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GBIO

Generation Bio
GBIO

Delisted

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

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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: 91 → 111 (+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: 1 → 1 (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

Top Buyers

Rank Fund Capital Flow
1
GPP
Great Point Partners
Connecticut
+$5.16M
2
Goldman Sachs
Goldman Sachs
New York
+$3.77M
3
Bank of America
Bank of America
North Carolina
+$3.66M
4
UBS Group
UBS Group
Switzerland
+$2.26M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$1.81M

Top Sellers

Rank Fund Capital Flow
1
YCM
Yiheng Capital Management
California
-$10M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$9.61M
3
BI
BVF Inc
California
-$7.47M
4
FCM
Farallon Capital Management
California
-$2.49M
5
JP Morgan Chase
JP Morgan Chase
New York
-$1.16M
Name Holding Trade Value Shares
Change 		Change in
Stake
Renaissance Technologies
26
Renaissance Technologies
New York
$1.54M +$19.2K +307 +1%
HS
27
HighVista Strategies
Massachusetts
$1.32M – – –
TD Asset Management
28
TD Asset Management
Ontario, Canada
$1.18M +$134K +2,150 +10%
D.E. Shaw & Co
29
D.E. Shaw & Co
New York
$1.15M +$222K +3,542 +19%
Bank of New York Mellon
30
Bank of New York Mellon
New York
$878K +$122K +1,948 +13%
Manulife (Manufacturers Life Insurance)
31
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$778K -$3.5K -56 -0.4%
Jacobs Levy Equity Management
32
Jacobs Levy Equity Management
New Jersey
$777K +$688K +10,993 +303%
Deutsche Bank
33
Deutsche Bank
Germany
$743K -$51.5K -824 -6%
State of Wisconsin Investment Board
34
State of Wisconsin Investment Board
Wisconsin
$689K -$95K -1,519 -10%
Swiss National Bank
35
Swiss National Bank
Switzerland
$535K – – –
GCP
36
GSA Capital Partners
United Kingdom
$440K +$403K +6,449 +349%
MAM
37
Martingale Asset Management
Massachusetts
$395K -$63 -1 -0%
RhumbLine Advisers
38
RhumbLine Advisers
Massachusetts
$375K +$36.8K +588 +9%
Los Angeles Capital Management
39
Los Angeles Capital Management
California
$347K – – –
California State Teachers Retirement System (CalSTRS)
40
California State Teachers Retirement System (CalSTRS)
California
$296K -$3.69K -59 -1%
AllianceBernstein
41
AllianceBernstein
Tennessee
$281K +$18.1K +290 +6%
HF
42
HRT Financial
New York
$263K -$661K -10,564 -68%
PP
43
PDT Partners
New York
$216K -$110K -1,755 -30%
Man Group
44
Man Group
United Kingdom
$216K +$254K +4,068 New
Two Sigma Advisers
45
Two Sigma Advisers
New York
$198K +$103K +1,640 +79%
Nisa Investment Advisors
46
Nisa Investment Advisors
Missouri
$191K -$12.5K -200 -5%
Marshall Wace
47
Marshall Wace
United Kingdom
$180K -$4.07K -65 -2%
TI
48
Trexquant Investment
Connecticut
$175K +$206K +3,291 New
AQR Capital Management
49
AQR Capital Management
Connecticut
$173K +$204K +3,262 New
Two Sigma Investments
50
Two Sigma Investments
New York
$168K +$122K +1,957 +163%
1
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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.