Capital

The following insurers made headlines this week. They are listed below, beginning with the most recent.

Seven of the leading health insurers in the U.S. saw their membership grow 3 percent in the second quarter of fiscal year 2015, compared to the same period of last year.

West Des Moines, Iowa-based UnityPoint Health and Bloomington, Minn.-based HealthPartners plan to create a new insurance company that offers a new integrated option to consumers.

Stockholders in both Los Angeles-based Health Net and St. Louis-based Centene voted to approve the proposed merger between the two organizations.

San Mateo, Calif.-based health insurance and software startup Collective Health closed an $81 million Series C funding round Tuesday, including investors Google Ventures, NEA and Founders Fund.

Four insurance giants — Aetna, Blue Cross & Blue Shield of Illinois, Humana and UnitedHealthcare — are returning to the Illinois health insurance exchange this year, according to Crain's Chicago Business.

Aetna's proposed $37 billion acquisition of Humana was approved by shareholders of both companies on Monday, according to Reuters.

Eight of the original insurance co-ops formed under the Affordable Care Act have shut down this year.

New York-based Oscar Health, a young insurance company, provides a mobile app for clients fully equipped with unique "click and appointments" options, according to the L.A. Times.

David Torchiana, MD. President and CEO of Partners HealthCare (Boston). In March, Dr. Torchiana was appointed president and CEO of Partners HealthCare. In this position he oversees the Institute of Health Professions, a graduate school subsidiary of Massachusetts General Hospital…