SIMPLEX TRADING, LLC - STAAR SURGICAL CO ownership

STAAR SURGICAL CO's ticker is STAA and the CUSIP is 852312305. A total of 183 filers reported holding STAAR SURGICAL CO in Q4 2018. The put-call ratio across all filers is 0.16 and the average weighting 0.5%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of STAAR SURGICAL CO
ValueSharesWeighting
Q2 2023$788
+32.4%
15,003
+61.1%
0.00%0.0%
Q1 2023$595
-99.7%
9,312
+231.9%
0.00%
Q1 2022$224,000
+86.7%
2,806
+112.1%
0.00%
Q4 2021$120,000
-92.6%
1,323
-87.7%
0.00%
-100.0%
Q3 2021$1,623,000
+1.9%
10,740
+2.9%
0.00%0.0%
Q2 2021$1,592,000
+366.9%
10,440
+221.8%
0.00%
+100.0%
Q1 2021$341,000
-36.6%
3,244
-52.2%
0.00%0.0%
Q4 2020$538,000
-43.9%
6,792
-60.0%
0.00%0.0%
Q3 2020$959,000
+977.5%
16,960
+1062.4%
0.00%
Q2 2020$89,000
-10.1%
1,459
-62.1%
0.00%
Q3 2019$99,000
-78.3%
3,853
-75.3%
0.00%
-100.0%
Q2 2019$457,000
+204.7%
15,587
+253.2%
0.00%
Q1 2019$150,000
+28.2%
4,413
+80.0%
0.00%
Q3 2018$117,000
-48.9%
2,451
-86.7%
0.00%
-100.0%
Q3 2017$229,000
+65.9%
18,435
+44.3%
0.01%
+50.0%
Q2 2017$138,000
+2200.0%
12,779
+1961.1%
0.01%
Q1 2017$6,000
-97.0%
620
-96.6%
0.00%
-100.0%
Q4 2016$197,000
+756.5%
18,231
+641.7%
0.01%
+500.0%
Q3 2016$23,0002,458
+2571.7%
0.00%
Q2 2016$0
-100.0%
92
-97.7%
0.00%
-100.0%
Q1 2016$29,000
+625.0%
3,947
+844.3%
0.00%
Q2 2015$4,000
-84.0%
418
-84.8%
0.00%
-100.0%
Q4 2014$25,0002,7430.00%
Other shareholders
STAAR SURGICAL CO shareholders Q4 2018
NameSharesValueWeighting ↓
BROADWOOD CAPITAL INC 8,783,082$426,330,80035.66%
APEIRON CAPITAL Ltd 337,639$16,388,99715.97%
Defender Capital, LLC. 501,071$24,321,9869.83%
Palo Alto Investors LP 1,240,077$60,193,3385.13%
E Fund Management Co., Ltd. 902,296$43,7973.64%
Sio Capital Management, LLC 157,129$7,627,0422.82%
Aubrey Capital Management Ltd 62,400$3,029,4722.43%
Roubaix Capital, LLC 56,756$2,754,9362.23%
Alpha Paradigm Partners, LLC 52,381$2,543,0001.05%
GENEVA CAPITAL MANAGEMENT LLC 940,457$45,649,7821.03%
View complete list of STAAR SURGICAL CO shareholders