MATTSON FINANCIAL SERVICES LLC
Q1 2026 Form 13-F
KENTWOOD, MICHIGAN
CIK 0002034595
· CRD 153067
· SEC-registered investment adviser
$418.8M Reported Value Total
MATTSON FINANCIAL SERVICES, LLC reports 3,211 total accounts under management (AUM). There are 3,207 discretionary accounts valued at $514,734,350, and 4 non-discretionary accounts valued at $246,518.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Source: Form ADV filed 2026-11-02
Reported value
$418.8M
Quarter over quarter
-3.1%
Holdings
232
Top-10 concentration
25.5%
Key People
Form ADV owners & control persons
Gary Herman Mattson
MANAGING MEMBER/INVESTMENT ADVISOR REPRESENTATIVE
Laurel Audrey Steward
MEMBER/CHIEF COMPLIANCE OFFICER/INVESTMENT ADVISOR REPRESENTATIVE
Taylor Franklin Steward
MEMBER/INVESTMENT ADVISOR REPRESENTATIVE
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Q1 2026 13F record
Q1 2026 13F filing summary
| Period of report | March 31, 2026 |
|---|---|
| Filed | May 11, 2026 |
| Form | 13F-HR |
| Reported value | $418.8M |
| Positions | 232 |
| Change in reported value | -2.2% |
| New positions | 62 |
| Exited positions | 11 |
| Position turnover | 30.0% |
| Top-10 concentration | 25.5% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Aug 4, 2026
|
235 | $477.8M |
|
Q1 2026 13F
Filed May 11, 2026
|
232 | $418.8M |
|
Q4 2025 13F
Filed Feb 12, 2026
|
181 | $428.2M |
|
Q3 2025 13F
Filed Oct 17, 2025
|
186 | $418.2M |
|
Q2 2025 13F
Filed Jul 29, 2025
|
164 | $370.8M |
|
Q1 2025 13F
Filed May 22, 2025
|
330 | $332.7M |
|
Q4 2024 13F
Filed Mar 10, 2025
|
348 | $314.6M |
|
Q3 2024 13F
Filed Oct 8, 2024
|
270 | $278.9M |
|
Q2 2024 13F
Filed Sep 30, 2024
|
270 | $280.8M |
Top 20 holdings · Q1 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | DMBS DOUBLELINE ETF TRUST | $16.2M | 3.87% |
| 2 | SPYM SPDR SERIES TRUST | $14.1M | 3.36% |
| 3 | NVDA NVIDIA CORPORATION | $12.0M | 2.88% |
| 4 | AMZN AMAZON COM INC | $11.8M | 2.82% |
| 5 | MSFT MICROSOFT CORP | $10.6M | 2.53% |
| 6 | GOOG ALPHABET INC | $10.4M | 2.47% |
| 7 | AAPL APPLE INC | $10.2M | 2.42% |
| 8 | XFIV BONDBLOXX ETF TRUST | $7.8M | 1.87% |
| 9 | META META PLATFORMS INC | $7.5M | 1.8% |
| 10 | BBBS BONDBLOXX ETF TRUST | $6.1M | 1.44% |
| 11 | CVX CHEVRON CORPORATION | $5.7M | 1.35% |
| 12 | XSVN BONDBLOXX ETF TRUST | $5.5M | 1.3% |
| 13 | AVUS AMERICAN CENTY ETF TR | $5.3M | 1.27% |
| 14 | AVGO BROADCOM INC | $5.2M | 1.25% |
| 15 | GS GOLDMAN SACHS GROUP INC | $5.2M | 1.23% |
| 16 | JPM JPMORGAN CHASE & CO | $5.0M | 1.19% |
| 17 | XTRE BONDBLOXX ETF TRUST | $4.9M | 1.16% |
| 18 | JAAA JANUS DETROIT STR TR | $4.9M | 1.16% |
| 19 | MS MORGAN STANLEY | $4.8M | 1.15% |
| 20 | DABS DOUBLELINE ETF TRUST | $4.7M | 1.13% |
Values as reported on the Q1 2026 Form 13F. Every position is in the holdings table below.