Ursa Fund Management, LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Ursa Fund Management, LLC reported 19 stock positions worth $608.9 million. Its top holding was Microsoft (MSFT) at 33.7% of the portfolio, followed by Micron Technology (MU, 23.7%) and Tesla (TSLA, 20.7%). Compared with Q1 2026, it opened 15 new positions, sold out of 5 and added to 4. The biggest buy was a new position in Microsoft (MSFT) and the biggest sale an exit from Penumbra (PEN).

Most Recent 13F
Q2 2026
Location
Danville, CA
CIK
0001693838
Portfolio Value
$608.9M (Q2 2026)
SEC Filing
0001693838-26-000004 ↗ filed Aug 14, 2026

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $28.5M Q1 2024 Q2 2024: $32.6M Q2 2024 Q3 2024: $32.4M Q3 2024 Q4 2024: $556.2M Q4 2024 Q1 2025: $28.2M Q1 2025 Q2 2025: $39.5M Q2 2025 Q3 2025: $50.7M Q3 2025 Q4 2025: $1.2B Q4 2025 Q1 2026: $31.4M Q1 2026 Q2 2026: $608.9M $608.9M Q2 2026

Holdings 19 stocks · $608.9M

MSFT Microsoft Corp. 33.70% 550,000 $205.2M New
MU Micron Technology Inc. 23.70% 125,000 $144.3M New
TSLA Tesla Inc. 20.72% 300,000 $126.2M New
AMZN Amazon.com Inc. 5.87% 150,000 $35.8M New
GAB Gabelli Equity Trust 5.16% 5,555,196 $31.4M Add +1409.9%
CLBK Columbia Financial Inc. 4.45% 1,275,888 $27.1M Add +155.2%
NVDA Nvidia Corp. 3.29% 100,000 $20.0M New
EOSE Eos Energy Enterprises Inc. 1.19% 1,235,459 $7.3M New
NFBK Northfield Bancorp Inc. 0.97% 400,000 $5.9M Add +300.0%
IBIT iShares Bitcoin Trust ETF 0.41% 74,400 $2.5M Add +9.4%
OPTU Optimum Communications Inc. Class A 0.34% 1,407,850 $2.0M New
SSTK Shutterstock Inc. 0.05% 22,138 $309K New
RMAX Re/Max Holdings Inc. Class A 0.04% 25,000 $247K New
PLUG Plug Power Inc. filed as PLUG PWR INC 0.03% 75,000 $203K New
INM Inmed Pharmaceuticals Inc. 0.03% 125,800 $195K New
CSIQ Canadian Solar Inc. 0.03% 10,000 $160K New
PSKY Paramount Skydance Class B 0.02% 10,000 $99K New
SPCE Virgin Galactic Holdings Inc. 0.01% 25,000 $72K New
GETY Getty Images Holdings Inc. 0.00% 44 $38 New

Options reported separately and not counted above: MSFT puts ($205.2M), MU puts ($144.3M), TSLA puts ($126.2M), SPY puts ($56.0M), AMZN puts ($35.8M), CLBK calls ($20.1M), NVDA puts ($20.0M), IWM puts ($15.0M), KRE puts ($12.2M), KRE calls ($12.0M), EOSE puts ($8.9M), RSP calls ($4.3M), and 6 more.

Other holdings (1): bonds, preferreds, convertibles and warrants · $1.6M (not counted above)
SecurityClassShares / PrincipalValueChange
WHEELER REIT INC (WHLR 9 PERP B) CV PFD SER B 161,000$1.6MAdd +0.6%

Total filed on the 13F, all lines: $610.5M.

Portfolio Sells Q1 2026 → Q2 2026

PEN Penumbra Inc. Sold out 0.00% −36.64
SGOV iShares 0-3 Month Treasury B Sold out 0.00% −4.81
WIX Wix.com Ltd. Sold out 0.00% −4.31
XCAFX Morgan Stanley China A Share Sold out 0.00% −3.91
PPLI People Inc. Sold out 0.00% −3.19

Portfolio Buys Q1 2026 → Q2 2026

MSFT Microsoft Corp. New 33.70% +33.70
MU Micron Technology Inc. New 23.70% +23.70
TSLA Tesla Inc. New 20.72% +20.72
AMZN Amazon.com Inc. New 5.87% +5.87
NVDA Nvidia Corp. New 3.29% +3.29
EOSE Eos Energy Enterprises Inc. New 1.19% +1.19
OPTU Optimum Communications Inc. Class A New 0.34% +0.34
SSTK Shutterstock Inc. New 0.05% +0.05
RMAX Re/Max Holdings Inc. Class A New 0.04% +0.04
PLUG Plug Power Inc. New 0.03% +0.03
INM Inmed Pharmaceuticals Inc. New 0.03% +0.03
CSIQ Canadian Solar Inc. New 0.03% +0.03
PSKY Paramount Skydance Class B New 0.02% +0.02
SPCE Virgin Galactic Holdings Inc. New 0.01% +0.01
GETY Getty Images Holdings Inc. New 0.00% 0.00
GAB Gabelli Equity Trust Add +1409.9% 5.16% −1.41
NFBK Northfield Bancorp Inc. Add +300.0% 0.97% −3.35
IBIT iShares Bitcoin Trust ETF Add +9.4% 0.41% −7.92
CLBK Columbia Financial Inc. Add +155.2% 4.45% −23.47

Options Activity Q1 2026 → Q2 2026

MSFT Microsoft Corp. put New 550,000 $205.2M
MU Micron Technology Inc. put New 125,000 $144.3M
TSLA Tesla Inc. put New 300,000 $126.2M
SPY SS SPDR S&P 500 ETF Trust-US put Add +50.0% 75,000 $56.0M
AMZN Amazon.com Inc. put New 150,000 $35.8M
CLBK Columbia Financial Inc. call New 944,900 $20.1M
NVDA Nvidia Corp. put New 100,000 $20.0M
PEN Penumbra Inc. put Sold out 49,800 $16.4Mbefore exit
IWM iShares Russell 2000 ETF put Add +66.7% 50,000 $15.0M
KRE SS SPDR S&P Regional Bank put Add +63.2% 163,200 $12.2M
KRE SS SPDR S&P Regional Bank call Add +60.0% 160,000 $12.0M
EOSE Eos Energy Enterprises Inc. put New 1,508,500 $8.9M
RSP Invesco S&P 500 Equal Weight call New 20,000 $4.3M
BSX Boston Scientific Corp. call New 75,000 $3.2M
IBIT iShares Bitcoin Trust ETF put New 70,000 $2.3M
OPTU Optimum Communications Inc. Class A put New 1,447,800 $2.1M
WIX Wix.com Ltd. put Sold out 20,000 $1.8Mbefore exit
XCAFX Morgan Stanley China A Share put Sold out 60,100 $1.8Mbefore exit
WOLF Wolfspeed Inc. call Sold out 100,300 $1.6Mbefore exit
QXO Qxo Inc. call New 56,000 $968K
HAPN Happen Inc. call Sold out 20,000 $286Kbefore exit
CLBK Columbia Financial Inc. put New 10,800 $229K
GETY Getty Images Holdings Inc. put New 203,100 $175K

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

Notes & Other Activity Q1 2026 → Q2 2026

WHEELER REIT INC (WHLR 9 PERP B) CV PFD SER B Add +0.6% 161,000 $1.6M
GABELLI EQUITY TRUST-RT RIGHT 04/14/2026 Sold out 29,991,406 $210Kbefore exit

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 19$608.9MMSFT, MU, TSLA, AMZN, GAB
Q1 2026 9$31.4MPEN, CLBK, IBIT, GAB, SGOV
Q4 2025 21$1.2BMSFT, AAPL, JPM, NVDA, AMZN
Q3 2025 9$50.7MAIV, COOP, IBIT, FBTC, SRG
Q2 2025 21$39.5MKWEB, SKX, CRF, IBIT, CLM
Q1 2025 14$28.2MEQC, AB, LIONS GATE ENTMNT CORP, IBIT, FBTC
Q4 2024 9$556.2MMSFT, AAPL, MSTR, EQC, EDR
Q3 2024 8$32.4MSGOV, BOXX, EDR, SIRI, HHH
Q2 2024 5$32.6MSGOV, BOXX, STHO, LSXMK, SRG
Q1 2024 12$28.5MSRG, EDR, STHO, MANU, NLOP