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GBIO

Nuveen’s Generation Bio GBIO Stock Holding History

Nuveen’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
-16,927
Closed -$68.6K – 3312
2025
Q1 		$68.6K Hold
16,927
– – ﹤0.01% 3246
2024
Q4 		$179K Hold
16,927
– – ﹤0.01% 3223
2024
Q3 		$418K Hold
16,927
– – ﹤0.01% 3065
2024
Q2 		$477K Hold
16,927
– – ﹤0.01% 3012
2024
Q1 		$689K Sell
16,927
-5,968
-26% -$141K ﹤0.01% 2852
2023
Q4 		$378K Buy
22,895
+258
+1% +$4.5K ﹤0.01% 3093
2023
Q3 		$858K Sell
22,637
-4,595
-17% -$218K ﹤0.01% 2634
2023
Q2 		$1.5M Sell
27,232
-830
-3% -$38.1K ﹤0.01% 2485
2023
Q1 		$1.21M Sell
28,062
-6,144
-18% -$297K ﹤0.01% 2541
2022
Q4 		$1.34M Sell
34,206
-1,659
-5% -$87.1K ﹤0.01% 2563
2022
Q3 		$1.91M Buy
35,865
+4,577
+15% +$286K ﹤0.01% 2425
2022
Q2 		$2.05M Buy
31,288
+13,985
+81% +$914K ﹤0.01% 2425
2022
Q1 		$2.4M Buy
17,303
+3,892
+29% +$225K ﹤0.01% 2418
2021
Q4 		$1.86M Sell
13,411
-1,075
-7% -$188K ﹤0.01% 2595
2021
Q3 		$3.64M Sell
14,486
-1,496
-9% -$358K ﹤0.01% 2375
2021
Q2 		$4.3M Buy
15,982
+4,170
+35% +$1.25M ﹤0.01% 2327
2021
Q1 		$3.36M Buy
11,812
+7,151
+153% +$2.29M ﹤0.01% 2361
2020
Q4 		$1.32M Buy
4,661
+60
+1% +$19.3K ﹤0.01% 2698
2020
Q3 		$1.42M Buy
+4,601
New +$1.1M ﹤0.01% 2520

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

Nuveen's GBIO Position: Q2 2025 in Review

Nuveen sold out of Generation Bio (GBIO) in Q2 2025, closing a stake of 16,927 shares — an estimated $68.6K sold.

Nuveen first reported a position in GBIO in Q3 2020 and held it in 19 quarters. The position peaked at $4.3M in Q2 2021. 61 funds tracked by Wall St. Rank hold GBIO as of Q2 2025.

  • Nuveen reported no remaining Generation Bio position as of Q2 2025 after selling out during the quarter.
  • Nuveen sold 16,927 Generation Bio shares in Q2 2025, an estimated $68.6K.
  • Nuveen first reported a position in Generation Bio in Q3 2020 and held it in 19 quarters.
  • Nuveen's Generation Bio position peaked at $4.3M in Q2 2021.
  • 61 funds tracked by Wall St. Rank held Generation Bio as of Q2 2025.

Based on Nuveen's 13F filing for Q2 2025, filed 12 Aug 2025.