Investment Management Corp of Ontario (IMCO)’s Boston Scientific BSX Stock Holding History

Investment Management Corp of Ontario (IMCO)’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	$4.05M	Sell	94,823 -11,200	-11%	-$608K	0.05%	307
2026 Q1	$6.65M	Sell	106,023 -27,518	-21%	-$2.2M	0.09%	213
2025 Q4	$12.7M	Buy	133,541 +50,494	+61%	+$4.95M	0.17%	119
2025 Q3	$8.11M	Buy	83,047 +7,549	+10%	+$782K	0.12%	134
2025 Q2	$8.11M	Sell	75,498 -10,502	-12%	-$1.06M	0.12%	116
2025 Q1	$8.68M	Buy	+86,000	New	+$8.66M	0.18%	92
2024 Q4	–	Sell	-92,166	Closed	-$7.72M	–	371
2024 Q3	$7.72M	Buy	92,166 +16,000	+21%	+$1.26M	0.17%	95
2024 Q2	$5.87M	Buy	76,166 +52,498	+222%	+$3.84M	0.16%	92
2024 Q1	$1.62M	Sell	23,668 -10,500	-31%	-$675K	0.05%	234
2023 Q4	$1.98M	Buy	+34,168	New	+$1.82M	0.05%	243
2023 Q3	–	Sell	-8,726	Closed	-$472K	–	220
2023 Q2	$472K	Buy	+8,726	New	+$456K	0.02%	176

Other funds holding BSX

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Investment Management Corp of Ontario (IMCO)'s BSX Position: Q2 2026 in Review

Investment Management Corp of Ontario (IMCO) reduced its Boston Scientific (BSX) stake by 11% in Q2 2026, selling an estimated $608K and leaving 94,823 shares worth $4.05M. The position accounts for 0.05% of the portfolio, ranked #307.

Investment Management Corp of Ontario (IMCO) first reported a position in BSX in Q2 2023 and has held it in 11 quarters since. The position peaked at $12.7M in Q4 2025. 1,474 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

Investment Management Corp of Ontario (IMCO) held 94,823 shares of Boston Scientific worth $4.05M as of Q2 2026.
Investment Management Corp of Ontario (IMCO) sold 11,200 Boston Scientific shares in Q2 2026, an estimated $608K.
Boston Scientific made up 0.05% of Investment Management Corp of Ontario (IMCO)'s portfolio in Q2 2026, its #307 holding.
Investment Management Corp of Ontario (IMCO) first reported a position in Boston Scientific in Q2 2023 and has held it in 11 quarters since.
Investment Management Corp of Ontario (IMCO)'s Boston Scientific position peaked at $12.7M in Q4 2025.
1,474 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q2 2026, filed 14 Aug 2026.