MASON STREET ADVISORS, LLC - PUMA BIOTECHNOLOGY INC ownership

PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 140 filers reported holding PUMA BIOTECHNOLOGY INC in Q2 2014. The put-call ratio across all filers is 0.43 and the average weighting 0.1%.

Quarter-by-quarter ownership
MASON STREET ADVISORS, LLC ownership history of PUMA BIOTECHNOLOGY INC
ValueSharesWeighting
Q4 2014$3,410,000
-20.7%
18,0150.0%0.02%
-29.4%
Q3 2014$4,298,000
+160.3%
18,015
-28.0%
0.03%
+161.5%
Q2 2014$1,651,000
-36.6%
25,0150.0%0.01%
-38.1%
Q1 2014$2,605,000
-3.8%
25,015
-4.4%
0.02%
-4.5%
Q4 2013$2,709,000
+41.0%
26,165
-26.9%
0.02%0.0%
Q3 2013$1,921,00035,8000.02%
Other shareholders
PUMA BIOTECHNOLOGY INC shareholders Q2 2014
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