IMC Chicago
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IMC Chicago’s Boston Scientific BSX Stock Holding History

IMC Chicago’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
Q1 		$50.5M Buy
804,200
+442,300
+122% +$35.4M 0.02% 497
2025
Q4 		$34.5M Sell
361,900
-153,000
-30% -$15M 0.01% 619
2025
Q3 		$50.3M Buy
514,900
+151,300
+42% +$15.7M 0.02% 459
2025
Q2 		$39.1M Sell
363,600
-48,500
-12% -$4.91M 0.02% 467
2025
Q1 		$41.6M Buy
412,100
+157,500
+62% +$15.9M 0.02% 368
2024
Q4 		$22.7M Sell
254,600
-26,100
-9% -$2.3M 0.01% 559
2024
Q3 		$23.5M Buy
280,700
+74,100
+36% +$5.84M 0.01% 501
2024
Q2 		$15.9M Sell
206,600
-33,800
-14% -$2.47M 0.01% 604
2024
Q1 		$16.5M Sell
240,400
-900
-0.4% -$57.9K 0.01% 521
2023
Q4 		$13.9M Buy
241,300
+87,100
+56% +$4.65M 0.01% 561
2023
Q3 		$8.14M Buy
154,200
+99,700
+183% +$5.23M 0.01% 610
2023
Q2 		$2.95M Buy
54,500
+19,300
+55% +$1.01M ﹤0.01% 770
2023
Q1 		$1.76M Buy
35,200
+4,800
+16% +$226K ﹤0.01% 887
2022
Q4 		$1.41M Buy
30,400
+10,700
+54% +$463K ﹤0.01% 918
2022
Q3 		$763K Buy
+19,700
New +$790K ﹤0.01% 1010
2021
Q1 		– Sell
-15,500
Closed -$557K – 1046
2020
Q4 		$557K Sell
15,500
-4,900
-24% -$177K ﹤0.01% 936
2020
Q3 		$779K Buy
20,400
+4,500
+28% +$173K ﹤0.01% 783
2020
Q2 		$558K Sell
15,900
-20,100
-56% -$724K ﹤0.01% 791
2020
Q1 		$1.18M Buy
+36,000
New +$1.41M ﹤0.01% 611
2019
Q1 		– Sell
-8,000
Closed -$283K – 655
2018
Q4 		$283K Buy
+8,000
New +$290K ﹤0.01% 769

Other funds holding BSX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

IMC Chicago's BSX Position: Q1 2026 in Review

IMC Chicago increased its Boston Scientific (BSX) stake by 632% in Q1 2026, buying an estimated $35.9M and bringing the position to 520,435 shares worth $32.7M. The position accounts for 0.01% of the portfolio, ranked #654.

IMC Chicago first reported a position in BSX in Q4 2018 and has held it in 9 quarters since. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • IMC Chicago held 520,435 shares of Boston Scientific worth $32.7M as of Q1 2026.
  • IMC Chicago bought 449,345 Boston Scientific shares in Q1 2026, an estimated $35.9M.
  • Boston Scientific made up 0.01% of IMC Chicago's portfolio in Q1 2026, its #654 holding.
  • IMC Chicago first reported a position in Boston Scientific in Q4 2018 and has held it in 9 quarters since.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.