A.R.T. Advisors, LLC - QUANTUM CORP ownership

QUANTUM CORP's ticker is QMCO and the CUSIP is 747906501. A total of 67 filers reported holding QUANTUM CORP in Q4 2018. The put-call ratio across all filers is 0.27 and the average weighting 0.2%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of QUANTUM CORP
ValueSharesWeighting
Q3 2018$35,000
-53.3%
14,691
-57.1%
0.00%
-33.3%
Q2 2018$75,000
-60.7%
34,281
-34.9%
0.00%
-62.5%
Q1 2018$191,00052,6950.01%
Other shareholders
QUANTUM CORP shareholders Q4 2018
NameSharesValueWeighting ↓
B. Riley Financial, Inc. 8,547,611$52,311,0008.48%
Deep Field Asset Management LLC 792,005$4,847,0002.53%
Union Square Park Capital Management, LLC 587,775$3,597,0001.43%
Eidelman Virant Capital 468,850$2,868,0001.25%
Pacific Ridge Capital Partners, LLC 683,013$4,180,0001.02%
Adirondack Research & Management Inc. 90,590$554,0000.76%
EQUITEC PROPRIETARY MARKETS, LLC 361,987$2,215,0000.58%
HEARTLAND ADVISORS INC 662,755$4,056,0000.29%
TCW GROUP INC 3,262,290$19,965,0000.17%
FRIESS ASSOCIATES LLC 349,597$2,140,0000.16%
View complete list of QUANTUM CORP shareholders