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.
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)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$60.5K |
| 2 |
Jane Street
New York
|
+$52.7K |
| 3 |
ANTB
AMG National Trust Bank
Greenwood Village,
Colorado
|
+$48.9K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$21.1K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$15.3K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LM
Luminus Management
Houston,
Texas
|
-$346K |
| 2 |
YAG
Yorkville Advisors Global
Mountainside,
New Jersey
|
-$278K |
| 3 |
LCM
Landscape Capital Management
Englewood,
New Jersey
|
-$191K |
| 4 |
GS
GTS Securities
New York
|
-$169K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$115K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
51
LPL Financial
San Diego,
California
| – | -$9.6K | -879 | Closed |
|
|
RCA
52
Runnymede Capital Advisors
Dublin,
Ohio
| – | -$5.46K | -500 | Closed |
|
53
Fidelity Investments
Boston,
Massachusetts
| – | -$655 | -60 | Closed |
|
54
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | -$63 | -9 | -9% |
|
|
EWA
55
EverSource Wealth Advisors
Birmingham,
Alabama
| – | -$28 | -3 | Closed |
|
56
Morgan Stanley
New York
| – | -$7 | -1 | Closed |
|
|
TWD
57
True Wealth Design
Akron,
Ohio
| – | -$6 | -1 | Closed |
|
|
AAP
58
Arax Advisory Partners
Denver,
Colorado
| – | -$1 | – | – |
|
|
IA
59
IFP Advisors
Tampa,
Florida
| – | -$1 | – | – |
|
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.