A.R.T. Advisors, LLC - TENNANT CO ownership

TENNANT CO's ticker is TNC and the CUSIP is 880345103. A total of 147 filers reported holding TENNANT CO in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of TENNANT CO
ValueSharesWeighting
Q4 2018$224,000
-74.0%
4,294
-62.2%
0.01%
-64.1%
Q3 2018$862,000
-25.5%
11,358
-22.5%
0.04%
-17.0%
Q2 2018$1,157,000
+221.4%
14,658
+168.9%
0.05%
+161.1%
Q3 2017$360,000
+22.9%
5,452
+34.2%
0.02%
+63.6%
Q4 2014$293,000
-7.0%
4,063
-37.8%
0.01%
+10.0%
Q2 2013$315,0006,5350.01%
Other shareholders
TENNANT CO shareholders Q4 2018
NameSharesValueWeighting ↓
Nichols Asset Management LLC 136,936$8,952,0001.57%
SFE Investment Counsel 44,410$2,903,0001.17%
Clean Yield Group 41,150$2,691,0001.15%
RICE HALL JAMES & ASSOCIATES, LLC 296,144$19,359,0001.12%
ArrowMark Colorado Holdings LLC 605,991$39,614,0001.03%
Granahan Investment Management 520,646$34,035,0000.97%
ARBOR CAPITAL MANAGEMENT LLC 121,250$7,926,0000.95%
IRONWOOD INVESTMENT MANAGEMENT LLC 65,321$4,270,0000.79%
Accredited Investors Inc. 43,306$2,831,0000.72%
EMERALD MUTUAL FUND ADVISERS TRUST 115,720$7,707,0000.63%
View complete list of TENNANT CO shareholders