FibroBiologics, Inc. - FBLG
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | No change | 1,216,341 | 273 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 67,665 | 89 | 0.0% | — | 2 | +67,665 | New | Q1 2026 | May 15, 2026 |
| Fund Evaluation Group, LLC | History | New | 51,794 | 68 | 0.0% | — | 3 | +51,794 | New | Q1 2026 | May 08, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 29,609 | 39 | 0.0% | 0.0% | 4 | -319,152 | -91.51% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Reduced | 24,647 | 32 | 0.0% | 0.0% | 5 | -457,754 | -94.89% | Q1 2026 | May 13, 2026 |
| Cascade Financial Partners, LLC | History | Reduced | 16,428 | 21 | 0.0% | 0.01% | 7 | -298,153 | -94.78% | Q1 2026 | May 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 15,997 | 21 | 0.0% | 0.0% | 6 | -215,603 | -93.09% | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 6,380 | 8 | 0.0% | — | 8 | +6,380 | New | Q1 2026 | May 08, 2026 |
| UBS Group AG | History | Reduced | 5,721 | 7 | 0.0% | 0.0% | 9 | -115,049 | -95.26% | Q1 2026 | May 05, 2026 |
| NewEdge Advisors, LLC | History | Reduced | 845 | 1 | 0.0% | 0.0% | 10 | -16,061 | -95.0% | Q1 2026 | Jun 02, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -288,496 | -100.0% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -149,763 | -100.0% | Q1 2026 | May 12, 2026 |
| AMG National Trust Bank | History | Closed out | 0 | 0 | — | 0.0% | — | -138,960 | -100.0% | Q1 2026 | May 04, 2026 |
| STATE STREET CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -111,300 | -100.0% | Q1 2026 | May 15, 2026 |
| Optivise Advisory Services LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -110,100 | -100.0% | Q1 2026 | Apr 15, 2026 |
| Requisite Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -109,713 | -100.0% | Q1 2026 | May 14, 2026 |
| &PARTNERS | History | Closed out | 0 | 0 | — | 0.0% | — | -100,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Cerity Partners LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -93,919 | -100.0% | Q1 2026 | May 15, 2026 |
| American Institute for Advanced Investment Management, LLP | History | Closed out | 0 | 0 | — | 0.01% | — | -88,206 | -100.0% | Q1 2026 | Apr 24, 2026 |
| SAXON INTERESTS, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -57,000 | -100.0% | Q1 2026 | Apr 29, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -48,176 | -100.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -47,674 | -100.0% | Q1 2026 | May 14, 2026 |
| RMR Wealth Builders | History | Closed out | 0 | 0 | — | 0.0% | — | -38,360 | -100.0% | Q1 2026 | Apr 22, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -37,919 | -100.0% | Q1 2026 | May 15, 2026 |
| Concurrent Investment Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -35,283 | -100.0% | Q1 2026 | Apr 20, 2026 |
| DRW Securities, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -33,348 | -100.0% | Q1 2026 | May 13, 2026 |
| Ethos Financial Group, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -24,424 | -100.0% | Q1 2026 | May 05, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,642 | -100.0% | Q1 2026 | May 14, 2026 |
| Cetera Investment Advisers | History | Closed out | 0 | 0 | — | 0.0% | — | -18,006 | -100.0% | Q1 2026 | May 13, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 460 | 0 | — | 0.0% | — | -17,649 | -97.46% | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -16,836 | -100.0% | Q1 2026 | May 15, 2026 |
| Flaharty Asset Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,702 | -100.0% | Q1 2026 | May 04, 2026 |
| CAHABA WEALTH MANAGEMENT, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -14,702 | -100.0% | Q1 2026 | Apr 29, 2026 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -14,476 | -100.0% | Q1 2026 | May 15, 2026 |
| Brooklyn Investment Group | History | Closed out | 0 | 0 | — | 0.0% | — | -11,500 | -100.0% | Q1 2026 | Apr 29, 2026 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,468 | -100.0% | Q1 2026 | May 15, 2026 |
| Global Assets Advisory, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,450 | -100.0% | Q1 2026 | May 01, 2026 |
| CWA Asset Management Group, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q1 2026 | Apr 20, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 154 | 0 | — | 0.0% | — | -5,846 | -97.43% | Q1 2026 | May 15, 2026 |
| ISLAY CAPITAL MANAGEMENT, LLC | History | Reduced | 169 | 0 | — | — | — | -3,222 | -95.02% | Q1 2026 | May 14, 2026 |
| Grove Bank & Trust | History | Closed out | 0 | 0 | — | — | — | -2,000 | -100.0% | Q1 2026 | Apr 08, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 186 | 0 | — | — | — | -1,656 | -89.9% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 66 | 0 | — | — | — | -1,240 | -94.95% | Q1 2026 | May 12, 2026 |
| Disciplined Equity Management, Inc. | History | Closed out | 0 | 0 | — | — | — | -1,000 | -100.0% | Q1 2026 | Apr 28, 2026 |
| Vanguard Global Advisers, LLC | History | New | 536 | 0 | — | — | — | +536 | New | Q1 2026 | May 08, 2026 |
| Allworth Financial LP | History | Reduced | 13 | 0 | — | — | — | -248 | -95.02% | Q1 2026 | May 14, 2026 |
| Western Wealth Management, LLC | History | New | 200 | 0 | — | — | — | +200 | New | Q1 2026 | May 19, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 10 | 0 | — | — | — | -190 | -95.0% | Q1 2026 | May 11, 2026 |
| Optiver Holding B.V. | History | Closed out | 0 | 0 | — | — | — | -26 | -100.0% | Q1 2026 | Jun 02, 2026 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | — | — | -18 | -100.0% | Q1 2026 | May 06, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q1 2026 | May 14, 2026 |