103 institutions reported holding $58.0M of ALT5 SIGMA (JAN) in SEC 13F filings for 2026-03-31. Largest institutional holders: CRCM LP ($14.0M), Diametric Capital, LP ($6.9M), VANGUARD CAPITAL MANAGEMENT LLC ($6.1M), PRELUDE CAPITAL MANAGEMENT, LLC ($3.3M), BlackRock, Inc. ($3.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CRCM LP | $14.0M | 12.6M | Added |
| 2 | Diametric Capital, LP | $6.9M | 6.2M | Trimmed |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $6.1M | 5.5M | New |
| 4 | PRELUDE CAPITAL MANAGEMENT, LLC | $3.3M | 3.0M | Trimmed |
| 5 | BlackRock, Inc. | $3.1M | 2.8M | Trimmed |
| 6 | ExodusPoint Capital Management, LP | $2.5M | 2.3M | Hold |
| 7 | Hunting Hill Global Capital, LLC | $2.1M | 1.9M | New |
| 8 | UBS Group AG | $2.1M | 1.9M | Trimmed |
| 9 | CITADEL ADVISORS LLC | $1.8M | 1.7M | Trimmed |
| 10 | MILLENNIUM MANAGEMENT LLC | $1.7M | 1.5M | Added |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $1.7M | 1.5M | Added |
| 12 | Jump Financial, LLC | $1.1M | 1.0M | Hold |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.1M | 999,016 | Added |
| 14 | JANE STREET GROUP, LLC | $921,534 | 830,211 | Trimmed |
| 15 | VANGUARD FIDUCIARY TRUST CO | $858,867 | 773,754 | New |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $806,185 | 726,293 | Added |
| 17 | GOLDMAN SACHS GROUP INC | $788,490 | 710,351 | Added |
| 18 | BARCLAYS PLC | $674,107 | 607,304 | Trimmed |
| 19 | STATE STREET CORP | $580,526 | 522,996 | Trimmed |
| 20 | 683 Capital Management, LLC | $455,100 | 410,000 | Trimmed |
| 21 | SIMPLEX TRADING, LLC | $452,037 | 407,241 | Added |
| 22 | GROUP ONE TRADING LLC | $446,302 | 402,074 | Added |
| 23 | SG Americas Securities, LLC | $408,000 | 367,150 | Added |
| 24 | BANK OF AMERICA CORP /DE/ | $357,142 | 321,750 | Added |
| 25 | NORTHERN TRUST CORP | $301,208 | 271,359 | Added |
Source: SEC Form 13F filings · as of 2026-03-31