Generation Bio
GBIO
GBIO was delisted on the 6th of February, 2026.
78 hedge funds and large institutions have $57.1M invested in Generation Bio in 2024 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 24 increasing their positions, 19 reducing their positions, and 13 closing their positions.
26% more repeat investments, than reductions
Existing positions increased: 24 | Existing positions reduced: 19
23% more first-time investments, than exits
New positions opened: 16 | Existing positions closed: 13
4% more funds holding
Funds holding: 75 → 78 (+3)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.21% less ownership
Funds ownership: 8.28% → 8.06% (-0.21%)
58% less capital invested
Capital invested by funds: $136M → $57.1M (-$79.3M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JFG
Jefferies Financial Group
New York
|
+$4.03M |
| 2 |
Renaissance Technologies
New York
|
+$657K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$368K |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$287K |
| 5 |
Acadian Asset Management
Boston,
Massachusetts
|
+$259K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BG
Bellevue Group
Kuesnacht,
Switzerland
|
-$9.68M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$1.24M |
| 3 |
D.E. Shaw & Co
New York
|
-$255K |
| 4 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$138K |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$129K |
GBIO Hedge Fund Activity: Q4 2024 in Review
78 of the 7,597 institutional investors tracked by Wall St. Rank reported a position in Generation Bio (GBIO) for Q4 2024, worth a combined $57.1M — down 58% from $136M a quarter earlier.
Buyers outnumbered sellers: 16 funds opened new GBIO positions and 13 closed out — a net gain of 3 holders — while 24 added to existing stakes and 19 trimmed.
The largest buyer was Jefferies Financial Group, opening a new position worth an estimated $4.03M. The largest seller was Bellevue Group, exiting entirely with an estimated $9.68M sold.
- 78 institutional investors held Generation Bio (GBIO) as of Q4 2024, up from 75 in Q3 2024.
- Funds reported $57.1M of Generation Bio stock for Q4 2024, down 58% quarter-over-quarter.
- 16 funds opened new Generation Bio positions in Q4 2024 and 13 closed out, a net change of +3 holders.
- The largest Generation Bio buyer in Q4 2024 was Jefferies Financial Group, an estimated $4.03M added.
- The largest Generation Bio seller in Q4 2024 was Bellevue Group, an estimated $9.68M sold.
Based on aggregated 13F filings for Q4 2024.