WELLINGTON MANAGEMENT GROUP LLP - QUANTUM CORP ownership

QUANTUM CORP's ticker is QTM and the CUSIP is 747906204. A total of 102 filers reported holding QUANTUM CORP in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of QUANTUM CORP
ValueSharesWeighting
Q3 2015$248,000
-59.9%
356,100
-3.5%
0.00%
Q2 2015$619,000
+4.9%
368,8780.0%0.00%
Q1 2015$590,000
+126.1%
368,878
+148.6%
0.00%
Q4 2014$261,000
-81.5%
148,400
-87.4%
0.00%
Q4 2013$1,410,000
-13.1%
1,175,1000.0%0.00%
-100.0%
Q3 2013$1,622,000
+0.7%
1,175,1000.0%0.00%0.0%
Q2 2013$1,610,0001,175,1000.00%
Other shareholders
QUANTUM CORP shareholders Q2 2013
NameSharesValueWeighting ↓
Nokomis Capital, L.L.C. 10,010,946$17,619,0005.57%
Potomac Capital Management, Inc. 1,525,023$2,684,0003.10%
Sippican Capital Advisors 1,551,174$2,730,0002.73%
Breithorn Capital Management 2,403,515$4,230,0002.71%
BRIGHTFIELD CAPITAL MANAGEMENT LLC 1,240,000$2,182,0002.31%
COOPER CREEK PARTNERS MANAGEMENT LLC 1,540,026$2,170,0002.28%
Private Capital Management, LLC 10,701,971$18,835,0002.07%
Park West Asset Management LLC 6,425,000$11,308,0001.79%
Roumell Asset Management, LLC 678,370$1,194,0001.51%
Starboard Value LP 25,695,000$45,223,0001.02%
View complete list of QUANTUM CORP shareholders