KEMPHARM INC's ticker is and the CUSIP is 488445906. A total of 6 filers reported holding KEMPHARM INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
SABBY MANAGEMENT, LLC | 4,193 | $3,858,000 | 0.75% |
Marathon Trading Investment Management LLC | 25,000 | $230,000 | 0.02% |
GROUP ONE TRADING, L.P. | 249,300 | $2,294,000 | 0.00% |
SIMPLEX TRADING, LLC | 807 | $742,000 | 0.00% |
JPMORGAN CHASE & CO | 75,000 | $690,000 | 0.00% |
CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |