SIMPLEX TRADING, LLC - QUANTUM CORP ownership

QUANTUM CORP's ticker is QTM and the CUSIP is 747906204. A total of 159 filers reported holding QUANTUM CORP in Q2 2015. The put-call ratio across all filers is 0.61 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of QUANTUM CORP
ValueSharesWeighting
Q3 2015$0300
-9.6%
0.00%
Q2 2015$0332
+31.7%
0.00%
Q4 2014$02520.00%
Other shareholders
QUANTUM CORP shareholders Q2 2015
NameSharesValueWeighting ↓
Breithorn Capital Management 4,457,608$3,108,0002.21%
Private Capital Management, LLC 16,649,852$11,610,0001.38%
Sippican Capital Advisors 1,449,617$1,011,0001.28%
COOPER CREEK PARTNERS MANAGEMENT LLC 1,681,020$1,172,0001.18%
Potomac Capital Management, Inc. 1,202,500$839,0001.04%
Anson Funds Management LP 3,011,316$2,100,0000.61%
Park West Asset Management LLC 9,319,900$6,499,0000.59%
Starboard Value LP 25,695,000$17,917,0000.40%
EII CAPITAL MANAGEMENT, INC. 2,378,965$1,659,0000.27%
SUFFOLK CAPITAL MANAGEMENT LLC 2,412,012$1,682,0000.22%
View complete list of QUANTUM CORP shareholders