FibroBiologics
FBLG
57 hedge funds and large institutions have $3.75M invested in FibroBiologics in 2025 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 14 increasing their positions, 15 reducing their positions, and 22 closing their positions.
0.1% less ownership
Funds ownership: 0.88% → 0.78% (-0.1%)
7% less repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 15
12% less funds holding
Funds holding: 65 → 57 (-8)
35% less capital invested
Capital invested by funds: $5.81M → $3.75M (-$2.06M)
36% less first-time investments, than exits
New positions opened: 14 | Existing positions closed: 22
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$433K |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$167K |
| 3 |
Jane Street
New York
|
+$86.7K |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$70.9K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$63.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$915K |
| 2 |
State Street
Boston,
Massachusetts
|
-$407K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
-$294K |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$168K |
| 5 |
Northern Trust
Chicago,
Illinois
|
-$142K |
FBLG Hedge Fund Activity: Q2 2025 in Review
57 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in FibroBiologics (FBLG) for Q2 2025, worth a combined $3.75M — down 35% from $5.81M a quarter earlier.
Sellers outnumbered buyers: 22 funds closed out of FBLG and 14 opened new positions — a net loss of 8 holders — while 15 trimmed existing stakes and 14 added.
The largest buyer was Millennium Management, opening a new position worth an estimated $433K. The largest seller was BlackRock, cutting an estimated $915K.
- 57 institutional investors held FibroBiologics (FBLG) as of Q2 2025, down from 65 in Q1 2025.
- Funds reported $3.75M of FibroBiologics stock for Q2 2025, down 35% quarter-over-quarter.
- 14 funds opened new FibroBiologics positions in Q2 2025 and 22 closed out, a net change of -8 holders.
- The largest FibroBiologics buyer in Q2 2025 was Millennium Management, an estimated $433K added.
- The largest FibroBiologics seller in Q2 2025 was BlackRock, an estimated $915K sold.
Based on aggregated 13F filings for Q2 2025.