Boston Scientific (BSX) Superinvestor holders
35 of the superinvestors we track hold Boston Scientific (BSX) in their latest 13F filings, $7.5B in total.
Summary
The largest holder is PRIMECAP Management (PRIMECAP Management Co), with $2.2B, 1.3% of the portfolio.
In their latest quarter: 4 opened a new position, 17 added, 14 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| PRIMECAP Management PRIMECAP Management Co |
Added | 50,520,914 | $2.2B | 1.3% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 25,457,409 | $1.1B | 0.7% | Q2 2026 |
| Arrowstreet Capital | Added | 23,293,913 | $994M | 0.4% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 19,359,023 | $826M | 0.6% | Q2 2026 |
| Tom Steyer Farallon Capital Management LLC |
Added | 10,521,184 | $449M | 2.6% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 9,681,750 | $413M | 0.1% | Q2 2026 |
| Lee Ainslie Maverick Capital |
Added | 5,937,553 | $253M | 2.3% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Added | 5,881,367 | $251M | 0.4% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Added | 5,130,774 | $219M | 0.2% | Q2 2026 |
| David Vogel Voloridge Investment Management |
Added | 3,275,326 | $140M | 0.6% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 3,225,164 | $138M | 0.3% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 2,414,223 | $103M | 0.1% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Trimmed | 2,412,005 | $103M | 0.1% | Q2 2026 |
| First Manhattan First Manhattan Co |
Trimmed | 1,697,334 | $72M | 0.2% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Added | 1,477,637 | $63M | 0.3% | Q2 2026 |
| Acadian Acadian Asset Management |
Added | 1,293,175 | $56M | 0.1% | Q3 2026 |
| Brandon Haley Holocene Advisors |
Trimmed | 806,732 | $34M | 0.1% | Q2 2026 |
| Sarah Ketterer Causeway Capital Management |
New position | 720,339 | $31M | 0.3% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Added | 442,036 | $19M | 0.1% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | 374,708 | $16M | 0.0% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Trimmed | 365,241 | $16M | 0.0% | Q2 2026 |
| Ken Fisher Fisher Investments |
Trimmed | 292,236 | $13M | 0.0% | Q3 2026 |
| Artisan Partners | Added | 288,246 | $12M | 0.0% | Q2 2026 |
| Louis Bacon Moore Capital Management |
New position | 189,256 | $8M | 0.2% | Q2 2026 |
| Ric Dillon Diamond Hill Capital Management |
Added | 157,829 | $7M | 0.1% | Q2 2026 |
| Larry Robbins Glenview Capital Management |
New position | 113,096 | $5M | 0.1% | Q2 2026 |
| Dodge & Cox | Trimmed | 87,485 | $4M | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Trimmed | 68,883 | $3M | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Trimmed | 64,563 | $3M | 0.0% | Q2 2026 |
| Jeremy Grantham GMO |
Added | 21,800 | $930,424 | 0.0% | Q2 2026 |
| Paul Glazer Glazer Capital |
New position | 17,999 | $768,000 | 0.0% | Q2 2026 |
| Mairs & Power Mairs & Power Inc |
Trimmed | 9,914 | $423,130 | 0.0% | Q2 2026 |
| Dan Davidowitz Polen Capital Management |
Trimmed | 4,750 | $202,733 | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 3,585 | $153,020 | 0.0% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Added | 319 | $13,615 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 35 |
| Q1 2026 | 39 |
| Q4 2025 | 42 |
| Q3 2025 | 39 |
| Q2 2025 | 40 |
| Q1 2025 | 39 |
| Q4 2024 | 36 |
| Q3 2024 | 39 |
Questions about Boston Scientific
Which superinvestors own Boston Scientific?
35 of the superinvestors we track hold Boston Scientific (BSX) in their latest 13F filings, $7.5B in total. PRIMECAP Management, David Shaw, Arrowstreet Capital, Two Sigma, Tom Steyer, Cliff Asness.
Who is the largest superinvestor holder of BSX?
The largest holder is PRIMECAP Management (PRIMECAP Management Co), with $2.2B, 1.3% of the portfolio.
From Boston Scientific's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.