DOSSIER · 13F Holders · Q3 2026
FBLG

FIBROBIOLOGICS INC

17 institutions still hold FIBROBIOLOGICS INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 31573L204·17 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$347K
visible holders
Holders
17
filers reporting
Concentration
29.69%
Cascade Financial Partners, LLC #1
top holder share
AI Holders Summary · Q3 2026

17 institutions reported FBLG in Q3 2026. Cascade Financial Partners, LLC leads at 29.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Cascade Financial Partners, LLC
CIK 0002021208
$103K109K0.01%Q2 2026
02
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$82K63K0.00%Q3 2026
03
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$50K39K0.00%Q3 2026
04
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$39K30K0.00%Q3 2026
05
IFP Advisors, Inc
CIK 0001641866
$35K27K0.00%Q3 2026
06
BlackRock, Inc.
CIK 0002012383
$24K18K0.00%Q3 2026
07
Tower Research Capital LLC (TRC)
CIK 0001533421
$4K5K0.00%Q2 2026
08
JONES FINANCIAL COMPANIES LLLP
CIK 0000815917
$3K3K0.00%Q3 2026
09
OSAIC HOLDINGS, INC.
CIK 0001677044
$3K2K0.00%Q3 2026
10
UBS Group AG
CIK 0001610520
$1K1K0.00%Q3 2026
11
ROYAL BANK OF CANADA
CIK 0001000275
$1K2K0.00%Q2 2026
12
Grove Bank & Trust
CIK 0001662212
$1301000.00%Q3 2026
13
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$83640.00%Q3 2026
14
BFC Planning, Inc.
CIK 0002160654
$65500.00%Q3 2026
15
BARCLAYS PLC
CIK 0000312069
$38290.00%Q3 2026
16
Allworth Financial LP
CIK 0001555170
$13130.00%Q3 2026
17
CITIGROUP INC
CIK 0000831001
$110.00%Q3 2026
Insiders at FIBROBIOLOGICS INC
Khoja Hamid →Niklas Victoria Ninon Olivia →Link Matthew →Cilento Richard C. Jr. →Hoffman Robert E. →Garcia Ruben A →Davis Jason →O'Heeron Pete →