D.E. Shaw & Co
GBIO

D.E. Shaw & Co’s Generation Bio GBIO Stock Holding History

D.E. Shaw & Co’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
Q1 		– Sell
-34,492
Closed -$366K – 4421
2024
Q4 		$366K Sell
34,492
-14,323
-29% -$255K ﹤0.01% 3792
2024
Q3 		$1.21M Buy
48,815
+61
+0.1% +$1.61K ﹤0.01% 3129
2024
Q2 		$1.37M Buy
48,754
+4,383
+10% +$142K ﹤0.01% 2965
2024
Q1 		$1.81M Buy
44,371
+16,060
+57% +$378K ﹤0.01% 2712
2023
Q4 		$467K Buy
28,311
+25,812
+1,033% +$450K ﹤0.01% 3540
2023
Q3 		$94.7K Sell
2,499
-1,125
-31% -$53.3K ﹤0.01% 3856
2023
Q2 		$199K Sell
3,624
-4,628
-56% -$212K ﹤0.01% 3742
2023
Q1 		$355K Sell
8,252
-14,433
-64% -$698K ﹤0.01% 3695
2022
Q4 		$892K Buy
22,685
+943
+4% +$49.5K ﹤0.01% 3524
2022
Q3 		$1.15M Buy
21,742
+3,542
+19% +$222K ﹤0.01% 3488
2022
Q2 		$1.19M Sell
18,200
-4,460
-20% -$292K ﹤0.01% 3502
2022
Q1 		$1.66M Buy
22,660
+6,621
+41% +$384K ﹤0.01% 3488
2021
Q4 		$1.14M Buy
16,039
+15,203
+1,819% +$2.65M ﹤0.01% 3820
2021
Q3 		$210K Sell
836
-11,679
-93% -$2.8M ﹤0.01% 4546
2021
Q2 		$3.37M Sell
12,515
-891
-7% -$267K ﹤0.01% 2393
2021
Q1 		$3.81M Buy
13,406
+11,771
+720% +$3.77M ﹤0.01% 2063
2020
Q4 		$464K Buy
+1,635
New +$525K ﹤0.01% 3423

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

D.E. Shaw & Co's GBIO Position: Q1 2025 in Review

D.E. Shaw & Co sold out of Generation Bio (GBIO) in Q1 2025, closing a stake of 34,492 shares — an estimated $366K sold.

D.E. Shaw & Co first reported a position in GBIO in Q4 2020 and held it in 17 quarters. The position peaked at $3.81M in Q1 2021. 79 funds tracked by Wall St. Rank hold GBIO as of Q1 2025.

  • D.E. Shaw & Co reported no remaining Generation Bio position as of Q1 2025 after selling out during the quarter.
  • D.E. Shaw & Co sold 34,492 Generation Bio shares in Q1 2025, an estimated $366K.
  • D.E. Shaw & Co first reported a position in Generation Bio in Q4 2020 and held it in 17 quarters.
  • D.E. Shaw & Co's Generation Bio position peaked at $3.81M in Q1 2021.
  • 79 funds tracked by Wall St. Rank held Generation Bio as of Q1 2025.

Based on D.E. Shaw & Co's 13F filing for Q1 2025, filed 15 May 2025.