Starboard Value’s Quantum Corp QMCO Stock Holding History

Starboard Value’s Portfolio QMCO Stock Details QMCO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-46,994	Closed	-$5.75M	–	25
2017 Q3	$5.75M	Hold	46,994	–	–	0.16%	23
2017 Q2	$7.34M	Hold	46,994	–	–	0.21%	19
2017 Q1	$6.54M	Hold	46,994	–	–	0.2%	21
2016 Q4	$6.26M	Sell	46,994 -71,562	-60%	-$9.37M	0.19%	22
2016 Q3	$14M	Hold	118,556	–	–	0.43%	23
2016 Q2	$7.97M	Hold	118,556	–	–	0.34%	21
2016 Q1	$11.6M	Sell	118,556 -42,038	-26%	-$4.04M	0.48%	18
2015 Q4	$23.9M	Hold	160,594	–	–	0.92%	18
2015 Q3	$17.9M	Hold	160,594	–	–	0.61%	23
2015 Q2	$43.2M	Hold	160,594	–	–	1.4%	22
2015 Q1	$41.1M	Hold	160,594	–	–	1.27%	18
2014 Q4	$45.2M	Hold	160,594	–	–	1.4%	17
2014 Q3	$29.8M	Hold	160,594	–	–	1.21%	17
2014 Q2	$31.3M	Hold	160,594	–	–	1.49%	19
2014 Q1	$31.3M	Hold	160,594	–	–	2.06%	16
2013 Q4	$30.8M	Hold	160,594	–	–	1.8%	16
2013 Q3	$35.5M	Hold	160,594	–	–	2.85%	12
2013 Q2	$35.2M	Buy	+160,594	New	+$35.9M	2.86%	14

Other funds holding QMCO

VIEX Capital Advisors Sunny Isles Beach, Florida $29.7M AUM 55.48% 1-Year Est. Return

Park West Asset Management San Francisco, California $1.13B AUM 47.25% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Alta Fundamental Advisers New York $254M AUM 98.61% 1-Year Est. Return

Wells Fargo San Francisco, California $501B AUM 22.01% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return

Pacific Ridge Capital Partners Lake Oswego, Oregon $462M AUM 40.76% 1-Year Est. Return

PenderFund Capital Management Vancouver, British Columbia, Canada $639M AUM 31.05% 1-Year Est. Return

Renaissance Technologies

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return