8 institutions reported holding $3.8M of iShares iBonds Dec 2045 Term Treasury ETF (IBGB) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($866,755), JANE STREET GROUP, LLC ($768,720), INSIGNEO ADVISORY SERVICES, LLC ($740,780), Tower Research Capital LLC (TRC) ($503,606), BlackRock, Inc. ($365,709). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $866,755 | 35,551 | Added |
| 2 | JANE STREET GROUP, LLC | $768,720 | 31,530 | New |
| 3 | INSIGNEO ADVISORY SERVICES, LLC | $740,780 | 30,384 | New |
| 4 | Tower Research Capital LLC (TRC) | $503,606 | 20,656 | Added |
| 5 | BlackRock, Inc. | $365,709 | 15,000 | Hold |
| 6 | FLOW TRADERS U.S. LLC | $263,000 | 10,807 | Added |
| 7 | RAYMOND JAMES FINANCIAL INC | $248,219 | 10,181 | Trimmed |
| 8 | UBS Group AG | $8,509 | 349 | New |
Source: SEC Form 13F filings · as of 2026-06-30