FibroBiologics, Inc.
FBLG- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001958777
No open-market purchases or sales by FibroBiologics, Inc. insiders were filed in the last 90 days; 16 institutions reported holding it in 13F filings for Q2 2026, worth $269.6K in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in FibroBiologics, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 65
- +2 vs. Q4 2024
- Shares held
- 6.42M
- +532.6K (+9.0%) vs. Q4 2024
- Total value
- $5.81M
- −$5.98M (−50.7%) vs. Q4 2024
- New holders
- 8
- 23 more added
- Sold out
- 6
- 13 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting FBLG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 16 | $269.6K |
| Q1 2026 | 17 | $291.1K |
| Q4 2025 | 46 | $993.8K |
| Q3 2025 | 55 | $2.93M |
| Q2 2025 | 59 | $3.75M |
| Q1 2025 | 65 | $5.81M |
| Q4 2024 | 64 | $11.9M |
| Q3 2024 | 61 | $16.8M |
| Q2 2024 | 50 | $17.2M |
| Q1 2024 | 17 | $5.18M |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding FibroBiologics, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,765,630 | $1.59M | 0.00% | −20,565−1.2% | Reduced |
| Vanguard Group Inc | 1,420,419 | $1.28M | 0.00% | +508,686+55.8% | Added |
| Geode Capital Management, LLC | 614,639 | $553.3K | 0.00% | +9,712+1.6% | Added |
| State Street Corp | 566,452 | $509.8K | 0.00% | −8,070−1.4% | Reduced |
| Cascade Financial Partners, LLC | 260,081 | $234.1K | 0.03% | −22,520−8.0% | Reduced |
| Northern Trust Corp | 206,115 | $185.5K | 0.00% | −9,298−4.3% | Reduced |
| UBS Group AG | 112,859 | $101.6K | 0.00% | −15,331−12.0% | Reduced |
| Optivise Advisory Services LLC | 110,100 | $99.1K | 0.06% | 00.0% | Unchanged |
| Requisite Capital Management, LLC | 109,713 | $98.7K | 0.02% | 00.0% | Unchanged |
| Cerity Partners LLC | 93,407 | $84.1K | 0.00% | +15,306+19.6% | Added |
| Bank of America Corp | 92,039 | $82.8K | 0.00% | +2,187+2.4% | Added |
| American Institute for Advanced Investment Management, LLP | 88,206 | $79.4K | 0.06% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 75,000 | $67.5K | 0.00% | +50,000+200.0% | Added |
| Charles Schwab Investment Management Inc | 69,805 | $62.8K | 0.00% | +73+0.1% | Added |
| Goldman Sachs Group Inc | 68,626 | $61.8K | 0.00% | +4,050+6.3% | Added |
| Ethos Financial Group, LLC | 24,424 | $48.8K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 51,420 | $46.3K | 0.00% | +1,020+2.0% | Added |
| Citadel Advisors LLC | 48,225 | $43.4K | 0.00% | +48,225 | New |
| RMR Wealth Builders | 38,360 | $34.5K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 36,659 | $33.0K | 0.00% | −20,730−36.1% | Reduced |
| Concurrent Investment Advisors, LLC | 35,283 | $31.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 35,203 | $31.7K | 0.00% | +22,259+172.0% | Added |
| Nuveen, LLC | 34,540 | $31.1K | 0.00% | +34,540 | New |
| AQR Capital Management LLC | 32,227 | $29.0K | 0.00% | +32,227 | New |
| ERn Financial, LLC | 31,819 | $28.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 29,712 | $26.7K | 0.00% | −13,582−31.4% | Reduced |
| Rhumbline Advisers | 23,356 | $21.0K | 0.00% | +1,784+8.3% | Added |
| GWM Advisors LLC | 22,906 | $20.6K | 0.00% | −3,000−11.6% | Reduced |
| Intech Investment Management LLC | 22,002 | $19.8K | 0.00% | +9,349+73.9% | Added |
| Saxon Interests, Inc. | 21,214 | $19.1K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 20,524 | $18.0K | 0.00% | +20,524 | New |
| Citigroup Inc | 19,480 | $17.5K | 0.00% | −2,414−11.0% | Reduced |
| JPMorgan Chase & Co | 19,367 | $17.4K | 0.00% | +6,374+49.1% | Added |
| Raymond James Financial Inc | 18,642 | $16.8K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 17,669 | $15.9K | 0.00% | +17,669 | New |
| Cetera Investment Advisers | 17,135 | $15.4K | 0.00% | +4,035+30.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 16,627 | $15.0K | 0.00% | +702+4.4% | Added |
| Flaharty Asset Management, LLC | 14,702 | $13.2K | 0.00% | 00.0% | Unchanged |
| Cahaba Wealth Management, Inc. | 14,702 | $13.2K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 13,396 | $12.1K | 0.00% | −200−1.5% | Reduced |
| Wells Fargo & Company | 13,266 | $11.9K | 0.00% | +289+2.2% | Added |
| Invesco Ltd. | 12,659 | $11.4K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 12,318 | $11.1K | 0.00% | +2,257+22.4% | Added |
| Skopos Labs, Inc. | 11,500 | $10.3K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 9,584 | $8.63K | 0.00% | +4,960+107.3% | Added |
| Hantz Financial Services, Inc. | 8,000 | $7.00K | 0.00% | +8,000 | New |
| FMR LLC | 6,478 | $5.83K | 0.00% | +240+3.8% | Added |
| Advisor Group Holdings, Inc. | 5,500 | $4.95K | 0.00% | −29,312−84.2% | Reduced |
| STRS Ohio | 4,700 | $4.23K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 4,103 | $3.69K | 0.00% | +3,496+575.9% | Added |
| CWM, LLC | 3,233 | $3.00K | 0.00% | +3,110+2,528.5% | Added |
| New York State Common Retirement Fund | 2,900 | $2.61K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,816 | $2.54K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 2,602 | $2.34K | 0.00% | +1,085+71.5% | Added |
| Ameritas Investment Partners, Inc. | 2,493 | $2.24K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 2,394 | $2.15K | 0.00% | −1,303−35.2% | Reduced |
| California State Teachers Retirement System | 2,153 | $1.94K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 2,000 | $1.80K | 0.00% | +1,000+100.0% | Added |
| Royal Bank of Canada | 1,161 | $1.00K | 0.00% | −2,811−70.8% | Reduced |
| Amalgamated Bank | 880 | $1.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 261 | $337 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 196 | $176 | 0.00% | +156+390.0% | Added |
| EverSource Wealth Advisors, LLC | 154 | $139 | 0.00% | +154 | New |
| True Wealth Design, LLC | 141 | $127 | 0.00% | +141 | New |
| Sterling Capital Management LLC | 26 | $23 | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −61,074−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −40,404−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −14,862−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,102−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −5,385−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |