Simplex Trading
BLUE

Simplex Trading’s bluebird bio BLUE Stock Holding History

Simplex Trading’s Portfolio BLUE Stock Details BLUE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-53,134
Closed -$259K – 8651
2025
Q1 		$259K Buy
+53,134
New +$320K ﹤0.01% 4062
2024
Q4 		– Sell
-10,175
Closed -$88.9K – 8530
2024
Q3 		$105K Sell
10,175
-5,456
-35% -$90.7K ﹤0.01% 5175
2024
Q2 		$307K Buy
15,631
+2,604
+20% +$52.2K ﹤0.01% 4193
2024
Q1 		$333K Buy
13,027
+364
+3% +$9.33K ﹤0.01% 4273
2023
Q4 		$349K Buy
12,663
+128
+1% +$7.8K ﹤0.01% 4066
2023
Q3 		$762K Buy
12,535
+570
+5% +$40K ﹤0.01% 2952
2023
Q2 		$787K Sell
11,965
-2,105
-15% -$154K ﹤0.01% 2829
2023
Q1 		$894K Buy
14,070
+7,285
+107% +$832K ﹤0.01% 2691
2022
Q4 		$939K Sell
6,785
-1,237
-15% -$174K ﹤0.01% 2527
2022
Q3 		$1.01M Buy
8,022
+697
+10% +$78.9K ﹤0.01% 2619
2022
Q2 		$606K Buy
7,325
+6,284
+604% +$487K ﹤0.01% 3212
2022
Q1 		$101K Sell
1,041
-1,104
-51% -$146K ﹤0.01% 6123
2021
Q4 		$428K Sell
2,145
-836
-28% -$197K ﹤0.01% 4031
2021
Q3 		$1.25M Buy
2,981
+207
+7% +$59.2K ﹤0.01% 2768
2021
Q2 		$1.15M Sell
2,774
-3,555
-56% -$1.41M ﹤0.01% 2905
2021
Q1 		$2.47M Buy
6,329
+2,183
+53% +$1.07M ﹤0.01% 1395
2020
Q4 		$2.32M Buy
4,146
+1,649
+66% +$1.05M ﹤0.01% 1627
2020
Q3 		$1.74M Buy
2,497
+973
+64% +$759K ﹤0.01% 1663
2020
Q2 		$1.2M Sell
1,524
-512
-25% -$386K ﹤0.01% 1973
2020
Q1 		$1.21M Buy
2,036
+59
+3% +$57.5K ﹤0.01% 1704
2019
Q4 		$2.25M Buy
1,977
+1,553
+366% +$1.69M ﹤0.01% 1383
2019
Q3 		$503K Buy
+424
New +$647K ﹤0.01% 2618
2019
Q2 		– Sell
-212
Closed -$367K – 7094
2019
Q1 		$432K Sell
212
-469
-69% -$826K ﹤0.01% 2805
2018
Q4 		$875K Buy
+681
New +$1.04M ﹤0.01% 1736
2018
Q3 		– Sell
-1,776
Closed -$3.67M – 7410
2018
Q2 		$3.61M Buy
1,776
+1,768
+22,100% +$4.03M 0.01% 731
2018
Q1 		$17K Buy
+8
New +$20.3K ﹤0.01% 3495
2017
Q4 		– Sell
-544
Closed -$1.1M – 5993
2017
Q3 		$967K Sell
544
-305
-36% -$426K 0.04% 389
2017
Q2 		$1.16M Sell
849
-508
-37% -$613K 0.05% 318
2017
Q1 		$1.6M Buy
1,357
+1,335
+6,068% +$1.36M 0.07% 253
2016
Q4 		$17K Sell
22
-155
-88% -$123K ﹤0.01% 3170
2016
Q3 		$155K Buy
177
+28
+19% +$20.3K 0.01% 1211
2016
Q2 		$83K Sell
149
-1,336
-90% -$757K 0.01% 1620
2016
Q1 		$817K Buy
1,485
+887
+148% +$545K 0.07% 271
2015
Q4 		$497K Buy
598
+74
+14% +$73.9K 0.04% 435
2015
Q3 		$580K Sell
524
-170
-24% -$310K 0.04% 396
2015
Q2 		$1.51M Buy
694
+120
+21% +$244K 0.13% 140
2015
Q1 		$898K Sell
574
-133
-19% -$175K 0.1% 183
2014
Q4 		$840K Buy
+707
New +$472K 0.1% 167

Other funds holding BLUE

Russell Investments Group
Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Simplex Trading's BLUE Position: Q2 2025 in Review

Simplex Trading sold out of bluebird bio (BLUE) in Q2 2025, closing a stake of 53,134 shares — an estimated $259K sold.

Simplex Trading first reported a position in BLUE in Q4 2014 and held it in 38 quarters. The position peaked at $3.61M in Q2 2018. 3 funds tracked by Wall St. Rank hold BLUE as of Q2 2025.

  • Simplex Trading reported no remaining bluebird bio position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 53,134 bluebird bio shares in Q2 2025, an estimated $259K.
  • Simplex Trading first reported a position in bluebird bio in Q4 2014 and held it in 38 quarters.
  • Simplex Trading's bluebird bio position peaked at $3.61M in Q2 2018.
  • 3 funds tracked by Wall St. Rank held bluebird bio as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.