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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 		$14.3M Buy
146,100
+49,500
+51% +$5.13M 0.07% 406
2025
Q2 		$10.4M Buy
96,600
+39,800
+70% +$4.03M 0.05% 579
2025
Q1 		$5.73M Buy
56,800
+47,700
+524% +$4.8M 0.03% 801
2024
Q4 		$813K Sell
9,100
-13,600
-60% -$1.2M 0.01% 1925
2024
Q3 		$1.9M Buy
22,700
+3,700
+19% +$292K 0.01% 1455
2024
Q2 		$1.46M Sell
19,000
-7,300
-28% -$534K 0.01% 1527
2024
Q1 		$1.8M Buy
+26,300
New +$1.69M 0.01% 1737
2023
Q4 		– Sell
-4,200
Closed -$222K – 3611
2023
Q3 		$222K Sell
4,200
-13,300
-76% -$698K ﹤0.01% 2726
2023
Q2 		$947K Buy
+17,500
New +$914K 0.01% 1986

Other funds holding BSX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Morgan Stanley
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.