WELLINGTON MANAGEMENT GROUP LLP - CAMBIUM LEARNING GRP INC ownership

CAMBIUM LEARNING GRP INC's ticker is ABCD and the CUSIP is 13201A107. A total of 1 filers reported holding CAMBIUM LEARNING GRP INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of CAMBIUM LEARNING GRP INC
ValueSharesWeighting
Q3 2018$263,000
+6.0%
22,2430.0%0.00%
Q2 2018$248,00022,2430.00%
Other shareholders
CAMBIUM LEARNING GRP INC shareholders Q4 2018
NameSharesValueWeighting ↓
Balter Liquid Alternatives, LLC 78,947$400,0000.46%
Acrospire Investment Management LLC 23,040$117,0000.11%
Spark Investment Management LLC 161,100$816,0000.05%
S. MUOIO & CO. LLC 13,100$66,0000.03%
QUANTUM CAPITAL MANAGEMENT 12,044$61,0000.02%
Cetera Advisors LLC 38,408$194,0000.01%
Renaissance Technologies 883,100$4,477,0000.01%
GAMCO INVESTORS, INC. ET AL 195,000$989,0000.01%
Teton Advisors, Inc. 10,000$51,0000.01%
MARTINGALE ASSET MANAGEMENT L P 63,711$324,0000.01%
View complete list of CAMBIUM LEARNING GRP INC shareholders