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 Q2	$8.18M	Sell	191,591 -328,844	-63%	-$17.9M	﹤0.01%	1696
2026 Q1	$32.7M	Buy	520,435 +449,345	+632%	+$35.9M	0.01%	654
2025 Q4	$6.78M	Buy	71,090 +51,263	+259%	+$5.03M	﹤0.01%	1511
2025 Q3	$1.94M	Buy	+19,827	New	+$2.05M	﹤0.01%	2249
2025 Q2	–	Sell	-21,387	Closed	-$2.16M	–	3309
2025 Q1	$2.16M	Sell	21,387 -2,726	-11%	-$274K	﹤0.01%	1754
2024 Q4	$2.15M	Sell	24,113 -7,664	-24%	-$675K	﹤0.01%	1818
2024 Q3	$2.66M	Buy	31,777 +9,210	+41%	+$726K	﹤0.01%	1492
2024 Q2	$1.74M	Buy	+22,567	New	+$1.65M	﹤0.01%	1644
2024 Q1	–	Sell	-25,665	Closed	-$1.65M	–	2348
2023 Q4	$1.48M	Buy	+25,665	New	+$1.37M	﹤0.01%	1309
2019 Q1	–	Sell	-5,659	Closed	-$200K	–	656
2018 Q4	$200K	Buy	+5,659	New	+$205K	﹤0.01%	850

Other funds holding BSX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

Vontobel Holding Zurich, Switzerland $31.4B AUM 31.97% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return

Mitsubishi UFJ Asset Management Tokyo, Japan $180B AUM 37.51% 1-Year Est. Return

Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return

IMC Chicago's BSX Position: Q2 2026 in Review

IMC Chicago reduced its Boston Scientific (BSX) stake by 63% in Q2 2026, selling an estimated $17.9M and leaving 191,591 shares worth $8.18M. The position accounts for ﹤0.01% of the portfolio, ranked #1696.

IMC Chicago first reported a position in BSX in Q4 2018 and has held it in 10 quarters since. The position peaked at $32.7M in Q1 2026. 770 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

IMC Chicago held 191,591 shares of Boston Scientific worth $8.18M as of Q2 2026.
IMC Chicago sold 328,844 Boston Scientific shares in Q2 2026, an estimated $17.9M.
Boston Scientific made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #1696 holding.
IMC Chicago first reported a position in Boston Scientific in Q4 2018 and has held it in 10 quarters since.
IMC Chicago's Boston Scientific position peaked at $32.7M in Q1 2026.
770 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.