Group One Trading’s Boston Scientific BSX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$33.8M Buy
539,000
+451,200
+514% +$36.1M 0.06% 296
2025
Q4
$8.37M Sell
87,800
-92,200
-51% -$9.04M 0.01% 1070
2025
Q3
$17.6M Buy
180,000
+86,600
+93% +$8.97M 0.03% 557
2025
Q2
$10M Sell
93,400
-236,500
-72% -$23.9M 0.02% 807
2025
Q1
$33.3M Buy
329,900
+303,000
+1,126% +$30.5M 0.1% 169
2024
Q4
$2.4M Sell
26,900
-40,800
-60% -$3.59M 0.01% 1758
2024
Q3
$5.67M Buy
67,700
+51,800
+326% +$4.08M 0.02% 935
2024
Q2
$1.22M Sell
15,900
-4,400
-22% -$322K ﹤0.01% 1827
2024
Q1
$1.39M Sell
20,300
-57,600
-74% -$3.7M 0.01% 1803
2023
Q4
$4.5M Sell
77,900
-42,200
-35% -$2.25M 0.01% 1223
2023
Q3
$6.34M Sell
120,100
-68,900
-36% -$3.61M 0.02% 791
2023
Q2
$10.2M Buy
189,000
+105,700
+127% +$5.52M 0.03% 502
2023
Q1
$4.17M Sell
83,300
-98,300
-54% -$4.63M 0.02% 956
2022
Q4
$8.4M Sell
181,600
-1,100
-0.6% -$47.6K 0.02% 836
2022
Q3
$7.08M Sell
182,700
-136,300
-43% -$5.47M 0.01% 930
2022
Q2
$11.9M Buy
319,000
+70,800
+29% +$2.88M 0.02% 736
2022
Q1
$11M Sell
248,200
-51,600
-17% -$2.24M 0.01% 935
2021
Q4
$12.7M Buy
299,800
+116,900
+64% +$4.91M 0.01% 929
2021
Q3
$7.94M Buy
182,900
+26,500
+17% +$1.17M 0.01% 1265
2021
Q2
$6.69M Buy
156,400
+45,900
+42% +$1.93M 0.01% 1427
2021
Q1
$4.27M Sell
110,500
-54,800
-33% -$2.07M 0.01% 1684
2020
Q4
$5.94M Buy
165,300
+54,700
+49% +$1.97M 0.01% 1163
2020
Q3
$4.23M Sell
110,600
-73,300
-40% -$2.82M 0.01% 1028
2020
Q2
$6.46M Sell
183,900
-89,900
-33% -$3.24M 0.03% 652
2020
Q1
$8.93M Buy
273,800
+62,300
+29% +$2.43M 0.07% 301
2019
Q4
$9.56M Buy
211,500
+28,700
+16% +$1.2M 0.07% 364
2019
Q3
$7.44M Buy
182,800
+21,700
+13% +$919K 0.06% 395
2019
Q2
$6.92M Buy
161,100
+60,700
+60% +$2.33M 0.06% 374
2019
Q1
$3.85M Sell
100,400
-106,800
-52% -$4.08M 0.04% 561
2018
Q4
$7.32M Buy
207,200
+70,400
+51% +$2.55M 0.06% 345
2018
Q3
$5.27M Sell
136,800
-114,100
-45% -$3.99M 0.04% 565
2018
Q2
$8.2M Buy
250,900
+244,300
+3,702% +$7.37M 0.07% 317
2018
Q1
$180K Sell
6,600
-232,100
-97% -$6.31M ﹤0.01% 2864
2017
Q4
$5.92M Buy
238,700
+157,900
+195% +$4.36M 0.04% 555
2017
Q3
$2.36M Buy
80,800
+40,600
+101% +$1.12M 0.02% 934
2017
Q2
$1.11M Sell
40,200
-13,900
-26% -$369K 0.01% 1365
2017
Q1
$1.34M Sell
54,100
-31,600
-37% -$768K 0.02% 1126
2016
Q4
$1.85M Sell
85,700
-1,300
-1% -$28.4K 0.02% 967
2016
Q3
$2.07M Buy
87,000
+23,300
+37% +$556K 0.02% 828
2016
Q2
$1.49M Buy
63,700
+27,400
+75% +$593K 0.02% 985
2016
Q1
$683K Sell
36,300
-74,400
-67% -$1.31M 0.01% 1469
2015
Q4
$2.04M Buy
110,700
+83,900
+313% +$1.5M 0.02% 840
2015
Q3
$440K Sell
26,800
-800
-3% -$13.7K 0.01% 1873
2015
Q2
$489K Buy
27,600
+1,700
+7% +$30.4K 0.01% 1803
2015
Q1
$460K Sell
25,900
-36,800
-59% -$582K 0.01% 1665
2014
Q4
$831K Buy
62,700
+37,700
+151% +$482K 0.01% 1185
2014
Q3
$295K Sell
25,000
-16,800
-40% -$212K ﹤0.01% 2052
2014
Q2
$534K Buy
41,800
+9,900
+31% +$129K 0.01% 1590
2014
Q1
$431K Sell
31,900
-22,000
-41% -$289K 0.01% 1758
2013
Q4
$648K Buy
53,900
+52,500
+3,750% +$620K 0.01% 1461
2013
Q3
$16K Sell
1,400
-12,300
-90% -$133K ﹤0.01% 4286
2013
Q2
$127K Buy
+13,700
New +$116K ﹤0.01% 2587

Other funds holding BSX

Group One Trading's BSX Position: Q1 2026 in Review

Group One Trading increased its Boston Scientific (BSX) stake by 201% in Q1 2026, buying an estimated $3.55M and bringing the position to 66,446 shares worth $4.17M. The position accounts for 0.01% of the portfolio, ranked #1447.

Group One Trading first reported a position in BSX in Q2 2013 and has held it in 39 quarters since. The position peaked at $15M in Q4 2020. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Group One Trading held 66,446 shares of Boston Scientific worth $4.17M as of Q1 2026.
  • Group One Trading bought 44,402 Boston Scientific shares in Q1 2026, an estimated $3.55M.
  • Boston Scientific made up 0.01% of Group One Trading's portfolio in Q1 2026, its #1447 holding.
  • Group One Trading first reported a position in Boston Scientific in Q2 2013 and has held it in 39 quarters since.
  • Group One Trading's Boston Scientific position peaked at $15M in Q4 2020.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.