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 		$2.63M Sell
61,700
-35,300
-36% -$1.92M 0.01% 1294
2026
Q1 		$6.09M Sell
97,000
-77,300
-44% -$6.18M 0.03% 682
2025
Q4 		$16.6M Buy
174,300
+2,000
+1% +$196K 0.05% 378
2025
Q3 		$16.8M Buy
172,300
+62,000
+56% +$6.42M 0.06% 316
2025
Q2 		$11.8M Sell
110,300
-59,400
-35% -$6.01M 0.05% 426
2025
Q1 		$17.1M Sell
169,700
-171,600
-50% -$17.3M 0.08% 251
2024
Q4 		$30.5M Buy
341,300
+17,200
+5% +$1.51M 0.07% 210
2024
Q3 		$27.2M Sell
324,100
-69,300
-18% -$5.46M 0.06% 240
2024
Q2 		$30.3M Sell
393,400
-89,200
-18% -$6.53M 0.05% 220
2024
Q1 		$33.1M Buy
482,600
+103,200
+27% +$6.64M 0.06% 232
2023
Q4 		$21.9M Buy
379,400
+83,000
+28% +$4.43M 0.05% 291
2023
Q3 		$15.6M Buy
296,400
+166,000
+127% +$8.71M 0.04% 355
2023
Q2 		$7.05M Buy
130,400
+129,500
+14,389% +$6.76M 0.03% 558
2023
Q1 		$45K Buy
+900
New +$42.4K ﹤0.01% 3233
2019
Q4 		– Sell
-16,000
Closed -$651K – 1813
2019
Q3 		$651K Buy
+16,000
New +$678K 0.04% 627
2019
Q2 		– Sell
-200
Closed -$8K – 1744
2019
Q1 		$8K Buy
+200
New +$7.64K ﹤0.01% 1416

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. 1,481 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.
  • 1,481 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.