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, Q3 2025
Institutional positions in FibroBiologics, Inc. as of Sep 30, 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
- 55
- −4 vs. Q2 2025
- Shares held
- 5.39M
- −566.6K (−9.5%) vs. Q2 2025
- Total value
- $2.93M
- −$812.8K (−21.7%) vs. Q2 2025
- New holders
- 9
- 9 more added
- Sold out
- 13
- 20 more reduced
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding FibroBiologics, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 259 | $0 | 0.00% | −3,361−92.8% | Reduced |
| Barclays PLC | 1 | $1 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 2 | $1 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 2 | $1 | 0.00% | +2 | New |
| True Wealth Design, LLC | 10 | $6 | 0.00% | −182−94.8% | Reduced |
| Morgan Stanley | 13 | $7 | 0.00% | −6,191−99.8% | Reduced |
| Deutsche Bank AG | 18 | $10 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 26 | $14 | 0.00% | +26 | New |
| EverSource Wealth Advisors, LLC | 52 | $28 | 0.00% | −70−57.4% | Reduced |
| Wells Fargo & Company | 200 | $109 | 0.00% | −525−72.4% | Reduced |
| Allworth Financial LP | 261 | $143 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,200 | $655 | 0.00% | −2,096−63.6% | Reduced |
| BNP Paribas Arbitrage, SA | 1,306 | $713 | 0.00% | −412−24.0% | Reduced |
| Royal Bank of Canada | 2,010 | $1.00K | 0.00% | +114+6.0% | Added |
| Grove Bank & Trust | 2,000 | $1.09K | 0.00% | 00.0% | Unchanged |
| Islay Capital Management, LLC | 3,391 | $1.85K | 0.00% | +2,941+653.6% | Added |
| Advisor Group Holdings, Inc. | 8,000 | $4.82K | 0.00% | 00.0% | Unchanged |
| CWA Asset Management Group, LLC | 10,000 | $5.46K | 0.00% | +10,000 | New |
| Runnymede Capital Advisors, Inc. | 10,000 | $5.46K | 0.00% | +10,000 | New |
| Goldman Sachs Group Inc | 10,468 | $5.72K | 0.00% | −121,074−92.0% | Reduced |
| Global Assets Advisory, LLC | 10,700 | $5.84K | 0.00% | +10,700 | New |
| Skopos Labs, Inc. | 11,500 | $7.11K | 0.00% | 00.0% | Unchanged |
| Flaharty Asset Management, LLC | 14,702 | $8.03K | 0.00% | 00.0% | Unchanged |
| Cahaba Wealth Management, Inc. | 14,702 | $8.03K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 16,906 | $9.23K | 0.00% | −6,000−26.2% | Reduced |
| Tower Research Capital LLC (TRC) | 16,962 | $9.27K | 0.00% | +1,742+11.4% | Added |
| LPL Financial LLC | 17,570 | $9.60K | 0.00% | +5,000+39.8% | Added |
| Cetera Investment Advisers | 18,006 | $9.84K | 0.00% | −1,000−5.3% | Reduced |
| Raymond James Financial Inc | 18,642 | $10.2K | 0.00% | 00.0% | Unchanged |
| Ethos Financial Group, LLC | 24,424 | $13.3K | 0.00% | −24,424−50.0% | Reduced |
| Qube Research & Technologies Ltd | 29,966 | $16.4K | 0.00% | −4,126−12.1% | Reduced |
| Concurrent Investment Advisors, LLC | 35,283 | $19.3K | 0.00% | 00.0% | Unchanged |
| RMR Wealth Builders | 38,360 | $21.0K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 44,145 | $24.0K | 0.00% | +6,343+16.8% | Added |
| Saxon Interests, Inc. | 41,214 | $24.3K | 0.01% | +20,000+94.3% | Added |
| Northern Trust Corp | 47,674 | $26.0K | 0.00% | −438−0.9% | Reduced |
| Bank of America Corp | 48,175 | $26.3K | 0.00% | +425+0.9% | Added |
| Renaissance Technologies LLC | 59,800 | $32.7K | 0.00% | +59,800 | New |
| UBS Group AG | 77,434 | $42.3K | 0.00% | −32,840−29.8% | Reduced |
| American Institute for Advanced Investment Management, LLP | 88,206 | $48.2K | 0.03% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 100,000 | $54.6K | 0.00% | +30,000+42.9% | Added |
| Requisite Capital Management, LLC | 109,713 | $59.9K | 0.01% | 00.0% | Unchanged |
| Optivise Advisory Services LLC | 110,100 | $60.1K | 0.04% | 00.0% | Unchanged |
| State Street Corp | 111,300 | $60.8K | 0.00% | −4,200−3.6% | Reduced |
| Cerity Partners LLC | 125,919 | $68.8K | 0.00% | −2,190−1.7% | Reduced |
| Citadel Advisors LLC | 211,139 | $115.3K | 0.00% | −22,230−9.5% | Reduced |
| Geode Capital Management, LLC | 288,948 | $157.9K | 0.00% | 00.0% | Unchanged |
| Cascade Financial Partners, LLC | 298,081 | $162.8K | 0.02% | +7,500+2.6% | Added |
| GTS Securities LLC | 308,661 | $168.5K | 0.01% | +308,661 | New |
| Landscape Capital Management, L.L.C. | 350,000 | $191.2K | 0.01% | +350,000 | New |
| BlackRock, Inc. | 439,773 | $240.2K | 0.00% | −311,125−41.4% | Reduced |
| Millennium Management LLC | 446,208 | $243.7K | 0.00% | −34,437−7.2% | Reduced |
| Yorkville Advisors Global, LP | 509,787 | $278.4K | 0.11% | −334,316−39.6% | Reduced |
| Vanguard Group Inc | 1,233,781 | $673.6K | 0.00% | 00.0% | Unchanged |
| Luminus Management LLC | 26,629 | – | – | +26,629 | New |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −106,100−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −96,110−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −78,618−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −59,539−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −52,217−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −45,945−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −16,494−100.0% | Sold out |
| Hantz Financial Services, Inc. | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −1,844−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −202−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −171−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |