SB
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SIG Brokerage’s Boston Scientific BSX Stock Holding History

SIG Brokerage’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 		$973K Buy
+22,800
New +$1.24M 0.02% 485
2025
Q4 		– Sell
-10,000
Closed -$976K – 690
2025
Q3 		$976K Sell
10,000
-57,400
-85% -$5.94M 0.03% 393
2025
Q2 		$7.24M Buy
+67,400
New +$6.82M 0.19% 75

Other funds holding BSX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

SIG Brokerage's BSX Position: Q2 2026 in Review

SIG Brokerage opened a new position in Boston Scientific (BSX) in Q2 2026: 6,694 shares worth $286K. The stake represents 0.01% of the portfolio and ranks #781 among its holdings. This is a return to the name: SIG Brokerage previously reported a position in BSX as recently as Q4 2025.

SIG Brokerage first reported a position in BSX in Q1 2025 and has held it in 5 quarters since. The position peaked at $5.5M in Q2 2025. 1,477 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • SIG Brokerage held 6,694 shares of Boston Scientific worth $286K as of Q2 2026.
  • Boston Scientific was a new SIG Brokerage position in Q2 2026.
  • Boston Scientific made up 0.01% of SIG Brokerage's portfolio in Q2 2026, its #781 holding.
  • SIG Brokerage first reported a position in Boston Scientific in Q1 2025 and has held it in 5 quarters since.
  • SIG Brokerage's Boston Scientific position peaked at $5.5M in Q2 2025.
  • 1,477 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on SIG Brokerage's 13F filing for Q2 2026, filed 14 Aug 2026.