Walleye Capital
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Walleye Capital’s Boston Scientific BSX Stock Holding History

Walleye Capital’s Portfolio BSX Stock Details BSX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$67.4M Buy
1,578,172
+742,220
+89% +$40.3M 0.24% 45
2026
Q1 		$52.5M Sell
835,952
-1,205,462
-59% -$96.4M 0.22% 41
2025
Q4 		$195M Buy
2,041,414
+1,273,969
+166% +$125M 0.6% 7
2025
Q3 		$74.9M Buy
767,445
+487,641
+174% +$50.5M 0.28% 43
2025
Q2 		$30.1M Sell
279,804
-72,410
-21% -$7.33M 0.12% 121
2025
Q1 		$35.5M Sell
352,214
-159,960
-31% -$16.1M 0.16% 92
2024
Q4 		$45.7M Buy
512,174
+1,724
+0.3% +$152K 0.11% 128
2024
Q3 		$42.8M Buy
510,450
+34,769
+7% +$2.74M 0.09% 142
2024
Q2 		$36.6M Buy
475,681
+49,284
+12% +$3.61M 0.07% 183
2024
Q1 		$29.2M Sell
426,397
-57,496
-12% -$3.7M 0.05% 270
2023
Q4 		$28M Sell
483,893
-30,361
-6% -$1.62M 0.06% 228
2023
Q3 		$27.2M Buy
514,254
+219,799
+75% +$11.5M 0.07% 168
2023
Q2 		$15.9M Sell
294,455
-54,726
-16% -$2.86M 0.06% 226
2023
Q1 		$17.5M Buy
349,181
+21,966
+7% +$1.04M 0.26% 56
2022
Q4 		$15.1M Sell
327,215
-11,790
-3% -$511K 0.28% 69
2022
Q3 		$13.1M Buy
339,005
+127,731
+60% +$5.12M 0.25% 72
2022
Q2 		$7.87M Buy
211,274
+113,875
+117% +$4.64M 0.22% 97
2022
Q1 		$4.31M Sell
97,399
-60,244
-38% -$2.61M 0.12% 186
2021
Q4 		$6.7M Buy
+157,643
New +$6.62M 0.21% 100
2021
Q3 		– Sell
-7,546
Closed -$323K – 1603
2021
Q2 		$323K Sell
7,546
-87,206
-92% -$3.67M 0.01% 904
2021
Q1 		$3.66M Sell
94,752
-5,315
-5% -$201K 0.21% 75
2020
Q4 		$3.6M Buy
+100,067
New +$3.61M 0.24% 67
2020
Q3 		– Sell
-9,185
Closed -$322K – 846
2020
Q2 		$322K Buy
+9,185
New +$331K 0.07% 319

Other funds holding BSX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Walleye Capital's BSX Position: Q2 2026 in Review

Walleye Capital increased its Boston Scientific (BSX) stake by 89% in Q2 2026, buying an estimated $40.3M and bringing the position to 1,578,172 shares worth $67.4M. The position accounts for 0.24% of the portfolio, ranked #45.

Walleye Capital first reported a position in BSX in Q2 2020 and has held it in 23 quarters since. The position peaked at $195M in Q4 2025. 1,477 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Walleye Capital held 1,578,172 shares of Boston Scientific worth $67.4M as of Q2 2026.
  • Walleye Capital bought 742,220 Boston Scientific shares in Q2 2026, an estimated $40.3M.
  • Boston Scientific made up 0.24% of Walleye Capital's portfolio in Q2 2026, its #45 holding.
  • Walleye Capital first reported a position in Boston Scientific in Q2 2020 and has held it in 23 quarters since.
  • Walleye Capital's Boston Scientific position peaked at $195M in Q4 2025.
  • 1,477 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.