Institutional Manager · CIK 0002034595
Mattson Financial Services, LLC
KENTWOOD, MI · File #028-24372
Latest AUM
$428.2M
Positions
181
Top-10 Concentration
41.5%
Filings
7
Portfolio Value Over Time
2024-09
2024-09
2025-03
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | ALPHABET INC | GOOG | -9,596 | -$3.0M | +$3.4M |
| ADD | NETFLIX INC | NFLX | +28,685 | +$2.7M | -$2.9M |
| NEW | ELI LILLY & CO | LLY | +1,820 | +$2.0M | $0 |
| ADD | SERVICENOW INC | NOW | +12,741 | +$2.0M | -$2.0M |
| EXITED | UBER TECHNOLOGIES INC | 90353T100 | -19,848 | -$1.9M | $0 |
| NEW | INTUITIVE SURGICAL INC | ISRG | +3,392 | +$1.9M | $0 |
| NEW | TJX COS INC NEW | 872540109 | +12,486 | +$1.9M | $0 |
| EXITED | ZIMMER BIOMET HOLDINGS INC | 98956P102 | -19,455 | -$1.9M | $0 |
| NEW | CINTAS CORP | CTAS | +10,121 | +$1.9M | $0 |
| ADD | DOUBLELINE ETF TRUST | 25861R402 | +37,940 | +$1.9M | -$6,506 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025181 pos · $428.2M
- 13F HOLDINGS REPORTQ/E Sep 2025186 pos · $418.2M
- 13F HOLDINGS REPORTQ/E Jun 2025164 pos · $370.8M
- 13F HOLDINGS REPORTQ/E Mar 20251,176 pos · $332.7M
- 13F HOLDINGS REPORTQ/E Mar 20251,014 pos · $314.6M
- 13F HOLDINGS REPORTQ/E Sep 2024916 pos · $278.9M
- 13F HOLDINGS REPORTQ/E Sep 2024916 pos · $280.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SPDR SERIES TRUST | 78464A854 | 199,537 | $16.0M | 5.77% |
| 2 | DOUBLELINE ETF TRUST | 25861R402 | 298,276 | $14.8M | 5.34% |
| 3 | NVIDIA CORPORATION | NVDA | 72,366 | $13.5M | 4.87% |
| 4 | AMAZON COM INC | AMZN | 55,277 | $12.8M | 4.60% |
| 5 | MICROSOFT CORP | MSFT | 26,365 | $12.8M | 4.60% |
| 6 | ALPHABET INC | GOOG | 38,937 | $12.2M | 4.41% |
| 7 | APPLE INC | AAPL | 41,181 | $11.2M | 4.04% |
| 8 | META PLATFORMS INC | META | 13,428 | $8.9M | 3.20% |
| 9 | BONDBLOXX ETF TRUST | 09789C838 | 143,475 | $7.1M | 2.56% |
| 10 | NEOS ETF TRUST | 78433H303 | 113,435 | $6.0M | 2.15% |
| 11 | BROADCOM INC | AVGO | 17,027 | $5.9M | 2.13% |
| 12 | GOLDMAN SACHS GROUP INC | GSCE | 6,366 | $5.6M | 2.02% |
| 13 | BONDBLOXX ETF TRUST | 09789C754 | 106,237 | $5.5M | 1.97% |
| 14 | JPMORGAN CHASE & CO. | VYLD | 16,918 | $5.5M | 1.97% |
| 15 | AMERICAN CENTY ETF TR | 025072885 | 46,968 | $5.3M | 1.89% |
| 16 | MORGAN STANLEY | MS-PQ | 29,231 | $5.2M | 1.87% |
| 17 | BONDBLOXX ETF TRUST | 09789C820 | 102,596 | $4.9M | 1.78% |
| 18 | CHEVRON CORP NEW | CVX | 30,736 | $4.7M | 1.69% |
| 19 | INNOVATOR ETFS TRUST | INHD | 120,638 | $4.6M | 1.66% |
| 20 | ISHARES U S ETF TR | 46431W648 | 44,137 | $4.5M | 1.62% |