Boston Roundup:, Sonian, QD Vision, Rest Devices, a Waltham, MA-based operator of Web search services for finding babysitters and other personal service providers, has reportedly filed secret paperwork for an IPO. The Wall Street Journal has that report, citing anonymous sources, part of the new routine for IPOs under secret filing provisions of the Jobs Act. has raised some $110 million of private financing in its lifetime, including a $50 million Series E round last year.

Sonian, a Newton, MA-based cloud data archiving company, has filed paperwork indicating a new $8 million investment round. Sonian raised a $13.6 million Series C round last year, led by OpenView Venture Partners and joined by Prism VentureWorks and Summerhill Venture Partners. On its website, Sonian says it has more than 13,000 customers.

QD Vision, based in Lexington, MA, has raised another $8 million in venture investment for its nanomaterials technology that can improve the display quality of high-end TVs. The company, which spun out of MIT in 2004, confirms to the Boston Business Journal that the money is a new influx of cash from existing investors. QD Vision raised $20 million earlier this year, and has now raised more than $80 million in its lifetime.

Rest Devices, a Boston startup that makes wearable technology for babies, has raised about $1.2 million in equity investments. The company says the money will help pay for development of its product called the Mimo, which is a baby onesie embedded with sensors and a transmitter that can beam information about the baby’s sleep, temperature, and other factors to a parent’s smartphone. Rest Devices had previously tried to raise $200,000 for the Mimo in a crowdfunding campaign, but didn’t meet its goal.

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