BLAIR WILLIAM & CO/IL - PUMA BIOTECHNOLOGY INC ownership

PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 141 filers reported holding PUMA BIOTECHNOLOGY INC in Q2 2019. The put-call ratio across all filers is 0.78 and the average weighting 0.1%.

Quarter-by-quarter ownership
BLAIR WILLIAM & CO/IL ownership history of PUMA BIOTECHNOLOGY INC
ValueSharesWeighting
Q2 2019$251,0000.0%3,4400.0%0.00%
-50.0%
Q1 2019$251,000
+14.6%
3,440
+14.7%
0.00%0.0%
Q4 2018$219,000
+7.4%
3,0000.0%0.00%
+100.0%
Q1 2018$204,000
-31.3%
3,0000.0%0.00%
-50.0%
Q4 2017$297,000
-17.3%
3,0000.0%0.00%
-33.3%
Q3 2017$359,000
+37.0%
3,0000.0%0.00%
+50.0%
Q2 2017$262,0003,0000.00%
Other shareholders
PUMA BIOTECHNOLOGY INC shareholders Q2 2019
NameSharesValueWeighting ↓
Sarissa Capital Management LP 1,417,000$18,010,0002.24%
Palo Alto Investors LP 1,405,680$17,866,0000.87%
PFM Health Sciences, LP 2,838,376$36,076,0000.68%
TANG CAPITAL MANAGEMENT LLC 349,400$4,441,0000.60%
Capital Impact Advisors, LLC 127,029$1,615,0000.59%
Leap Investments LP 29,100$370,0000.50%
Spark Investment Management LLC 454,300$5,774,0000.40%
Partner Investment Management, L.P. 27,567$350,0000.37%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 262,945$3,342,0000.26%
Rock Springs Capital Management LP 534,400$6,792,0000.25%
View complete list of PUMA BIOTECHNOLOGY INC shareholders