GROUP ONE TRADING, L.P. - ATHIRA PHARMA INC ownership

ATHIRA PHARMA INC's ticker is and the CUSIP is 04746L904. A total of 3 filers reported holding ATHIRA PHARMA INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ATHIRA PHARMA INC
ValueSharesWeighting
Q3 2023$36,158
-31.5%
17,9000.0%0.00%
Q2 2023$52,805
-37.1%
17,900
-46.7%
0.00%
Q1 2023$84,000
-84.6%
33,600
-80.5%
0.00%
-100.0%
Q4 2022$546,191
+9.9%
172,300
+2.9%
0.00%0.0%
Q3 2022$497,000
-50.1%
167,500
-48.7%
0.00%
-50.0%
Q2 2022$996,000
-55.3%
326,500
+97.8%
0.00%0.0%
Q1 2022$2,229,000
+240.3%
165,100
+228.2%
0.00%
+100.0%
Q4 2021$655,000
+670.6%
50,300
+452.7%
0.00%
Q3 2021$85,000
-37.0%
9,100
-31.1%
0.00%
Q2 2021$135,00013,2000.00%
Other shareholders
ATHIRA PHARMA INC shareholders Q3 2023
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 17,900$36,1580.00%
SIMPLEX TRADING, LLC 16,900$340.00%
View complete list of ATHIRA PHARMA INC shareholders