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
$0
$21.7 Million 5.18% of portfolio
100,767
Q3 2025 Added 12.7%
Schwab Us Treasury Money Investor
-
$18.6 Million 4.43% of portfolio
-
Q3 2025 Reduced 5.76%
Dfa Global Equity I
-
$17.5 Million 4.18% of portfolio
-
Q3 2025 Reduced 1.66%
$0
$16.2 Million 3.87% of portfolio
49,513
Q3 2025 Reduced 0.69%
$635B
$15.2 Million 3.62% of portfolio
30,238
Q3 2025 Added 0.12%
$0
$14.3 Million 3.4% of portfolio
200,346
Q3 2025 Added 3.32%
$4.34T
$13.4 Million 3.2% of portfolio
52,752
Q3 2025 Reduced 0.96%
Vanguard Ultra Short Treasury ETF
-
$13.3 Million 3.16% of portfolio
-
Q3 2025 Added 1,257.7%
$12.9B
$10.3 Million 2.45% of portfolio
52,652
Q3 2025 Reduced 2.35%
$278B
$10.1 Million 2.4% of portfolio
97,626
Q3 2025 Reduced 2.71%
$0
$9.58 Million 2.28% of portfolio
92,990
Q3 2025 Added 0.3%
$489B
$7.11 Million 1.69% of portfolio
38,359
Q3 2025 Added 4.39%
$101B
$7.08 Million 1.69% of portfolio
74,739
Q3 2025 Reduced 0.46%
$229B
$6.96 Million 1.66% of portfolio
42,932
Q3 2025 Reduced 0.23%
$220B
$6.93 Million 1.65% of portfolio
22,794
Q3 2025 Added 0.36%
$0
$6.71 Million 1.6% of portfolio
92,643
Q3 2025 Added 13.24%
$297B
$6.48 Million 1.54% of portfolio
97,718
Q3 2025 Added 0.47%
$34.7B
$6.13 Million 1.46% of portfolio
61,004
Q3 2025 Added 0.62%
Schwab Us Treasury Money Ultra
-
$6.15 Million 1.46% of portfolio
-
Q3 2025 Added 22.97%
$7.04B
$6.04 Million 1.44% of portfolio
49,440
Q3 2025 Added 0.77%
$154B
$6 Million 1.43% of portfolio
101,226
Q3 2025 Added 0.96%
$161B
$5.84 Million 1.39% of portfolio
77,344
Q3 2025 Added 1.86%
$197B
$5.56 Million 1.32% of portfolio
39,587
Q3 2025 Added 3.44%
$177B
$5.4 Million 1.29% of portfolio
29,391
Q3 2025 Added 1.0%
$103B
$5.36 Million 1.28% of portfolio
81,156
Q3 2025 Reduced 0.14%
$41.5B
$5.37 Million 1.28% of portfolio
42,395
Q3 2025 Added 2.0%
$120B
$5.33 Million 1.27% of portfolio
56,021
Q3 2025 Added 0.25%
$34B
$5.09 Million 1.21% of portfolio
40,911
Q3 2025 Added 1.51%
$0
$4.97 Million 1.18% of portfolio
116,263
Q3 2025 Added 42.82%
$165B
$4.92 Million 1.17% of portfolio
112,011
Q3 2025 Added 2.33%
$10.1B
$4.48 Million 1.07% of portfolio
112,403
Q3 2025 Added 2.66%
$3.83T
$4.4 Million 1.05% of portfolio
8,493
Q3 2025 Added 0.25%
$77.1B
$4.12 Million 0.98% of portfolio
59,093
Q3 2025 Reduced 0.56%
$13.6B
$4.03 Million 0.96% of portfolio
32,728
Q3 2025 Reduced 3.14%
$27.5B
$3.88 Million 0.92% of portfolio
76,920
Q3 2025 Added 5.23%
Dimensnl Ultrashrt Fixedincm ETF
-
$3.79 Million 0.9% of portfolio
-
Q3 2025 Added 8.62%
$24.4B
$3.7 Million 0.88% of portfolio
19,812
Q3 2025 Reduced 3.62%
$0
$3.3 Million 0.78% of portfolio
23,913
Q3 2025 Reduced 0.96%
$0
$3.2 Million 0.76% of portfolio
43,096
Q3 2025 Added 3.46%
$95.1B
$3.12 Million 0.74% of portfolio
36,896
Q3 2025 Reduced 6.36%
$0
$3.09 Million 0.73% of portfolio
36,697
Q3 2025 Added 10.96%
$0
$2.95 Million 0.7% of portfolio
36,969
Q3 2025 Added 10.4%
Schwab S&P 500 Index
-
$2.79 Million 0.67% of portfolio
-
Q3 2025 Added 485.84%
$0
$2.62 Million 0.62% of portfolio
54,303
Q3 2025 Added 80.97%
$0
$2.35 Million 0.56% of portfolio
27,210
Q3 2025 Added 10.03%
$476B
$2.3 Million 0.55% of portfolio
20,417
Q3 2025 Reduced 1.68%
$445M
$2.31 Million 0.55% of portfolio
75,974
Q3 2025 Added 83.15%
Dfa Us Core Equity 2 I
-
$2.07 Million 0.49% of portfolio
-
Q3 2025 Reduced 3.79%
$0
$1.95 Million 0.47% of portfolio
51,755
Q3 2025 Added 2.6%

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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