Tamarack Advisers, LP - OPTINOSE INC ownership

OPTINOSE INC's ticker is OPTN and the CUSIP is 68404V100. A total of 65 filers reported holding OPTINOSE INC in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Tamarack Advisers, LP ownership history of OPTINOSE INC
ValueSharesWeighting
Q1 2021$646,000
-92.3%
175,000
-91.1%
0.13%
-92.4%
Q4 2020$8,411,000
+16.6%
1,972,000
+6.6%
1.75%
-21.2%
Q3 2020$7,215,000
-36.4%
1,850,000
+21.3%
2.22%
-29.6%
Q2 2020$11,346,000
+63.0%
1,525,000
-1.6%
3.16%
+19.8%
Q1 2020$6,960,000
-18.8%
1,550,000
+47.6%
2.64%
+34.6%
Q4 2019$8,568,000
+81.3%
1,050,000
+55.6%
1.96%
+59.1%
Q3 2019$4,725,000
+154.0%
675,000
+125.0%
1.23%
+62.4%
Q4 2018$1,860,000
-82.6%
300,000
-65.1%
0.76%
-75.2%
Q3 2018$10,690,000
-38.9%
860,000
+37.6%
3.05%
-47.9%
Q2 2018$17,488,000
+961.2%
625,000
+659.3%
5.85%
+646.7%
Q1 2018$1,648,00082,3150.78%
Other shareholders
OPTINOSE INC shareholders Q1 2019
NameSharesValueWeighting ↓
Foresite Capital Management IV, LLC 2,238,006$15,666,0005.06%
Wildcat Capital Management, LLC 518,250$3,628,0001.54%
Tamarack Advisers, LP 675,000$4,725,0001.23%
RICE HALL JAMES & ASSOCIATES, LLC 1,380,878$9,666,0000.35%
SVB WEALTH LLC 1,974,626$13,822,0000.28%
Eversept Partners, LP 105,106$735,7420.23%
KORNITZER CAPITAL MANAGEMENT INC /KS 541,690$3,792,0000.07%
FALCON POINT CAPITAL, LLC 15,894$124,0000.07%
GMT CAPITAL CORP 209,000$1,463,0000.05%
WASATCH ADVISORS LP 715,975$5,012,0000.05%
View complete list of OPTINOSE INC shareholders