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Boston Scientific
BSX

Fund managers haven’t disclosed any holdings of BSX yet.

BSX Hedge Fund Activity: Q2 2026 in Review

1,468 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Boston Scientific (BSX) for Q2 2026, worth a combined $57.3B — down 32% from $84.2B a quarter earlier.

Sellers outnumbered buyers: 325 funds closed out of BSX and 147 opened new positions — a net loss of 178 holders — while 610 trimmed existing stakes and 584 added.

The largest buyer was Primecap Management, adding an estimated $977M. The largest seller was Fidelity Investments, cutting an estimated $1.55B.

  • 1,468 institutional investors held Boston Scientific (BSX) as of Q2 2026, down from 1,676 in Q1 2026.
  • Funds reported $57.3B of Boston Scientific stock for Q2 2026, down 32% quarter-over-quarter.
  • 147 funds opened new Boston Scientific positions in Q2 2026 and 325 closed out, a net change of -178 holders.
  • The largest Boston Scientific buyer in Q2 2026 was Primecap Management, an estimated $977M added.
  • The largest Boston Scientific seller in Q2 2026 was Fidelity Investments, an estimated $1.55B sold.

Based on aggregated 13F filings for Q2 2026.