Institutional Ownership
Alt5 Sigma Corp
CUSIP 47089W104COMAIFCQ1 2026
13D / 13G Filings
18
Schedule 13D/13G on record
Beneficial Filers
11
Distinct reporting persons
Largest Stake
9.2%
Max % of class reported
Institutional Holders
86
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
18 filings · latest Feb 12, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 12, 2026 | Crcm LP | 13G/A | 8.7% | 10.94M | SEC |
| 2 | Feb 2, 2026 | Jane Street Group, LLC | 13G/A | 2.8% | 3.05M | SEC |
| 3 | Jan 27, 2026 | Soul Ventures Holdings Ltd | 13G/A | — | — | SEC |
| 4 | Nov 13, 2025 | Jane Street Group, LLC | 13G/A | 5.8% | 6.37M | SEC |
| 5 | Oct 30, 2025 | The Vanguard Group | 13G | 5.6% | 6.13M | SEC |
| 6 | Oct 27, 2025 | Crcm LP | 13G | 8.2% | 8.97M | SEC |
| 7 | Aug 26, 2025 | Soul Ventures Holdings Ltd | 13G | 9.2% | 11.33M | SEC |
| 8 | Aug 19, 2025 | Jane Street Group, LLC | 13G | 8.2% | 10.06M | SEC |
| 9 | Aug 19, 2025 | Citadel Advisors LLC | 13G | 0.2% | 282.6K | SEC |
| 10 | Aug 18, 2025 | Exoduspoint Capital Management, LP | 13G | 4.8% | 5.86M | SEC |
8 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Alt5 Sigma Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Crcm LP | 12.61M | $14.00M |
| 2 | Diametric Capital, LP | 6.20M | $6.88M |
| 3 | Prelude Capital Management, LLC | 2.95M | $3.27M |
| 4 | Blackrock, Inc. | 2.79M | $3.10M |
| 5 | Hunting Hill Global Capital, LLC | 1.92M | $2.14M |
| 6 | Ubs Group AG | 1.89M | $2.10M |
| 7 | Millennium Management LLC | 1.51M | $1.67M |
| 8 | Geode Capital Management, LLC | 1.49M | $1.66M |
| 9 | Citadel Advisors LLC | 1.41M | $1.57M |
| 10 | Jump Financial, LLC | 1.00M | $1.11M |