Stock

PRVB

Ownership Count: 315

Ownership

Manager Name % of Portfolio Recent Activity Share Value
Sessa Capital IM, L.P. 8.98%
Reduced 40.33%
8,879,023 $213,984,000.0
VANGUARD GROUP INC 0.0%
Added 0.76%
3,999,197 $96,380,000.0
ADAGE CAPITAL PARTNERS GP, L.L.C. 0.2%
Added 44.53%
3,641,012 $87,748,000.0
Pentwater Capital Management LP 1.26%
Added 31250.00%
3,135,000 $75,553,000.0
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 1.95%
No Change
2,925,000 $70,492,000.0
BlackRock Inc. 0.01%
Reduced 5.49%
2,823,785 $68,053,000.0
STATE STREET CORP 0.0%
Added 20.38%
1,558,238 $16,470,000.0
Magnetar Financial LLC 0.75%
No Change
1,484,708 $35,781,000.0
GEODE CAPITAL MANAGEMENT, LLC 0.0%
Added 8.66%
1,436,689 $34,624,000.0
ALPINE ASSOCIATES MANAGEMENT INC. 1.76%
No Change
1,364,900 $32,894,000.0
MPM BIOIMPACT LLC 7.35%
Added 30.64%
1,173,809 $28,288,000.0
VR Adviser, LLC 0.78%
No Change
1,118,653 $5,034,000.0
MILLENNIUM MANAGEMENT LLC 0.03%
Added 156.49%
1,085,705 $26,165,000.0
WATER ISLAND CAPITAL LLC 1.89%
No Change
953,407 $22,977,000.0
Verition Fund Management LLC 0.24%
Reduced 3.28%
838,716 $8,865,000.0