RB
Richard Blumenthal
DemocratSenatorCTCurrent member
Disclosed trades
30
since 2026
Estimated trade volumeMembers disclose each trade as a dollar range. We count each at the middle of its range, or at the bottom when the range has no top (a + follows the total then). An estimate, not an exact figure.
$3.1M
since 2026
Last traded
Oct 7, 2026
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Buying vs selling by year
Estimated dollars bought and sold each year, based on the ranges members disclose.
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Committees
The congressional committees and subcommittees this member sits on.
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Campaign money
What this member's campaign committees raised and spent in the latest election cycle, from reports filed with the Federal Election Commission.
| Raised | Spent | Cash on hand | Debts |
|---|---|---|---|
| $771,465 | $476,239 | $1,533,368 | — |
2026 cycle (January 2025 to December 2026), reports through Sep 30, 2026. Candidate page on FEC.gov ↗
2024 cycle: raised $398.5K, spent $410.3K, cash on hand $1.2M. FEC.gov ↗
Totals for the whole two-year cycle, not one election. Raised includes transfers between a candidate's own committees. Totals only: no individual donor is named or shown.
Trades
Every trade this member, their spouse or dependent children have disclosed, newest first unless you sort by another column.
| Stock | Asset type | Transaction | Filed | Traded | Since tradeHow the stock has done since the trade date, measured against the S&P 500 over the same days. It describes the stock, not the trader's actual gain or loss. | Comment | Filing |
|---|---|---|---|---|---|---|---|
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $100,001 - $250,000 Spouse | Oct 26, 2026 | Oct 7, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $50,001 - $100,000 Spouse | Oct 26, 2026 | Oct 7, 2026 | — | Underlying Asset of Peter L. Malkin Family 9 LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $1,001 - $15,000 Spouse | Oct 26, 2026 | Oct 7, 2026 | — | Underlying Asset of Other One LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $15,001 - $50,000 Spouse | Oct 26, 2026 | Oct 7, 2026 | — | Underlying Asset of Summa I LLC | Report ↗ |
| ZdP Investments Fund I, LP Company: ZdP Investments Fund I, LP (Palo Alto, CA) Description: Private Equity Fund | Other | Purchase $15,001 - $50,000 Spouse | Oct 26, 2026 | Sep 24, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| ZdP Investments Fund I, LP Company: ZdP Investments Fund I, LP (Palo Alto, CA) Description: Private Equity Fund | Other | Purchase $1,001 - $15,000 Spouse | Oct 26, 2026 | Sep 23, 2026 | — | Underlying asset of 3M's Partners LLC, owned through Peter L. Malkin Family 9 L… | Report ↗ |
| STLN Starling Oncology, Inc. | Stock | Sale (partial) $1,001 - $15,000 Spouse | Oct 26, 2026 | Sep 23, 2026 | -46.9% | Underlying Asset of Hedge Holdings LLC. Name change – previously reported as On… | Report ↗ |
| STLN Starling Oncology, Inc. | Stock | Sale (partial) $15,001 - $50,000 Spouse | Oct 26, 2026 | Sep 22, 2026 | -47.9% | Underlying Asset of LarryMae Partners LLC. Name change – previously reported as… | Report ↗ |
| STLN Starling Oncology, Inc. | Stock | Sale (partial) $1,001 - $15,000 Spouse | Oct 26, 2026 | Sep 22, 2026 | -47.9% | Underlying Asset of Magnifique LLC. Name change – previously reported as Oncolo… | Report ↗ |
| GCP Captivate Secondary LP Company: Captivate Network (New York, NY) Description: Media Company | Other | Sale $500,001 - $1,000,000 Spouse | Oct 26, 2026 | Sep 21, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $1,001 - $15,000 Spouse | Oct 26, 2026 | Sep 21, 2026 | — | Underlying Asset of Summa I LLC | Report ↗ |
| STLN Starling Oncology, Inc. | Stock | Sale (partial) $15,001 - $50,000 Spouse | Oct 26, 2026 | Sep 18, 2026 | -48.8% | Underlying Asset of LarryMae Partners LLC. Name change – previously reported as… | Report ↗ |
| STLN Starling Oncology, Inc. | Stock | Sale (partial) $1,001 - $15,000 Spouse | Oct 26, 2026 | Sep 18, 2026 | -48.8% | Underlying Asset of Magnifique LLC. Name change – previously reported as Oncolo… | Report ↗ |
| A-IC, a series of A-ST Opportunity Funds LLC Company: Intercom, Inc (New York, NY) Description: Messaging Software | Other | Sale $50,001 - $100,000 Spouse | Oct 26, 2026 | Sep 17, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| Not Fade Away LLC Company: Not Fade Away LLC (New York, NY) Description: Hedge Fund | Other | Purchase $250,001 - $500,000 Spouse | Sep 28, 2026 | Sep 11, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| Not Fade Away LLC Company: Not Fade Away LLC (New York, NY) Description: Hedge Fund | Other | Purchase $50,001 - $100,000 Spouse | Sep 28, 2026 | Sep 11, 2026 | — | Underlying Asset of Summa I LLC | Report ↗ |
| Not Fade Away LLC Company: Not Fade Away LLC (New York, NY) Description: Hedge Fund | Other | Purchase $15,001 - $50,000 Spouse | Sep 28, 2026 | Sep 11, 2026 | — | Underlying Asset of Hedge Holdings LLC | Report ↗ |
| Not Fade Away LLC Company: Not Fade Away LLC (New York, NY) Description: Hedge Fund | Other | Purchase $1,001 - $15,000 Spouse | Sep 28, 2026 | Sep 11, 2026 | — | Underlying Asset of Other One LLC | Report ↗ |
| Days Between LLC Company: Days Between LLC (New York, NY) Description: Partnership | Other | Purchase $100,001 - $250,000 Spouse | Sep 28, 2026 | Aug 27, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $1,001 - $15,000 Spouse | Sep 28, 2026 | Aug 27, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| Days Between LLC Company: Days Between LLC (New York, NY) Description: Partnership | Other | Purchase $250,001 - $500,000 Spouse | Sep 28, 2026 | Aug 27, 2026 | — | Underlying Asset of Summa I LLC | Report ↗ |
| Days Between LLC Company: Days Between LLC (New York, NY) Description: Partnership | Other | Purchase $15,001 - $50,000 Spouse | Sep 28, 2026 | Aug 27, 2026 | — | Underlying Asset of New Things Partners LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $50,001 - $100,000 Spouse | Sep 28, 2026 | Aug 24, 2026 | — | Underlying Asset of Peter L. Malkin Family 2000 LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $15,001 - $50,000 Spouse | Sep 28, 2026 | Aug 24, 2026 | — | Underlying Asset of LarryMae Partners LLC | Report ↗ |
| MH Built to Last LLC Company: MH Built to Last LLC (New York, NY) Description: Partnership | Other | Purchase $1,001 - $15,000 Spouse | Sep 28, 2026 | Aug 24, 2026 | — | Underlying Asset of New Things Partners LLC | Report ↗ |
Returns describe the stock since the trade date, not the member’s actual result. Information, not investment advice.
Trades in companies under their committees' jurisdiction
Trades in a company whose industry falls under a committee or subcommittee this member sits on.
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Capitol Hires from Richard Blumenthal’s office
5 hiresLobbyists for public companies who say they once worked in Richard Blumenthal’s office, from their lobbying filings.
| The lobbying report (LDA form LD-2) that names this lobbyist and office, with a link to it. Report period is the quarter the report covers; Posted is the day it was filed or amended, which can be much later. The same lobbyist is named again on each quarterly report for the same client, so a row is shown once, from the newest report, with the number of filings that name them. | ||||
|---|---|---|---|---|
| OKLO Oklo Inc. | Colleen Bell | Legislative Director | Cassidy & Associates, Inc. | Report period 2026 Q2 ↗ Posted Jul 13, 2026 |
| GWW W.W. Grainger, Inc. | Jasper Noble | Law Clerk | K&L Gates, LLP | Report period 2025 Q3 ↗ Posted Dec 17, 2025 |
| HIMS Hims & Hers Health, Inc. | Colleen Bell | Legislative Director | Cassidy & Associates, Inc. | Report period 2025 Q3 ↗ Posted Oct 16, 2025 |
| AMSC American Superconductor Corporation | Jasper Noble | Law Clerk | K&L Gates, LLP | Report period 2025 Q2 ↗ Posted Jul 21, 2025 |
| AEP American Electric Power Company, Inc. | Colleen Bell | Legislative Director | Cassidy & Associates, Inc. | Report period 2025 Q1 ↗ Posted Mar 25, 2025 |
Each row reflects what was disclosed at the time of filing. A lobbyist listed may no longer be registered.
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Bills sponsored
The ten most recent bills and resolutions this member introduced.
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Recent votes
The latest recorded votes this member took part in, with how they voted.
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Votes on bills they sponsored
Recorded votes on the bills and resolutions this member introduced, newest first.
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Terms served
Each term in office, with the seat and party at the time.
| Jan 3, 2023 | Jan 3, 2029 (scheduled) | Senate | CT | Democrat |
| Jan 3, 2017 | Jan 3, 2023 | Senate | CT | Democrat |
| Jan 5, 2011 | Jan 3, 2017 | Senate | CT | Democrat |