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BOSTON SCIENTIFIC CORP
BSX·NYSE·
United States·USD
$42.19
-0.21 (-0.50%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
BSX
BOSTON SCIENTIFIC CORP · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
BSXS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of BSX by members of U.S. Congress · 225 on record · 40 in the last 12 months
Whale Activity
Position changes in BSX reported for 2026-06-30 by 22 tracked institutional filers
- Increased6
- New1
- Held0
- Decreased4
- Closed0
- No prior filing11
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 129.7M | $5.53B | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 97.1M | $4.14B | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 29.8M | $1.27B | decreased |
| D. E. Shaw & Co., Inc. | 25.5M | $1.09B | increased |
| TWO SIGMA INVESTMENTS, LP | 19.4M | $826.2M | increased |
| CITADEL ADVISORS LLC | 5.0M | $212.9M | increased |
| MILLENNIUM MANAGEMENT LLC | 5.4M | $210.7M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 2.4M | $102.9M | decreased |
| CAPITAL FUND MANAGEMENT S.A. | 1.5M | $63.4M | — |
| Harvest Portfolios Group Inc. | 1.3M | $54.0M | — |
| Bridgewater Associates, LP | 442.0K | $18.9M | increased |
| SUMITOMO MITSUI FINANCIAL GROUP, INC. | 412.5K | $17.6M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by BSX insiders, by quarter · Form 4
Recent Insider Transactions
5,523 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Morano Susan EDirector · Director | Purchase | +2,040 | $49.22 | $100K | Aug 25, 2026 | Form 4 ↗ |
| Habiger David CDirector · Director | Purchase | +2,100 | $47.59 | $100K | Aug 5, 2026 | Form 4 ↗ |
| Habiger David CDirector · Director | Purchase | +140 | $48.59 | $7K | Aug 4, 2026 | Form 4 ↗ |
| Habiger David CDirector · Director | Purchase | +1,042 | $48.07 | $50K | Aug 3, 2026 | Form 4 ↗ |
| Mahoney Michael FChairman, President & CEO · Director | Purchase | +186.2K | $48.33 | $9.0M | Aug 3, 2026 | Form 4 ↗ |
| LUDWIG EDWARD JDirector · Director | Purchase | +5,000 | $45.48 | $227K | Jul 31, 2026 | Form 4 ↗ |
| Mahoney Michael FChairman, President & CEO · Director | Gift | −386.8K | $0.00 | $0 | May 28, 2026 | Form 4 ↗ |
| Pegus CherylDirector | Purchase | +1,770 | $56.49 | $100K | May 20, 2026 | Form 4 ↗ |
| LUDWIG EDWARD JDirector | Purchase | +3,580 | $56.68 | $203K | May 20, 2026 | Form 4 ↗ |
| Habiger David CDirector | Purchase | +2,250 | $55.92 | $126K | May 20, 2026 | Form 4 ↗ |
| Habiger David CDirector | Purchase | +2,200 | $56.95 | $125K | May 19, 2026 | Form 4 ↗ |
| Zane Ellen MDirector | Grant / award | +3,800 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| WICHMANN DAVID SDirector | Grant / award | +3,800 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Weber Christophe PierreDirector | Grant / award | +1,140 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Weber Christophe PierreDirector | Grant / award | +1,767 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Morano Susan EDirector | Grant / award | +1,281 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Morano Susan EDirector | Grant / award | +3,800 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Mega Jessica LDirector | Grant / award | +3,800 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| LUDWIG EDWARD JDirector | Grant / award | +3,800 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Habiger David CDirector | Grant / award | +3,800 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding BSX · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 47.2M | $2.01B | 0.09% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 38.5M | $1.64B | 0.10% | Jun 30, 2026 |
| VANGUARD PRIMECAP FUND VANGUARD CHESTER FUNDS | 30.8M | $1.32B | 1.37% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 19.0M | $916.8M | 0.11% | May 31, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 20.4M | $872.6M | 0.10% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 18.0M | $768.8M | 0.10% | Jun 30, 2026 |
| Growth Fund of America | 13.0M | $629.4M | 0.17% | May 31, 2026 |
| VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS | 12.5M | $582.9M | 1.53% | Jul 31, 2026 |
| State Street(R) Health Care Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 10.5M | $448.2M | 1.10% | Jun 30, 2026 |
| VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 9.2M | $393.1M | 0.10% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list BSX's shares (CUSIP 101137107), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 46.4M shares3.1%
Aug 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 46.4M shares3.1%
Aug 6, 2026 · ↗ - Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 75.8M shares5.1%
May 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 75.8M shares5.1%
May 6, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming boston scientific as client
- HOLLIER & ASSOCIATESBOSTON SCIENTIFIC · 2026 Q2 · TAX$60K
Filing ↗ - LIBERTY PARTNERS GROUP, LLCBOSTON SCIENTIFIC (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA) · 2026 Q2 · MMM—
Filing ↗ - LIBERTY PARTNERS GROUP, LLCBOSTON SCIENTIFIC (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA) · 2026 Q2 · MMM—
Filing ↗ - ALSTON & BIRD LLPBOSTON SCIENTIFIC CORPORATION · 2026 Q2 · HCR, TAX, TRD$80K
Filing ↗ - BOSTON SCIENTIFIC CORPORATIONBOSTON SCIENTIFIC CORPORATION · 2026 Q2 · ENV, HCR, VET, TAX$642K
Filing ↗
Government Contracts
Federal awards to boston scientific · USAspending
$21.2MAwarded · 89 contracts on record
- Department of Veterans AffairsTHERASPHERES ORDERED FOR PALO ALTO$832K
Oct 1, 2026 · ↗ - Department of Veterans AffairsY90 THERESPHERE$1.2M
Jan 1, 2024 · ↗ - Department of Veterans AffairsSAVAHCS REQUIRES A MAINTENANCE CONTRACT FOR BOSTON SCIENTIFIC EQUIPMENT ANGIOJET$30K
May 15, 2024 · ↗ - Department of Veterans AffairsTHERASPHERE Y90$1.0M
Oct 1, 2026 · ↗ - Department of Veterans AffairsTHERASPHERE Y90$524K
Oct 1, 2026 · ↗ - Department of Veterans AffairsTHERASPHERE Y90$214K
Oct 1, 2026 · ↗ - Department of Veterans AffairsTHERASPHERE Y-90 GLASS MICROSPHERE MEDICATION$3.8M
Oct 1, 2022 · ↗ - Department of Veterans AffairsTHERASPHERE YTTRIUM-90$880K
Oct 1, 2026 · ↗
U.S. Patents
Recent USPTO applications naming BOSTON SCIENTIFIC CORP
No USPTO patent applications found for BOSTON SCIENTIFIC CORP.
Annual Financials
From BSX's 10-K filings · XBRL
| Fiscal year | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $20.07B | $16.75B | $14.24B | $12.68B | $11.89B |
| Operating income | $3.61B | $2.60B | $2.34B | $1.65B | $1.20B |
| Diluted EPS | $1.94 | $1.25 | $1.07 | $0.45 | $0.69 |
| Operating cash flow | $4.53B | $3.44B | $2.50B | $1.53B | $1.87B |
| Cash and equivalents | $1.97B | $414.0M | $865.0M | $928.0M | $1.93B |
| Total assets | $43.67B | $39.40B | $35.14B | $32.47B | $32.23B |
| Shareholders' equity | $24.23B | $21.77B | $19.28B | $17.57B | $16.62B |
As BOSTON SCIENTIFIC CORP tagged them in its 10-K filings: totals for the year on the income and cash-flow lines, values at the year's end on the balance-sheet lines. Latest 10-K, filed Feb 17, 2026 ↗
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitNov 6, 2003
- 2-for-1Stock splitDec 1, 1998
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 5.02Officer / director changeSep 23, 2026
EDGAR ↗ - 8-K · Items 1.05Sep 8, 2026
EDGAR ↗ - 8-K · Items 8.01Other eventsAug 26, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsJul 29, 2026
EDGAR ↗ - 8-K · Items 2.05Exit or disposal costsJul 27, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsMay 18, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsMay 18, 2026
EDGAR ↗ - 8-K · Items 5.03, 5.07, 9.01Bylaw amendment · Shareholder voteMay 5, 2026
EDGAR ↗
About BOSTON SCIENTIFIC CORP
From SEC EDGAR company records
Industry (SIC 3841)Surgical & Medical Instruments & Apparatus
SectorHealthcare
HeadquartersMARLBOROUGH, MA
IncorporatedDE
SEC CIK0000885725 ↗






