Q2 2026 13F · SEC CIK 1693838
Ursa Fund Management, LLC
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $610.5M
- Reported positions
- 20
- Top holdings a year, 3 yrs
- +2.1%
- Assets under management
- $1.2B
Ursa Fund Management, LLC is a hedge fund that reported 20 positions worth $610.5M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Microsoft Corp (MSFT, 33.6%), Micron Technology Inc (MU, 23.6%), Tesla Inc (TSLA, 20.7%). A portfolio copying its top holdings returned 2.1% a year over the last 3 years, against 18.0% for the S&P 500.
Ursa Fund Management, LLC holdings all 20 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| MSFTMicrosoft Corp | 33.6% | — | $205.2M |
| MUMicron Technology Inc | 23.6% | — | $144.3M |
| TSLATesla Inc | 20.7% | — | $126.2M |
| AMZNAmazon Com Inc | 5.9% | — | $35.8M |
| GABGabelli Equity Tr Inc | 5.2% | +1409.9% | $31.4M |
| CLBKColumbia Finl Inc | 4.4% | +155.2% | $27.1M |
| NVDANvidia Corporation | 3.3% | — | $20.0M |
| EOSEEos Energy Enterprises, Inc. | 1.2% | — | $7.3M |
| NFBKNorthfield Bancorp Inc Del | 1.0% | +300.0% | $5.9M |
| IBITIshares Bitcoin Trust ETF | 0.4% | +9.4% | $2.5M |
| ATUSOptimum Communications Inc | 0.3% | — | $2.0M |
| WHLRPWheeler Real Estate Invt Tr | 0.3% | +0.6% | $1.6M |
| SSTKShutterstock Inc | 0.1% | — | $309K |
| RMAXRe/max Hldgs Inc | 0.0% | — | $247K |
| PLUGPlug Pwr Inc | 0.0% | — | $203K |
| INMInMed Pharmaceuticals Inc | 0.0% | — | $195K |
| CSIQCanadian Solar Inc | 0.0% | — | $160K |
| PSKYParamount Skydance Corp | 0.0% | — | $99K |
| SPCEVirgin Galactic Holdings Inc | 0.0% | — | $72K |
| GETYQGetty Images Holdings Inc | 0.0% | — | $38.00 |
What Ursa Fund Management, LLC bought and sold in Q2 2026, against Q1 2026.
New positions
- MSFT Microsoft Corp33.6% of 13F
- MU Micron Technology Inc23.6% of 13F
- TSLA Tesla Inc20.7% of 13F
- AMZN Amazon Com Inc5.9% of 13F
- NVDA Nvidia Corporation3.3% of 13F
- EOSE Eos Energy Enterprises, Inc.1.2% of 13F
- ATUS Optimum Communications Inc0.3% of 13F
- SSTK Shutterstock Inc0.1% of 13F
Added to
- GAB Gabelli Equity Tr Inc+1409.9% shares
- NFBK Northfield Bancorp Inc Del+300.0% shares
- CLBK Columbia Finl Inc+155.2% shares
- IBIT Ishares Bitcoin Trust ETF+9.4% shares
Reduced
No position shrank by more than 5%.
Sold out
- PEN Penumbra, Inc.was 35.2%
- SGOV Ishares Trwas 4.6%
- WIX Wix Com Ltdwas 4.1%
- CAF Morgan Stanley China A Sh Fdwas 3.8%
- PPLI People Incwas 3.1%
- Gabelli Equity Tr Incwas 0.6%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- —
- 3 years
- +2.1% /yr
- S&P 500 +18.0%
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $610.5M | 20 |
| Q1 2026 | $32.7M | 11 |
| Q4 2025 | $1.2B | 22 |
| Q3 2025 | $51.6M | 11 |
| Q2 2025 | $40.0M | 23 |
| Q1 2025 | $28.3M | 15 |
| Q4 2024 | $556.8M | 11 |
| Q3 2024 | $32.6M | 10 |
| Q2 2024 | $32.7M | 6 |
| Q1 2024 | $29.7M | 16 |
| Q4 2023 | $50.8M | 19 |
| Q3 2023 | $16.5M | 13 |
Questions about Ursa Fund Management, LLC's portfolio
What stocks does Ursa Fund Management, LLC own?
Ursa Fund Management, LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 20 positions worth $610.5M. The largest are Microsoft Corp (MSFT) at 33.6%, Micron Technology Inc (MU) at 23.6%, Tesla Inc (TSLA) at 20.7%, Amazon Com Inc (AMZN) at 5.9% and Gabelli Equity Tr Inc (GAB) at 5.2%.
What did Ursa Fund Management, LLC buy last quarter?
In Q2 2026, Ursa Fund Management, LLC added a new position in Microsoft Corp (MSFT), a new position in Micron Technology Inc (MU), a new position in Tesla Inc (TSLA), a new position in Amazon Com Inc (AMZN), a new position in Nvidia Corporation (NVDA), Gabelli Equity Tr Inc (GAB) (+1409.9% shares), Northfield Bancorp Inc Del (NFBK) (+300.0% shares) and Columbia Finl Inc (CLBK) (+155.2% shares), compared with its Q1 2026 filing.
What did Ursa Fund Management, LLC sell last quarter?
In Q2 2026, Ursa Fund Management, LLC sold all of Penumbra, Inc. (PEN), sold all of Ishares Tr (SGOV), sold all of Wix Com Ltd (WIX), sold all of Morgan Stanley China A Sh Fd (CAF) and sold all of People Inc (PPLI), compared with its Q1 2026 filing.
How has Ursa Fund Management, LLC's portfolio performed?
A portfolio copying Ursa Fund Management, LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +2.1% a year over the last 3 years, against +18.0% for the S&P 500.
When is Ursa Fund Management, LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. Ursa Fund Management, LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Ursa Fund Management, LLC manage?
Ursa Fund Management, LLC reported $1.2B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $610.5M.