Citadel Advisors’s Generation Bio GBIO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-47,245
| Closed | -$268K | – | 13414 |
|
|
2025
Q4 | $268K | Buy |
47,245
+48
| +0.1% | +$271 | ﹤0.01% | 10391 |
|
|
2025
Q3 | $289K | Buy |
47,197
+27,981
| +146% | +$145K | ﹤0.01% | 10466 |
|
|
2025
Q2 | $61.5K | Buy |
19,216
+7,080
| +58% | +$27.3K | ﹤0.01% | 11665 |
|
|
2025
Q1 | $49.1K | Buy |
12,136
+2,105
| +21% | +$14.8K | ﹤0.01% | 12328 |
|
|
2024
Q4 | $106K | Buy |
+10,031
| New | +$179K | ﹤0.01% | 11388 |
|
|
2024
Q3 | – | Sell |
-4,948
| Closed | -$140K | – | 14564 |
|
|
2024
Q2 | $140K | Sell |
4,948
-814
| -14% | -$26.5K | ﹤0.01% | 10449 |
|
|
2024
Q1 | $235K | Sell |
5,762
-6,856
| -54% | -$161K | ﹤0.01% | 9988 |
|
|
2023
Q4 | $208K | Buy |
12,618
+11,585
| +1,121% | +$202K | ﹤0.01% | 9876 |
|
|
2023
Q3 | $39.1K | Sell |
1,033
-2,196
| -68% | -$104K | ﹤0.01% | 12017 |
|
|
2023
Q2 | $178K | Buy |
+3,229
| New | +$148K | ﹤0.01% | 10071 |
|
|
2023
Q1 | – | Sell |
-1,129
| Closed | -$54.6K | – | 14983 |
|
|
2022
Q4 | $44.4K | Sell |
1,129
-1,019
| -47% | -$53.5K | ﹤0.01% | 12279 |
|
|
2022
Q3 | $114K | Sell |
2,148
-3,316
| -61% | -$207K | ﹤0.01% | 10980 |
|
|
2022
Q2 | $359K | Buy |
5,464
+615
| +13% | +$40.2K | ﹤0.01% | 9401 |
|
|
2022
Q1 | $356K | Buy |
4,849
+1,978
| +69% | +$115K | ﹤0.01% | 10184 |
|
|
2021
Q4 | $203K | Buy |
+2,871
| New | +$501K | ﹤0.01% | 11817 |
|
|
2021
Q3 | – | Sell |
-1,920
| Closed | -$460K | – | 14084 |
|
|
2021
Q2 | $516K | Sell |
1,920
-1,728
| -47% | -$517K | ﹤0.01% | 10000 |
|
|
2021
Q1 | $1.04M | Buy |
+3,648
| New | +$1.17M | ﹤0.01% | 8019 |
|
|
2020
Q4 | – | Sell |
-1,335
| Closed | -$413K | – | 11133 |
|
|
2020
Q3 | $413K | Sell |
1,335
-52,975
| -98% | -$12.7M | ﹤0.01% | 7608 |
|
|
2020
Q2 | $11.4M | Buy |
+54,310
| New | +$12.1M | ﹤0.01% | 2070 |
|
Other funds holding GBIO
Citadel Advisors's GBIO Position: Q1 2026 in Review
Citadel Advisors sold out of Generation Bio (GBIO) in Q1 2026, closing a stake of 47,245 shares — an estimated $268K sold.
Citadel Advisors first reported a position in GBIO in Q2 2020 and held it in 19 quarters. The position peaked at $11.4M in Q2 2020. 2 funds tracked by Wall St. Rank hold GBIO as of Q1 2026.
- Citadel Advisors reported no remaining Generation Bio position as of Q1 2026 after selling out during the quarter.
- Citadel Advisors sold 47,245 Generation Bio shares in Q1 2026, an estimated $268K.
- Citadel Advisors first reported a position in Generation Bio in Q2 2020 and held it in 19 quarters.
- Citadel Advisors's Generation Bio position peaked at $11.4M in Q2 2020.
- 2 funds tracked by Wall St. Rank held Generation Bio as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.