INVESTMENTS

As of September 30, 2016 and December 31, 2015, the Company had commercial paper and money market investments of $372.2 million and $433.0 million, respectively, that are classified as cash, cash equivalents and restricted cash in the Company's Condensed Consolidated Balance Sheets.

Investments in marketable equity securities comprised the following:



	As of
	September 30, 2016			December 31, 2015
(in thousands)	September 30, 2016			December 31, 2015
Total cost	$	284,343		$	253,062
Gross unrealized gains	107,145			97,741
Gross unrealized losses	(8,711		)	(240		)
Total Fair Value	$	382,777		$	350,563

The Company settled on $48.3 million of marketable equity securities purchases during the first nine months of 2016, of which $47.9 million was purchased in the first nine months. There were $135.6 million of new investments in marketable equity securities during the first nine months of 2015.

The total proceeds from the sales of marketable equity securities for the first nine months of 2016 were $22.8 million, with realized gains of $6.3 million. There were no sales of marketable equity securities in the first nine months of 2015.

As of September 30, 2016, the Company held an approximate 20% interest in HomeHero and interests in several other affiliates; Residential Healthcare (Residential) held a 40% interest in Residential Home Health Illinois, a 42.5% interest in Residential Hospice Illinois and a 40% interest in the joint venture formed between Residential and a Michigan hospital; and Celtic Healthcare (Celtic) held a 40% interest in the joint venture formed between Celtic Healthcare and Allegheny Health Network (AHN) (see Note 4).