.07% of portfolio
7,266
Q3 2025 Added 15.92%
Dfa Intermediate Term Extnd Qlty I
-
$286,000 0.07% of portfolio
-
Q3 2025 Added 0.88%
T. Rowe Price Comm & Tech Investor
-
$245,000 0.06% of portfolio
-
Q1 2025 Reduced 9.43%
$0
$254,000 0.06% of portfolio
3,683
Q3 2025 Added 0.6%
$0
$270,000 0.06% of portfolio
5,864
Q3 2025 Added 2.18%
$5.51B
$251,000 0.06% of portfolio
6,844
Q3 2025 New
Dfa International Small Cap Value I
-
$239,000 0.06% of portfolio
-
Q3 2025 Added 0.79%
Dfa Global Allocation 25/75 I
-
$256,000 0.06% of portfolio
-
Q3 2025 Reduced 9.04%
$19.6B
$239,000 0.06% of portfolio
457
Q2 2022 New
American Funds Smallcap World A
-
$272,000 0.06% of portfolio
-
Q2 2025 Added 0.03%
Parnassus Core Equity Investor
-
$252,000 0.06% of portfolio
-
Q2 2025 Reduced 9.63%
$11.8B
$245,000 0.06% of portfolio
9,953
Q3 2025 Added 262.06%
-
$253,000 0.06% of portfolio
-
Q3 2025 Added 3.23%
$0
$233,000 0.06% of portfolio
8,562
Q3 2025 Added 1.19%
Fidelity Advisor New Insights A
-
$264,000 0.06% of portfolio
-
Q1 2025 Added 1.25%
Dfa Us Large Cap Value I
-
$235,000 0.06% of portfolio
-
Q3 2025 Reduced 0.11%
T. Rowe Price Capital Appreciation
-
$252,000 0.06% of portfolio
-
Q4 2024 Added 2.07%
Aqr International Multi Style R6
-
$211,000 0.05% of portfolio
-
Q3 2025 Reduced 4.89%
Vanguard Total Stock Mkt Idx Adm
-
$190,000 0.05% of portfolio
-
Q3 2025 Added 0.17%
Vanguard Equity Income Inv
-
$227,000 0.05% of portfolio
-
Q4 2024 Added 7.03%
$0
$190,000 0.05% of portfolio
318
Q3 2025 Reduced 16.97%
Lam Resh Corp
-
$225,000 0.05% of portfolio
-
Q3 2025 Added 0.06%
$0
$226,000 0.05% of portfolio
1,623
Q4 2023 Reduced 3.91%
$153B
$220,000 0.05% of portfolio
893
Q3 2025 Added 71.73%
Dimensional World Equityetf
-
$192,000 0.05% of portfolio
-
Q3 2025 Reduced 3.68%
Vanguard Tax Managed Capital App Adm
-
$204,000 0.05% of portfolio
-
Q2 2025 Added 0.34%
American Funds Income Fund Of Amer A
-
$221,000 0.05% of portfolio
-
Q3 2025 Reduced 7.72%
T. Rowe Price Growth Stock
-
$203,000 0.05% of portfolio
-
Q4 2024 Added 6.44%
$48.2B
$203,000 0.05% of portfolio
414
Q3 2025 Added 64.29%
$156B
$190,000 0.05% of portfolio
540
Q2 2023 Reduced 1.28%
$34.2B
$191,000 0.05% of portfolio
232
Q2 2023 Reduced 6.07%
$143B
$204,000 0.05% of portfolio
620
Q3 2025 Added 2.31%

Summary

  • Portfolio
  • No. of Stocks 1,039
  • Current Value $420 Million
  • Prior Value $293 Million
  • Filing
  • Period Q3 2025
  • Filing Date November 05, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 58 stocks
  • Additional Purchases 258 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 91 stocks
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