Cubist Systematic Strategies’s Boston Scientific BSX Stock Holding History

Cubist Systematic Strategies’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
2025 Q3	$9.1M	Buy	93,200 +43,900	+89%	+$4.55M	0.04%	619
2025 Q2	$5.3M	Sell	49,300 -1,700	-3%	-$172K	0.02%	986
2025 Q1	$5.14M	Buy	51,000 +41,500	+437%	+$4.18M	0.03%	868
2024 Q4	$849K	Buy	+9,500	New	+$836K	0.01%	1894
2024 Q1	–	Sell	-11,500	Closed	-$665K	–	3750
2023 Q4	$665K	Buy	+11,500	New	+$614K	﹤0.01%	2357
2023 Q3	–	Sell	-14,400	Closed	-$779K	–	3371
2023 Q2	$779K	Buy	+14,400	New	+$752K	0.01%	2114

Other funds holding BSX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Cubist Systematic Strategies's BSX Position: Q3 2025 in Review

Cubist Systematic Strategies increased its Boston Scientific (BSX) stake by 100% in Q3 2025, buying an estimated $46.7M and bringing the position to 903,124 shares worth $88.2M. The position accounts for 0.42% of the portfolio, ranked #11.

Cubist Systematic Strategies first reported a position in BSX in Q2 2014 and has held it in 45 quarters since. 1,708 funds tracked by Wall St. Rank hold BSX as of Q3 2025.

Cubist Systematic Strategies held 903,124 shares of Boston Scientific worth $88.2M as of Q3 2025.
Cubist Systematic Strategies bought 451,164 Boston Scientific shares in Q3 2025, an estimated $46.7M.
Boston Scientific made up 0.42% of Cubist Systematic Strategies's portfolio in Q3 2025, its #11 holding.
Cubist Systematic Strategies first reported a position in Boston Scientific in Q2 2014 and has held it in 45 quarters since.
1,708 funds tracked by Wall St. Rank held Boston Scientific as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.