FibroBiologics, Inc. - Common Stock (FBLG)

Historical Holders from Q1 2024 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
FBLG on Nasdaq
Shares outstanding
37,544,900
Price per share
$0.2249
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
5,392,707
Total reported value
$3,279,712
% of total 13F portfolios
0%
Share change
-577,495
Value change
-$22,459
Avg buy value change
+0%
Avg sell value change
-0%
Number of holders
53
Price from insider filings
$0.3400
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of FibroBiologics, Inc. - Common Stock (FBLG) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
O'HEERON PETE 18% $6,186,799 6,951,459 Pete O'Heeron 31 Jan 2024
Newlin Michael F. 5.6% $1,857,322 2,134,853 Mike Newlin 09 Aug 2024
BlackRock, Inc. 2% -62% $653,281 -$900,708 750,898 -58% BlackRock, Inc. 30 Jun 2025
As of 30 Sep 2025, FibroBiologics, Inc. - Common Stock (FBLG) has 53 institutional shareholders filing 13F forms. They hold 5,392,707 shares. of 37,544,900 outstanding shares (14%) .

Top 25 institutional shareholders own 14% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 3.3% 1,233,781 0% 0% $673,645
Yorkville Advisors Global, LP 1.4% 509,787 -40% 0.11% $278,446
MILLENNIUM MANAGEMENT LLC 1.2% 446,208 -7.2% 0% $243,719
BlackRock, Inc. 1.2% 439,773 -41% 0% $240,204
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 0.93% 350,000 0.01% $191,170
GTS SECURITIES LLC 0.82% 308,661 0.01% $168,529
Cascade Financial Partners, LLC 0.79% 298,081 +2.6% 0.02% $162,812
GEODE CAPITAL MANAGEMENT, LLC 0.77% 288,948 0% 0% $157,911
CITADEL ADVISORS LLC 0.56% 211,139 -9.5% 0% $115,324
Cerity Partners LLC 0.34% 125,919 -1.7% 0% $68,777
STATE STREET CORP 0.3% 111,300 -3.6% 0% $60,792
Optivise Advisory Services LLC 0.29% 110,100 0% 0.04% $60,137
Requisite Capital Management, LLC 0.29% 109,713 0% 0.01% $59,925
&PARTNERS 0.27% 100,000 +43% 0% $54,620
American Institute for Advanced Investment Management, LLP 0.23% 88,206 0% 0.03% $48,178
UBS Group AG 0.21% 77,434 -30% 0% $42,279
RENAISSANCE TECHNOLOGIES LLC 0.16% 59,800 0% $32,663
BANK OF AMERICA CORP /DE/ 0.13% 48,175 +0.89% 0% $26,303
NORTHERN TRUST CORP 0.13% 47,674 -0.91% 0% $26,040
HRT FINANCIAL LP 0.12% 44,145 +17% 0% $24,000
SAXON INTERESTS, INC. 0.11% 41,214 +94% 0.01% $24,320
RMR Wealth Builders 0.1% 38,360 0% 0% $20,952
Concurrent Investment Advisors, LLC 0.09% 35,283 0% 0% $19,272
Qube Research & Technologies Ltd 0.08% 29,966 -12% 0% $16,367
LUMINUS MANAGEMENT LLC 0.07% 26,629 0.31% $345,768

Institutional Holders of FibroBiologics, Inc. - Common Stock (FBLG) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 26,702 $6,005 -$6 22.49% 3
2025 Q3 5,392,707 $3,279,712 -$22,459 54.62% 53
2025 Q2 5,970,614 $3,753,495 -$927,967 62.22% 58
2025 Q1 6,398,618 $5,759,296 +$306,125 90% 63
2024 Q4 5,924,974 $11,851,411 +$882,927 200% 63
2024 Q3 5,458,643 $16,806,260 +$3,237,995 309% 59
2024 Q2 3,440,451 $17,167,063 +$13,438,431 499% 50
2024 Q1 479,357 $5,180,994 +$5,008,952 1,081% 16