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GBIO

Generation Bio

Delisted

GBIO was delisted on the 6th of February, 2026.

74 hedge funds and large institutions have $224M invested in Generation Bio in 2024 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 26 increasing their positions, 27 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

153% more capital invested

Capital invested by funds: $88.5M → $224M (+$135M)

0.15% more ownership

Funds ownership: 8.12%8.27% (+0.15%)

0% more funds holding

Funds holding: 7474 (0)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

0% more first-time investments, than exits

New positions opened: 12 | Existing positions closed: 12

4% less repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 27

Holders
74
Holders Change
Holders Change %
0%
% of All Funds
1.07%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
12
Increased
26
Reduced
27
Closed
12
Calls
$83K
Puts
Net Calls
+$83K
Net Calls Change
+$78K
Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$36.1M +$4.6M +195,219 +28%
AVLSA
2
Atlas Venture Life Science Advisors
Massachusetts
$33.7M
Fidelity Investments
3
Fidelity Investments
Massachusetts
$21.7M -$42.7K -1,814 -0.3%
BG
4
Bellevue Group
Switzerland
$15.7M +$576K +24,450 +7%
BlackRock
5
BlackRock
New York
$12.4M -$282K -11,957 -4%
Bank of America
6
Bank of America
North Carolina
$12.2M +$1.09M +46,175 +18%
AG
7
Artal Group
Luxembourg
$11.5M +$38.6K +1,640 +0.6%
Vanguard Group
8
Vanguard Group
Pennsylvania
$10.5M +$42.9K +1,821 +0.7%
EC
9
EcoR1 Capital
California
$8.33M
PHS
10
PFM Health Sciences
California
$6.6M
Deutsche Bank
11
Deutsche Bank
Germany
$5.09M +$45.3K +1,925 +2%
Goldman Sachs
12
Goldman Sachs
New York
$5.06M +$194K +8,258 +7%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$4.36M -$17.1K -727 -0.7%
State Street
14
State Street
Massachusetts
$3.93M +$100K +4,262 +5%
Morgan Stanley
15
Morgan Stanley
New York
$3.83M -$2.79M -118,635 -56%
UBS Group
16
UBS Group
Switzerland
$3.53M +$1.65K +70 +0.1%
Renaissance Technologies
17
Renaissance Technologies
New York
$2.71M -$58.6K -2,490 -4%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$2.05M -$421K -17,885 -26%
Acadian Asset Management
19
Acadian Asset Management
Massachusetts
$1.95M +$602K +25,547 +114%
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$1.81M +$378K +16,060 +57%
Charles Schwab
21
Charles Schwab
California
$1.58M +$18.3K +778 +2%
Northern Trust
22
Northern Trust
Illinois
$1.56M +$24K +1,020 +3%
Los Angeles Capital Management
23
Los Angeles Capital Management
California
$1.55M +$249K +10,583 +38%
BBA
24
Baker Bros. Advisors
New York
$1.51M +$874K +37,122 New
TD Asset Management
25
TD Asset Management
Ontario, Canada
$1.39M

GBIO Hedge Fund Activity: Q1 2024 in Review

74 of the 6,946 institutional investors tracked by Wall St. Rank reported a position in Generation Bio (GBIO) for Q1 2024, worth a combined $224M — up 153% from $88.5M a quarter earlier.

Fund positioning in GBIO was balanced in Q1 2024: 12 funds opened new positions, 12 closed out, 26 added to existing stakes and 27 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $4.6M. The largest seller was Morgan Stanley, cutting an estimated $2.79M.

  • 74 institutional investors held Generation Bio (GBIO) as of Q1 2024, unchanged from Q4 2023.
  • Funds reported $224M of Generation Bio stock for Q1 2024, up 153% quarter-over-quarter.
  • 12 funds opened new Generation Bio positions in Q1 2024 and 12 closed out, a net change of 0 holders.
  • The largest Generation Bio buyer in Q1 2024 was T. Rowe Price Associates, an estimated $4.6M added.
  • The largest Generation Bio seller in Q1 2024 was Morgan Stanley, an estimated $2.79M sold.

Based on aggregated 13F filings for Q1 2024.