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
-563,500
Closed -$2.75M – 8650
2025
Q1 		$2.75M Sell
563,500
-19,200
-3% -$115K ﹤0.01% 1741
2024
Q4 		$4.86M Buy
582,700
+570,165
+4,549% +$4.98M ﹤0.01% 1498
2024
Q3 		$130K Buy
12,535
+9,825
+363% +$163K ﹤0.01% 4953
2024
Q2 		$53K Sell
2,710
-1,945
-42% -$39K ﹤0.01% 6023
2024
Q1 		$119K Sell
4,655
-10,290
-69% -$264K ﹤0.01% 5410
2023
Q4 		$407K Buy
14,945
+8,060
+117% +$491K ﹤0.01% 3917
2023
Q3 		$407K Buy
6,885
+5,075
+280% +$356K ﹤0.01% 3612
2023
Q2 		$109K Sell
1,810
-2,240
-55% -$164K ﹤0.01% 4974
2023
Q1 		$248K Sell
4,050
-825
-17% -$94.2K ﹤0.01% 4073
2022
Q4 		$631K Buy
4,875
+2,620
+116% +$369K ﹤0.01% 2933
2022
Q3 		$249K Sell
2,255
-450
-17% -$50.9K ﹤0.01% 4327
2022
Q2 		$200K Buy
2,705
+1,685
+165% +$131K ﹤0.01% 4594
2022
Q1 		$58K Buy
1,020
+30
+3% +$3.96K ﹤0.01% 6921
2021
Q4 		$61K Buy
990
+172
+21% +$40.6K ﹤0.01% 6961
2021
Q3 		$343K Sell
818
-62
-7% -$17.7K ﹤0.01% 4689
2021
Q2 		$364K Buy
880
+846
+2,488% +$335K ﹤0.01% 4650
2021
Q1 		$1.31M Sell
34
-13
-28% -$6.4K ﹤0.01% 2100
2020
Q4 		$2.63M Sell
47
-6
-11% -$3.8K ﹤0.01% 1493
2020
Q3 		$3.74M Buy
53
+12
+29% +$9.36K 0.01% 1061
2020
Q2 		$3.25M Buy
41
+24
+141% +$18.1K 0.01% 1135
2020
Q1 		$1.01M Sell
17
-30
-64% -$29.2K ﹤0.01% 1880
2019
Q4 		$5.37M Sell
47
-9
-16% -$9.78K 0.01% 760
2019
Q3 		$6.66M Buy
56
+25
+81% +$38.2K 0.02% 570
2019
Q2 		$5.18M Buy
31
+15
+94% +$25.9K 0.01% 662
2019
Q1 		$3.24M Sell
16
-5
-24% -$8.8K 0.01% 980
2018
Q4 		$2.68M Buy
21
+4
+24% +$6.14K 0.01% 904
2018
Q3 		$3.18M Sell
17
-4
-19% -$8.26K 0.01% 900
2018
Q2 		$4.36M Sell
21
-526
-96% -$1.2M 0.02% 624
2018
Q1 		$1.56M Buy
547
+510
+1,378% +$1.3M 0.07% 243
2017
Q4 		$2.02M Sell
37
-11
-23% -$22.3K 0.09% 190
2017
Q3 		$1.13M Buy
48
+18
+60% +$25.1K 0.05% 338
2017
Q2 		$546K Buy
30
+18
+150% +$21.7K 0.02% 599
2017
Q1 		$292K Sell
12
-5
-29% -$5.1K 0.01% 986
2016
Q4 		$125K Sell
17
-15
-47% -$11.9K 0.01% 1355
2016
Q3 		$360K Buy
32
+21
+191% +$15.2K 0.02% 677
2016
Q2 		$29K Buy
11
+3
+38% +$1.7K ﹤0.01% 2549
2016
Q1 		$18K Sell
8
-18
-69% -$11.1K ﹤0.01% 2889
2015
Q4 		$42K Buy
26
+13
+100% +$13K ﹤0.01% 2058
2015
Q3 		$37K Buy
13
+2
+18% +$3.65K ﹤0.01% 2226
2015
Q2 		$268K Buy
11
+4
+57% +$8.15K 0.02% 653
2015
Q1 		$401K Sell
7
-4
-36% -$5.28K 0.05% 392
2014
Q4 		$439K Buy
+11
New +$7.35K 0.05% 307

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.