SIMPLEX TRADING, LLC - NATUS MEDICAL INC DEL ownership

NATUS MEDICAL INC DEL's ticker is NTUS and the CUSIP is 639050103. A total of 237 filers reported holding NATUS MEDICAL INC DEL in Q4 2016. The put-call ratio across all filers is 1.18 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of NATUS MEDICAL INC DEL
ValueSharesWeighting
Q2 2022$270,000
+6650.0%
8,259
+4029.5%
0.00%
Q4 2021$4,000
-89.5%
200
-86.8%
0.00%
Q1 2021$38,000
-22.4%
1,511
-47.9%
0.00%
Q3 2020$49,000
+716.7%
2,902
+921.8%
0.00%
Q2 2020$6,000
-99.8%
284
-99.8%
0.00%
-100.0%
Q1 2020$3,108,000
+3600.0%
134,403
+5152.2%
0.01%
Q4 2019$84,000
+342.1%
2,559
+308.1%
0.00%
Q3 2019$19,000
+850.0%
627
+508.7%
0.00%
Q2 2019$2,000
-96.2%
103
-93.5%
0.00%
Q4 2018$53,000
+3.9%
1,583
+21.5%
0.00%
-100.0%
Q1 2017$51,000
-21.5%
1,303
-30.8%
0.00%
-50.0%
Q4 2016$65,000
+195.5%
1,884
+228.2%
0.00%
+300.0%
Q3 2016$22,000
-75.8%
574
-76.0%
0.00%
-85.7%
Q1 2016$91,000
-36.4%
2,392
-19.7%
0.01%
-36.4%
Q4 2015$143,000
+1200.0%
2,979
+930.8%
0.01%
+1000.0%
Q3 2015$11,000
-31.2%
289
-25.3%
0.00%0.0%
Q2 2015$16,0003870.00%
Other shareholders
NATUS MEDICAL INC DEL shareholders Q4 2016
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