Tracked funds
18Unique WSM-tracked managers; table rows may include common shares and optionsBSX
Ticker case file
BSX
BOSTON SCIENTIFIC CORP
$47.69+0.02%NYQ
Politicians active
3Recent transactions disclosed via House Clerk / Senate eFD13F notional
$8.8B2026-03-31Top conviction
3.0%max % across any fund's portfolioThis page is the WSM tracked universe, not market-wide ownership. 13F rows are quarterly snapshots, about 45 days delayed; PTR rows are event-based public disclosures.
13F filing
Funds holding this ticker
Politician
Politician PTR activity
| Public date | Politician | Action | Owner | Amount range | Filing |
|---|---|---|---|---|---|
| 2025-11-16 | Kevin Hern HouseholdR · OK-01 | Sale (Partial) | Self | $15K–$50K | 20033458 |
| 2025-10-10 | Valerie Hoyle HouseholdD · OR-04 | Sale | Self | $1K–$15K | 20032211 |
| 2025-05-12 | Bruce Westerman HouseholdR · AR-04 | Sale | Self | $1K–$15K | 20030332 |
| 2025-04-16 | Bruce Westerman HouseholdR · AR-04 | Purchase | Self | $1K–$15K | 20030146 |
Combined activity
13F filings + PTR transactions, newest first
- 13F filing2026-05-15FMR LLC · $4.7B↗
- 13F filing2026-05-15Two Sigma Investments, LP · $590.6M↗
- 13F filing2026-05-15Farallon Capital Management LLC · $468.8M↗
- 13F filing2026-05-15Citadel Advisors LLC · $264.6M↗
- 13F filing2026-05-15Maverick Capital Ltd · $263.2M↗
- 13F filing2026-05-15Millennium Management LLC · $240.8M↗
- 13F filing2026-05-15Point72 Asset Management, L.P. · $231.4M↗
- 13F filing2026-05-15OrbiMed Advisors LLC · $149.5M↗
- 13F filing2026-05-15Point72 Asset Management, L.P. · $132.5M↗
- 13F filing2026-05-15Citadel Advisors LLC · $101.1M↗
- 13F filing2026-05-15Balyasny Asset Management L.P. · $85.1M↗
- 13F filing2026-05-15Maverick Capital Ltd · $62.8M↗
- 13F filing2026-05-15Citadel Advisors LLC · $57.1M↗
- 13F filing2026-05-15Millennium Management LLC · $52.2M↗
- 13F filing2026-05-15Cadian Capital Management, LP · $10.7M↗
- 13F filing2026-05-15Millennium Management LLC · $10.4M↗
- 13F filing2026-05-15Lone Pine Capital LLC · $6.6M↗
- 13F filing2026-05-15Bridgewater Associates, LP · $4.8M↗
- 13F filing2026-05-15Point72 Asset Management, L.P. · $2M↗
- 13F filing2026-05-15Balyasny Asset Management L.P. · $1.5M↗
- 13F filing2026-05-15Two Sigma Investments, LP · $313.8K↗
- 13F filing2026-05-14Renaissance Technologies LLC · $197.8M↗
- 13F filing2026-05-14Loomis, Sayles & Company, L.P. · $12.2K↗
- 13F filing2026-05-13Capital World Investors · $960.7M↗
- 13F filing2026-05-13ClearBridge Investments, LLC · $143M↗
- 13F filing2026-05-08Sands Capital Management, LLC · $46.2M↗
- 13F filing2026-05-06Jennison Associates LLC · $56.3M↗
- PTR2025-11-16Kevin Hern Household · Sale (Partial) · $15K–$50K↗
- PTR2025-10-10Valerie Hoyle Household · Sale · $1K–$15K↗
- PTR2025-05-12Bruce Westerman Household · Sale · $1K–$15K↗
- PTR2025-04-16Bruce Westerman Household · Purchase · $1K–$15K↗
Often co-held with