Osaic Holdings
GBIO

Osaic Holdings’s Generation Bio GBIO Stock Holding History

Osaic Holdings’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
Q4 		– Sell
-15,459
Closed -$4.95K – 7966
2025
Q3 		$4.95K Buy
15,459
+13,913
+900% +$72.1K ﹤0.01% 6748
2025
Q2 		$4.95K Hold
1,546
– – ﹤0.01% 6549
2025
Q1 		$6.34K Buy
1,546
+1,535
+13,955% +$10.8K ﹤0.01% 6053
2024
Q4 		$113 Hold
11
– – ﹤0.01% 7237
2024
Q3 		$264 Hold
11
– – ﹤0.01% 7131
2024
Q2 		$302 Buy
+11
New +$357 ﹤0.01% 7096
2024
Q1 		– Sell
-1,792
Closed -$29.6K – 7273
2023
Q4 		$29.6K Buy
1,792
+757
+73% +$13.2K ﹤0.01% 5257
2023
Q3 		$39.2K Buy
1,035
+570
+123% +$27K ﹤0.01% 5158
2023
Q2 		$25.5K Buy
+465
New +$21.3K ﹤0.01% 5409
2022
Q4 		– Sell
-317
Closed -$17K – 7268
2022
Q3 		$17K Buy
+317
New +$19.8K ﹤0.01% 5694
2021
Q3 		– Sell
-67
Closed -$18K – 7227
2021
Q2 		$18K Sell
67
-11
-14% -$3.29K ﹤0.01% 5719
2021
Q1 		$22K Buy
78
+63
+420% +$20.2K ﹤0.01% 5409
2020
Q4 		$4K Sell
15
-23
-61% -$7.38K ﹤0.01% 5843
2020
Q3 		$12K Hold
38
– – ﹤0.01% 5171
2020
Q2 		$8K Buy
+38
New +$8.46K ﹤0.01% 5276

Other funds holding GBIO

AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
SCP
SymBiosis Capital Partners Bentonville, Arkansas $52.8M AUM
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Osaic Holdings's GBIO Position: Q4 2025 in Review

Osaic Holdings sold out of Generation Bio (GBIO) in Q4 2025, closing a stake of 15,459 shares — an estimated $4.95K sold.

Osaic Holdings first reported a position in GBIO in Q2 2020 and held it in 15 quarters. The position peaked at $39.2K in Q3 2023. 48 funds tracked by Wall St. Rank hold GBIO as of Q4 2025.

  • Osaic Holdings reported no remaining Generation Bio position as of Q4 2025 after selling out during the quarter.
  • Osaic Holdings sold 15,459 Generation Bio shares in Q4 2025, an estimated $4.95K.
  • Osaic Holdings first reported a position in Generation Bio in Q2 2020 and held it in 15 quarters.
  • Osaic Holdings's Generation Bio position peaked at $39.2K in Q3 2023.
  • 48 funds tracked by Wall St. Rank held Generation Bio as of Q4 2025.

Based on Osaic Holdings's 13F filing for Q4 2025, filed 17 Feb 2026.