Rossby Financial, LCC reported 1,515 positions worth $236.76M for the quarter ended Sep 30, 2026, up 27.8% on the prior quarter. It opened 179 new positions, added to 757, trimmed 396 and exited 104. Its largest holding is Apple Inc. at 6.9% 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 |
|---|---|---|---|---|
| AAPL Apple Inc. | +15.2K | +45.4% | $5.08M | 6.87% |
| NVDA Nvidia Corp | +16.3K | +32.2% | $3.73M | 6.47% |
| MSFT Microsoft Corp | +5,655 | +33.8% | $2.90M | 4.85% |
| IAU Ishares Gold Trust | +15.6K | +283.5% | $1.22M | 0.697% |
| GLD Spdr Gold Trust | +2,058 | +53.8% | $783.77K | 0.947% |
| AVGO Broadcom Inc. | +2,055 | +25.6% | $721.68K | 1.49% |
| GBTC Grayscale Bitcoin Trust ETF | +11.0K | +219,460.0% | $708.75K | 0.299% |
| ADP Automatic Data Processing Inc | +2,653 | +986.2% | $684.63K | 0.318% |
| AVAV AeroVironment Inc | +4,375 | +145,833.3% | $622.21K | 0.263% |
| ADI Analog Devices Inc | +1,417 | +266.9% | $562.14K | 0.326% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| META Meta Platforms, Inc. | -805 | -18.4% | $583.84K | 1.09% |
| OLN OLIN Corp | -29.0K | -81.1% | $449.89K | 0.044% |
| RCL Royal Caribbean Cruises Ltd | -1,449 | -71.8% | $385.23K | 0.064% |
| IBM International Business Machines Corp | -1,632 | -36.3% | $358.90K | 0.266% |
| AMD Advanced Micro Devices Inc | -470 | -17.6% | $287.53K | 0.568% |
| LLY ELI LILLY & Co | -243 | -10.2% | $281.17K | 1.04% |
| IPI Intrepid Potash, Inc. | -7,500 | -100.0% | $245.85K | Exited |
| USAR USA Rare Earth, Inc. | -10.0K | -100.0% | $215.80K | Exited |
| POWL Powell Industries Inc | -750 | -100.0% | $214.77K | Exited |
| INSW International Seaways, Inc. | -1,849 | -22.4% | $203.65K | 0.298% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| WSBC Wesbanco Inc | +14.5K | $542.59K | 0.229% |
| NHI National Health Investors Inc | +6,760 | $443.66K | 0.187% |
| PPTA Perpetua Resources Corp. | +14.0K | $301.98K | 0.128% |
| OBDC Blue Owl Capital Corp | +21.2K | $222.79K | 0.094% |
| MPLX Mplx Lp | +3,783 | $213.06K | 0.09% |
| CBT Cabot Corp | +2,569 | $197.58K | 0.083% |
| GLNG Golar Lng Ltd | +4,000 | $190.08K | 0.08% |
| ERIE Erie Indemnity Co | +554 | $121.41K | 0.051% |
| ALM Almonty Industries Inc. | +8,500 | $111.86K | 0.047% |
| SLF Sun Life Financial Inc | +1,342 | $104.64K | 0.044% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| IPI Intrepid Potash, Inc. | -7,500 | $245.85K | 0.133% |
| USAR USA Rare Earth, Inc. | -10.0K | $215.80K | 0.116% |
| POWL Powell Industries Inc | -750 | $214.77K | 0.116% |
| FELE Franklin Electric Co Inc | -104 | $11.15K | <0.01% |
| MDLN Medline Inc. | -222 | $8.76K | <0.01% |
| PENG Penguin Solutions, Inc. | -77 | $5.85K | <0.01% |
| AXSM Axsome Therapeutics, Inc. | -22 | $5.39K | <0.01% |
| MDGL Madrigal Pharmaceuticals, Inc. | -10 | $5.37K | <0.01% |
| COGT Cogent Biosciences, Inc. | -138 | $5.34K | <0.01% |
| CTOS Custom Truck One Source, Inc. | -440 | $5.20K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 48.8K | $16.25M | 6.87% | +15.2K | +45.4% | Added | 0% |
| 2 | NVDA Nvidia Corp | Technology | 67.1K | $15.32M | 6.47% | +16.3K | +32.2% | Added | 0% |
| 3 | MSFT Microsoft Corp | Technology | 22.4K | $11.49M | 4.85% | +5,655 | +33.8% | Added | 0% |
| 4 | AMZN Amazon Com Inc | Consumer Discretionary | 22.8K | $5.67M | 2.4% | +864 | +3.9% | Added | 0% |
| 5 | GOOGL Alphabet Inc. | Technology | 15.4K | $5.31M | 2.24% | +1,474 | +10.5% | Added | 0% |
| 6 | GOOG Alphabet Inc. | Technology | 11.3K | $3.87M | 1.63% | +429 | +3.9% | Added | 0% |
| 7 | PSLV Sprott Physical Silver Trust | Others | 194.2K | $3.76M | 1.59% | 0 | 0.0% | Unchanged | 0.03% |
| 8 | AVGO Broadcom Inc. | Technology | 10.1K | $3.54M | 1.49% | +2,055 | +25.6% | Added | 0% |
| 9 | JPM Jpmorgan Chase & Co | Financial Services | 10.4K | $3.44M | 1.45% | +1,316 | +14.5% | Added | 0% |
| 10 | META Meta Platforms, Inc. | Technology | 3,569 | $2.59M | 1.09% | -805 | -18.4% | Reduced | 0% |
| 11 | MU Micron Technology Inc | Technology | 2,325 | $2.48M | 1.05% | +379 | +19.5% | Added | 0% |
| 12 | LLY ELI LILLY & Co | Healthcare | 2,133 | $2.47M | 1.04% | -243 | -10.2% | Reduced | 0% |
| 13 | JNJ Johnson & Johnson | Healthcare | 8,616 | $2.28M | 0.963% | +457 | +5.6% | Added | 0% |
| 14 | GLD Spdr Gold Trust | Financial Services | 5,886 | $2.24M | 0.947% | +2,058 | +53.8% | Added | 0% |
| 15 | WMT Walmart Inc. | Consumer Staples | 21.3K | $2.22M | 0.936% | +2,355 | +12.4% | Added | 0% |
Tip. Select a row to see that position’s full history at Rossby Financial, LCC.
As of its Q3 2026 13F filing, Rossby Financial, LCC’s five largest positions were Apple Inc. (AAPL) at 6.9%, Nvidia Corp (NVDA) at 6.5%, Microsoft Corp (MSFT) at 4.9%, Amazon Com Inc (AMZN) at 2.4%, Alphabet Inc. (GOOGL) at 2.2% of the reported portfolio.
Rossby Financial, LCC reported a 13F portfolio worth $236.76M across 1,515 positions for Q3 2026. That is up 27.8% from the previous quarter.
Its largest purchases by value were Apple Inc. ($5.08M), Nvidia Corp ($3.73M), Microsoft Corp ($2.90M). It opened 179 new positions.
Its largest sales by value were Meta Platforms, Inc. ($583.84K), OLIN Corp ($449.89K), Royal Caribbean Cruises Ltd ($385.23K). It exited 104 positions entirely.
From the Form 13F-HR reports Rossby Financial, LCC 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.