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BOSTON SCIENTIFIC CORP

BSX·NYSE·United States 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
Loading price history…
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
All congressional trades →
PoliticianStockTypeFiledTraded
Kevin HernKevin HernHouse · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Sale
$1,001 - $15,000
Sep 25, 2026 Sep 3, 2026 Filing ↗
Kevin HernKevin HernHouse · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Sale
$50,001 - $100,000
Sep 25, 2026 Sep 4, 2026 Filing ↗
Kevin HernKevin HernHouse · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Sale
$15,001 - $50,000
Sep 25, 2026 Aug 31, 2026 Filing ↗
Kevin HernKevin HernHouse · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Sale
$1,001 - $15,000
Sep 25, 2026 Sep 3, 2026 Filing ↗
Kevin HernKevin HernHouse · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Sale
$50,001 - $100,000
Sep 25, 2026 Sep 9, 2026 Filing ↗
Kevin HernKevin HernHouse · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Sale
$1,001 - $15,000
Sep 25, 2026 Sep 3, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Sep 10, 2026 Aug 18, 2026 Filing ↗
Alan ArmstrongAlan ArmstrongSenate · R · OK BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Jul 21, 2026 Mar 27, 2026 Filing ↗
John BoozmanJohn BoozmanSenate · R · AR BSXBOSTON SCIENTIFIC CORP · Stock Sale
$1,001 - $15,000
Jul 13, 2026 Jun 4, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Sale
$1,001 - $15,000
Jul 2, 2026 Jun 5, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Jul 2, 2026 Jun 5, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Jun 8, 2026 May 11, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Jun 8, 2026 May 19, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Jun 8, 2026 May 29, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Common Stock Sale
$1,001 - $15,000
May 11, 2026 Apr 13, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Common Stock Purchase
$1,001 - $15,000
May 11, 2026 Apr 24, 2026 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Apr 8, 2026 Mar 27, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Common Stock Purchase
$1,001 - $15,000
Apr 7, 2026 Mar 10, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Sale
$15,001 - $50,000
Apr 7, 2026 Mar 23, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Common Stock Purchase
$15,001 - $50,000
Apr 7, 2026 Mar 30, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Common Stock Sale
$15,001 - $50,000
Mar 9, 2026 Feb 5, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Sale
$15,001 - $50,000
Mar 9, 2026 Feb 24, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Common Stock Sale
$1,001 - $15,000
Mar 9, 2026 Feb 6, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$1,001 - $15,000
Mar 9, 2026 Feb 10, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA BSXBOSTON SCIENTIFIC CORP · Stock Purchase
$15,001 - $50,000
Mar 9, 2026 Feb 17, 2026 Filing ↗

Whale Activity

Position changes in BSX reported for 2026-06-30 by 22 tracked institutional filers
Increased: 6New: 1Decreased: 4No prior filing: 11
  • Increased6
  • New1
  • Held0
  • Decreased4
  • Closed0
  • No prior filing11
FilerSharesValueChange
BlackRock, Inc.129.7M$5.53Bdecreased
VANGUARD CAPITAL MANAGEMENT LLC97.1M$4.14Bincreased
VANGUARD PORTFOLIO MANAGEMENT LLC29.8M$1.27Bdecreased
D. E. Shaw & Co., Inc.25.5M$1.09Bincreased
TWO SIGMA INVESTMENTS, LP19.4M$826.2Mincreased
CITADEL ADVISORS LLC5.0M$212.9Mincreased
MILLENNIUM MANAGEMENT LLC5.4M$210.7Mincreased
RENAISSANCE TECHNOLOGIES LLC2.4M$102.9Mdecreased
CAPITAL FUND MANAGEMENT S.A.1.5M$63.4M—
Harvest Portfolios Group Inc.1.3M$54.0M—
Bridgewater Associates, LP442.0K$18.9Mincreased
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
-1.0M-500.0K0500.0K1.0M2025 Q1: -235.3K2025 Q12025 Q2: -585.2K2025 Q22025 Q3: -174.2K2025 Q32025 Q4: -143.1K2025 Q42026 Q1: -160.9K2026 Q12026 Q2: 9,8002026 Q22026 Q3: 196.6K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

5,523 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
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
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
47.2M$2.01B0.09%Jun 30, 2026
VANGUARD 500 INDEX FUND
VANGUARD INDEX FUNDS
38.5M$1.64B0.10%Jun 30, 2026
VANGUARD PRIMECAP FUND
VANGUARD CHESTER FUNDS
30.8M$1.32B1.37%Jun 30, 2026
Fidelity 500 Index Fund
Fidelity Concord Street Trust
19.0M$916.8M0.11%May 31, 2026
iShares Core S&P 500 ETF
iShares Trust
20.4M$872.6M0.10%Jun 30, 2026
State Street(R) SPDR(R) S&P 500(R) ETF Trust18.0M$768.8M0.10%Jun 30, 2026
Growth Fund of America13.0M$629.4M0.17%May 31, 2026
VANGUARD HEALTH CARE FUND
VANGUARD SPECIALIZED FUNDS
12.5M$582.9M1.53%Jul 31, 2026
State Street(R) Health Care Select Sector SPDR(R) ETF
SELECT SECTOR SPDR TRUST
10.5M$448.2M1.10%Jun 30, 2026
VANGUARD GROWTH INDEX FUND
VANGUARD INDEX FUNDS
9.2M$393.1M0.10%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
$0$1.3M$2.5M$3.8M$5.0M2023 Q1: $450K2023 Q2: $450K2023 Q3: $450K2023 Q4: $450K20232024 Q1: $470K2024 Q2: $470K2024 Q3: $510K2024 Q4: $510K20242025 Q1: $560K2025 Q2: $730K2025 Q3: $730K2025 Q4: $730K20252026 Q1: $802K2026 Q2: $802K2026
  • 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 yearFY2025FY2024FY2023FY2022FY2021
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