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Tannin Capital’s Boston Scientific BSX Stock Holding History

Tannin Capital’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 		$309K Buy
7,229
+2,127
+42% +$115K 0.2% 123
2026
Q1 		$320K Buy
5,102
+627
+14% +$50.2K 0.23% 106
2025
Q4 		$427K Buy
+4,475
New +$439K 0.38% 73

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

Tannin Capital's BSX Position: Q2 2026 in Review

Tannin Capital increased its Boston Scientific (BSX) stake by 42% in Q2 2026, buying an estimated $115K and bringing the position to 7,229 shares worth $309K. The position accounts for 0.2% of the portfolio, ranked #123.

Tannin Capital first reported a position in BSX in Q4 2025 and has held it in 3 quarters since. The position peaked at $427K in Q4 2025. 1,474 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Tannin Capital held 7,229 shares of Boston Scientific worth $309K as of Q2 2026.
  • Tannin Capital bought 2,127 Boston Scientific shares in Q2 2026, an estimated $115K.
  • Boston Scientific made up 0.2% of Tannin Capital's portfolio in Q2 2026, its #123 holding.
  • Tannin Capital first reported a position in Boston Scientific in Q4 2025 and has held it in 3 quarters since.
  • Tannin Capital's Boston Scientific position peaked at $427K in Q4 2025.
  • 1,474 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Tannin Capital's 13F filing for Q2 2026, filed 4 Aug 2026.