Mattson Financial Services, LLC reported 172 positions worth $308.55M for the quarter ended Jun 30, 2026, up 15.4% on the prior quarter. It opened 12 new positions, added to 104, trimmed 49 and exited 11. Its largest holding is Nvidia Corp at 5.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NVDA Nvidia Corp | +17.0K | +24.6% | $3.52M | 5.79% |
| CRWD CrowdStrike Holdings, Inc. | +63.7K | – | $3.25M | 1.05% |
| TSCO Tractor Supply Co | +36.3K | – | $1.12M | 0.364% |
| BSX Boston Scientific Corp | +20.5K | +77.4% | $915.11K | 0.68% |
| LLY ELI LILLY & Co | +644 | +37.6% | $752.95K | 0.893% |
| NOW ServiceNow, Inc. | +6,693 | +35.0% | $696.14K | 0.87% |
| HODL VanEck Bitcoin ETF | +36.3K | +37.7% | $659.52K | 0.781% |
| AVGO Broadcom Inc. | +1,147 | +6.8% | $429.49K | 2.19% |
| NEE Nextera Energy Inc | +4,687 | +20.7% | $418.78K | 0.792% |
| MLM Martin Marietta Materials Inc | +715 | +18.6% | $412.51K | 0.851% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| VRTX Vertex Pharmaceuticals Inc / Ma | -3,861 | -100.0% | $1.72M | Exited |
| PODD Insulet Corp | -6,815 | -100.0% | $1.43M | Exited |
| ABT Abbott Laboratories | -11.2K | -35.8% | $1.11M | 0.643% |
| FLEX Flex Ltd. | -16.1K | -100.0% | $1.05M | Exited |
| AMZN Amazon Com Inc | -3,849 | -6.8% | $961.83K | 4.28% |
| MSFT Microsoft Corp | -2,187 | -7.7% | $877.20K | 3.43% |
| GOOG Alphabet Inc. | -2,333 | -6.5% | $825.44K | 3.87% |
| QCOM Qualcomm Inc | -6,371 | -100.0% | $820.46K | Exited |
| BTCO Invesco Galaxy Bitcoin ETF | -10.9K | -100.0% | $734.34K | Exited |
| BRK-B Berkshire Hathaway Inc | -1,427 | -19.0% | $703.68K | 0.975% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| CRWD CrowdStrike Holdings, Inc. | +63.7K | $3.25M | 1.05% |
| TSCO Tractor Supply Co | +36.3K | $1.12M | 0.364% |
| ISBA Isabella Bank Corp | +8,534 | $347.50K | 0.113% |
| OKTA Okta, Inc. | +2,025 | $299.17K | 0.097% |
| CWST Casella Waste Systems Inc | +2,324 | $232.19K | 0.075% |
| EWBC East West Bancorp Inc | +1,596 | $217.28K | 0.07% |
| AAL American Airlines Group Inc. | +13.7K | $212.99K | 0.069% |
| EXPE Expedia Group, Inc. | +786 | $212.97K | 0.069% |
| ONON On Holding AG | +5,570 | $212.77K | 0.069% |
| AYI Acuity Inc. (De) | +625 | $212.66K | 0.069% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| VRTX Vertex Pharmaceuticals Inc / Ma | -3,861 | $1.72M | 0.645% |
| PODD Insulet Corp | -6,815 | $1.43M | 0.535% |
| FLEX Flex Ltd. | -16.1K | $1.05M | 0.394% |
| QCOM Qualcomm Inc | -6,371 | $820.46K | 0.307% |
| BTCO Invesco Galaxy Bitcoin ETF | -10.9K | $734.34K | 0.275% |
| RJF Raymond James Financial Inc | -2,358 | $341.42K | 0.128% |
| COO Cooper Companies, Inc. | -3,791 | $271.06K | 0.101% |
| CNR Core Natural Resources, Inc. | -2,328 | $243.81K | 0.091% |
| HLT Hilton Worldwide Holdings Inc. | -735 | $223.50K | 0.084% |
| TTWO Take Two Interactive Software Inc | -1,055 | $208.36K | 0.078% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 86.1K | $17.85M | 5.79% | +17.0K | +24.6% | Added | 0% |
| 2 | AAPL Apple Inc. | Technology | 40.2K | $13.38M | 4.34% | +146 | +0.4% | Added | 0% |
| 3 | AMZN Amazon Com Inc | Consumer Discretionary | 52.8K | $13.20M | 4.28% | -3,849 | -6.8% | Reduced | 0% |
| 4 | GOOG Alphabet Inc. | Technology | 33.8K | $11.95M | 3.87% | -2,333 | -6.5% | Reduced | 0% |
| 5 | MSFT Microsoft Corp | Technology | 26.4K | $10.59M | 3.43% | -2,187 | -7.7% | Reduced | 0% |
| 6 | META Meta Platforms, Inc. | Technology | 13.5K | $8.97M | 2.91% | +345 | +2.6% | Added | 0% |
| 7 | AVGO Broadcom Inc. | Technology | 18.0K | $6.74M | 2.19% | +1,147 | +6.8% | Added | 0% |
| 8 | GS Goldman Sachs Group Inc | Financial Services | 6,094 | $6.68M | 2.16% | 0 | 0.0% | Unchanged | 0% |
| 9 | PANW Palo Alto Networks Inc | Technology | 17.3K | $6.12M | 1.98% | -635 | -3.5% | Reduced | 0% |
| 10 | MS Morgan Stanley | Financial Services | 27.9K | $6.08M | 1.97% | -1,305 | -4.5% | Reduced | 0% |
| 11 | JPM Jpmorgan Chase & Co | Financial Services | 17.7K | $6.06M | 1.96% | +743 | +4.4% | Added | 0% |
| 12 | UNH Unitedhealth Group Inc | Healthcare | 12.6K | $5.33M | 1.73% | -1,360 | -9.8% | Reduced | 0% |
| 13 | CVX Chevron Corp | Energy | 28.1K | $5.17M | 1.68% | +732 | +2.7% | Added | 0% |
| 14 | LRCX Lam Research Corp | Technology | 15.1K | $4.84M | 1.57% | +554 | +3.8% | Added | 0% |
| 15 | V Visa Inc. | Financial Services | 13.1K | $4.78M | 1.55% | +864 | +7.1% | Added | 0% |
Tip. Select a row to see that position’s full history at Mattson Financial Services.
As of its Q2 2026 13F filing, Mattson Financial Services, LLC’s five largest positions were Nvidia Corp (NVDA) at 5.8%, Apple Inc. (AAPL) at 4.3%, Amazon Com Inc (AMZN) at 4.3%, Alphabet Inc. (GOOG) at 3.9%, Microsoft Corp (MSFT) at 3.4% of the reported portfolio.
Mattson Financial Services, LLC reported a 13F portfolio worth $308.55M across 172 positions for Q2 2026. That is up 15.4% from the previous quarter.
Its largest purchases by value were Nvidia Corp ($3.52M), CrowdStrike Holdings, Inc. ($3.25M), Tractor Supply Co ($1.12M). It opened 12 new positions.
Its largest sales by value were Vertex Pharmaceuticals Inc / Ma ($1.72M), Insulet Corp ($1.43M), Abbott Laboratories ($1.11M). It exited 11 positions entirely.
From the Form 13F-HR reports Mattson Financial Services, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.