Horizon Software, a provider of market making and algo trading technology, has expanded its electronic trading platform to include market making and agency trading functions in one single platform, powered by its algo framework.
https://www.privateequitywire.co.uk/2021/09/30/306970/virtu-makes-strategic-investment-clearlist Virtu Financial, a provider of trading solutions and liquidity to the global markets, has become a strategic investor in ClearList. Other investors in ClearList include GTS, a leading electronic market maker across global financial instruments, Tudor Global Trading, founded by legendary investor Paul Tudor Jones, and David “Tiger” Williams, founder of Williams Trading. Together with GTS, the Virtu investment brings together on behalf of ClearList, two of the largest global electronic equity market makers in the world.
https://tabbforum.com/opinions/sef-trading-stumbles-to-end-the-year/ Colby Jenkins TABB Group - "Taking all of this into account, 2019 was nonetheless an up year for SEF trading (Exhibit 4, below). Compared to total notional volume traded two years ago, notional SEF activity has grown by just under 40%, or roughly $58.15 trillion, since 2017 – primarily driven by the IRD market. With a significant slowdown in IRD SEF trading over the past quarter, though, 2020 is already shaping up to be a year of further departure from the SEF market status-quo."