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GBIO

Generation Bio

Delisted

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

111 hedge funds and large institutions have $306M invested in Generation Bio in 2022 Q3 according to their latest regulatory filings, with 28 funds opening new positions, 43 increasing their positions, 24 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

250% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 8

79% more repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 24

22% more funds holding

Funds holding: 91111 (+20)

0.08% more ownership

Funds ownership: 9.7%9.78% (+0.08%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

16% less capital invested

Capital invested by funds: $364M → $306M (-$57.2M)

Holders
111
Holders Change
+20
Holders Change %
+21.98%
% of All Funds
1.91%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
28
Increased
43
Reduced
24
Closed
8
Calls
$90K
Puts
Net Calls
+$90K
Net Calls Change
-$20K
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$47M +$1.81M +28,874 +3%
AVLSA
2
Atlas Venture Life Science Advisors
Massachusetts
$44M
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$39.3M -$9.61M -153,604 -17%
BG
4
Bellevue Group
Switzerland
$19.3M
BlackRock
5
BlackRock
New York
$19.2M +$714K +11,409 +3%
T. Rowe Price Investment Management
6
T. Rowe Price Investment Management
Maryland
$18.5M +$21.8M +348,262 New
PHS
7
PFM Health Sciences
California
$16M +$1.5M +24,040 +9%
AG
8
Artal Group
Luxembourg
$14.9M
FCM
9
Farallon Capital Management
California
$13.3M -$2.49M -39,730 -14%
Vanguard Group
10
Vanguard Group
Pennsylvania
$11.8M +$51.4K +821 +0.4%
YCM
11
Yiheng Capital Management
California
$5.3M -$10M -159,977 -62%
State Street
12
State Street
Massachusetts
$4.88M +$22.3K +356 +0.4%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$4.54M +$215K +3,443 +4%
GPP
14
Great Point Partners
Connecticut
$4.38M +$5.16M +82,508 New
Goldman Sachs
15
Goldman Sachs
New York
$4.33M +$3.77M +60,196 +282%
Bank of America
16
Bank of America
North Carolina
$3.22M +$3.66M +58,567 +2,817%
HMC
17
Harvard Management Company
Massachusetts
$2.71M
Morgan Stanley
18
Morgan Stanley
New York
$2.58M +$1.77M +28,306 +139%
JP Morgan Chase
19
JP Morgan Chase
New York
$2.43M -$1.16M -18,618 -29%
Northern Trust
20
Northern Trust
Illinois
$2.2M +$6.94K +111 +0.3%
UBS Group
21
UBS Group
Switzerland
$1.98M +$2.26M +36,186 +3,590%
BI
22
BVF Inc
California
$1.92M -$7.47M -119,421 -77%
N
23
Nuveen
North Carolina
$1.91M +$286K +4,577 +15%
Charles Schwab
24
Charles Schwab
California
$1.81M +$138K +2,203 +7%
Dimensional Fund Advisors
25
Dimensional Fund Advisors
Texas
$1.77M +$1.28M +20,483 +160%

GBIO Hedge Fund Activity: Q3 2022 in Review

111 of the 5,806 institutional investors tracked by Wall St. Rank reported a position in Generation Bio (GBIO) for Q3 2022, worth a combined $306M — down 16% from $364M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new GBIO positions and 8 closed out — a net gain of 20 holders — while 43 added to existing stakes and 24 trimmed.

The largest buyer was Great Point Partners, opening a new position worth an estimated $5.16M. The largest seller was Yiheng Capital Management, cutting an estimated $10M.

  • 111 institutional investors held Generation Bio (GBIO) as of Q3 2022, up from 91 in Q2 2022.
  • Funds reported $306M of Generation Bio stock for Q3 2022, down 16% quarter-over-quarter.
  • 28 funds opened new Generation Bio positions in Q3 2022 and 8 closed out, a net change of +20 holders.
  • The largest Generation Bio buyer in Q3 2022 was Great Point Partners, an estimated $5.16M added.
  • The largest Generation Bio seller in Q3 2022 was Yiheng Capital Management, an estimated $10M sold.

Based on aggregated 13F filings for Q3 2022.