GuruTrack
BSX

BSX

BOSTON SCIENTIFIC CORP

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary
BOSTON SCIENTIFIC CORP (BSX) is held as common stock by 9 tracked hedge-fund managers, with a combined reported value of ~$644.73M; the largest are Ken Griffin, Izzy Englander, Renaissance Technologies. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 5 added, 4 trimmed, 2 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Common-stock holders94 also report options
Congress trades20
Price$44.11vs quarter-end+3.35%
Sectors1
This quarter's moves
New0
Added5
Trimmed / sold6
Top holderKen Griffin

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinCALL—
Value $115.30M— of portfolio2,701,6002026 Q2
Ken GriffinPUT—
Value $105.25M— of portfolio2,466,0002026 Q2
Steven CohenCALL—
Value $15.38M— of portfolio360,3002026 Q2
Izzy EnglanderCALL—
Value $13.09M— of portfolio306,8002026 Q2
Paul Tudor JonesPUT—
Value $12.59M— of portfolio295,0002026 Q2
Paul Tudor JonesCALL—
Value $8.48M— of portfolio198,8002026 Q2
Izzy EnglanderPUT—
Value $8.30M— of portfolio194,5002026 Q2
Steven CohenPUT—
Value $6.47M— of portfolio151,6002026 Q2

Insider Trading

Officers · directors · Form 4
Open-market purchases and sales (P/S)10

  • Susan E Morano

    Director

    Buy$100.4K
    2,040 @ $49.22Traded 2026-08-25Filed 2026-08-26

  • David C Habiger

    Director

    Buy$99.9K
    2,100 @ $47.59Traded 2026-08-05Filed 2026-08-07

  • David C Habiger

    Director

    Buy$6.8K
    140 @ $48.59Traded 2026-08-03Filed 2026-08-05

  • David C Habiger

    Director

    Buy$50.1K
    1,042 @ $48.07Traded 2026-08-03Filed 2026-08-05

  • Michael F Mahoney

    Chairman, President & CEO

    Buy$9.00M
    186,240 @ $48.33Traded 2026-08-03Filed 2026-08-05

  • Edward J Ludwig

    Director

    Buy$227.4K
    5,000 @ $45.48Traded 2026-07-31Filed 2026-08-03

  • Edward J Ludwig

    Director

    Buy$202.9K
    3,580 @ $56.68Traded 2026-05-20Filed 2026-05-21

  • Cheryl Pegus

    Director

    Buy$100.0K
    1,770 @ $56.49Traded 2026-05-20Filed 2026-05-21

  • David C Habiger

    Director

    Buy$125.3K
    2,200 @ $56.95Traded 2026-05-19Filed 2026-05-21

  • David C Habiger

    Director

    Buy$125.8K
    2,250 @ $55.92Traded 2026-05-19Filed 2026-05-21

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.