Congress Trades

Cynthia M. Lummis

RRepublicanSenateWYCurrent memberTerm Jan 3, 2021 – Jan 3, 2027
Committees

Current-Congress assignments from the official roster; leadership seats are outlined.

Filing statistics

Official dates; averages are derived
Avg reporting time
50 days
Median 55 days · 45-day limit
Avg filing frequency
Every 1,296 days
3 filings
Since last filing
517 days
Apr 25, 2025
Transactions
5
5 buys · 0 sells · 0 in review

Whale profile Estimated

Whale score
—/ 100

Percentile blend among members with a trade in the last 12 months: 50% disclosed volume, 30% largest trade, 20% trade count.

12-month volume
$0
0 trades · midpoints
Largest trade
$1,000,001 - $5,000,000
Median $3M
All-time volume
$9.1M
5 trades
Late filings
4
Reporting lag over the STOCK Act's 45 days
Well-timed rate
0.0% · 0 of 5
±15% within 30 trading days
Avg 30-day forward return
-2.2%
Sign-adjusted: buys +, sells −

Volumes are range midpoints; forward returns use public closing prices after the disclosed trade date. Late filings are counted from official dates only. How this is calculated

Unusual activity Estimated

  • 48Late filingApr 25, 2025

    Sen. Cynthia M. Lummis filed 3 trades 10 days late (largest: $1M–$5M buy of Business Entity Company: Lummis Livestock Company LLC (Cheye)

    Details
    Politician
    Cynthia M. Lummis
    Asset
    Business Entity Company: Lummis Livestock Company LLC (Cheyenne, Wyoming) Description: Runs steers and sells grass fed cattle.
    Tx type
    buy
    Tx date
    Mar 1, 2025
    Filing date
    Apr 25, 2025
    Amount low
    $1M
    Amount high
    $5M
    Amount mid
    $3M
    Disclosed range
    $1,000,001 - $5,000,000
    Reporting lag days
    55
    Is whale
    Yes
    Deadline days
    45
    Days past deadline
    10
    N late rows
    3
    Late rows
    {"id":85410,"ticker":null,"label":"$1,000,001 - $5,000,000","lag_days":55}, {"id":85411,"ticker":null,"label":"$1,000,001 - $5,000,000","lag_days":55}, {"id":85412,"ticker":null,"label":"$1,000,001 - $5,000,000","lag_days":55}
  • 62Whale tradeMar 1, 2025

    Cynthia M. Lummis bought $1M–$5M of Business Entity Company: Sweetgrass Land Co. LLC (Cheyenne,

    Details
    Politician
    Cynthia M. Lummis
    Asset
    Business Entity Company: Sweetgrass Land Co. LLC (Cheyenne, Wyoming) Description: The sale of build-ready residential and commercial lots.
    Tx type
    buy
    Tx date
    Mar 1, 2025
    Filing date
    Apr 25, 2025
    Amount low
    $1M
    Amount high
    $5M
    Amount mid
    $3M
    Disclosed range
    $1,000,001 - $5,000,000
    Reporting lag days
    55
    Is whale
    Yes
  • 62Whale tradeMar 1, 2025

    Cynthia M. Lummis bought $1M–$5M of Business Entity Company: Arp & Hammond Hardware Company (Che

    Details
    Politician
    Cynthia M. Lummis
    Asset
    Business Entity Company: Arp & Hammond Hardware Company (Cheyenne, Wyoming) Description: Real Estate
    Tx type
    buy
    Tx date
    Mar 1, 2025
    Filing date
    Apr 25, 2025
    Amount low
    $1M
    Amount high
    $5M
    Amount mid
    $3M
    Disclosed range
    $1,000,001 - $5,000,000
    Reporting lag days
    55
    Is whale
    Yes
  • 62Whale tradeMar 1, 2025

    Cynthia M. Lummis bought $1M–$5M of Business Entity Company: Lummis Livestock Company LLC (Cheye

    Details
    Politician
    Cynthia M. Lummis
    Asset
    Business Entity Company: Lummis Livestock Company LLC (Cheyenne, Wyoming) Description: Runs steers and sells grass fed cattle.
    Tx type
    buy
    Tx date
    Mar 1, 2025
    Filing date
    Apr 25, 2025
    Amount low
    $1M
    Amount high
    $5M
    Amount mid
    $3M
    Disclosed range
    $1,000,001 - $5,000,000
    Reporting lag days
    55
    Is whale
    Yes

Estimated portfolio Estimated

$9,956
30-day change
-$740 -6.9%
Return vs S&P 500 proxy
+24.4% vs +69.5%
Return index · 100 = break-even1 positions · as of Sep 23, 2026

Portfolio values, holdings, returns, and allocations are estimates derived from disclosed dollar ranges and public market prices. They may differ materially from actual values. Not investment advice. How this is calculated

Top holdings Estimated

  • Jacobs Solutions Inc.
    100.0%
    $10K

Sector allocation Estimated

  • Industrials
    100.0%
    $10K

Trades

Totals: $9.1M bought and $0 sold (range midpoints); first trade Aug 16, 2021, last trade Mar 1, 2025. Stats computed Sep 24, 2026. Midpoints are 0.5 × (low + high) of the disclosed range.