Ticker research · released through 2026-09-20
Which members of Congress bought Boston Scientific ($BSX)?
As of 2026-09-27, 17 members of Congress disclosed buying Boston Scientific (BSX) in CopyGov's publicly released record. The most recent published buy was attributed to Gilbert Cisneros on 2026-09-10; its modeled entry was 2026-09-11. Copying at the first close after publication returned +2.0% to 2026-09-25, or 1.0 points versus SPY.
Members with disclosed buys
Gilbert Cisneros
10 released BSX buys ↗Lisa McClain
4 released BSX buys ↗Valerie Hoyle
2 released BSX buys ↗Bruce Westerman
2 released BSX buys ↗Rohit Khanna
14 released BSX buys ↗John Boozman
1 released BSX buys ↗Michael T McCaul
8 released BSX buys ↗Markwayne Mullin
2 released BSX buys ↗Lois Frankel
3 released BSX buys ↗Kevin Hern
2 released BSX buys ↗John Curtis
1 released BSX buys ↗Alan S Lowenthal
3 released BSX buys ↗Robert J Wittman
1 released BSX buys ↗Dean Phillips
1 released BSX buys ↗Fred Upton
1 released BSX buys ↗K. Michael Conaway
1 released BSX buys ↗James B Renacci
1 released BSX buys ↗Disclosure-by-disclosure copy returns
| Member | Published | Modeled entry | Copy return to 2026-09-25 | SPY same dates | Original PTR |
|---|---|---|---|---|---|
| Gilbert Cisneros | 2026-09-10 | 2026-09-11 | +2.0% · $20 per $1,000 | +1.0% · 1.0 pts excess | Official source ↗ |
| Gilbert Cisneros | 2026-07-02 | 2026-07-06 | -1.7% · $-17 per $1,000 | +2.7% · -4.4 pts excess | Official source ↗ |
| Gilbert Cisneros | 2026-06-08 | 2026-06-09 | -10.5% · $-105 per $1,000 | +5.0% · -15.4 pts excess | Official source ↗ |
| Gilbert Cisneros | 2026-03-09 | 2026-03-10 | -37.3% · $-373 per $1,000 | +14.6% · -51.9 pts excess | Official source ↗ |
| Gilbert Cisneros | 2026-02-13 | 2026-02-17 | -42.5% · $-425 per $1,000 | +13.6% · -56.2 pts excess | Official source ↗ |
| Gilbert Cisneros | 2025-12-15 | 2025-12-16 | -52.8% · $-528 per $1,000 | +14.6% · -67.5 pts excess | Official source ↗ |
| Gilbert Cisneros | 2025-12-15 | 2025-12-16 | -52.8% · $-528 per $1,000 | +14.6% · -67.5 pts excess | Official source ↗ |
| Lisa McClain | 2025-11-21 | 2025-11-24 | -55.3% · $-553 per $1,000 | +16.4% · -71.6 pts excess | Official source ↗ |
| Lisa McClain | 2025-11-21 | 2025-11-24 | -55.3% · $-553 per $1,000 | +16.4% · -71.6 pts excess | Official source ↗ |
| Gilbert Cisneros | 2025-11-18 | 2025-11-19 | -54.8% · $-548 per $1,000 | +17.4% · -72.2 pts excess | Official source ↗ |
| Gilbert Cisneros | 2025-11-18 | 2025-11-19 | -54.8% · $-548 per $1,000 | +17.4% · -72.2 pts excess | Official source ↗ |
| Valerie Hoyle | 2025-09-12 | 2025-09-15 | -56.1% · $-561 per $1,000 | +18.1% · -74.2 pts excess | Official source ↗ |
| Valerie Hoyle | 2025-09-12 | 2025-09-15 | -56.1% · $-561 per $1,000 | +18.1% · -74.2 pts excess | Official source ↗ |
| Lisa McClain | 2025-08-13 | 2025-08-14 | -57.9% · $-579 per $1,000 | +21.0% · -78.9 pts excess | Official source ↗ |
| Lisa McClain | 2025-08-13 | 2025-08-14 | -57.9% · $-579 per $1,000 | +21.0% · -78.9 pts excess | Official source ↗ |
| Bruce Westerman | 2025-04-16 | 2025-04-17 | -53.9% · $-539 per $1,000 | +48.7% · -102.6 pts excess | Official source ↗ |
| Bruce Westerman | 2025-04-16 | 2025-04-17 | -53.9% · $-539 per $1,000 | +48.7% · -102.6 pts excess | Official source ↗ |
| Rohit Khanna | 2025-04-10 | 2025-04-11 | -53.2% · $-532 per $1,000 | +46.6% · -99.8 pts excess | Official source ↗ |
| John Boozman | 2025-03-06 | 2025-03-07 | -55.8% · $-558 per $1,000 | +36.3% · -92.1 pts excess | Official source ↗ |
| Michael T McCaul | 2024-05-11 | 2024-05-13 | -39.8% · $-398 per $1,000 | +52.1% · -91.9 pts excess | Official source ↗ |
| Rohit Khanna | 2024-02-05 | 2024-02-06 | -32.3% · $-323 per $1,000 | +60.9% · -93.3 pts excess | Official source ↗ |
| Rohit Khanna | 2024-01-04 | 2024-01-05 | -24.6% · $-246 per $1,000 | +69.9% · -94.5 pts excess | Official source ↗ |
| Rohit Khanna | 2023-12-06 | 2023-12-07 | -20.3% · $-203 per $1,000 | +74.2% · -94.5 pts excess | Official source ↗ |
| Michael T McCaul | 2023-11-13 | 2023-11-14 | -18.9% · $-189 per $1,000 | +77.9% · -96.7 pts excess | Official source ↗ |
| Markwayne Mullin | 2023-11-01 | 2023-11-02 | -16.5% · $-165 per $1,000 | +85.3% · -101.8 pts excess | Official source ↗ |
| Markwayne Mullin | 2023-10-12 | 2023-10-13 | -11.5% · $-115 per $1,000 | +85.0% · -96.5 pts excess | Official source ↗ |
| Lois Frankel | 2023-06-24 | 2023-06-26 | -18.1% · $-181 per $1,000 | +85.7% · -103.7 pts excess | Official source ↗ |
| Michael T McCaul | 2023-04-19 | 2023-04-20 | -16.7% · $-167 per $1,000 | +95.2% · -111.9 pts excess | Official source ↗ |
| Lois Frankel | 2022-10-24 | 2022-10-25 | +6.1% · $61 per $1,000 | +110.6% · -104.5 pts excess | Official source ↗ |
| Michael T McCaul | 2022-06-14 | 2022-06-15 | +21.7% · $217 per $1,000 | +115.6% · -94.0 pts excess | Official source ↗ |
| Michael T McCaul | 2022-03-17 | 2022-03-18 | -0.9% · $-9 per $1,000 | +83.9% · -84.8 pts excess | Official source ↗ |
| Michael T McCaul | 2022-02-23 | 2022-02-24 | -0.3% · $-3 per $1,000 | +91.5% · -91.8 pts excess | Official source ↗ |
| Rohit Khanna | 2021-11-09 | 2021-11-10 | +3.3% · $33 per $1,000 | +77.5% · -74.3 pts excess | Official source ↗ |
| Kevin Hern | 2021-09-15 | 2021-09-16 | -2.4% · $-24 per $1,000 | +84.6% · -87.0 pts excess | Official source ↗ |
| Michael T McCaul | 2021-08-18 | 2021-08-19 | -1.0% · $-10 per $1,000 | +87.7% · -88.7 pts excess | Official source ↗ |
| John Curtis | 2021-07-06 | 2021-07-07 | -0.2% · $-2 per $1,000 | +90.1% · -90.3 pts excess | Official source ↗ |
| Kevin Hern | 2021-06-15 | 2021-06-16 | +2.5% · $25 per $1,000 | +96.3% · -93.8 pts excess | Official source ↗ |
| Alan S Lowenthal | 2021-02-10 | 2021-02-11 | +12.8% · $128 per $1,000 | +112.7% · -100.0 pts excess | Official source ↗ |
| Lois Frankel | 2020-11-24 | 2020-11-25 | +30.6% · $306 per $1,000 | +130.1% · -99.5 pts excess | Official source ↗ |
| Robert J Wittman | 2020-11-19 | 2020-11-20 | +30.1% · $301 per $1,000 | +134.9% · -104.8 pts excess | Official source ↗ |
| Rohit Khanna | 2020-10-21 | 2020-10-22 | +18.9% · $189 per $1,000 | +142.2% · -123.3 pts excess | Official source ↗ |
| Dean Phillips | 2020-09-11 | 2020-09-14 | +6.6% · $66 per $1,000 | +147.6% · -141.0 pts excess | Official source ↗ |
| Gilbert Cisneros | 2020-04-16 | 2020-04-17 | +14.5% · $145 per $1,000 | +193.6% · -179.2 pts excess | Official source ↗ |
| Rohit Khanna | 2020-02-10 | 2020-02-11 | +3.0% · $30 per $1,000 | +152.5% · -149.6 pts excess | Official source ↗ |
| Michael T McCaul | 2019-12-20 | 2019-12-23 | -3.1% · $-31 per $1,000 | +163.6% · -166.6 pts excess | Official source ↗ |
| Rohit Khanna | 2019-06-11 | 2019-06-12 | +7.4% · $74 per $1,000 | +197.8% · -190.4 pts excess | Official source ↗ |
| Rohit Khanna | 2019-05-10 | 2019-05-13 | +21.9% · $219 per $1,000 | +205.8% · -183.9 pts excess | Official source ↗ |
| Fred Upton | 2018-07-26 | 2018-07-27 | +29.8% · $298 per $1,000 | +209.7% · -179.9 pts excess | Official source ↗ |
| Rohit Khanna | 2018-04-13 | 2018-04-16 | +52.0% · $520 per $1,000 | +227.5% · -175.5 pts excess | Official source ↗ |
| Rohit Khanna | 2018-03-09 | 2018-03-12 | +53.6% · $536 per $1,000 | +215.6% · -162.0 pts excess | Official source ↗ |
| Alan S Lowenthal | 2018-02-04 | 2018-02-05 | +66.0% · $660 per $1,000 | +233.1% · -167.0 pts excess | Official source ↗ |
| Alan S Lowenthal | 2017-12-28 | 2017-12-29 | +76.8% · $768 per $1,000 | +229.4% · -152.6 pts excess | Official source ↗ |
| Rohit Khanna | 2017-10-10 | 2017-10-11 | +49.8% · $498 per $1,000 | +246.5% · -196.7 pts excess | Official source ↗ |
| Rohit Khanna | 2017-08-10 | 2017-08-11 | +66.0% · $660 per $1,000 | +263.7% · -197.8 pts excess | Official source ↗ |
| Rohit Khanna | 2017-06-12 | 2017-06-13 | +57.0% · $570 per $1,000 | +264.9% · -207.9 pts excess | Official source ↗ |
| K. Michael Conaway | 2015-04-05 | 2015-04-06 | +147.9% · $1479 per $1,000 | +347.5% · -199.6 pts excess | Official source ↗ |
| James B Renacci | 2014-06-04 | 2014-06-05 | +232.6% · $2326 per $1,000 | +387.7% · -155.1 pts excess | Official source ↗ |
Common questions
Who in Congress bought BSX?
Gilbert Cisneros, Lisa McClain, Valerie Hoyle, Bruce Westerman, Rohit Khanna, John Boozman, Michael T McCaul, Markwayne Mullin, Lois Frankel, Kevin Hern, John Curtis, Alan S Lowenthal, Robert J Wittman, Dean Phillips, Fred Upton, K. Michael Conaway, James B Renacci have publicly released BSX purchase signals in CopyGov through 2026-09-20. Each row below links to its original filing.
When did Pelosi buy BSX?
No Pelosi-household BSX purchase is currently in CopyGov's released record through 2026-09-20.
What would copying have returned?
For the latest released BSX buy, copying at the first close after publication returned +2.0% to 2026-09-25, compared with +1.0% for SPY over the same dates. The excess was 1.0 percentage points after 10 basis points per side.
The model enters at the first completed close after publication, not the original trade price, assumes 10 basis points per side, and ignores later sales. Verify ownership and amounts in the original PTR. Past outcomes are not forecasts.
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