Holders — by stockHoldings — by fund
Ursa Fund Management, LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001693838
$1.28B
disclosed book value
26
positions
16%
largest position share
Positions, as of 2026-06-30
top 38 of 26 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | MSFTMICROSOFT CORP | 550,000 | $205.2M | 16% |
| 2 | MSFTMICROSOFT CORPPUT | 550,000 | $205.2M | 16% |
| 3 | MUMICRON TECHNOLOGY INC | 125,000 | $144.3M | 11.3% |
| 4 | MUMICRON TECHNOLOGY INCPUT | 125,000 | $144.3M | 11.3% |
| 5 | TSLATESLA INC | 300,000 | $126.2M | 9.9% |
| 6 | TSLATESLA INCPUT | 300,000 | $126.2M | 9.9% |
| 7 | SPYSTATE STR SPDR S&P 500 ETF TPUT | 75,000 | $56.0M | 4.4% |
| 8 | AMZNAMAZON COM INC | 150,000 | $35.8M | 2.8% |
| 9 | AMZNAMAZON COM INCPUT | 150,000 | $35.8M | 2.8% |
| 10 | GABGABELLI EQUITY TR INC | 5.6M | $31.4M | 2.5% |
| 11 | COLUMBIA FINL INC | 1.3M | $27.1M | 2.1% |
| 12 | COLUMBIA FINL INCCALL | 944,900 | $20.1M | 1.6% |
| 13 | NVDANVIDIA CORPORATIONPUT | 100,000 | $20.0M | 1.6% |
| 14 | NVDANVIDIA CORPORATION | 100,000 | $20.0M | 1.6% |
| 15 | IWMISHARES TRPUT | 50,000 | $15.0M | 1.2% |
| 16 | KRESPDR SERIES TRUSTPUT | 163,200 | $12.2M | 1% |
| 17 | KRESPDR SERIES TRUSTCALL | 160,000 | $12.0M | 0.9% |
| 18 | EOSEEOS ENERGY ENTERPRISES INCPUT | 1.5M | $8.9M | 0.7% |
| 19 | EOSEEOS ENERGY ENTERPRISES INC | 1.2M | $7.3M | 0.6% |
| 20 | NORTHFIELD BANCORP INC DEL | 400,000 | $5.9M | 0.5% |
| 21 | RSPINVESCO EXCHANGE TRADED FD TCALL | 20,000 | $4.3M | 0.3% |
| 22 | BSXBOSTON SCIENTIFIC CORPCALL | 75,000 | $3.2M | 0.2% |
| 23 | IBITISHARES BITCOIN TRUST ETF | 74,400 | $2.5M | 0.2% |
| 24 | IBITISHARES BITCOIN TRUST ETFPUT | 70,000 | $2.3M | 0.2% |
| 25 | OPTUOPTIMUM COMMUNICATIONS INCPUT | 1.4M | $2.1M | 0.2% |
| 26 | OPTUOPTIMUM COMMUNICATIONS INC | 1.4M | $2.0M | 0.2% |
| 27 | WHLR 9 PERP BWHEELER REAL ESTATE INVT TR | 161,000 | $1.6M | 0.1% |
| 28 | QXOQXO INCCALL | 56,000 | $967,680 | 0.1% |
| 29 | SSTKSHUTTERSTOCK INC | 22,138 | $308,825 | 0% |
| 30 | RMAXRE/MAX HLDGS INC | 25,000 | $246,500 | 0% |
| 31 | COLUMBIA FINL INCPUT | 10,800 | $229,176 | 0% |
| 32 | PLUGPLUG PWR INC | 75,000 | $203,250 | 0% |
| 33 | INMINMED PHARMACEUTICALS INC | 125,800 | $194,990 | 0% |
| 34 | GETYGETTY IMAGES HOLDINGS INCPUT | 203,100 | $174,666 | 0% |
| 35 | CSIQCANADIAN SOLAR INC | 10,000 | $160,200 | 0% |
| 36 | PSKYPARAMOUNT SKYDANCE CORP | 10,000 | $98,600 | 0% |
| 37 | SPCEVIRGIN GALACTIC HOLDINGS INC | 25,000 | $72,250 | 0% |
| 38 | GETYGETTY IMAGES HOLDINGS INC | 44 | $38 | 0% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.