19 institutions reported holding $473,763 of OLENOX INDUSTRIES INC (SGBX) in SEC 13F filings for 2026-03-31. Largest institutional holders: VANGUARD CAPITAL MANAGEMENT LLC ($87,999), XTX Topco Ltd ($68,184), GEODE CAPITAL MANAGEMENT, LLC ($58,772), Cygnus Capital Advisors, LLC ($58,000), MORGAN STANLEY ($52,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $87,999 | 84,614 | New |
| 2 | XTX Topco Ltd | $68,184 | 65,562 | New |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $58,772 | 56,512 | New |
| 4 | Cygnus Capital Advisors, LLC | $58,000 | 56,000 | New |
| 5 | MORGAN STANLEY | $52,000 | 50,000 | New |
| 6 | JANE STREET GROUP, LLC | $45,532 | 43,780 | Added |
| 7 | Virtu Financial LLC | $39,000 | 37,154 | New |
| 8 | UBS Group AG | $33,157 | 31,882 | Added |
| 9 | CITIGROUP INC | $13,136 | 12,631 | Trimmed |
| 10 | Vanguard Personalized Indexing Management, LLC | $10,857 | 10,439 | New |
| 11 | Tower Research Capital LLC (TRC) | $7,013 | 6,743 | New |
| 12 | BlackRock, Inc. | $111 | 107 | Hold |
| 13 | Caitong International Asset Management Co., Ltd | $1 | 1 | Trimmed |
| 14 | DANSKE BANK A/S | $1 | 1 | Hold |
| 15 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 16 | Engineers Gate Manager LP | $0 | 0 | Exited |
| 17 | Schonfeld Strategic Advisors LLC | $0 | 0 | Exited |
| 18 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 19 | Royal Bank of Canada | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31