BCM
GBIO

Bridgeway Capital Management’s Generation Bio GBIO Stock Holding History

Bridgeway Capital Management’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
Q2 		– Sell
-5,520
Closed -$22.4K – 1202
2025
Q1 		$22.4K Sell
5,520
-19,160
-78% -$135K ﹤0.01% 1153
2024
Q4 		$262K Sell
24,680
-7,720
-24% -$138K 0.01% 951
2024
Q3 		$800K Buy
32,400
+5,000
+18% +$132K 0.02% 739
2024
Q2 		$773K Buy
27,400
+3,240
+13% +$105K 0.02% 759
2024
Q1 		$983K Sell
24,160
-140
-0.6% -$3.3K 0.02% 749
2023
Q4 		$401K Buy
+24,300
New +$424K 0.01% 994

Other funds holding GBIO

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Bridgeway Capital Management's GBIO Position: Q2 2025 in Review

Bridgeway Capital Management sold out of Generation Bio (GBIO) in Q2 2025, closing a stake of 5,520 shares — an estimated $22.4K sold.

Bridgeway Capital Management first reported a position in GBIO in Q4 2023 and held it in 6 quarters. The position peaked at $983K in Q1 2024. 61 funds tracked by Wall St. Rank hold GBIO as of Q2 2025.

  • Bridgeway Capital Management reported no remaining Generation Bio position as of Q2 2025 after selling out during the quarter.
  • Bridgeway Capital Management sold 5,520 Generation Bio shares in Q2 2025, an estimated $22.4K.
  • Bridgeway Capital Management first reported a position in Generation Bio in Q4 2023 and held it in 6 quarters.
  • Bridgeway Capital Management's Generation Bio position peaked at $983K in Q1 2024.
  • 61 funds tracked by Wall St. Rank held Generation Bio as of Q2 2025.

Based on Bridgeway Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.