Investors Get Big Chunks of Tokos

Two institutional investors--Montgomery Medical Ventures L.P. of San Francisco and Allstate Insurance--have attained substantial ownership positions in Tokos Medical Corp. as a result of Tokos’ Aug. 31 acquisition of Physiologic Diagnostic Services.

Santa Ana-based Tokos said Tuesday that Montgomery’s 32% ownership of PDS has been converted into a 6.7% interest, or 968,800 of its shares, and Allstate’s 29% ownership of PDS has been converted into a 5.1% interest, or 742,000 shares.

Tokos provides monitoring devices and home-monitoring services to women with high-risk pregnancies.