Costco Wholesale Corp
COST- Exchange
- Nasdaq
- Industry
- Retail-Variety Stores
- SEC CIK
- 0000909832
No open-market purchases or sales by Costco Wholesale Corp insiders were filed in the last 90 days; 4,261 institutions reported holding it in 13F filings for Q2 2026, worth $301.8B in total; 4 superinvestors hold it, including Markel Group and Gardner Russo & Quinn.
Politicians who traded COST
Since 2020, newest trade first. Shares and options by default, including trades reported under an earlier ticker.
- Trades
- 134
- Filings
- 105
- Politicians
- 45
- Buys / sells
- 77 / 57
- Estimated volume
- $2.61M
- Sum of range midpoints
| Politician | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
 Richard McCormick House · GA | 3 | 2 / 1 | $24.0K | Jul 30, 2026 | Aug 14, 2026 |
 Dan Newhouse House · WA | 1 | 1 / 0 | $8.00K | Jul 10, 2026 | Jul 17, 2026 |
 Alan Armstrong Senate · OK | 1 | 1 / 0 | $8.00K | Mar 27, 2026 | Jul 21, 2026 |
 Gilbert Ray Cisneros, Jr. House · CA | 8 | 7 / 1 | $113.0K | Jan 30, 2026 | Feb 13, 2026 |
 Markwayne Mullin Senate · OK | 3 | 3 / 0 | $73.0K | Dec 29, 2025 | Jan 16, 2026 |
 Shelley Moore Capito Senate · WV | 2 | 1 / 1 | $16.0K | Oct 17, 2025 | Nov 4, 2025 |
 John Boozman Senate · AR | 1 | 1 / 0 | $8.00K | Oct 9, 2025 | Nov 15, 2025 |
 Val T. Hoyle House · OR | 2 | 1 / 1 | $16.0K | Sep 23, 2025 | Oct 10, 2025 |
 Lisa C. McClain House · MI | 4 | 2 / 2 | $32.0K | Jul 10, 2025 | Aug 13, 2025 |
 Jefferson Shreve House · IN | 2 | 0 / 2 | $207.5K | May 12, 2025 | Jun 22, 2025 |
 Bruce Westerman House · AR | 2 | 1 / 1 | $16.0K | Apr 21, 2025 | May 12, 2025 |
 Greg Landsman House · OH | 6 | 2 / 4 | $72.5K | Mar 27, 2025 | Apr 8, 2025 |
 Marjorie Taylor Greene House · GA | 6 | 6 / 0 | $72.5K | Mar 17, 2025 | Mar 19, 2025 |
 Scott Franklin House · FL | 8 | 3 / 5 | $222.5K | Jan 28, 2025 | Jul 3, 2025 |
 James Comer House · KY | 2 | 2 / 0 | $16.0K | Jan 2, 2025 | Jan 10, 2025 |
 Kathy E. Manning House · NC | 7 | 6 / 1 | $80.5K | Jul 2, 2024 | Aug 16, 2024 |
 Pete Sessions House · TX | 2 | 1 / 1 | $16.0K | Jan 31, 2024 | Feb 29, 2024 |
 Kevin Hern House · OK | 4 | 3 / 1 | $399.0K | Jan 12, 2024 | Feb 11, 2024 |
 Jared Moskowitz House · FL | 3 | 3 / 0 | $24.0K | Dec 28, 2023 | Aug 21, 2024 |
 John R. Curtis House · UT | 3 | 1 / 2 | $24.0K | Dec 4, 2023 | Dec 15, 2023 |
 Greg Stanton House · AZ | 2 | 1 / 1 | $16.0K | Oct 24, 2023 | Nov 9, 2023 |
 Dan Sullivan Senate · AK | 1 | 0 / 1 | $8.00K | Aug 22, 2023 | Sep 22, 2023 |
 Zoe Lofgren House · CA | 3 | 1 / 2 | $24.0K | May 25, 2023 | Jun 6, 2023 |
 Daniel S. Goldman House · NY | 1 | 0 / 1 | $32.5K | Jan 31, 2023 | Feb 24, 2023 |
 Ed Perlmutter House · CO | 6 | 3 / 3 | $48.0K | Nov 10, 2022 | Dec 19, 2022 |
 David B. McKinley House · WV | 6 | 3 / 3 | $48.0K | Jul 7, 2022 | Aug 3, 2022 |
 Donald S. Beyer, Jr. House · VA | 10 | 7 / 3 | $104.5K | Feb 28, 2022 | Mar 3, 2022 |
 Kim Schrier House · WA | 1 | 0 / 1 | $32.5K | Oct 28, 2021 | Nov 18, 2021 |
 Marie Newman House · IL | 2 | 1 / 1 | $65.0K | Jul 30, 2021 | Sep 8, 2021 |
 Rick Larsen House · WA | 1 | 1 / 0 | $8.00K | Mar 31, 2021 | May 26, 2023 |
 Peter Meijer House · MI | 1 | 0 / 1 | $32.5K | Feb 16, 2021 | Mar 16, 2021 |
 John A. Yarmuth House · KY | 2 | 1 / 1 | $16.0K | Jan 28, 2021 | Feb 19, 2021 |
 Jerry Moran Senate · KS | 5 | 0 / 5 | $40.0K | Jan 27, 2021 | Feb 8, 2021 |
 Pat Roberts Senate · KS | 4 | 3 / 1 | $130.0K | Dec 22, 2020 | Jan 14, 2021 |
 Katherine M. Clark House · MA | 4 | 2 / 2 | $32.0K | Nov 5, 2020 | Dec 28, 2020 |
 Joe Courtney House · CT | 2 | 1 / 1 | $16.0K | Aug 7, 2020 | Aug 27, 2020 |
 Ron Wyden Senate · OR | 2 | 2 / 0 | $65.0K | Jul 13, 2020 | Jul 31, 2020 |
 Robert J. Wittman House · VA | 1 | 1 / 0 | $8.00K | Jul 2, 2020 | Jan 26, 2021 |
 Josh Gottheimer House · NJ | 1 | 0 / 1 | $8.00K | Jun 8, 2020 | Jul 9, 2020 |
 David Perdue Senate · GA | 2 | 0 / 2 | $107.5K | Apr 14, 2020 | May 2, 2021 |
 Kelly Loeffler Senate · GA | 1 | 0 / 1 | $175.0K | Apr 7, 2020 | May 1, 2020 |
 Dean Phillips House · MN | 1 | 0 / 1 | $32.5K | Apr 2, 2020 | May 7, 2020 |
 John B. Larson House · CT | 1 | 0 / 1 | $8.00K | Dec 18, 2019 | Jan 31, 2020 |
 Rick W. Allen House · GA | 2 | 2 / 0 | $65.0K | Sep 10, 2019 | Aug 10, 2023 |
 Thomas R. Suozzi House · NY | 2 | 1 / 1 | $40.5K | Jun 18, 2019 | Sep 23, 2021 |
Trades
Reported trades in Costco Wholesale Corp, newest filings first.
| Politician | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
Richard McCormick House · GA | COSTCostco Wholesale Corporation - Common Stock | Sell | Self | Jul 30, 2026 | Aug 14, 2026 | 15 days | $1K-$15K | Filing |
Alan Armstrong Senate · OK | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Mar 27, 2026 | Jul 21, 2026 | 116 daysLate | $1K-$15K | Filing |
Dan Newhouse House · WA | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Jul 10, 2026 | Jul 17, 2026 | 7 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Jan 30, 2026 | Feb 13, 2026 | 14 days | $1K-$15K | Filing |
Markwayne Mullin Senate · OK | COSTCostco Wholesale Corporation - Common Stock | Buy | Joint | Dec 29, 2025 | Jan 16, 2026 | 18 days | $15K-$50K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | COSTCostco Wholesale Corporation - Common Stock | Sell (partial) | Self | Dec 24, 2025 | Jan 12, 2026 | 19 days | $1K-$15K | Filing |
Richard McCormick House · GA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Nov 5, 2025 | Dec 9, 2025 | 34 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Oct 17, 2025 | Nov 18, 2025 | 32 days | $1K-$15K | Filing |
John Boozman Senate · AR | COSTCostco Wholesale | Buy | Joint | Oct 9, 2025 | Nov 15, 2025 | 37 days | $1K-$15K | Filing |
Shelley Moore Capito Senate · WV | COSTCostco Wholesale | Sell (partial) | Spouse | Oct 17, 2025 | Nov 4, 2025 | 18 days | $1K-$15K | Filing |
Val T. Hoyle House · OR | COSTCostco Wholesale Corporation - Common Stock | Sell | Spouse | Sep 23, 2025 | Oct 10, 2025 | 17 days | $1K-$15K | Filing |
Richard McCormick House · GA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Mar 15, 2023 | Sep 17, 2025 | 917 daysLate | $1K-$15K | Filing |
Val T. Hoyle House · OR | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Oct 29, 2024 | Sep 12, 2025 | 318 daysLate | $1K-$15K | Filing |
Lisa C. McClain House · MI | COSTCostco Wholesale Corporation - Common Stock | Sell (partial) | Spouse | Jun 9, 2025 | Aug 13, 2025 | 65 daysLate | $1K-$15K | Filing |
Lisa C. McClain House · MI | COSTCostco Wholesale Corporation - Common Stock | Sell | Spouse | Jul 10, 2025 | Aug 13, 2025 | 34 days | $1K-$15K | Filing |
Lisa C. McClain House · MI | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Dec 11, 2024 | Aug 13, 2025 | 245 daysLate | $1K-$15K | Filing |
Lisa C. McClain House · MI | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Jun 17, 2025 | Aug 13, 2025 | 57 daysLate | $1K-$15K | Filing |
Scott Franklin House · FL | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Aug 7, 2024 | Jul 3, 2025 | 330 daysLate | $1K-$15K | Filing |
Jefferson Shreve House · IN | COSTCostco Wholesale Corporation - Common Stock | Sell | Self | May 12, 2025 | Jun 22, 2025 | 41 days | $100K-$250K | Filing |
Bruce Westerman House · AR | COSTCostco Wholesale Corporation - Common Stock | Sell | Self | Apr 21, 2025 | May 12, 2025 | 21 days | $1K-$15K | Filing |
Bruce Westerman House · AR | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Mar 3, 2025 | Apr 16, 2025 | 44 days | $1K-$15K | Filing |
Jefferson Shreve House · IN | COSTCostco Wholesale Corporation - Common Stock | Sell (partial) | Self | Mar 31, 2025 | Apr 11, 2025 | 11 days | $15K-$50K | Filing |
Greg Landsman House · OH | COSTCostco Wholesale Corporation - Common Stock | Sell | Joint | Mar 27, 2025 | Apr 8, 2025 | 12 days | $1K-$15K | Filing |
Greg Landsman House · OH | COSTCostco Wholesale Corporation - Common Stock | Sell | Spouse | Mar 27, 2025 | Apr 8, 2025 | 12 days | $1K-$15K | Filing |
Greg Landsman House · OH | COSTCostco Wholesale Corporation - Common Stock | Sell | Joint | Mar 27, 2025 | Apr 8, 2025 | 12 days | $15K-$50K | Filing |
Marjorie Taylor Greene House · GA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Mar 17, 2025 | Mar 19, 2025 | 2 days | $1K-$15K | Filing |
Scott Franklin House · FL | COSTCostco Wholesale Corporation - Common Stock | Sell | Self | Jan 28, 2025 | Mar 18, 2025 | 49 daysLate | $1K-$15K | Filing |
Scott Franklin House · FL | COSTCostco Wholesale Corporation - Common Stock | Sell | Spouse | Jan 28, 2025 | Mar 18, 2025 | 49 daysLate | $1K-$15K | Filing |
Scott Franklin House · FL | COSTCostco Wholesale Corporation - Common Stock | Sell | Self | Jan 28, 2025 | Mar 18, 2025 | 49 daysLate | $50K-$100K | Filing |
Greg Landsman House · OH | COSTCostco Wholesale Corporation - Common Stock | Sell (partial) | Joint | Feb 26, 2025 | Mar 5, 2025 | 7 days | $1K-$15K | Filing |
James Comer House · KY | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Jan 2, 2025 | Jan 10, 2025 | 8 days | $1K-$15K | Filing |
James Comer House · KY | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Jan 2, 2025 | Jan 10, 2025 | 8 days | $1K-$15K | Filing |
Marjorie Taylor Greene House · GA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Nov 25, 2024 | Nov 27, 2024 | 2 days | $1K-$15K | Filing |
Marjorie Taylor Greene House · GA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Oct 4, 2024 | Oct 8, 2024 | 4 days | $1K-$15K | Filing |
Jared Moskowitz House · FL | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Jul 14, 2023 | Aug 21, 2024 | 404 daysLate | $1K-$15K | Filing |
Jared Moskowitz House · FL | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Dec 28, 2023 | Aug 21, 2024 | 237 daysLate | $1K-$15K | Filing |
Scott Franklin House · FL | COSTCostco Wholesale Corporation - Common Stock | Sell (partial) | Self | Aug 6, 2024 | Aug 20, 2024 | 14 days | $15K-$50K | Filing |
Scott Franklin House · FL | COSTCostco Wholesale Corporation - Common Stock | Sell (partial) | Self | Aug 1, 2024 | Aug 20, 2024 | 19 days | $1K-$15K | Filing |
Kathy E. Manning House · NC | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Jul 2, 2024 | Aug 16, 2024 | 45 days | $1K-$15K | Filing |
Greg Landsman House · OH | COSTCostco Wholesale Corporation - Common Stock | Buy | Spouse | Jan 12, 2023 | Aug 14, 2024 | 580 daysLate | $1K-$15K | Filing |
Greg Landsman House · OH | COSTCostco Wholesale Corporation - Common Stock | Buy | Joint | May 15, 2024 | Aug 14, 2024 | 91 daysLate | $1K-$15K | Filing |
Marjorie Taylor Greene House · GA | COSTCostco Wholesale Corporation - Common Stock | Buy | Self | Jun 24, 2024 | Jun 27, 2024 | 3 days | $1K-$15K | Filing |
Pete Sessions House · TX | COSTCostco Wholesale Corporation | Buy | Spouse | Jan 31, 2024 | Feb 29, 2024 | 29 days | $1K-$15K | Filing |
Kevin Hern House · OK | COSTCostco Wholesale Corporation - Common Stock | Buy | Joint | Jan 12, 2024 | Feb 11, 2024 | 30 days | $1K-$15K | Filing |
Kathy E. Manning House · NC | COSTCostco Wholesale Corporation | Buy | Spouse | Jan 23, 2024 | Feb 6, 2024 | 14 days | $15K-$50K | Filing |
Kathy E. Manning House · NC | COSTCostco Wholesale Corporation | Buy | Spouse | Jan 23, 2024 | Feb 6, 2024 | 14 days | $1K-$15K | Filing |
Kathy E. Manning House · NC | COSTCostco Wholesale Corporation | Buy | Spouse | Jan 23, 2024 | Feb 6, 2024 | 14 days | $1K-$15K | Filing |
John R. Curtis House · UT | COSTCostco Wholesale Corporation | Sell | Joint | Dec 4, 2023 | Dec 15, 2023 | 11 days | $1K-$15K | Filing |
Greg Stanton House · AZ | COSTCostco Wholesale Corporation | Sell | Spouse | Oct 24, 2023 | Nov 9, 2023 | 16 days | $1K-$15K | Filing |
Greg Stanton House · AZ | COSTCostco Wholesale Corporation | Buy | Spouse | Sep 26, 2023 | Nov 9, 2023 | 44 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report. Profiles, committees and photos: the unitedstates project (public domain). District maps: U.S. Census Bureau.