Bank of New York Mellon
GBIO

Bank of New York Mellon’s Generation Bio GBIO Stock Holding History

Bank of New York Mellon’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
-13,978
Closed -$56.6K – 4181
2025
Q1 		$56.6K Sell
13,978
-13
-0.1% -$91 ﹤0.01% 4045
2024
Q4 		$148K Sell
13,991
-1,148
-8% -$20.5K ﹤0.01% 4001
2024
Q3 		$374K Sell
15,139
-3,537
-19% -$93.5K ﹤0.01% 3654
2024
Q2 		$527K Buy
18,676
+4,438
+31% +$144K ﹤0.01% 3560
2024
Q1 		$579K Sell
14,238
-1,716
-11% -$40.4K ﹤0.01% 3428
2023
Q4 		$263K Hold
15,954
– – ﹤0.01% 3852
2023
Q3 		$605K Sell
15,954
-686
-4% -$32.5K ﹤0.01% 3444
2023
Q2 		$915K Buy
16,640
+504
+3% +$23.1K ﹤0.01% 3242
2023
Q1 		$694K Sell
16,136
-257
-2% -$12.4K ﹤0.01% 3314
2022
Q4 		$644K Sell
16,393
-149
-0.9% -$7.82K ﹤0.01% 3416
2022
Q3 		$878K Buy
16,542
+1,948
+13% +$122K ﹤0.01% 3273
2022
Q2 		$957K Buy
14,594
+253
+2% +$16.5K ﹤0.01% 3236
2022
Q1 		$1.05M Sell
14,341
-46,489
-76% -$2.69M ﹤0.01% 3278
2021
Q4 		$4.31M Sell
60,830
-3,356
-5% -$586K ﹤0.01% 2543
2021
Q3 		$16.1M Buy
64,186
+1,979
+3% +$474K ﹤0.01% 1841
2021
Q2 		$16.7M Buy
62,207
+5,448
+10% +$1.63M ﹤0.01% 1837
2021
Q1 		$16.2M Buy
56,759
+27,343
+93% +$8.75M ﹤0.01% 1822
2020
Q4 		$8.34M Buy
29,416
+283
+1% +$90.8K ﹤0.01% 2095
2020
Q3 		$9.01M Buy
29,133
+26,108
+863% +$6.24M ﹤0.01% 1907
2020
Q2 		$635K Buy
+3,025
New +$674K ﹤0.01% 3356

Other funds holding GBIO

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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 $20B AUM 154.41% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Bank of New York Mellon's GBIO Position: Q2 2025 in Review

Bank of New York Mellon sold out of Generation Bio (GBIO) in Q2 2025, closing a stake of 13,978 shares — an estimated $56.6K sold.

Bank of New York Mellon first reported a position in GBIO in Q2 2020 and held it in 20 quarters. The position peaked at $16.7M in Q2 2021. 61 funds tracked by Wall St. Rank hold GBIO as of Q2 2025.

  • Bank of New York Mellon reported no remaining Generation Bio position as of Q2 2025 after selling out during the quarter.
  • Bank of New York Mellon sold 13,978 Generation Bio shares in Q2 2025, an estimated $56.6K.
  • Bank of New York Mellon first reported a position in Generation Bio in Q2 2020 and held it in 20 quarters.
  • Bank of New York Mellon's Generation Bio position peaked at $16.7M in Q2 2021.
  • 61 funds tracked by Wall St. Rank held Generation Bio as of Q2 2025.

Based on Bank of New York Mellon's 13F filing for Q2 2025, filed 5 Aug 2025.