GROUP ONE TRADING, L.P. - CHIASMA INC ownership

CHIASMA INC's ticker is CHMA and the CUSIP is 16706W102. A total of 79 filers reported holding CHIASMA INC in Q1 2020. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of CHIASMA INC
ValueSharesWeighting
Q2 2021$279,000
+51.6%
58,907
+0.5%
0.00%
Q1 2021$184,000
+1315.4%
58,626
+1877.9%
0.00%
Q4 2020$13,000
+116.7%
2,964
+111.7%
0.00%
Q3 2020$6,000
-94.2%
1,400
-92.7%
0.00%
Q2 2020$103,000
+1371.4%
19,167
+858.4%
0.00%
Q1 2020$7,0002,0000.00%
Other shareholders
CHIASMA INC shareholders Q1 2020
NameSharesValueWeighting ↓
MPM ASSET MANAGEMENT LLC 5,736,296$20,937,00012.74%
ARCH Venture Management, LLC 1,196,776$4,368,0007.38%
Stonepine Capital Management, LLC 744,134$2,716,0002.87%
Abingworth LLP 370,671$1,346,0000.89%
New Leaf Venture Partners, L.L.C. 735,700$2,685,0000.80%
EcoR1 Capital, LLC 1,512,627$5,521,0000.58%
Ikarian Capital, LLC 2,075,492$7,576,0000.57%
Sofinnova Investments, Inc. 1,630,221$5,950,0000.55%
Vivo Capital, LLC 1,272,156$4,643,0000.42%
Rock Springs Capital Management LP 1,350,000$4,928,0000.20%
View complete list of CHIASMA INC shareholders