COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT - NATUS MEDICAL INC DEL ownership

NATUS MEDICAL INC DEL's ticker is NTUS and the CUSIP is 639050103. A total of 185 filers reported holding NATUS MEDICAL INC DEL in Q3 2014. The put-call ratio across all filers is 0.14 and the average weighting 0.3%.

Quarter-by-quarter ownership
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT ownership history of NATUS MEDICAL INC DEL
ValueSharesWeighting
Q1 2016$7,936,000
-40.6%
206,507
-25.8%
0.57%
-38.9%
Q4 2015$13,365,000
+8.9%
278,162
-10.6%
0.93%
+8.1%
Q3 2015$12,273,000
-20.4%
311,123
-14.1%
0.86%
-10.0%
Q2 2015$15,418,000
-16.9%
362,284
-22.9%
0.95%
-3.4%
Q1 2015$18,548,000
-2.8%
469,927
-11.3%
0.99%
-0.1%
Q4 2014$19,083,000
+10.7%
529,500
-9.3%
0.99%
+12.3%
Q3 2014$17,231,000
+13.2%
583,934
-3.5%
0.88%
+24.9%
Q2 2014$15,216,000
+74.9%
605,261
+79.5%
0.70%
+85.8%
Q1 2014$8,700,000
+14.1%
337,237
-0.5%
0.38%
+15.9%
Q4 2013$7,627,000
-8.2%
338,995
-42.1%
0.33%
-11.6%
Q3 2013$8,309,000
-7.1%
585,972
-10.6%
0.37%
-12.5%
Q2 2013$8,942,000
-2.3%
655,158
-3.8%
0.42%
-3.2%
Q1 2013$9,152,000681,0200.44%
Other shareholders
NATUS MEDICAL INC DEL shareholders Q3 2014
NameSharesValueWeighting ↓
DOMINI IMPACT INVESTMENTS LLC 30,410$1,096,00021.48%
BEDDOW CAPITAL MANAGEMENT INC 385,525$13,894,0004.38%
Lyon Street Capital, LLC 227,975$8,215,0003.42%
FALCON POINT CAPITAL, LLC 92,364$3,329,0003.05%
Motley Fool Asset Management LLC 448,741$16,173,0003.04%
RK Capital 295,967$10,667,0002.11%
AlphaOne Investment Services, LLC 132,062$4,760,0001.77%
Tamarack Capital Management, LLC 223,236$8,045,0001.22%
Lisanti Capital Growth, LLC 63,809$2,300,0001.15%
Price Capital Management, Inc. 32,607$1,175,0001.04%
View complete list of NATUS MEDICAL INC DEL shareholders