| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| O'HEERON PETE | 18% | $6,186,799 | 6,951,459 | Pete O'Heeron | 31 Jan 2024 | |||
| Newlin Michael F. | 5.6% | $1,857,322 | 2,134,853 | Mike Newlin | 09 Aug 2024 | |||
| BlackRock, Inc. | 2% | -62% | $653,281 | -$900,708 | 750,898 | -58% | BlackRock, Inc. | 30 Jun 2025 |
As of 30 Sep 2025, 53 institutional investors reported holding 5,392,707 shares of FibroBiologics, Inc. - Common Stock (FBLG). This represents 14% of the company’s total 37,544,900 outstanding shares.
The largest institutional shareholders of FibroBiologics, Inc. - Common Stock (FBLG) together control 14% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 3.3% | 1,233,781 | 0% | 0% | $673,645 |
| Yorkville Advisors Global, LP | 1.4% | 509,787 | -40% | 0.11% | $278,446 |
| MILLENNIUM MANAGEMENT LLC | 1.2% | 446,208 | -7.2% | 0% | $243,719 |
| BlackRock, Inc. | 1.2% | 439,773 | -41% | 0% | $240,204 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 0.93% | 350,000 | 0.01% | $191,170 | |
| GTS SECURITIES LLC | 0.82% | 308,661 | 0.01% | $168,529 | |
| Cascade Financial Partners, LLC | 0.79% | 298,081 | +2.6% | 0.02% | $162,812 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.77% | 288,948 | 0% | 0% | $157,911 |
| CITADEL ADVISORS LLC | 0.56% | 211,139 | -9.5% | 0% | $115,324 |
| Cerity Partners LLC | 0.34% | 125,919 | -1.7% | 0% | $68,777 |
| STATE STREET CORP | 0.3% | 111,300 | -3.6% | 0% | $60,792 |
| Optivise Advisory Services LLC | 0.29% | 110,100 | 0% | 0.04% | $60,137 |
| Requisite Capital Management, LLC | 0.29% | 109,713 | 0% | 0.01% | $59,925 |
| &PARTNERS | 0.27% | 100,000 | +43% | 0% | $54,620 |
| American Institute for Advanced Investment Management, LLP | 0.23% | 88,206 | 0% | 0.03% | $48,178 |
| UBS Group AG | 0.21% | 77,434 | -30% | 0% | $42,279 |
| RENAISSANCE TECHNOLOGIES LLC | 0.16% | 59,800 | 0% | $32,663 | |
| BANK OF AMERICA CORP /DE/ | 0.13% | 48,175 | +0.89% | 0% | $26,303 |
| NORTHERN TRUST CORP | 0.13% | 47,674 | -0.91% | 0% | $26,040 |
| HRT FINANCIAL LP | 0.12% | 44,145 | +17% | 0% | $24,000 |
| SAXON INTERESTS, INC. | 0.11% | 41,214 | +94% | 0.01% | $24,320 |
| RMR Wealth Builders | 0.1% | 38,360 | 0% | 0% | $20,952 |
| Concurrent Investment Advisors, LLC | 0.09% | 35,283 | 0% | 0% | $19,272 |
| Qube Research & Technologies Ltd | 0.08% | 29,966 | -12% | 0% | $16,367 |
| LUMINUS MANAGEMENT LLC | 0.07% | 26,629 | 0.31% | $345,768 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 137,802 | $31,184 | +$412 | $0.22 | 5 |
| 2025 Q3 | 5,392,707 | $3,279,712 | -$22,459 | $0.55 | 53 |
| 2025 Q2 | 5,970,614 | $3,753,495 | -$927,967 | $0.62 | 58 |
| 2025 Q1 | 6,398,618 | $5,759,296 | +$306,125 | $0.90 | 63 |
| 2024 Q4 | 5,924,974 | $11,851,411 | +$882,927 | $2.00 | 63 |
| 2024 Q3 | 5,458,643 | $16,806,260 | +$3,237,995 | $3.09 | 59 |
| 2024 Q2 | 3,440,451 | $17,167,063 | +$13,438,431 | $4.99 | 50 |
| 2024 Q1 | 479,357 | $5,180,994 | +$5,008,952 | $10.81 | 16 |