Walleye 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
$51.9M Buy
827,600
+593,200
+253% +$47.5M 0.09% 237
2025
Q4
$22.4M Buy
234,400
+136,700
+140% +$13.4M 0.03% 564
2025
Q3
$9.54M Sell
97,700
-20,100
-17% -$2.08M 0.01% 923
2025
Q2
$12.7M Sell
117,800
-53,600
-31% -$5.42M 0.02% 710
2025
Q1
$17.3M Buy
171,400
+118,000
+221% +$11.9M 0.04% 492
2024
Q4
$4.77M Buy
53,400
+500
+0.9% +$44K 0.01% 1182
2024
Q3
$4.43M Sell
52,900
-21,800
-29% -$1.72M 0.01% 1208
2024
Q2
$5.75M Sell
74,700
-79,300
-51% -$5.8M 0.01% 991
2024
Q1
$10.5M Sell
154,000
-97,500
-39% -$6.27M 0.02% 686
2023
Q4
$14.5M Sell
251,500
-104,100
-29% -$5.56M 0.03% 593
2023
Q3
$18.8M Buy
355,600
+76,100
+27% +$3.99M 0.05% 394
2023
Q2
$15.1M Sell
279,500
-119,300
-30% -$6.23M 0.05% 399
2023
Q1
$20M Buy
398,800
+209,000
+110% +$9.85M 0.04% 386
2022
Q4
$8.78M Sell
189,800
-52,400
-22% -$2.27M 0.03% 738
2022
Q3
$9.38M Buy
242,200
+109,300
+82% +$4.38M 0.03% 658
2022
Q2
$4.95M Buy
132,900
+62,000
+87% +$2.52M 0.02% 1033
2022
Q1
$3.14M Buy
70,900
+42,200
+147% +$1.83M 0.01% 1312
2021
Q4
$1.22M Sell
28,700
-28,500
-50% -$1.2M ﹤0.01% 2058
2021
Q3
$2.48M Buy
57,200
+47,100
+466% +$2.08M 0.01% 1430
2021
Q2
$432K Buy
10,100
+7,700
+321% +$324K ﹤0.01% 3077
2021
Q1
$93K Sell
2,400
-17,400
-88% -$659K ﹤0.01% 4129
2020
Q4
$712K Sell
19,800
-41,100
-67% -$1.48M ﹤0.01% 2335
2020
Q3
$2.33M Buy
60,900
+50,700
+497% +$1.95M 0.01% 1022
2020
Q2
$358K Sell
10,200
-63,700
-86% -$2.29M ﹤0.01% 2560
2020
Q1
$2.41M Buy
73,900
+39,500
+115% +$1.54M 0.02% 721
2019
Q4
$1.56M Sell
34,400
-40,000
-54% -$1.67M 0.01% 1410
2019
Q3
$3.03M Buy
74,400
+61,600
+481% +$2.61M 0.03% 749
2019
Q2
$550K Sell
12,800
-8,500
-40% -$327K ﹤0.01% 2114
2019
Q1
$817K Sell
21,300
-11,100
-34% -$424K 0.01% 1843
2018
Q4
$1.15M Sell
32,400
-9,900
-23% -$359K 0.01% 1567
2018
Q3
$1.63M Buy
42,300
+4,800
+13% +$168K 0.01% 1555
2018
Q2
$1.23M Sell
37,500
-20,700
-36% -$624K 0.01% 1880
2018
Q1
$1.59M Buy
58,200
+18,000
+45% +$489K 0.01% 1442
2017
Q4
$994 Buy
40,200
+26,400
+191% +$728K ﹤0.01% 1954
2017
Q3
$403 Sell
13,800
-29,500
-68% -$815K ﹤0.01% 2669
2017
Q2
$1.2K Buy
43,300
+42,500
+5,313% +$1.13M 0.01% 1600
2017
Q1
$20 Sell
800
-1,700
-68% -$41.3K ﹤0.01% 4128
2016
Q4
$54K Sell
2,500
-5,700
-70% -$124K ﹤0.01% 3595
2016
Q3
$196K Buy
8,200
+2,400
+41% +$57.3K ﹤0.01% 2825
2016
Q2
$135K Sell
5,800
-22,800
-80% -$493K ﹤0.01% 3261
2016
Q1
$538K Buy
28,600
+10,100
+55% +$177K ﹤0.01% 1927
2015
Q4
$341K Buy
18,500
+1,100
+6% +$19.7K ﹤0.01% 2191
2015
Q3
$285K Sell
17,400
-9,600
-36% -$164K ﹤0.01% 2032
2015
Q2
$478K Sell
27,000
-30,000
-53% -$536K ﹤0.01% 1694
2015
Q1
$1.01M Buy
57,000
+39,500
+226% +$624K 0.01% 1011
2014
Q4
$232K Sell
17,500
-18,900
-52% -$242K ﹤0.01% 2186
2014
Q3
$429K Buy
36,400
+20,300
+126% +$256K 0.01% 1456
2014
Q2
$206 Buy
16,100
+100
+0.6% +$1.3K ﹤0.01% 1979
2014
Q1
$216 Buy
16,000
+14,000
+700% +$184K ﹤0.01% 1856
2013
Q4
$24K Buy
2,000
+1,400
+233% +$16.5K ﹤0.01% 3085
2013
Q3
$7K Sell
600
-13,000
-96% -$141K ﹤0.01% 2722
2013
Q2
$126K Buy
+13,600
New +$115K ﹤0.01% 1904

Other funds holding BSX

Walleye Trading's BSX Position: Q1 2026 in Review

Walleye Trading increased its Boston Scientific (BSX) stake by 12% in Q1 2026, buying an estimated $1.91M and bringing the position to 219,385 shares worth $13.8M. The position accounts for 0.02% of the portfolio, ranked #650.

Walleye Trading first reported a position in BSX in Q3 2013 and has held it in 42 quarters since. The position peaked at $18.6M in Q4 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Walleye Trading held 219,385 shares of Boston Scientific worth $13.8M as of Q1 2026.
  • Walleye Trading bought 23,928 Boston Scientific shares in Q1 2026, an estimated $1.91M.
  • Boston Scientific made up 0.02% of Walleye Trading's portfolio in Q1 2026, its #650 holding.
  • Walleye Trading first reported a position in Boston Scientific in Q3 2013 and has held it in 42 quarters since.
  • Walleye Trading's Boston Scientific position peaked at $18.6M in Q4 2025.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.