Stock

PBYI

Ownership Count: 330

Ownership

Manager Name % of Portfolio Recent Activity Share Value
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 0.87%
No Change
3,769,795 $34,607,000.0
VANGUARD GROUP INC 0.0%
Added 0.20%
3,593,317 $10,959,000.0
Frazier Life Sciences Management, L.P. 0.37%
No Change
3,062,558 $7,809,000.0
EcoR1 Capital, LLC 2.35%
No Change
2,536,156 $21,405,000.0
ACORN CAPITAL ADVISORS, LLC 8.38%
No Change
2,450,711 $12,017,000.0
FRED ALGER MANAGEMENT, LLC 0.04%
Reduced 20.98%
2,359,456 $16,540,000.0
ACADIAN ASSET MANAGEMENT LLC 0.02%
Added 0.16%
1,972,128 $6,011,000.0
MILLENNIUM MANAGEMENT LLC 0.01%
Reduced 34.25%
1,894,126 $5,777,000.0
RENAISSANCE TECHNOLOGIES LLC 0.01%
Reduced 0.95%
1,755,513 $5,354,000.0
Camber Capital Management LP 0.31%
Reduced 41.18%
1,650,000 $8,745,000.0
BlackRock, Inc. 0.0%
No Change
1,595,926 $4,867,000.0
GREAT POINT PARTNERS LLC 1.17%
Added 10.64%
1,486,544 $4,846,000.0
BlackRock Inc. 0.0%
Added 45.82%
1,429,369 $4,659,000.0
Palo Alto Investors LP 0.59%
No Change
1,392,997 $9,765,000.0
Athyrium Capital Management, LP 36.88%
No Change
1,256,411 $3,203,848,000.0