19 institutions reported holding $1.8M of CALLAN JMB INC (CJMB) in SEC 13F filings for 2026-03-31. Largest institutional holders: Qsemble Capital Management, LP ($1.0M), Creative Planning ($319,616), BARD ASSOCIATES INC ($306,853), JANE STREET GROUP, LLC ($35,329), GEODE CAPITAL MANAGEMENT, LLC ($28,710). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Qsemble Capital Management, LP | $1.0M | 4,828 | New |
| 2 | Creative Planning | $319,616 | 255,693 | Added |
| 3 | BARD ASSOCIATES INC | $306,853 | 245,482 | Trimmed |
| 4 | JANE STREET GROUP, LLC | $35,329 | 28,263 | New |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $28,710 | 22,969 | Added |
| 6 | HRT FINANCIAL LP | $23,000 | 18,715 | New |
| 7 | HighTower Advisors, LLC | $15,625 | 12,500 | Hold |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $8,330 | 6,664 | New |
| 9 | VANGUARD FIDUCIARY TRUST CO | $2,590 | 2,072 | New |
| 10 | Tower Research Capital LLC (TRC) | $2,588 | 2,070 | Trimmed |
| 11 | UBS Group AG | $2,043 | 1,634 | New |
| 12 | Caitong International Asset Management Co., Ltd | $2 | 2 | New |
| 13 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 14 | Financial Plan, Inc. | $0 | 0 | Exited |
| 15 | MORGAN STANLEY | $0 | 0 | Exited |
| 16 | Cable Car Capital, LP | $0 | 0 | Exited |
| 17 | RENAISSANCE TECHNOLOGIES LLC | $0 | 0 | Exited |
| 18 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 19 | DRW Securities, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31