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FibroBiologics
FBLG

45 hedge funds and large institutions have $994K invested in FibroBiologics in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 7 increasing their positions, 7 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 7

0.31% less ownership

Funds ownership: 0.64% → 0.33% (-0.31%)

13% less funds holding

Funds holding: 52 → 45 (-7)

54% less first-time investments, than exits

New positions opened: 6 | Existing positions closed: 13

70% less capital invested

Capital invested by funds: $3.28M → $994K (-$2.29M)

Holders
45
Holders Change
-7
Holders Change %
-13.46%
% of All Funds
0.55%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
7
Reduced
7
Closed
13
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$60.5K
2
Jane Street
Jane Street
New York
+$52.7K
3
ANTB
AMG National Trust Bank
Colorado
+$48.9K
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$21.1K
5
UBS Group
UBS Group
Switzerland
+$15.3K

Top Sellers

Rank Fund Capital Flow
1
LM
Luminus Management
Texas
-$346K
2
YAG
Yorkville Advisors Global
New Jersey
-$278K
3
LCM
Landscape Capital Management
New Jersey
-$191K
4
GS
GTS Securities
New York
-$169K
5
Citadel Advisors
Citadel Advisors
Florida
-$115K
Name Holding Trade Value Shares
Change 		Change in
Stake
Cetera Investment Advisers
26
Cetera Investment Advisers
Illinois
$4.05K – – –
NA
27
NewEdge Advisors
Louisiana
$3.8K – – –
Qube Research & Technologies (QRT)
28
Qube Research & Technologies (QRT)
United Kingdom
$3.79K -$4.62K -656 -44%
CWM
29
Cahaba Wealth Management
Georgia
$3.31K – – –
FAM
30
Flaharty Asset Management
Florida
$3.31K – – –
Point72 Asset Management
31
Point72 Asset Management
Connecticut
$3.26K +$5.1K +724 New
BIG
32
Brooklyn Investment Group
New York
$2.88K – – –
Goldman Sachs
33
Goldman Sachs
New York
$2.35K – – –
GAA
34
Global Assets Advisory
Florida
$2.35K -$85 -12 -2%
CAMG
35
CWA Asset Management Group
Florida
$2.25K – – –
Osaic Holdings
36
Osaic Holdings
Arizona
$1.32K -$704 -100 -25%
ICM
37
Islay Capital Management
Texas
$763 – – –
GBT
38
Grove Bank & Trust
Florida
$450 – – –
DEM
39
Disciplined Equity Management
Florida
$418 +$352 +50 New
BNP Paribas Financial Markets
40
BNP Paribas Financial Markets
France
$294 – – –
AF
41
Allworth Financial
California
$59 – – –
Wells Fargo
42
Wells Fargo
California
$45 – – –
Optiver Holding
43
Optiver Holding
Netherlands
$6 – – –
Deutsche Bank
44
Deutsche Bank
Germany
$4 – – –
YAG
45
Yorkville Advisors Global
New Jersey
– -$278K -25,489 Closed
LCM
46
Landscape Capital Management
New Jersey
– -$191K -17,500 Closed
GS
47
GTS Securities
New York
– -$169K -15,433 Closed
Citadel Advisors
48
Citadel Advisors
Florida
– -$115K -10,557 Closed
HF
49
HRT Financial
New York
– -$24K -2,207 Closed
LM
50
Luminus Management
Texas
– -$346K -1,331 Closed
1
2
3

FBLG Hedge Fund Activity: Q4 2025 in Review

45 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in FibroBiologics (FBLG) for Q4 2025, worth a combined $994K — down 70% from $3.28M a quarter earlier.

Sellers outnumbered buyers: 13 funds closed out of FBLG and 6 opened new positions — a net loss of 7 holders — while 7 trimmed existing stakes and 7 added.

The largest buyer was Renaissance Technologies, adding an estimated $60.5K. The largest seller was Luminus Management, exiting entirely with an estimated $346K sold.

  • 45 institutional investors held FibroBiologics (FBLG) as of Q4 2025, down from 52 in Q3 2025.
  • Funds reported $994K of FibroBiologics stock for Q4 2025, down 70% quarter-over-quarter.
  • 6 funds opened new FibroBiologics positions in Q4 2025 and 13 closed out, a net change of -7 holders.
  • The largest FibroBiologics buyer in Q4 2025 was Renaissance Technologies, an estimated $60.5K added.
  • The largest FibroBiologics seller in Q4 2025 was Luminus Management, an estimated $346K sold.

Based on aggregated 13F filings for Q4 2025.