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
$756M
$0 0.0% of portfolio
1
Q2 2025 New
$75.3M
$0 0.0% of portfolio
5
Q2 2025 New
$118B
$7,000 0.0% of portfolio
34
Q3 2025 Reduced 74.63%
$198B
$5,000 0.0% of portfolio
1
Q2 2022 New
$3.9B
$0 0.0% of portfolio
8
Q2 2025 New
$34.4B
$15,000 0.0% of portfolio
64
Q2 2022 New
-
$0 0.0% of portfolio
-
Q3 2025 New
$1.66B
$0 0.0% of portfolio
39
Q2 2025 New
$48.6B
$11,000 0.0% of portfolio
72
Q2 2022 New
$19.2B
$14,000 0.0% of portfolio
94
Q2 2022 New
China Capital Holdings C
-
$0 0.0% of portfolio
-
Q2 2025 New
$5.1B
$17,000 0.0% of portfolio
164
Q3 2025 Added 0.61%
$25.1B
$1,000 0.0% of portfolio
9
Q3 2025 New
$25.2B
$1,000 0.0% of portfolio
31
Q3 2025 New
$2.67B
$7,000 0.0% of portfolio
277
Q3 2025 Added 1.84%
$1.12B
$7,000 0.0% of portfolio
60
Q2 2025 Added 900.0%
$9.04B
$6,000 0.0% of portfolio
280
Q4 2024 Reduced 18.13%
$5.29B
$0 0.0% of portfolio
10
Q3 2025 New
$430B
$17,000 0.0% of portfolio
348
Q4 2024 Added 25.63%
$48.8B
$6,000 0.0% of portfolio
50
Q2 2022 New
$10.4B
$3,000 0.0% of portfolio
40
Q2 2022 New
$10.6B
$1,000 0.0% of portfolio
12
Q2 2022 New
$11.9B
$3,000 0.0% of portfolio
97
Q2 2022 New
Ambiq Micro Inc
-
$0 0.0% of portfolio
-
Q3 2025 New
$61.8B
$11,000 0.0% of portfolio
100
Q1 2025 New
$582M
$1,000 0.0% of portfolio
200
Q3 2023 New
Angel Studios Inc Class A
-
$0 0.0% of portfolio
-
Q3 2025 New
Angi Inc
-
$0 0.0% of portfolio
-
Q2 2025 New
$198B
$11,000 0.0% of portfolio
58
Q2 2022 New
Arista Networks Inc
-
$6,000 0.0% of portfolio
-
Q3 2025 Reduced 56.25%
$24.3B
$12,000 0.0% of portfolio
73
Q1 2024 Reduced 23.96%
$163M
$0 0.0% of portfolio
46
Q2 2025 New
$53.1B
$8,000 0.0% of portfolio
27
Q3 2023 Reduced 25.0%
$69.8B
$4,000 0.0% of portfolio
1
Q2 2022 New
$525M
$0 0.0% of portfolio
13
Q2 2025 New
$14.2B
$15,000 0.0% of portfolio
98
Q1 2025 Added 1.03%
Coherent Corp
-
$7,000 0.0% of portfolio
-
Q3 2022 New
$278B
$3,000 0.0% of portfolio
21
Q3 2025 New
$46.9B
$1,000 0.0% of portfolio
5
Q3 2025 New
Dimensional 2035 Target Dt Rtr Inc Instl
-
$4,000 0.0% of portfolio
-
Q4 2023 Added 2.14%
Dimensional 2040 Target Dt Rtr Inc Instl
-
$4,000 0.0% of portfolio
-
Q3 2025 Added 0.71%
Dimensional 2045 Target Dt Rtr Inc Instl
-
$4,000 0.0% of portfolio
-
Q3 2025 Added 0.99%
Dimensional 2050 Target Dt Rtr Inc Instl
-
$6,000 0.0% of portfolio
-
Q3 2025 Added 0.32%
Dimensional 2055 Target Dt Rtr Inc Instl
-
$3,000 0.0% of portfolio
-
Q3 2025 Added 0.65%
Dodge & Cox Stock I
-
$2,000 0.0% of portfolio
-
Q2 2025 Reduced 96.76%
Edgewood Growth Instl
-
$0 0.0% of portfolio
-
Q2 2025 New
Fidelity Asset Manager 70
-
$3,000 0.0% of portfolio
-
Q4 2024 Added 4.59%
Fidelity Growth Company Fund
-
$8,000 0.0% of portfolio
-
Q1 2025 Reduced 1.16%
Fidelity Select Biotechnology
-
$2,000 0.0% of portfolio
-
Q4 2024 Added 1.08%

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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