Boston Scientific Corp. 13F holders
Of the 44 funds followed here, 11 reported a position in Boston Scientific Corp. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 45.7 million shares worth $1.95 billion, 0.1% of its reported book. Sold out: Lone Pine Capital.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 45,702,845 | $1.95 billion | 0.1% | -28,523,550 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 33,440,102 | $1.42 billion | 0.1% | +154,345 | added | 30 June 2026 | 13F |
| Norges Bank | 21,170,029 | $903.5 million | 0.1% | held | 30 June 2026 | 13F | |
| Two Sigma Investments | 19,420,323 | $828.9 million | 0.6% | +10,004,092 | added | 30 June 2026 | 13F |
| Capital Research Global Investors | 14,180,571 | $605.3 million | 0.1% | +7,099,684 | added | 30 June 2026 | 13F |
| Citadel Advisors | 10,155,348 | $433.4 million | 0.0% | +3,415,734 | added | 30 June 2026 | 13F |
| Millennium Management | 5,938,867 | $232.1 million | 0.1% | +602,663 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 2,412,005 | $102.9 million | 0.1% | -740,000 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 877,141 | $37.4 million | 0.0% | -4,953,274 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 442,036 | $18.9 million | 0.1% | +365,044 | added | 30 June 2026 | 13F |
| Dodge & Cox | 87,485 | $3.7 million | 0.0% | -1,400 | trimmed | 30 June 2026 | 13F |
| Lone Pine Capital | 0 | $0 | 0.0% | -104,655 | exited | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 6 August 2026 | 13G/A | Fmr Llc and 3 others | 46.4 million | 3.1% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 May 2026 | 13G/A | Fmr Llc and 3 others | 75.8 million | 5.1% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 111.1 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 24 August 2026 | 3,497 | $50.37 | SEC |
| 20 August 2026 | 28,890 | $52.01 | SEC |
| 12 August 2026 | 51 | $51.19 | SEC |
| 10 August 2026 | 100 | $49.31 | SEC |
| 4 August 2026 | 1 | $48.43 | SEC |
| 3 August 2026 | 200 | $46.73 | SEC |
| 29 July 2026 | 11,681 | $46.06 | SEC |
| 20 July 2026 | 273 | $44.03 | SEC |
| 15 July 2026 | 38 | $42.63 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 28,890 on 20 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to BSX by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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