Security record · archived quarter
BSX
Boston Scientific Corporation · Healthcare · Medical - Devices
21Tracked holders
—Δ holders
195.84MShares held
$15.04BReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 182 | -1 | 1.07B | $46.05B | +3 | −3 |
| Q1 2026 | 185 | -2 | 1.08B | $67.75B | +2 | −5 |
| Q4 2025 | 186 | +1 | 1.13B | $107.60B | +2 | — |
| Q3 2025 | 28 | 0 | 719.46M | $70.18B | — | −1 |
| Q2 2025 | 26 | -1 | 668.30M | $71.71B | — | −1 |
| Q1 2025 | 24 | +1 | 275.71M | $27.75B | +1 | — |
| Q4 2024 | 23 | -1 | 268.54M | $23.93B | — | −1 |
| Q3 2024 | 23 | +2 | 200.54M | $16.75B | +2 | — |
| Q2 2024 | 21 | — | 195.84M | $15.04B | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management ✦ | 37.96M | — | $2.92B | 2.1% | n/c | 1 | SEC ↗ |
| 2 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 3 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 4 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 5 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 6 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 7 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 8 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 9 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 10 | Wellington Management ✦ | 32.10M | — | $2.47B | 0.4% | n/c | 1 | SEC ↗ |
| 11 | Geode Capital Management ✦ (passive) | 29.10M | — | $2.23B | 0.2% | n/c | 1 | SEC ↗ |
| 12 | Geode Capital Management ✦ (passive) | 29.10M | — | $2.23B | 0.2% | n/c | 1 | SEC ↗ |
| 13 | Capital World Investors ✦ | 20.40M | — | $1.57B | 0.3% | n/c | 1 | SEC ↗ |
| 14 | Norges Bank ✦ (passive) | 17.88M | — | $1.38B | 0.2% | n/c | 1 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 12.50M | — | $962.61M | 1.0% | n/c | 1 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 12.50M | — | $962.61M | 1.0% | n/c | 1 | SEC ↗ |
| 17 | Millennium Management ✦ | 11.27M | — | $829.35M | 0.7% | n/c | 1 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 8.07M | — | $621.55M | 0.1% | n/c | 1 | SEC ↗ |
| 19 | T. Rowe Price ✦ | 8.07M | — | $621.55M | 0.1% | n/c | 1 | SEC ↗ |
| 20 | Marshall Wace ✦ | 6.72M | — | $517.54M | 0.7% | n/c | 1 | SEC ↗ |
| 21 | Marshall Wace ✦ | 6.72M | — | $517.54M | 0.7% | n/c | 1 | SEC ↗ |
| 22 | Marshall Wace ✦ | 6.72M | — | $517.54M | 0.7% | n/c | 1 | SEC ↗ |
| 23 | Arrowstreet Capital ✦ | 4.81M | — | $370.76M | 0.3% | n/c | 1 | SEC ↗ |
| 24 | Fisher Asset Management ✦ | 4.08M | — | $314.00M | 0.1% | n/c | 1 | SEC ↗ |
| 25 | Point72 Asset Management ✦ | 3.13M | — | $240.66M | 0.8% | n/c | 1 | SEC ↗ |
| 26 | Adage Capital Partners ✦ | 2.81M | — | $216.39M | 0.4% | n/c | 1 | SEC ↗ |
| 27 | Two Sigma Investments ✦ | 1.85M | — | $142.80M | 0.3% | n/c | 1 | SEC ↗ |
| 28 | Bridgewater Associates ✦ | 1.17M | — | $90.25M | 0.5% | n/c | 1 | SEC ↗ |
| 29 | D. E. Shaw & Co. ✦ | 818.63K | — | $63.04M | 0.1% | n/c | 1 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 818.63K | — | $63.04M | 0.1% | n/c | 1 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 702.22K | — | $53.90M | 0.1% | n/c | 1 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 702.22K | — | $53.90M | 0.1% | n/c | 1 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 702.22K | — | $53.90M | 0.1% | n/c | 1 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 702.22K | — | $53.90M | 0.1% | n/c | 1 | SEC ↗ |
| 35 | Soros Fund Management ✦ | 250.00K | — | $19.25M | 0.6% | n/c | 1 | SEC ↗ |
| 36 | GAMCO Investors ✦ | 103.32K | — | $7.96M | 0.1% | n/c | 1 | SEC ↗ |
| 37 | Dodge & Cox ✦ | 97.09K | — | $7.48M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Gotham Asset Management ✦ | 6.12K | — | $470,916 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,653 holders, 1.31B shares, $78.98B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 06
SC 13G/A — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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