Vault-13

Ursa Fund Management, LLC

Danville, CA · CIK 1693838 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 2017 · limited liability company

As an employer

$610.5m reported value +1767.7% vs Q1 2026
20positions
99.2%in top 10
15 new 5 added 0 reduced 6 sold out vs Q1 2026

Options: 5 call positions ($40.4m notional), 13 put positions ($628.3m notional) – listed below, not included above.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 MICROSOFT CORP COM MSFT MSFT 550,000 $205.2m33.61% 33.61% NewShares held: Q3 2025 0, Q4 2025 1.3m, Q1 2026 0, Q2 2026 550.0k
2 MICRON TECHNOLOGY INC COM MU MU 125,000 $144.3m23.64% 23.64% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 125.0k
3 TESLA INC COM TSLA TSLA 300,000 $126.2m20.67% 20.67% NewShares held: Q3 2025 0, Q4 2025 50.9k, Q1 2026 0, Q2 2026 300.0k
4 AMAZON COM INC COM AMZN AMZN 150,000 $35.8m5.86% 5.86% NewShares held: Q3 2025 0, Q4 2025 233.5k, Q1 2026 0, Q2 2026 150.0k
5 GABELLI EQUITY TR INC COM GAB GAB 5,555,196 $31.4m5.15% 5.15% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 367.9k, Q2 2026 5.6m +5.2m +5,187,272 1409.9%
6 COLUMBIA FINL INC COM COM 1,275,888 $27.1m4.43% 4.43% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 500.0k, Q2 2026 1.3m +775.9k +775,888 155.2%
7 NVIDIA CORPORATION COM NVDA NVDA 100,000 $20.0m3.28% 3.28% NewShares held: Q3 2025 0, Q4 2025 580.9k, Q1 2026 0, Q2 2026 100.0k
8 EOS ENERGY ENTERPRISES INC COM CL A EOSE EOSE 1,235,459 $7.3m1.19% 1.19% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 1.2m
9 NORTHFIELD BANCORP INC DEL COM COM 400,000 $5.9m0.97% 0.97% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 100.0k, Q2 2026 400.0k +300.0k +300,000 300.0%
10 ISHARES BITCOIN TRUST ETF SHS BEN INT IBIT IBIT 74,400 $2.5m0.41% 0.41% AddedShares held: Q3 2025 55.0k, Q4 2025 57.2k, Q1 2026 68.0k, Q2 2026 74.4k +6.4k +6,400 9.4%
11 ALTICE USA INC CL A OPTU OPTU 1,407,850 $2.0m0.33% 0.33% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 1.4m
12 WHEELER REAL ESTATE INVT TR CV PFD SER B WHLR 9 PERP B WHLR 9 PERP B 161,000 $1.6m0.26% 0.26% AddedShares held: Q3 2025 197.3k, Q4 2025 148.6k, Q1 2026 160.0k, Q2 2026 161.0k +1.0k +1,000 0.6%
13 SHUTTERSTOCK INC COM SSTK SSTK 22,138 $308.8k0.05% 0.05% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 22.1k
14 RE MAX HLDGS INC CL A RMAX RMAX 25,000 $246.5k0.04% 0.04% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 25.0k
15 PLUG POWER INC COM NEW PLUG PLUG 75,000 $203.2k0.03% 0.03% NewShares held: Q3 2025 200.0k, Q4 2025 0, Q1 2026 0, Q2 2026 75.0k
16 INMED PHARMACEUTICALS INC COM NEW INM INM 125,800 $195.0k0.03% 0.03% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 125.8k
17 CANADIAN SOLAR INC COM CSIQ CSIQ 10,000 $160.2k0.03% 0.03% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 10.0k
18 PARAMOUNT SKYDANCE CORP COM CL B SKYD SKYD 10,000 $98.6k0.02% 0.02% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 10.0k
19 VIRGIN GALACTIC HOLDINGS INC COM NEW SPCE SPCE 25,000 $72.2k0.01% 0.01% NewShares held: Q3 2025 50.0k, Q4 2025 0, Q1 2026 0, Q2 2026 25.0k
20 GETTY IMAGES HOLDINGS INC CL A COM GETYQ GETYQ 44 $380.00% 0.00% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 44

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
PENUMBRA INC PEN PEN 35,000 $11.5m35.0k shares
ISHARES TR SGOV SGOV 15,000 $1.5m15.0k shares
WIX COM LTD WIX WIX 15,000 $1.4m15.0k shares
MORGAN STANLEY CHINA A SH FD XCAFX XCAFX 70,100 $1.2m70.1k shares
IAC INC PPLI PPLI 25,000 $1.0m25.0k shares
GABELLI EQUITY TR INC GAB-R GAB-R 29,991,406 $209.9k30.0m shares

Options (notional value)

UnderlyingTickerTypeShares controlled NotionalChange
MICROSOFT CORP MSFT · Put MSFTPut 550,000 $205.2m550.0k shares New
MICRON TECHNOLOGY INC MU · Put MUPut 125,000 $144.3m125.0k shares New
TESLA INC TSLA · Put TSLAPut 300,000 $126.2m300.0k shares New
SPDR S&P 500 ETF TR SPY · Put SPYPut 75,000 $56.0m75.0k shares Added
AMAZON COM INC AMZN · Put AMZNPut 150,000 $35.8m150.0k shares New
COLUMBIA FINL INC Call Call 944,900 $20.1m944.9k shares New
NVIDIA CORPORATION NVDA · Put NVDAPut 100,000 $20.0m100.0k shares New
ISHARES TR IWM · Put IWMPut 50,000 $15.0m50.0k shares Added
SPDR SER TR KRE · Put KREPut 163,200 $12.2m163.2k shares Added
SPDR SER TR KRE · Call KRECall 160,000 $12.0m160.0k shares Added
EOS ENERGY ENTERPRISES INC EOSE · Put EOSEPut 1,508,500 $8.9m1.5m shares New
INVESCO EXCHANGE TRADED FD T RSP · Call RSPCall 20,000 $4.3m20.0k shares New
BOSTON SCIENTIFIC CORP BSX · Call BSXCall 75,000 $3.2m75.0k shares New
ISHARES BITCOIN TRUST ETF IBIT · Put IBITPut 70,000 $2.3m70.0k shares New
ALTICE USA INC OPTU · Put OPTUPut 1,447,800 $2.1m1.4m shares New
QXO INC QXO · Call QXOCall 56,000 $967.7k56.0k shares New
COLUMBIA FINL INC Put Put 10,800 $229.2k10.8k shares New
GETTY IMAGES HOLDINGS INC GETYQ · Put GETYQPut 203,100 $174.7k203.1k shares New