Investor
Ursa Fund Management, LLC
CIK 0001693838 · filed 2026-05-15 · SEC filing
13F book
$107.5M
Positions
11
8 new · 19 sold
Largest name
10.7%
Penumbra Inc · PEN
Est. mark
−$357.6K
Price effect on 3 names still held. Flow −$1.13B.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Penumbra Inc | PEN | 35K | $11.5M | 10.7% | — | New |
| Columbia Finl Inc | — | 500K | $8.76M | 8.1% | — | New |
| Ishares Bitcoin Trust Etf | IBIT | 68K | $2.61M | 2.4% | −$642.4K | Added−$227.4K |
| Gabelli Equity Tr Inc | — | 367.9K | $2.06M | 1.9% | — | New |
| Ishares 0-3 Month | — | 15K | $1.51M | 1.4% | — | New |
| Northfield Bancorp Inc Del | — | 100K | $1.35M | 1.3% | — | New |
| Wix.com Ltd. | WIX | 15K | $1.35M | 1.3% | — | New |
| Morgan Stanley China A Sh Fd | — | 70.1K | $1.23M | 1.1% | — | New |
| Wheeler Real Estate Invt Tr | — | 160K | $1.11M | 1.0% | $261.5K | Added$340.8K |
| Iac Inc | PPLI | 25K | $1M | 0.9% | $23.2K | Cut−$1.93M |
| Gabelli Equity Tr Inc | — | 30M | $209.9K | 0.2% | — | New |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.