Boston Scientific CORP (BSX) Institutional Ownership Tracker (Q2 2026)

BSX ranks #242 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

BSX is a top-conviction position for Bollard Group LLC — at 23.9% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in BSX belongs to BlackRock, Inc., but the position matters far more to Bollard Group LLC, who has 23.9% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Two Sigma Investments, LP has added to its BSX position for two straight quarters, increasing it by $592.9M to reach $828.9M today.

BlackRock has trimmed its BSX position for two straight quarters, cutting it by $7.4B while still holding $5.5B.

BSX is up 0.6% today, and institutions have been net buyers of $5.9B this quarter — today's price move and the underlying institutional flow are pointing the same direction.

BSX posted net income of $3.7B over the trailing twelve months, and currently trades at a P/E of 19.7.

• Profitable — net income of $3.7B over the trailing twelve months
• Revenue grew 13.5% year over year
• Net income improved year over year, from $2.5B to $3.7B
• Generated $4.5B in positive operating cash flow
• Current ratio of 1.62x — enough short-term assets to cover short-term liabilities
• Liabilities run 1.80x equity — within a conventional range