An SEC federal-court complaint filed in October alleges that Darren J. Caris and his firm, Caris Investment Partners, used the firm’s block trading account to direct profitable trades to the adviser’s personal account while disproportionately sending losing trades to clients. The case dates to 6 October and the SEC announced it on 8 October; this is a retrospective examination of a still-relevant trading-control allegation, not a newly filed action on 31 October.[1]
According to the Commission, the alleged allocations occurred from December 2023 through April 2024. The timing is central: orders originated in a shared block account, but decisions about which account received individual executions were allegedly made later in the trading day, after price movement revealed which trades were winners and losers. That sequence, if proved, would give an adviser a potential informational advantage unavailable to clients awaiting a neutral pre-established allocation method.[1]
The allegation is about allocation after execution
SEC-described block-trade mechanism
| Stage | Alleged behaviour or legal status |
|---|---|
| Order placement | Trades placed through firm block account |
| Allocation decision | Personal account favoured for profitable executions |
| Client treatment | Losing executions disproportionately assigned to clients |
| Period alleged | December 2023–April 2024 |
| Current legal position | Civil complaint; allegations not findings of guilt |
The lawsuit also alleges misleading statements about execution allocation, conflicts related to the adviser’s personal trading and a change to a different broker-dealer custodian. That last issue matters because clients commonly interpret a custody transition as an operational choice, whereas the SEC is alleging the surrounding representations were misleading. The complaint says nothing that proves every custody migration is problematic. The particular conduct, disclosure and timing must be established in court.[1]
The agency cites antifraud provisions of the Securities Act, Exchange Act and Advisers Act, and seeks permanent injunctions, disgorgement with prejudgment interest and civil penalties. It has not announced a settlement or a court-awarded disgorgement sum in this release. Neither the allegation of cherry-picking nor the requested remedies can properly be reported as a final judgment.[1]
A precise brokerage control problem
A brokerage surveillance team evaluating this risk needs reliable order timestamps, execution prices, identities of permitted allocating users, account allocation time and any later reassignments. A comparison of personal and customer-account results can reveal a pattern, but the legitimacy of particular allocations depends on mandates and the approved methodology. The SEC’s October case provides a concrete fact pattern for that audit question while leaving the outcome to the judicial process.[1][2]
Sources & further reading
- Litigation Release 26669: Darren J. Caris and Caris Investment Partners U.S. Securities and Exchange Commission · 8 Oct 2026 · Accessed 31 Oct 2026
- Investment adviser conflicts and allocation practices: enforcement litigation resources U.S. Securities and Exchange Commission · Accessed 31 Oct 2026