Nisa Investment Advisors
GBIO

Nisa Investment Advisors’s Generation Bio GBIO Stock Holding History

Nisa Investment Advisors’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
Q3 		– Sell
-122
Closed -$391 – 3023
2025
Q2 		$391 Sell
122
-46
-27% -$177 ﹤0.01% 2905
2025
Q1 		$679 Buy
168
+138
+460% +$970 ﹤0.01% 2734
2024
Q4 		$320 Buy
30
+21
+233% +$374 ﹤0.01% 2887
2024
Q3 		$217 Sell
9
-1
-10% -$26 ﹤0.01% 2841
2024
Q2 		$276 Buy
10
+8
+400% +$260 ﹤0.01% 2777
2024
Q1 		$61 Buy
+2
New +$47 ﹤0.01% 2738
2023
Q4 		– Sell
-84
Closed -$3.18K – 2678
2023
Q3 		$3.18K Hold
84
– – ﹤0.01% 2316
2023
Q2 		$4.62K Sell
84
-381
-82% -$17.5K ﹤0.01% 2329
2023
Q1 		$20K Sell
465
-4,205
-90% -$203K ﹤0.01% 2008
2022
Q4 		$184K Buy
4,670
+1,050
+29% +$55.1K ﹤0.01% 1387
2022
Q3 		$191K Sell
3,620
-200
-5% -$12.5K ﹤0.01% 1285
2022
Q2 		$251K Buy
3,820
+350
+10% +$22.9K ﹤0.01% 1242
2022
Q1 		$255K Buy
3,470
+3,390
+4,238% +$196K ﹤0.01% 1287
2021
Q4 		$5K Sell
80
-300
-79% -$52.4K ﹤0.01% 2091
2021
Q3 		$95 Buy
380
+300
+375% +$71.8K ﹤0.01% 1724
2021
Q2 		$22 Buy
+80
New +$23.9K ﹤0.01% 2120

Other funds holding GBIO

AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 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
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Nisa Investment Advisors's GBIO Position: Q3 2025 in Review

Nisa Investment Advisors sold out of Generation Bio (GBIO) in Q3 2025, closing a stake of 122 shares — an estimated $391 sold.

Nisa Investment Advisors first reported a position in GBIO in Q2 2021 and held it in 16 quarters. The position peaked at $255K in Q1 2022. 41 funds tracked by Wall St. Rank hold GBIO as of Q3 2025.

  • Nisa Investment Advisors reported no remaining Generation Bio position as of Q3 2025 after selling out during the quarter.
  • Nisa Investment Advisors sold 122 Generation Bio shares in Q3 2025, an estimated $391.
  • Nisa Investment Advisors first reported a position in Generation Bio in Q2 2021 and held it in 16 quarters.
  • Nisa Investment Advisors's Generation Bio position peaked at $255K in Q1 2022.
  • 41 funds tracked by Wall St. Rank held Generation Bio as of Q3 2025.

Based on Nisa Investment Advisors's 13F filing for Q3 2025, filed 23 Oct 2025.