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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.

Q4 2025 vs. Q3 2025

How the institutions holding FibroBiologics, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of FBLG: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders5546−9
Shares5.39M4.42M−975.7K (−18.1%)
Value$2.93M$993.8K−$1.94M (−66.1%)

New holders (6)

Institutions that held FibroBiologics, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to FBLG in Q4 2025
InstitutionSharesValue% of portfolio
Jane Street Group, LLC149,763$33.7K0.00%
AMG National Trust Bank138,960$31.3K0.00%
XTX Topco Ltd37,919$8.53K0.00%
DRW Securities, LLC33,348$7.50K0.00%
Point72 Asset Management, L.P.14,476$3.26K0.00%
Disciplined Equity Management, Inc.1,000$4180.00%

Sold out (15)

Institutions that held FibroBiologics, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of FBLG in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Yorkville Advisors Global, LP509,787$278.4K
Landscape Capital Management, L.L.C.350,000$191.2K
GTS Securities LLC308,661$168.5K
Citadel Advisors LLC211,139$115.3K
HRT Financial LP44,145$24.0K
LPL Financial LLC17,570$9.60K
Runnymede Capital Advisors, Inc.10,000$5.46K
FMR LLC1,200$655
EverSource Wealth Advisors, LLC52$28
Morgan Stanley13$7
True Wealth Design, LLC10$6
SRS Capital Advisors, Inc.2$1
IFP Advisors, Inc2$1
CWM, LLC259$0
Luminus Management LLC26,629–