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Coston, McIsaac & Partners — 13F Holdings & Portfolio

CIK 1945037 · latest 13F-HR filed 2026-08-12

Backtest portfolio

Coston, McIsaac & Partners manages $497.0M in 13F-reported U.S. long-equity assets across 1,099 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VIG (5.12%), SCHWAB US TREASURY MONEY INVESTOR (4.50%), VEU (4.21%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 73 new positions and exited 66; 439 existing positions rose in reported value and 111 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$497.0M

Long-equity book

Holdings
1,099

Distinct positions

Period
2026-06-30

Filed 2026-08-12

Q/Q Activity
+73 / −66 / ↑439 / ↓111

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
VIG5.3% · +7%IVTTF4.7% · newVGUS4.4% · +20%VEU4.3% · +8%DFA GLOBAL3.9% · +3%VTI3.6% · +3%BRK.B3.2% · +3%AAPL2.9% · +2%DFUS2.6% · +19%WSM2.3% · +1%DFCF2.3% · +20%WMT2.1% · +1%NOBL2.0% · +101%JNJ1.9% · +2%TXN1.9% · +2%KO1.7% · +4%PM1.6% · +3%DFSD1.5% · +29%SO1.5% · +3%ED1.4% · +3%NEE1.4% · +3%PG1.4% · +4%MO1.3% · +3%MCD1.3% · +3%PEP1.2% · +3%UL1.2% · +4%BND1.1% · +123%VZ1.1% · +4%KMB1.1% · +5%INGR1.0% · +4%WTRG1.0% · +5%PAYX1.0% · +4%MDT0.9% · +5%TDV0.9% · +23%DUSB0.8% · -0%VCIT0.8% · +6%VNRDF0.8% · +4%MSFT0.7% · +9%CLX0.7% · +2%SCHK0.7% · +48%VT0.7% · -2%VGUTF0.7% · +1434%SBUX0.7% · +0%VCSH0.7% · +5%GIS0.6% · +3%DUHP0.6% · +4%TBIL0.6% · newBHB0.6% · +0%HSY0.6% · +1%XOM0.5% · +0%NKE0.4% · -5%DFAC0.4% · -1%SDY0.4% · -0%FNLC0.4% · +4%BNDX0.4% · +6%VOO0.4% · +18%DFA GLOBAL0.4% · +4%SCHF0.4% · +11324%VTIP0.3% · +8%DFA US0.3% · +3%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 37.3%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 439 →

Top Trims

Show all 111 →

New Positions

Show all 73 →

Exited Positions

  • DUPONT DE NEMOURS INC$299.0K
  • FIDELITY ADVISOR NEW INSIGHTS I$228.0K
  • LORD ABBETT CORE PLUS BOND I$172.0K
  • EATON VANCE TOTAL RETURN BOND I$159.0K
  • FIDELITY ADVISOR CAPITAL & INCOME I$137.0K
Show all 66 →

Coston, McIsaac & Partners Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 VANGUARD DIVIDEND APPRECIATION INDEX FUND ETF SHARES VIG 921908844 $25.4M 5.12% 107,460 SH
2 SCHWAB US TREASURY MONEY INVESTOR — 808515548 $22.4M 4.50% 22,354,498 SH
3 VANGUARD FTSE ALL-WORLD EX-US INDEX FUND ETF SHARES VEU 922042775 $20.9M 4.21% 250,003 SH
4 VANGUARD ULTRA-SHORT TREASURY ETF VGUS 922040852 $20.9M 4.20% 275,685 SH
5 DFA GLOBAL EQUITY I — 25434D674 $19.0M 3.82% 427,921 SH
6 VANGUARD TOTAL STOCK MARKET INDEX FUND ETF SHARES VTI 922908769 $17.6M 3.54% 47,520 SH
7 BERKSHIRE HATHAWAY CLASS B BRK.B 084670702 $15.5M 3.12% 30,974 SH
8 APPLE INC AAPL 037833100 $14.3M 2.87% 49,340 SH
9 DIMENSIONAL U.S. EQUITY MARKET ETF DFUS 25434V401 $12.2M 2.46% 149,287 SH
10 WILLIAMS SONOMA INC WSM 969904101 $11.5M 2.32% 49,385 SH
11 DIMENSIONAL CORE FIXED INCOME ETF DFCF 25434V872 $11.2M 2.24% 264,270 SH
12 WALMART INC WMT 931142103 $10.2M 2.06% 90,501 SH
13 PROSHARES S&P 500 DIVIDEND ARISTOCRATS ETF NOBL 74348A467 $9.8M 1.97% 174,313 SH
14 JOHNSON & JOHNSON JNJ 478160104 $9.5M 1.92% 37,520 SH
15 TEXAS INSTRS INC TXN 882508104 $9.3M 1.87% 31,231 SH
16 THE COCA-COLA CO KO 191216100 $8.1M 1.63% 99,535 SH
17 PHILIP MORRIS INTL INC PM 718172109 $7.9M 1.59% 43,595 SH
18 DIMENSIONAL SHORT-DURATION FIXED INCOME ETF DFSD 25434V864 $7.3M 1.46% 152,275 SH
19 SOUTHERN CO SO 842587107 $7.2M 1.45% 75,440 SH
20 CONSOLIDATED EDISON INC ED 209115104 $7.1M 1.42% 63,840 SH
21 NEXTERA ENERGY INC NEE 65339F101 $7.0M 1.41% 79,605 SH
22 PROCTER & GAMBLE CO PG 742718109 $6.7M 1.35% 45,623 SH
23 ALTRIA GROUP INC MO 02209S103 $6.4M 1.28% 88,476 SH
24 MCDONALDS CORP MCD 580135101 $6.3M 1.26% 23,223 SH
25 PEPSICO INC PEP 713448108 $5.9M 1.19% 43,727 SH
26 UNILEVER PLC FSPONSORED ADR 1 ADR REPS 1 ORD SHS UL 904767803 $5.7M 1.14% 94,264 SH
27 VERIZON COMMUNICATIONS I VZ 92343V104 $5.5M 1.10% 129,127 SH
28 KIMBERLY CLARK CORP KMB 494368103 $5.3M 1.06% 47,951 SH
29 INGREDION INC INGR 457187102 $5.1M 1.02% 53,741 SH
30 ESSENTIAL UTILS INC WTRG 29670G102 $4.8M 0.97% 125,773 SH
31 PAYCHEX INC PAYX 704326107 $4.8M 0.97% 48,984 SH
32 MEDTRONIC PLC F MDT G5960L103 $4.6M 0.93% 58,901 SH
33 PROSHARES S&P TECHNOLOGYDIVIDEND ARISTOCRATS ETF TDV 74347G606 $4.3M 0.87% 41,596 SH
34 DIMENSIONAL ULTRASHORT FIXED INCOME ETF DUSB 25434V591 $4.1M 0.82% 80,160 SH
35 VANGUARD INTERMEDIATE-TERM CORPORATE BOND INDEX FUN VCIT 92206C870 $4.0M 0.81% 48,675 SH
36 VANGUARD 500 INDEX ADMIRAL VNRDF 922908710 $3.8M 0.76% 5,451 SH
37 MICROSOFT CORP MSFT 594918104 $3.5M 0.70% 9,293 SH
38 CLOROX CO CLX 189054109 $3.4M 0.69% 36,022 SH
39 VANGUARD TOTAL STOCK MKT IDX ADM VGUTF 922908728 $3.3M 0.66% 18,330 SH
40 STARBUCKS CORP SBUX 855244109 $3.3M 0.65% 31,852 SH
41 VANGUARD SHORT TERM COR BD ETF VCSH 92206C409 $3.2M 0.65% 40,995 SH
42 VANGUARD TOTAL WORLD STOCK INDEX FUND ETF SHARES VT 922042742 $3.2M 0.65% 20,578 SH
43 GENERAL MILLS INC GIS 370334104 $3.2M 0.64% 91,440 SH
44 VANGUARD TOTAL BOND MARKET INDEX FUND ETF SHARES BND 921937835 $2.9M 0.59% 39,673 SH
45 SCHWAB US TREASURY MONEY ULTRA — 808515472 $2.9M 0.58% 2,880,855 SH
46 BAR HBR BANKSHARES BHB 066849100 $2.8M 0.57% 75,290 SH
47 DIMENSIONAL US HIGH PROFITABILITY ETF DUHP 25434V831 $2.8M 0.56% 67,197 SH
48 HERSHEY CO HSY 427866108 $2.8M 0.56% 15,774 SH
49 VANGUARD TOTAL BOND MARKET INDEX ADM BND 921937603 $2.7M 0.54% 275,775 SH
50 EXXON MOBIL CORP XOM 30231G102 $2.6M 0.53% 19,234 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-12 $497.0M 1,099 0001945037-26-000003
2026-03-31 2026-04-22 $443.1M 941 0001945037-26-000002
2025-12-31 2026-02-03 $430.8M 1,071 0001945037-26-000001
Filer Information
Address
38 RODICK STREET
BAR HARBOR, ME 04609
Phone
(207) 288-4747
Filing Manager
Coston, McIsaac & Partners
BAR HARBOR, ME
Signatory
Chester Lloyd
Chief Compliance Officer