SG Americas Securities
GBIO

SG Americas Securities’s Generation Bio GBIO Stock Holding History

SG Americas Securities’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
-1,821
Closed -$7K – 3181
2025
Q1 		$7K Sell
1,821
-889
-33% -$6.25K ﹤0.01% 3418
2024
Q4 		$29K Buy
2,710
+1,003
+59% +$17.9K ﹤0.01% 2976
2024
Q3 		$42K Buy
+1,707
New +$45.1K ﹤0.01% 3281
2024
Q2 		– Sell
-1,663
Closed -$68K – 3014
2024
Q1 		$68K Sell
1,663
-3,184
-66% -$75K ﹤0.01% 2674
2023
Q4 		$80K Buy
4,847
+3,504
+261% +$61.1K ﹤0.01% 2826
2023
Q3 		$51K Buy
+1,343
New +$63.6K ﹤0.01% 2939
2023
Q2 		– Sell
-1,270
Closed -$55K – 2601
2023
Q1 		$55K Sell
1,270
-435
-26% -$21K ﹤0.01% 3051
2022
Q4 		$67K Buy
1,705
+129
+8% +$6.77K ﹤0.01% 2802
2022
Q3 		$84K Sell
1,576
-227
-13% -$14.2K ﹤0.01% 2897
2022
Q2 		$118K Buy
+1,803
New +$118K ﹤0.01% 3017
2021
Q4 		– Sell
-2,201
Closed -$552K – 3540
2021
Q3 		$552K Buy
+2,201
New +$527K ﹤0.01% 2400
2021
Q2 		– Sell
-883
Closed -$251K – 2982
2021
Q1 		$251K Buy
+883
New +$283K ﹤0.01% 2516

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 $5.72T AUM 30.48% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

SG Americas Securities's GBIO Position: Q2 2025 in Review

SG Americas Securities sold out of Generation Bio (GBIO) in Q2 2025, closing a stake of 1,821 shares — an estimated $7K sold.

SG Americas Securities first reported a position in GBIO in Q1 2021 and held it in 12 quarters. The position peaked at $552K in Q3 2021. 61 funds tracked by Wall St. Rank hold GBIO as of Q2 2025.

  • SG Americas Securities reported no remaining Generation Bio position as of Q2 2025 after selling out during the quarter.
  • SG Americas Securities sold 1,821 Generation Bio shares in Q2 2025, an estimated $7K.
  • SG Americas Securities first reported a position in Generation Bio in Q1 2021 and held it in 12 quarters.
  • SG Americas Securities's Generation Bio position peaked at $552K in Q3 2021.
  • 61 funds tracked by Wall St. Rank held Generation Bio as of Q2 2025.

Based on SG Americas Securities's 13F filing for Q2 2025, filed 8 Aug 2025.