Generation Bio
GBIO
GBIO was delisted on the 6th of February, 2026.
75 hedge funds and large institutions have $136M invested in Generation Bio in 2024 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 22 increasing their positions, 28 reducing their positions, and 7 closing their positions.
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.06% less ownership
Funds ownership: 8.34% → 8.28% (-0.06%)
3% less funds holding
Funds holding: 77 → 75 (-2)
13% less capital invested
Capital invested by funds: $156M → $136M (-$20M)
21% less repeat investments, than reductions
Existing positions increased: 22 | Existing positions reduced: 28
29% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 7
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BBA
Baker Bros. Advisors
New York
|
+$1.95M |
| 2 |
BlackRock
New York
|
+$322K |
| 3 |
Morgan Stanley
New York
|
+$167K |
| 4 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
+$132K |
| 5 |
Barclays
London,
United Kingdom
|
+$126K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AG
Artal Group
Luxembourg
|
-$7.98M |
| 2 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$1.41M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$429K |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
-$337K |
| 5 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$304K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
AG
76
Artal Group
Luxembourg
| – | -$7.98M | -283,059 | Closed |
|
|
77
Wellington Management Group
Boston,
Massachusetts
| – | -$337K | -11,936 | Closed |
|
78
Millennium Management
New York
| – | -$276K | -9,795 | Closed |
|
79
Citadel Advisors
Miami,
Florida
| – | -$140K | -4,948 | Closed |
|
|
CSS
80
Cubist Systematic Strategies
Stamford,
Connecticut
| – | -$53.7K | -1,905 | Closed |
|
|
SPA
81
Sherbrooke Park Advisers
White Plains,
New York
| – | -$31.5K | -1,116 | Closed |
|
82
Simplex Trading
Chicago,
Illinois
| – | -$450 | -17 | Closed |
|
|
CAL
83
Capital Advisors Ltd
Shaker Heights,
Ohio
| – | -$26 | -1 | -25% |
|
84
Carson Wealth (CWM LLC)
Omaha,
Nebraska
| – | +$53 | +2 | +67% |
|
GBIO Hedge Fund Activity: Q3 2024 in Review
75 of the 6,969 institutional investors tracked by Wall St. Rank reported a position in Generation Bio (GBIO) for Q3 2024, worth a combined $136M — down 13% from $156M a quarter earlier.
Sellers outnumbered buyers: 7 funds closed out of GBIO and 5 opened new positions — a net loss of 2 holders — while 28 trimmed existing stakes and 22 added.
The largest buyer was Baker Bros. Advisors, adding an estimated $1.95M. The largest seller was Artal Group, exiting entirely with an estimated $7.98M sold.
- 75 institutional investors held Generation Bio (GBIO) as of Q3 2024, down from 77 in Q2 2024.
- Funds reported $136M of Generation Bio stock for Q3 2024, down 13% quarter-over-quarter.
- 5 funds opened new Generation Bio positions in Q3 2024 and 7 closed out, a net change of -2 holders.
- The largest Generation Bio buyer in Q3 2024 was Baker Bros. Advisors, an estimated $1.95M added.
- The largest Generation Bio seller in Q3 2024 was Artal Group, an estimated $7.98M sold.
Based on aggregated 13F filings for Q3 2024.