GBIO

Generation Bio
GBIO

Delisted

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

48 hedge funds and large institutions have $24.5M invested in Generation Bio in 2025 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 10 increasing their positions, 15 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more ownership

Funds ownership:

0% more capital invested

Capital invested by funds: $24.4M → $24.5M (+$93.9K)

33% less repeat investments, than reductions

Existing positions increased: 10 | Existing positions reduced: 15

Holders
48
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$1.75M
2 +$555K
3 +$247K
4
Two Sigma Investments
Two Sigma Investments
New York
+$215K
5
DAM
Deltec Asset Management
New York
+$184K

Top Sellers

1 -$2.07M
2 -$1.19M
3 -$606K
4
SL
Siren LLC
Connecticut
-$539K
5
Marshall Wace
Marshall Wace
United Kingdom
-$442K