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
2024
Q2 		– Sell
-1,240
Closed -$50.5K – 12434
2024
Q1 		$50.5K Buy
+1,240
New +$29.2K ﹤0.01% 11558
2023
Q2 		– Sell
-1,590
Closed -$68.4K – 12440
2023
Q1 		$68.4K Buy
+1,590
New +$76.9K ﹤0.01% 11538
2022
Q1 		– Sell
-1,410
Closed -$100K – 13337
2021
Q4 		$100K Buy
+1,410
New +$246K ﹤0.01% 12153

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.