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. Each filer's latest filing for 31573L105 since 12/18/2024, largest first.

Filer % of Class Filed
Pete O'Heeron 13G 18.2% 2/12/2025
Event 1/31/2024
Newlin Michael F. 13G 5.6% 6/6/2025
Event 8/9/2024
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
BlackRock, Inc. 13G/A 2.0% 7/17/2025
Event 6/30/2025

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