BBLG · Bone Biologics Corp · Shareholders & Ownership
Substantial doubt about the company's ability to continue as a going concern.
“These factors raise substantial doubt about the Company's ability to continue as a going concern within one year after the date that the financial statements are issued.”View the 10-Q filed Aug 14, 2026
Every disclosed holder of BBLG in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns BBLG
13F quarter Jun 30, 2026| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 52,973 | 1.92% |
| Insiders (Forms 3, 4, 5) | 673 | 0.02% |
| 13D/G-only blocks | 213,775 | 7.76% |
| Remaining | 2,488,636 | 90.30% |
| Registered funds (N-PORT, not summed) | 8,466 | 0.31% |
Shares outstanding: 2,756,057, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of BBLG
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
199,251 | ||
| 2 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
Classes BBLG, BBLGW
|
50,277 | ||
| 3 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
7,810 | ||
| 4 |
|
7,181 | ||
| 5 |
|
5,697 | ||
| 6 |
Tower Research Capital LLC (TRC)
13F
CIK 1533421 · Unknown · Jun 30, 2026
|
1,953 | ||
| 7 |
|
1,646 | ||
| 8 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
656 | ||
| 9 |
UBS Group AG
13F
CIK 1610520 · Bank · Jun 30, 2026
|
513 | ||
| 10 |
|
360 | ||
| 11 |
|
313 | ||
| 12 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Jun 30, 2026
|
230 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.