FibroBiologics, Inc.

Historical 13F Holders

Symbol
FBLG
CUSIP
31573L105
All holders as of
Q4 2025
Type
Equity
Class
COM SHS
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 31573L105 since 12/18/2024, newest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A Amendment 2 2.0% 7/17/2025
Event 6/30/2025
Newlin Michael F. 13G 5.6% 6/6/2025
Event 8/9/2024
Pete O'Heeron 13G 18.2% 2/12/2025
Event 1/31/2024
BlackRock, Inc. 13G/A Amendment 1 5.1% 1/30/2025
Event 12/31/2024
BlackRock, Inc. 13G 5.1% 1/29/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2025 Q4 46 4.42 M $994 k
2025 Q3 55 5.39 M $3.28 M
2025 Q2 60 5.96 M $3.75 M
2025 Q1 66 6.42 M $5.81 M
2024 Q4 65 5.93 M $11.9 M
2024 Q3 63 5.47 M $16.8 M
2024 Q2 54 3.51 M $17.5 M
2024 Q1 19 503 k $5.43 M