Ticker research · released through 2026-09-20
Which members of Congress bought Marketaxess Holdings ($MKTX)?
As of 2026-09-27, 5 members of Congress disclosed buying Marketaxess Holdings (MKTX) in CopyGov's publicly released record. The most recent published buy was attributed to Julie Johnson on 2025-02-12; its modeled entry was 2025-02-13. Copying at the first close after publication returned -11.7% to 2026-09-25, or -40.5 points versus SPY.
Members with disclosed buys
Julie Johnson
2 released MKTX buys ↗Daniel Goldman
1 released MKTX buys ↗Rohit Khanna
1 released MKTX buys ↗Susie Lee
1 released MKTX buys ↗Josh Gottheimer
2 released MKTX buys ↗Disclosure-by-disclosure copy returns
| Member | Published | Modeled entry | Copy return to 2026-09-25 | SPY same dates | Original PTR |
|---|---|---|---|---|---|
| Julie Johnson | 2025-02-12 | 2025-02-13 | -11.7% · $-117 per $1,000 | +28.7% · -40.5 pts excess | Official source ↗ |
| Julie Johnson | 2025-02-12 | 2025-02-13 | -11.7% · $-117 per $1,000 | +28.7% · -40.5 pts excess | Official source ↗ |
| Daniel Goldman | 2023-05-19 | 2023-05-22 | -39.9% · $-399 per $1,000 | +92.0% · -131.9 pts excess | Official source ↗ |
| Rohit Khanna | 2021-11-09 | 2021-11-10 | -55.1% · $-551 per $1,000 | +77.5% · -132.6 pts excess | Official source ↗ |
| Susie Lee | 2021-02-10 | 2021-02-11 | -67.9% · $-679 per $1,000 | +112.7% · -180.6 pts excess | Official source ↗ |
| Josh Gottheimer | 2019-05-20 | 2019-05-21 | -39.4% · $-394 per $1,000 | +199.8% · -239.1 pts excess | Official source ↗ |
| Josh Gottheimer | 2019-03-28 | 2019-03-29 | -27.9% · $-279 per $1,000 | +204.0% · -232.0 pts excess | Official source ↗ |
Common questions
Who in Congress bought MKTX?
Julie Johnson, Daniel Goldman, Rohit Khanna, Susie Lee, Josh Gottheimer have publicly released MKTX purchase signals in CopyGov through 2026-09-20. Each row below links to its original filing.
When did Pelosi buy MKTX?
No Pelosi-household MKTX purchase is currently in CopyGov's released record through 2026-09-20.
What would copying have returned?
For the latest released MKTX buy, copying at the first close after publication returned -11.7% to 2026-09-25, compared with +28.7% for SPY over the same dates. The excess was -40.5 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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