Liquidnet Canada will pay a C$600,000 administrative penalty to settle Ontario Securities Commission charges that it allowed employees at its US and UK affiliates to see confidential order and trade information belonging to Canadian marketplace participants, the regulator said Wednesday.
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The Capital Markets Tribunal approved the settlement, which also requires the TP ICAP subsidiary to pay C$75,000 toward the cost of the OSC's investigation, submit to a review by an independent consultant, and accept an oral reprimand from one of its current officers. The Toronto-based investment dealer admitted it breached confidentiality requirements under National Instrument 21-101, the rulebook that governs Canadian marketplaces.
Liquidnet Canada Inc. (LCI) runs alternative trading systems where institutional investors can match large orders away from public exchanges, similar in design to dark pool venues operated by other agency brokers. The visibility problems first surfaced on its fixed income ATS in mid-2023, then resurfaced more than a year later on the equities side.
Visibility Problem Surfaced in Mid-2023
By June 30, 2023, Liquidnet's Canadian operations realized something was off with its shared technology stack. Fixed income staff in Canada could potentially see certain order and trade information belonging to clients of US sister company Liquidnet, Inc., and the access ran in the other direction too, with employees at LCI's foreign affiliates able to see information of LCI's own marketplace participants.
The firm flipped the switch off on Canadian debt securities trading on August 29, 2023, then notified the OSC the next day. The incident report it sent to the regulator described the shutdown as a routine matter, telling staff that "Liquidnet is making system enhancements that impact the Marketplace which require us to suspend trading to complete the enhancements." It added there was "no incident" behind the move, just an enhancement Liquidnet had decided was warranted.
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That framing did not hold up. Through the fall of 2023, OSC staff pressed Liquidnet for more detail on how segregated the systems were across jurisdictions. It was not until a quarterly meeting on November 1, 2023, that LCI told the regulator the suspension had actually been triggered by foreign affiliate employees having visibility into Canadian client data. The OSC noted in the settlement that LCI "ought to have advised the Commission of the visibility issue earlier than it did."
Equities Platform Hit by the Same Issue a Year Later
By October 2024, Liquidnet found the same problem on its equities ATS. This time the firm reported the issue to the OSC promptly, according to the settlement document. Order and trade information of Canadian equities participants had been visible to certain employees of Liquidnet, Inc., the US affiliate. The indications of interest that drive the matching engine on both venues remained shielded throughout, the OSC said, and investigators did not find evidence that affiliate employees actually accessed the data or that it leaked to third parties.
The settlement is built on the breach of the confidentiality framework itself rather than any documented misuse. Under NI 21-101, marketplace operators must restrict access to participants' order and trade information to people who genuinely need it to provide the service, and they need consent to share it more broadly.
Dark Pool Confidentiality a Recurring Sore Spot for Regulators
The handling of confidential trading data has been a familiar source of trouble for alternative venue operators on both sides of the Canada-US border. US regulators have extracted hundreds of millions of dollars in penalties from dark pool operators over the past decade for misleading clients about who could see their orders or how their trades were routed. Barclays paid US$70 million and Credit Suisse paid US$84.3 million over dark pool practices, while ITG, UBS, and Pipeline Trading Systems each settled separate cases over similar information-handling failures.
More recently, Virtu Americas paid US$1.5 million in 2019 to settle SEC charges that its Virtu MatchIt ATS exceeded volume thresholds. Citigroup also settled SEC charges over claims that its CORE dark pool misled investors about protections from high-frequency traders, and that nearly half of orders sent to its Citi Match venue were rerouted to other dark pools and exchanges. The wave of cases eventually pushed the SEC to tighten Regulation ATS in 2018, forcing dark pools to file detailed public disclosures on Form ATS-N and to maintain safeguards around client information.
The Canadian alternative venue market itself has been reshaped by recent moves from larger players. Cboe Global Markets acquired MATCHNow from Virtu Financial in 2020 to enter Canada's equity dark pool space, while TMX Group, the operator of the Toronto Stock Exchange, expanded its alternative venue footprint with the launch of AlphaX US in early 2025. Both compete with Liquidnet for institutional flow, putting added pressure on smaller marketplaces to demonstrate clean compliance records.
Penalty Lands as TP ICAP Reports Record Year
The penalty arrives on the back of strong overall results for parent TP ICAP. The London-listed interdealer broker reported record annual revenue of $3.15 billion for 2025, with the Liquidnet multi-asset agency execution division contributing $489 million, up 4% at constant currency. TP ICAP also announced a $107 million share buyback alongside the results in March.
TP ICAP acquired the dark pool operator from founder Seth Merrin in 2021 in a deal worth between $575 million and $700 million depending on performance milestones. Liquidnet has since been folded into the broader TP ICAP electronic trading and agency execution stack, and the unit has been pushing into US equity options and Latin American expansion as part of its multi-asset strategy.
The Canadian settlement was signed by Soshi Sankat, Head of Canada at Liquidnet Canada. The agreement notes that the firm "fully co-operated" with the OSC investigation, a factor cited as mitigating in the proceedings. LCI continues to operate its equities ATS in Canada, while trading in Canadian debt securities on its fixed income ATS has remained suspended since the August 2023 voluntary shutdown.
