Ursa Fund Management, LLC reported 14 positions worth $570.75M for the quarter ended Jun 30, 2026, up 2,051.0% on the prior quarter. It opened 11 new positions, added to 3, trimmed 0 and exited 4. Its largest holding is Microsoft Corp at 35.9% 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 |
|---|---|---|---|---|
| MSFT Microsoft Corp | +550.0K | – | $205.16M | 35.95% |
| MU Micron Technology Inc | +125.0K | – | $144.29M | 25.28% |
| TSLA Tesla, Inc. | +300.0K | – | $126.18M | 22.11% |
| AMZN Amazon Com Inc | +150.0K | – | $35.75M | 6.26% |
| NVDA Nvidia Corp | +100.0K | – | $20.01M | 3.51% |
| CLBK Columbia Financial, Inc. | +775.9K | +155.2% | $16.46M | 4.74% |
| EOSE Eos Energy Enterprises, Inc. | +1.24M | – | $7.26M | 1.27% |
| SSTK Shutterstock, Inc. | +22.1K | – | $308.83K | 0.054% |
| IBIT iShares Bitcoin Trust ETF | +6,400 | +9.4% | $213.06K | 0.434% |
| PLUG Plug Power Inc | +75.0K | – | $203.25K | 0.036% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| MSFT Microsoft Corp | +550.0K | $205.16M | 35.95% |
| MU Micron Technology Inc | +125.0K | $144.29M | 25.28% |
| TSLA Tesla, Inc. | +300.0K | $126.18M | 22.11% |
| AMZN Amazon Com Inc | +150.0K | $35.75M | 6.26% |
| NVDA Nvidia Corp | +100.0K | $20.01M | 3.51% |
| EOSE Eos Energy Enterprises, Inc. | +1.24M | $7.26M | 1.27% |
| SSTK Shutterstock, Inc. | +22.1K | $308.83K | 0.054% |
| PLUG Plug Power Inc | +75.0K | $203.25K | 0.036% |
| INM InMed Pharmaceuticals Inc. | +12.6K | $194.99K | 0.034% |
| CSIQ Canadian Solar Inc. | +10.0K | $160.20K | 0.028% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MSFT Microsoft Corp | Technology | 550.0K | $205.16M | 35.95% | +550.0K | – | New | 0.01% |
| 2 | MU Micron Technology Inc | Technology | 125.0K | $144.29M | 25.28% | +125.0K | – | New | 0.01% |
| 3 | TSLA Tesla, Inc. | Consumer Discretionary | 300.0K | $126.18M | 22.11% | +300.0K | – | New | 0.01% |
| 4 | AMZN Amazon Com Inc | Consumer Discretionary | 150.0K | $35.75M | 6.26% | +150.0K | – | New | 0% |
| 5 | CLBK Columbia Financial, Inc. | Financial Services | 1.28M | $27.07M | 4.74% | +775.9K | +155.2% | Added | 1.23% |
| 6 | NVDA Nvidia Corp | Technology | 100.0K | $20.01M | 3.51% | +100.0K | – | New | 0% |
| 7 | EOSE Eos Energy Enterprises, Inc. | Industrials | 1.24M | $7.26M | 1.27% | +1.24M | – | New | 0.36% |
| 8 | IBIT iShares Bitcoin Trust ETF | Others | 74.4K | $2.48M | 0.434% | +6,400 | +9.4% | Added | 0.01% |
| 9 | WHLR Wheeler Real Estate Investment Trust, Inc. | Real Estate | 161.0K | $1.61M | 0.282% | +1,000 | +0.6% | Added | 8.34% |
| 10 | SSTK Shutterstock, Inc. | Technology | 22.1K | $308.83K | 0.054% | +22.1K | – | New | 0.06% |
| 11 | PLUG Plug Power Inc | Energy | 75.0K | $203.25K | 0.036% | +75.0K | – | New | 0.01% |
| 12 | INM InMed Pharmaceuticals Inc. | Basic Materials | 12.6K | $194.99K | 0.034% | +12.6K | – | New | 2.36% |
| 13 | CSIQ Canadian Solar Inc. | Industrials | 10.0K | $160.20K | 0.028% | +10.0K | – | New | 0.01% |
| 14 | SPCE Virgin Galactic Holdings, Inc | Industrials | 25.0K | $72.25K | 0.013% | +25.0K | – | New | 0.02% |
Tip. Select a row to see that position’s full history at Ursa Fund Management.
As of its Q2 2026 13F filing, Ursa Fund Management, LLC’s five largest positions were Microsoft Corp (MSFT) at 35.9%, Micron Technology Inc (MU) at 25.3%, Tesla, Inc. (TSLA) at 22.1%, Amazon Com Inc (AMZN) at 6.3%, Columbia Financial, Inc. (CLBK) at 4.7% of the reported portfolio.
Ursa Fund Management, LLC reported a 13F portfolio worth $570.75M across 14 positions for Q2 2026. That is up 2,051.0% from the previous quarter.
Its largest purchases by value were Microsoft Corp ($205.16M), Micron Technology Inc ($144.29M), Tesla, Inc. ($126.18M). It opened 11 new positions.
Its largest sales by value were Penumbra Inc ($11.49M), Wix.com Ltd. ($1.35M), People Inc ($1.00M). It exited 4 positions entirely.
From the Form 13F-HR reports Ursa Fund Management, 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.