SPHERE 3D CORP NEW
COM NEW · CUSIP 84841L407
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $0.30. Options: 4 managers hold calls ($34.8k notional), 1 hold puts ($89).
Trends to Q4 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q2 2023 | 18 |
| Q3 2023 | 16 |
| Q4 2023 | 26 |
| Q1 2024 | 24 |
| Q2 2024 | 25 |
| Q3 2024 | 25 |
| Q4 2024 | 26 |
| Q1 2025 | 20 |
| Q2 2025 | 26 |
| Q3 2025 | 19 |
| Q4 2025 | 23 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 14 | 12 |
| Q2 2024 | 9 | 9 |
| Q3 2024 | 9 | 8 |
| Q4 2024 | 13 | 11 |
| Q1 2025 | 6 | 16 |
| Q2 2025 | 18 | 8 |
| Q3 2025 | 9 | 15 |
| Q4 2025 | 15 | 8 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2025 | $5.7k | $797 | 0.14 |
| Q2 2025 | $23.8k | $0 | 0.00 |
| Q3 2025 | $9.5k | $294 | 0.03 |
| Q4 2025 | $34.8k | $89 | 0.00 |
Biggest buyers
| ARMISTICE CAPITAL, LLC | New | +1.6m |
| Squarepoint Ops LLC | New | +381.2k |
| CITADEL ADVISORS LLC | Added | +344.9k |
| JANE STREET GROUP, LLC | New | +123.1k |
| XTX Topco Ltd | Added | +114.5k |
| BNP PARIBAS FINANCIAL MARKETS | Added | +72.0k |
| Virtu Financial LLC | Added | +56.9k |
| CITIGROUP INC | New | +34.3k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | +28.9k |
| HRT FINANCIAL LP | New | +25.1k |
Biggest sellers
| VANGUARD GROUP INC | Reduced | -35.7k |
| INTEGRITY WEALTH ADVISORS, INC. | Sold out | -28.2k |
| SIMPLEX TRADING, LLC | Reduced | -25.8k |
| GROUP ONE TRADING LLC | Reduced | -15.1k |
| UBS Group AG | Reduced | -8.4k |
| BESSEMER GROUP INC | Sold out | -1.4k |
| NATIONAL BANK OF CANADA /FI/ | Sold out | -142 |
| BANK OF AMERICA CORP /DE/ | Sold out | -33 |
Biggest calls
| INTEGRITY WEALTH ADVISORS, INC. | New | $20.2k68.0k shares |
| GROUP ONE TRADING LLC | Added | $7.1k23.7k shares |
| CITADEL ADVISORS LLC | Added | $4.7k15.7k shares |
| SIMPLEX TRADING, LLC | New | $2.8k9.4k shares |
Biggest puts
| GROUP ONE TRADING LLC | Reduced | $89300 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
No one currently above 5% in the filings since 19 Dec 2024.
Fell to 5% or below in the last year: BIGGER CAPITAL FUND L P (1.9%, 2026-04-22), ARMISTICE CAPITAL, LLC (5.0%, 2025-11-14)
Holders, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| ARMISTICE CAPITAL, LLC 0.01% of their portfolio | 1.6m $464.9k | New |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 629.3k $187.3k | Added +344.9k |
| VANGUARD GROUP INC 0.00% of their portfolio | 440.4k $131.2k | Reduced -35.7k |
| Squarepoint Ops LLC 0.00% of their portfolio | 381.2k $113.4k | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 137.5k $40.9k | Added +28.9k |
| XTX Topco Ltd 0.00% of their portfolio | 131.3k $39.1k | Added +114.5k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 123.1k $36.6k | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 122.1k $36.3k | Added +72.0k |
| Virtu Financial LLC 0.00% of their portfolio | 67.4k $20.0k | Added +56.9k |
| MORGAN STANLEY 0.00% of their portfolio | 50.7k $15.1k | Added +11.6k |
| CITIGROUP INC 0.00% of their portfolio | 34.3k $10.2k | New |
| HRT FINANCIAL LP 0.00% of their portfolio | 25.1k $7.0k | New |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 21.4k $6.4k | Reduced -15.1k |
| StoneX Group Inc. 0.00% of their portfolio | 17.6k $5.2k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 8.3k $2.5k | Added +3.1k |
| UBS Group AG 0.00% of their portfolio | 2.8k $824 | Reduced -8.4k |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 2.1k $614 | Unchanged |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 384 $114 | Reduced -25.8k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 274 $0 | Added +142 |
| Atlantic Union Bankshares Corp 0.00% of their portfolio | 122 $37 | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 103 $31 | Unchanged |
| MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV 0.00% of their portfolio | 96 $29 | First filing |
| TUCKER ASSET MANAGEMENT LLC 0.00% of their portfolio | 35 $10 | New |