Sphere 3D Corp.
13F holders, Q3 2025 (September 30)19holders −6
3new positions
9sold out
1famous investor
$0.73avg. 13F price*
At the end of Q3 2025, 19 institutions reported holding Sphere 3D Corp. in their 13F filings, down 6 from Q2 2025. 3 opened new positions and 9 sold out. The largest holders were Vanguard Group Inc. ($350K), Citadel Advisors ($209K) and Susquehanna International Group, LLP ($80K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Sphere 3D Corp.
- CUSIP
- 84841L407
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $29K |
| Exits | 9 | $1.2M |
All 13F filers, Q2 2025 → Q3 2025: 167,897 shares bought and 2,688,915 shares sold, net −2,521,018 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Vanguard Group Inc. | 0.00% | Add +5.8% | 476,110 | $350K |
| Citadel Advisors | 0.00% | Reduce -2.4% | 284,371 | $209K |
| Susquehanna International Group, LLP | 0.00% | Reduce -16.5% | 108,586 | $80K |
| BNP Paribas Financial Markets | 0.00% | Add +294.7% | 50,127 | $37K |
| Morgan Stanley | 0.00% | Add +281.0% | 39,073 | $29K |
| Group One Trading LLC | 0.00% | Add +109.9% | 36,561 | $27K |
| Integrity Wealth Advisors, Inc. | 0.01% | New | 28,209 | $21K |
| Simplex Trading, LLC | 0.00% | Add +203.2% | 26,220 | $19K |
| XTX Topco Ltd | 0.00% | Reduce -76.5% | 16,866 | $12K |
| UBS Group AG | 0.00% | Reduce -97.9% | 11,131 | $8K |
| Virtu Financial LLC | 0.00% | New | 10,510 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -34.9% | 5,155 | $4K |
| SBI Securities Co., Ltd. | 0.00% | No change | 2,064 | $2K |
| Bessemer Group Inc. | 0.00% | No change | 1,428 | $1K |
| National Bank of Canada | 0.00% | New | 142 | $103 |
| Atlantic Union Bankshares Corp | 0.00% | No change | 122 | $90 |
| Wells Fargo & Company | 0.00% | No change | 103 | $76 |
| Bank of America Corp. | 0.00% | Add +3.1% | 33 | $24 |
| Royal Bank of Canada | 0.00% | Reduce -51.8% | 132 | $0 |
"% of holder's portfolio" is SPHERE 3D CORP's weight in each manager's 13F, not the share of Sphere 3D Corp. the manager owns.