Top Institutional Investors

Mosaic Advisors LLC — 13F Holdings & Portfolio

CIK 1808523 · latest 13F-HR filed 2026-08-07

Backtest portfolio

Mosaic Advisors LLC manages $74.5M in 13F-reported U.S. long-equity assets across 35 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ITOT (11.14%), AAPL (9.52%), DFA US Large Cap Equity Institutional (8.55%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 9 new positions and exited 15; 10 existing positions rose in reported value and 5 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.

Loading holdings…
AUM
$74.5M

Long-equity book

Holdings
35

Distinct positions

Period
2026-06-30

Filed 2026-08-07

Q/Q Activity
+9 / −15 / ↑10 / ↓5

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
ITOT11.1% · 0%AAPL9.5% · 0%DFA US8.5% · newCOP7.4% · 0%VEU6.5% · 0%VIG5.5% · -24%IWV5.3% · 0%SHW4.5% · 0%SCHK4.0% · newWMB3.3% · 0%SPY3.2% · 0%VXUS2.9% · newSPTM2.4% · 0%MGK2.4% · +0%AVGO2.3% · +0%NVDA2.3% · 0%CAT2.0% · 0%VT1.9% · +0%VGT1.7% · +61%WMT1.4% · 0%TSLA1.3% · 0%DIA1.2% · 0%CSX1.2% · -7%FPS1.1% · 0%JPMorgan Smartretirement1.1% · newAMD1.0% · 0%AMZN0.9% · 0%SPCX0.8% · newVTI0.6% · 0%TD0.6% · newBRK.A0.5% · newQQQM0.5% · 0%SGOV0.3% · 0%JSML0.3% · newPM0.3% · new

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 = 65.6%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Sep 17, 2026.

Assets Under Management
$948.7M
Discretionary
$305.2M
Employees
27
Accounts
596
Address
225 W. RANDOLPH STREET
SUITE 2425
CHICAGO, IL 60606
Phone
(312) 255-5490
Website
Name Title / Status Ownership Type
ALLEN, DERRICK, J. ControlPARTNER
since Jan 2018
25–50%Individual
DEBRUYNE, TIMOTHY, JOHN ControlPARTNER, CHIEF COMPLIANCE OFFICER
since Jan 2018
25–50%Individual
WOLAK, JANE-ELLEN, MARIE ControlPARTNER
since Oct 2000
Less than 5%Individual
Ownership & leadership changes · 7 filings with changes since Mar 29, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 20, 2024 filing
  • ChangedALLEN, DERRICK, J. · ownership 5–10% → 25–50%
  • ChangedDEBRUYNE, TIMOTHY, JOHN · ownership 5–10% → 25–50%
  • ChangedWOLAK, JANE-ELLEN, MARIE · ownership 75% or more → Less than 5%
Mar 30, 2023 filing
  • ChangedALLEN, DERRICK, J. · ownership Less than 5% → 5–10%
  • ChangedDEBRUYNE, TIMOTHY, JOHN · title PARTNER → PARTNER, CHIEF COMPLIANCE OFFICER; ownership Less than 5% → 5–10%
  • ChangedWOLAK, JANE-ELLEN, MARIE · title PARTNER, CHIEF COMPLIANCE OFFICER → PARTNER
Mar 24, 2021 filing
  • ChangedALLEN, DERRICK, J. · now a control person
  • ChangedDEBRUYNE, TIMOTHY, JOHN · now a control person
Mar 27, 2020 filing
  • No longer listedSTEPNICKA, CRAIG, DOUGLAS · DIRECTOR · Less than 5% · control person · listed since Jan 2016
Nov 20, 2018 filing
  • No longer listedJACKSON, THOMAS, JAMES · PARTNER · 50–75% · control person · listed since Jul 2000
  • ChangedWOLAK, JANE-ELLEN, MARIE · ownership 25–50% → 75% or more
Mar 28, 2018 filing
  • AddedALLEN, DERRICK, J. · PARTNER · Less than 5%
  • AddedDEBRUYNE, TIMOTHY, JOHN · PARTNER · Less than 5%
  • ChangedJACKSON, THOMAS, JAMES · title MEMBER → PARTNER
  • ChangedWOLAK, JANE-ELLEN, MARIE · title MEMBER, CHIEF COMPLIANCE OFFICER → PARTNER, CHIEF COMPLIANCE OFFICER
Jan 28, 2016 filing
  • AddedSTEPNICKA, CRAIG, DOUGLAS · DIRECTOR · Less than 5% · control person
Mar 29, 2012 filing (earliest on record)
  • ListedJACKSON, THOMAS, JAMES · MEMBER · 50–75% · control person
  • ListedWOLAK, JANE-ELLEN, MARIE · MEMBER, CHIEF COMPLIANCE OFFICER · 25–50% · control person

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 10 →

Top Trims

Show all 5 →

New Positions

Show all 9 →

Exited Positions

Show all 15 →

Mosaic Advisors LLC 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 iShares Core S&P Total US Stock Mark ITOT 464287150 $8.3M 11.14% 50,527 SH
2 Apple Inc AAPL 037833100 $7.1M 9.52% 24,531 SH
3 DFA US Large Cap Equity Institutional — 23320G240 $6.4M 8.55% 155,527 SH
4 Conocophillips COP 20825C104 $5.5M 7.39% 52,976 SH
5 Vanguard FTSE All-World Ex-US ETF VEU 922042775 $4.8M 6.48% 57,705 SH
6 Vanguard Dividend Appreciation ETF VIG 921908844 $4.1M 5.53% 17,406 SH
7 MFC iShares Trust Russell 3000 ETF IWV 464287689 $3.9M 5.29% 9,249 SH
8 Sherwin Williams Co SHW 824348106 $3.3M 4.45% 9,641 SH
9 Schwab S&P 500 Index SCHK 808509855 $3.0M 4.00% 154,500 SH
10 Williams Companies WMB 969457100 $2.5M 3.29% 33,000 SH
11 SPDR S&P 500 ETF SPY 78462F103 $2.4M 3.19% 3,180 SH
12 Vanguard Total International STK ETF VXUS 921909768 $2.1M 2.85% 24,856 SH
13 SPDR Port S&P 1500 Comps Stk Mkt ETF SPTM 78464A805 $1.8M 2.42% 19,863 SH
14 Vanguard Mega Cap Growth ETF IV MGK 921910816 $1.8M 2.40% 20,366 SH
15 Broadcom Inc AVGO 11135F101 $1.7M 2.34% 4,609 SH
16 Nvidia Corp NVDA 67066G104 $1.7M 2.30% 8,560 SH
17 Caterpillar CAT 149123101 $1.5M 2.04% 1,425 SH
18 Vanguard Total World Stock Et ETF IV VT 922042742 $1.4M 1.89% 8,957 SH
19 Vanguard Information Technology ETF VGT 92204A702 $1.2M 1.67% 10,424 SH
20 Wal-Mart WMT 931142103 $1.0M 1.40% 9,210 SH
21 Tesla Motors TSLA 88160R101 $953.5K 1.28% 2,267 SH
22 SPDR Dow Jones Industrial Avrg ETF DIA 78467X109 $925.0K 1.24% 1,771 SH
23 CSX Corp CSX 126408103 $920.8K 1.24% 19,374 SH
24 Forgent PWR Solution Class A FPS 34631F102 $837.9K 1.12% 15,000 SH
25 JPMorgan Smartretirement Blend 2020 Fund Class R6 — 46636U595 $817.0K 1.10% 40,385 SH
26 Advanced Micro Devic AMD 007903107 $779.0K 1.05% 1,341 SH
27 Amazon.Com Inc AMZN 023135106 $696.0K 0.93% 2,920 SH
28 Space Exploration Technologies Corp CL A SPCX 84615Q103 $559.6K 0.75% 3,275 SH
29 Vanguard Total Stock Market E ETF IV VTI 922908769 $458.1K 0.61% 1,238 SH
30 Toronto-Dominion BK F TD 891160509 $431.1K 0.58% 3,550 SH
31 Berkshire Hathaway BRK.A 084670902 $397.4K 0.53% 2,100 SH
32 Invesco Nasdaq 100 ETF QQQM 46138G649 $393.9K 0.53% 1,300 SH
33 iShares 0-3 Month Treasury SGOV 46436E718 $251.7K 0.34% 2,500 SH
34 Janus Henderson Forty T — 47103A625 $218.9K 0.29% 3,876 SH
35 Philip Morris Intl PM 718172109 $208.0K 0.28% 1,150 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-07 $74.5M 35 0001808523-26-000004
2026-03-31 2026-05-04 $66.8M 42 0001808523-26-000002
2025-12-31 2026-02-18 $52.2M 27 0001808523-26-000001
Filer Information
Address
3773 RICHMOND AVE
SUITE 700
HOUSTON, TX 77046
Phone
(713) 980-4100
Filing Manager
Mosaic Advisors LLC
HOUSTON, TX
Signatory
Carey Kesner
Chief Compliance Officer