
Richard BlumenthalSenate
U.S. Senator · CT · D · 2026-08 → 2026-10
- Chamber
- Senate
- Party
- D
- State
- CT
- Trades
- 30 (18 buys · 12 sells)
- Estimated volume
- $3.1M
- Late filings
- 0% (0 of 30)
- Median filing lag
- 33 days
Returns by stock
Each stock's return since they bought it, next to the S&P 500 over the same days.
| # | Stock | Trades | Buys / sells | Beat S&P 500 | Stock return | S&P 500 |
|---|---|---|---|---|---|---|
| 1 | STLN | 5 | 0/5 | — | — | — |
Committees
Sits onArmed Services SenateHomeland Security and Governmental Affairs SenateJudiciary SenateVeterans' Affairs Senate
None of their 5 stock trades since January 2025 was in a company lobbying their committees.
Trades by month
Disclosed buys and sells, by the month they were made. Tap or hover for the stocks.
BuysSells
| Month | Buys | Sells |
|---|---|---|
| Oct 2026 | 4 | 0 |
| Sep 2026 | 7 | 7 |
| Aug 2026 | 7 | 5 |
Buys and sells per month as a CSV, by the month they were made.
All trades
30 of 30

Richard Blumenthal
Senate · D · CT
Buy$15K-50K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Summa I LLC

Richard Blumenthal
Senate · D · CT
Buy$1K-15K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Other One LLC

Richard Blumenthal
Senate · D · CT
Buy$50K-100K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 9 LLC

Richard Blumenthal
Senate · D · CT
Buy$100K-250K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Buy$15K-50K
—ZdP Investments Fund I, LP
Company: ZdP Investments Fund I, LP
(Palo Alto, CA)
Description: Private Equity Fund
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Sell·p$1K-15K
-42.7% vs SPY
STLNStarling Oncology, Inc. - Common Stock
Underlying Asset of Hedge Holdings LLC. Name change – previously reported as Oncology Institute, Inc. (TOI).

Richard Blumenthal
Senate · D · CT
Buy$1K-15K
—ZdP Investments Fund I, LP
Company: ZdP Investments Fund I, LP
(Palo Alto, CA)
Description: Private Equity Fund
Underlying asset of 3M's Partners LLC, owned through Peter L. Malkin Family 9 LLC

Richard Blumenthal
Senate · D · CT
Sell·p$1K-15K
-43.7% vs SPY
STLNStarling Oncology, Inc. - Common Stock
Underlying Asset of Magnifique LLC. Name change – previously reported as Oncology Institute, Inc. (TOI).

Richard Blumenthal
Senate · D · CT
Sell·p$15K-50K
-43.7% vs SPY
STLNStarling Oncology, Inc. - Common Stock
Underlying Asset of LarryMae Partners LLC. Name change – previously reported as Oncology Institute, Inc. (TOI).

Richard Blumenthal
Senate · D · CT
Buy$1K-15K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Summa I LLC

Richard Blumenthal
Senate · D · CT
Sell$500K-1M
—GCP Captivate Secondary LP
Company: Captivate Network
(New York, NY)
Description: Media Company
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Sell·p$1K-15K
-44.5% vs SPY
STLNStarling Oncology, Inc. - Common Stock
Underlying Asset of Magnifique LLC. Name change – previously reported as Oncology Institute, Inc. (TOI).

Richard Blumenthal
Senate · D · CT
Sell·p$15K-50K
-44.5% vs SPY
STLNStarling Oncology, Inc. - Common Stock
Underlying Asset of LarryMae Partners LLC. Name change – previously reported as Oncology Institute, Inc. (TOI).

Richard Blumenthal
Senate · D · CT
Sell$50K-100K
—A-IC, a series of A-ST Opportunity Funds LLC
Company: Intercom, Inc
(New York, NY)
Description: Messaging Software
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Buy$1K-15K
—Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund
Underlying Asset of Other One LLC

Richard Blumenthal
Senate · D · CT
Buy$15K-50K
—Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund
Underlying Asset of Hedge Holdings LLC

Richard Blumenthal
Senate · D · CT
Buy$50K-100K
—Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund
Underlying Asset of Summa I LLC

Richard Blumenthal
Senate · D · CT
Buy$250K-500K
—Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Buy$15K-50K
—Days Between LLC
Company: Days Between LLC
(New York, NY)
Description: Partnership
Underlying Asset of New Things Partners LLC

Richard Blumenthal
Senate · D · CT
Buy$250K-500K
—Days Between LLC
Company: Days Between LLC
(New York, NY)
Description: Partnership
Underlying Asset of Summa I LLC

Richard Blumenthal
Senate · D · CT
Buy$1K-15K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Buy$100K-250K
—Days Between LLC
Company: Days Between LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Buy$1K-15K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of New Things Partners LLC

Richard Blumenthal
Senate · D · CT
Buy$15K-50K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of LarryMae Partners LLC

Richard Blumenthal
Senate · D · CT
Buy$50K-100K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Sell·p$1K-15K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of New Things Partners LLC

Richard Blumenthal
Senate · D · CT
Sell·p$15K-50K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Other One LLC

Richard Blumenthal
Senate · D · CT
Sell·p$50K-100K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Summa I LLC

Richard Blumenthal
Senate · D · CT
Sell·p$250K-500K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 2000 LLC

Richard Blumenthal
Senate · D · CT
Sell·p$100K-250K
—MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership
Underlying Asset of Peter L. Malkin Family 9 LLC
| Asset | Source | |||||||
|---|---|---|---|---|---|---|---|---|
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Summa I LLC | Buy | $15K-50K | 2026-10-07 | 2026-10-26 19d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Other One LLC | Buy | $1K-15K | 2026-10-07 | 2026-10-26 19d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 9 LLC | Buy | $50K-100K | 2026-10-07 | 2026-10-26 19d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 2000 LLC | Buy | $100K-250K | 2026-10-07 | 2026-10-26 19d | — | |
![]() Richard Blumenthal Senate · D · CT | — | ZdP Investments Fund I, LP
Company: ZdP Investments Fund I, LP
(Palo Alto, CA)
Description: Private Equity Fund Underlying Asset of Peter L. Malkin Family 2000 LLC | Buy | $15K-50K | 2026-09-24 | 2026-10-26 32d | — | |
![]() Richard Blumenthal Senate · D · CT | Starling Oncology, Inc. - Common Stock Underlying Asset of Hedge Holdings LLC. Name change – previously reported as Oncology Institute, Inc. (TOI). | Sell·p | $1K-15K | 2026-09-23 | 2026-10-26 33d | -42.7% | ||
![]() Richard Blumenthal Senate · D · CT | — | ZdP Investments Fund I, LP
Company: ZdP Investments Fund I, LP
(Palo Alto, CA)
Description: Private Equity Fund Underlying asset of 3M's Partners LLC, owned through Peter L. Malkin Family 9 LLC | Buy | $1K-15K | 2026-09-23 | 2026-10-26 33d | — | |
![]() Richard Blumenthal Senate · D · CT | Starling Oncology, Inc. - Common Stock Underlying Asset of Magnifique LLC. Name change – previously reported as Oncology Institute, Inc. (TOI). | Sell·p | $1K-15K | 2026-09-22 | 2026-10-26 34d | -43.7% | ||
![]() Richard Blumenthal Senate · D · CT | Starling Oncology, Inc. - Common Stock Underlying Asset of LarryMae Partners LLC. Name change – previously reported as Oncology Institute, Inc. (TOI). | Sell·p | $15K-50K | 2026-09-22 | 2026-10-26 34d | -43.7% | ||
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Summa I LLC | Buy | $1K-15K | 2026-09-21 | 2026-10-26 35d | — | |
![]() Richard Blumenthal Senate · D · CT | — | GCP Captivate Secondary LP
Company: Captivate Network
(New York, NY)
Description: Media Company Underlying Asset of Peter L. Malkin Family 2000 LLC | Sell | $500K-1M | 2026-09-21 | 2026-10-26 35d | — | |
![]() Richard Blumenthal Senate · D · CT | Starling Oncology, Inc. - Common Stock Underlying Asset of Magnifique LLC. Name change – previously reported as Oncology Institute, Inc. (TOI). | Sell·p | $1K-15K | 2026-09-18 | 2026-10-26 38d | -44.5% | ||
![]() Richard Blumenthal Senate · D · CT | Starling Oncology, Inc. - Common Stock Underlying Asset of LarryMae Partners LLC. Name change – previously reported as Oncology Institute, Inc. (TOI). | Sell·p | $15K-50K | 2026-09-18 | 2026-10-26 38d | -44.5% | ||
![]() Richard Blumenthal Senate · D · CT | — | A-IC, a series of A-ST Opportunity Funds LLC
Company: Intercom, Inc
(New York, NY)
Description: Messaging Software Underlying Asset of Peter L. Malkin Family 2000 LLC | Sell | $50K-100K | 2026-09-17 | 2026-10-26 39d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund Underlying Asset of Other One LLC | Buy | $1K-15K | 2026-09-11 | 2026-09-28 17d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund Underlying Asset of Hedge Holdings LLC | Buy | $15K-50K | 2026-09-11 | 2026-09-28 17d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund Underlying Asset of Summa I LLC | Buy | $50K-100K | 2026-09-11 | 2026-09-28 17d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Not Fade Away LLC
Company: Not Fade Away LLC
(New York, NY)
Description: Hedge Fund Underlying Asset of Peter L. Malkin Family 2000 LLC | Buy | $250K-500K | 2026-09-11 | 2026-09-28 17d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Days Between LLC
Company: Days Between LLC
(New York, NY)
Description: Partnership Underlying Asset of New Things Partners LLC | Buy | $15K-50K | 2026-08-27 | 2026-09-28 32d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Days Between LLC
Company: Days Between LLC
(New York, NY)
Description: Partnership Underlying Asset of Summa I LLC | Buy | $250K-500K | 2026-08-27 | 2026-09-28 32d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 2000 LLC | Buy | $1K-15K | 2026-08-27 | 2026-09-28 32d | — | |
![]() Richard Blumenthal Senate · D · CT | — | Days Between LLC
Company: Days Between LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 2000 LLC | Buy | $100K-250K | 2026-08-27 | 2026-09-28 32d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of New Things Partners LLC | Buy | $1K-15K | 2026-08-24 | 2026-09-28 35d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of LarryMae Partners LLC | Buy | $15K-50K | 2026-08-24 | 2026-09-28 35d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 2000 LLC | Buy | $50K-100K | 2026-08-24 | 2026-09-28 35d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of New Things Partners LLC | Sell·p | $1K-15K | 2026-08-19 | 2026-09-28 40d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Other One LLC | Sell·p | $15K-50K | 2026-08-19 | 2026-09-28 40d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Summa I LLC | Sell·p | $50K-100K | 2026-08-19 | 2026-09-28 40d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 2000 LLC | Sell·p | $250K-500K | 2026-08-19 | 2026-09-28 40d | — | |
![]() Richard Blumenthal Senate · D · CT | — | MH Built to Last LLC
Company: MH Built to Last LLC
(New York, NY)
Description: Partnership Underlying Asset of Peter L. Malkin Family 9 LLC | Sell·p | $100K-250K | 2026-08-19 | 2026-09-28 40d | — |