Marathon Capital Management reported 159 positions worth $441.07M for the quarter ended Sep 30, 2026, down 1.9% on the prior quarter. It opened 6 new positions, added to 56, trimmed 67 and exited 10. Its largest holding is Price T Rowe Group Inc at 13.7% 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 |
|---|---|---|---|---|
| ZETA Zeta Global Holdings Corp. | +236.5K | +98.6% | $7.47M | 3.41% |
| DECK Deckers Outdoor Corp | +82.6K | – | $6.45M | 1.46% |
| AXTI Axt Inc | +11.4K | – | $882.09K | 0.2% |
| LPTH Lightpath Technologies Inc | +70.5K | – | $726.49K | 0.165% |
| NVDA Nvidia Corp | +2,496 | +21.9% | $570.06K | 0.72% |
| PAR Par Technology Corp | +37.4K | +46.7% | $514.76K | 0.366% |
| CPRT Copart Inc | +12.9K | – | $351.89K | 0.08% |
| ANET Arista Networks, Inc. | +1,071 | – | $218.05K | 0.049% |
| AMP Ameriprise Financial Inc | +437 | – | $215.16K | 0.049% |
| CALX Calix, Inc | +5,605 | +6.7% | $192.59K | 0.695% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ADMA Adma Biologics, Inc. | -171.0K | -32.1% | $1.72M | 0.822% |
| ALL Allstate Corp | -2,346 | -62.1% | $520.63K | 0.072% |
| SMR NUSCALE POWER Corp | -51.5K | -100.0% | $516.55K | Exited |
| AAPL Apple Inc. | -1,398 | -3.3% | $465.57K | 3.12% |
| YOU Clear Secure, Inc. | -8,000 | -100.0% | $445.84K | Exited |
| HPQ Hp Inc | -14.0K | -100.0% | $307.71K | Exited |
| JNJ Johnson & Johnson | -1,115 | -4.4% | $295.18K | 1.44% |
| ZTS Zoetis Inc. | -4,164 | -5.0% | $290.77K | 1.26% |
| GLW Corning Inc | -1,849 | -2.0% | $284.30K | 3.18% |
| FIS Fidelity National Information Services, Inc. | -7,748 | -4.7% | $254.91K | 1.19% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| DECK Deckers Outdoor Corp | +82.6K | $6.45M | 1.46% |
| AXTI Axt Inc | +11.4K | $882.09K | 0.2% |
| LPTH Lightpath Technologies Inc | +70.5K | $726.49K | 0.165% |
| CPRT Copart Inc | +12.9K | $351.89K | 0.08% |
| ANET Arista Networks, Inc. | +1,071 | $218.05K | 0.049% |
| AMP Ameriprise Financial Inc | +437 | $215.16K | 0.049% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| SMR NUSCALE POWER Corp | -51.5K | $516.55K | 0.115% |
| YOU Clear Secure, Inc. | -8,000 | $445.84K | 0.099% |
| HPQ Hp Inc | -14.0K | $307.71K | 0.068% |
| GWW W.W. Grainger, Inc. | -156 | $212.23K | 0.047% |
| NOC Northrop Grumman Corp | -407 | $207.29K | 0.046% |
| WM Waste Management Inc | -910 | $202.82K | 0.045% |
| RXRX Recursion Pharmaceuticals, Inc. | -21.7K | $79.62K | 0.018% |
| BTBT Bit Digital, Inc | -15.0K | $27.00K | <0.01% |
| CNDT CONDUENT Inc | -12.5K | $18.25K | <0.01% |
| CTSO Cytosorbents Corp | -500 | $3.74K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | TROW Price T Rowe Group Inc | Financial Services | 580.0K | $60.35M | 13.68% | -350 | -0.1% | Reduced | 0.27% |
| 2 | ZETA Zeta Global Holdings Corp. | Technology | 476.2K | $15.03M | 3.41% | +236.5K | +98.6% | Added | 0.21% |
| 3 | AMZN Amazon Com Inc | Consumer Discretionary | 56.5K | $14.08M | 3.19% | -128 | -0.2% | Reduced | 0% |
| 4 | GLW Corning Inc | Basic Materials | 91.1K | $14.01M | 3.18% | -1,849 | -2.0% | Reduced | 0.01% |
| 5 | GOOG Alphabet Inc. | Technology | 41.0K | $13.96M | 3.17% | -386 | -0.9% | Reduced | 0% |
| 6 | AAPL Apple Inc. | Technology | 41.3K | $13.74M | 3.12% | -1,398 | -3.3% | Reduced | 0% |
| 7 | ZS Zscaler, Inc. | Technology | 65.6K | $13.08M | 2.96% | -595 | -0.9% | Reduced | 0.04% |
| 8 | MSFT Microsoft Corp | Technology | 23.6K | $12.11M | 2.75% | -271 | -1.1% | Reduced | 0% |
| 9 | AZN Astrazeneca Plc | Healthcare | 65.4K | $10.55M | 2.39% | +583 | +0.9% | Added | 0% |
| 10 | MET Metlife Inc | Financial Services | 101.1K | $9.52M | 2.16% | -1,294 | -1.3% | Reduced | 0.02% |
| 11 | CVX Chevron Corp | Energy | 41.4K | $8.46M | 1.92% | -315 | -0.8% | Reduced | 0% |
| 12 | ALSN Allison Transmission Holdings Inc | Industrials | 71.8K | $8.13M | 1.84% | -498 | -0.7% | Reduced | 0.09% |
| 13 | FANG Diamondback Energy, Inc. | Energy | 44.2K | $8.12M | 1.84% | -16 | 0.0% | Reduced | 0.02% |
| 14 | WAY Waystar Holding Corp. | Technology | 313.6K | $7.95M | 1.8% | -1,660 | -0.5% | Reduced | 0.16% |
| 15 | IBM International Business Machines Corp | Technology | 32.0K | $7.03M | 1.59% | +820 | +2.6% | Added | 0% |
Tip. Select a row to see that position’s full history at Marathon Capital Management.
As of its Q3 2026 13F filing, Marathon Capital Management’s five largest positions were Price T Rowe Group Inc (TROW) at 13.7%, Zeta Global Holdings Corp. (ZETA) at 3.4%, Amazon Com Inc (AMZN) at 3.2%, Corning Inc (GLW) at 3.2%, Alphabet Inc. (GOOG) at 3.2% of the reported portfolio.
Marathon Capital Management reported a 13F portfolio worth $441.07M across 159 positions for Q3 2026. That is down 1.9% from the previous quarter.
Its largest purchases by value were Zeta Global Holdings Corp. ($7.47M), Deckers Outdoor Corp ($6.45M), Axt Inc ($882.09K). It opened 6 new positions.
Its largest sales by value were Adma Biologics, Inc. ($1.72M), Allstate Corp ($520.63K), NUSCALE POWER Corp ($516.55K). It exited 10 positions entirely.
From the Form 13F-HR reports Marathon Capital Management 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.