Susquehanna International Group
GBIO

Susquehanna International Group’s Generation Bio GBIO Stock Holding History

Susquehanna International Group’s Portfolio GBIO Stock Details GBIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-24,928
Closed -$79.8K – 12918
2025
Q2 		$79.8K Buy
24,928
+15,703
+170% +$60.5K ﹤0.01% 11910
2025
Q1 		$37.4K Buy
9,225
+6,946
+305% +$48.8K ﹤0.01% 11952
2024
Q4 		$24.2K Buy
+2,279
New +$40.6K ﹤0.01% 11888
2024
Q2 		– Sell
-1,784
Closed -$72.6K – 12435
2024
Q1 		$72.6K Sell
1,784
-2,291
-56% -$53.9K ﹤0.01% 11385
2023
Q4 		$67.2K Buy
+4,075
New +$71.1K ﹤0.01% 11575
2023
Q3 		– Sell
-1,281
Closed -$70.5K – 12330
2023
Q2 		$70.5K Sell
1,281
-1,406
-52% -$64.5K ﹤0.01% 11178
2023
Q1 		$116K Buy
+2,687
New +$130K ﹤0.01% 11172
2022
Q4 		– Sell
-2,276
Closed -$121K – 12840
2022
Q3 		$121K Sell
2,276
-4,818
-68% -$301K ﹤0.01% 11506
2022
Q2 		$465K Buy
7,094
+4,038
+132% +$264K ﹤0.01% 8455
2022
Q1 		$224K Sell
3,056
-1,049
-26% -$60.8K ﹤0.01% 10962
2021
Q4 		$291K Buy
4,105
+972
+31% +$170K ﹤0.01% 10568
2021
Q3 		$785K Sell
3,133
-119
-4% -$28.5K ﹤0.01% 8186
2021
Q2 		$875K Sell
3,252
-818
-20% -$245K ﹤0.01% 8140
2021
Q1 		$1.16M Buy
+4,070
New +$1.3M ﹤0.01% 7333

Other funds holding GBIO

AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Susquehanna International Group's GBIO Position: Q3 2025 in Review

Susquehanna International Group sold out of Generation Bio (GBIO) in Q3 2025, closing a stake of 24,928 shares — an estimated $79.8K sold.

Susquehanna International Group first reported a position in GBIO in Q1 2021 and held it in 14 quarters. The position peaked at $1.16M in Q1 2021. 41 funds tracked by Wall St. Rank hold GBIO as of Q3 2025.

  • Susquehanna International Group reported no remaining Generation Bio position as of Q3 2025 after selling out during the quarter.
  • Susquehanna International Group sold 24,928 Generation Bio shares in Q3 2025, an estimated $79.8K.
  • Susquehanna International Group first reported a position in Generation Bio in Q1 2021 and held it in 14 quarters.
  • Susquehanna International Group's Generation Bio position peaked at $1.16M in Q1 2021.
  • 41 funds tracked by Wall St. Rank held Generation Bio as of Q3 2025.

Based on Susquehanna International Group's 13F filing for Q3 2025, filed 14 Nov 2025.