Ohio Public Employees Retirement System (OPERS)
GBIO

Ohio Public Employees Retirement System (OPERS)’s Generation Bio GBIO Stock Holding History

Ohio Public Employees Retirement System (OPERS)’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
-353
Closed -$1.43K – 2332
2025
Q1 		$1.43K Hold
353
– – ﹤0.01% 2330
2024
Q4 		$3.75K Sell
353
-211
-37% -$3.76K ﹤0.01% 2327
2024
Q3 		$13.9K Sell
564
-286
-34% -$7.56K ﹤0.01% 2105
2024
Q2 		$24K Buy
+850
New +$27.6K ﹤0.01% 1781
2023
Q1 		– Sell
-1,100
Closed -$43K – 2004
2022
Q4 		$43K Sell
1,100
-250
-19% -$13.1K ﹤0.01% 1608
2022
Q3 		$72K Buy
+1,350
New +$84.4K ﹤0.01% 1761

Other funds holding GBIO

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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

Ohio Public Employees Retirement System (OPERS)'s GBIO Position: Q2 2025 in Review

Ohio Public Employees Retirement System (OPERS) sold out of Generation Bio (GBIO) in Q2 2025, closing a stake of 353 shares — an estimated $1.43K sold.

Ohio Public Employees Retirement System (OPERS) first reported a position in GBIO in Q3 2022 and held it in 6 quarters. The position peaked at $72K in Q3 2022. 61 funds tracked by Wall St. Rank hold GBIO as of Q2 2025.

  • Ohio Public Employees Retirement System (OPERS) reported no remaining Generation Bio position as of Q2 2025 after selling out during the quarter.
  • Ohio Public Employees Retirement System (OPERS) sold 353 Generation Bio shares in Q2 2025, an estimated $1.43K.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in Generation Bio in Q3 2022 and held it in 6 quarters.
  • Ohio Public Employees Retirement System (OPERS)'s Generation Bio position peaked at $72K in Q3 2022.
  • 61 funds tracked by Wall St. Rank held Generation Bio as of Q2 2025.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q2 2025, filed 15 Jul 2025.