| # | Member | Party (most recent term) | Year | Est. gain | Same-position band | Opening value (mid) | Member est. net-worth change (mid; see dollar-gain ranking) | Reliability flags |
|---|
| 1 | Sen. Mike Rounds (R-SD) (Senate) | Republican | 2015 | +1190% | +641% … +1428% | $1,228,008 | +$6,662,518 | single position drives the result (range jump); |estimate| > 300% (likely range artefact) |
| 2 | Rep. Ilhan Omar (D-MN) (House) | Democrat | 2021 | +679% | +328% … +763% | $82,504 | +$32,002 | income-dominated (reported income > 50% of opening value); |estimate| > 300% (likely range artefact) |
| 3 | Rep. Mark Pocan (D-WI) (House) | Democrat | 2025 | +630% | +300% … +784% | $1,295,504 | +$4,439,005 | high turnover (buys+sells > 100% of opening value); many new/exited positions; single position drives the result (range jump); income-dominated (reported income > 50% of opening value); |estimate| > 300% (likely range artefact) |
| 4 | Rep. Michael Waltz (R-FL) (House) | Republican | 2020 | +608% | +350% … +710% | $2,380,521 | +$6,729,497 | high turnover (buys+sells > 100% of opening value); many new/exited positions; single position drives the result (range jump); |estimate| > 300% (likely range artefact) |
| 5 | Rep. Ann Kirkpatrick (D-AZ) (House) | Democrat | 2021 | +337% | +199% … +400% | $2,047,008 | +$7,088,003 | single position drives the result (range jump); |estimate| > 300% (likely range artefact) |
| 6 | Sen. Kirsten E. Gillibrand (D-NY) (House / Senate) | Democrat | 2021 | +323% | +120% … +425% | $750,001 | +$652,000 | single position drives the result (range jump); |estimate| > 300% (likely range artefact) |
| 7 | Rep. Brian K. Fitzpatrick (R-PA) (House) | Republican | 2021 | +304% | +103% … +405% | $750,000 | +$2,593,000 | single position drives the result (range jump); |estimate| > 300% (likely range artefact) |
| 8 | Rep. Susan W. Brooks (R-IN) (House) | Republican | 2016 | +296% | +248% … +307% | $4,224,018 | −$1,448,506 | single position drives the result (range jump) |
| 9 | Rep. Tim Burchett (R-TN) (House) | Republican | 2022 | +281% | +250% … +370% | $107,002 | −$1,079,012 | single position drives the result (range jump) |
| 10 | Rep. Norma J. Torres (D-CA) (House) | Democrat | 2021 | +274% | +268% … +287% | $423,502 | +$6,500 | high turnover (buys+sells > 100% of opening value); single position drives the result (range jump) |