WESTFIELD CAPITAL MANAGEMENT CO LP - SEAGEN INC ownership

SEAGEN INC's ticker is SGEN and the CUSIP is 81181C104. A total of 488 filers reported holding SEAGEN INC in Q4 2020. The put-call ratio across all filers is 0.65 and the average weighting 0.2%.

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of SEAGEN INC
ValueSharesWeighting
Q4 2021$77,264,000
-3.9%
499,769
+5.6%
0.46%
-5.4%
Q3 2021$80,382,000
-1.1%
473,390
-8.0%
0.48%
-0.4%
Q2 2021$81,243,000
+12.8%
514,590
-0.8%
0.49%
+8.9%
Q1 2021$71,997,000
-23.9%
518,488
-4.0%
0.45%
-20.3%
Q4 2020$94,552,000539,8650.56%
Other shareholders
SEAGEN INC shareholders Q4 2020
NameSharesValueWeighting ↓
Baker Brothers Advisors 46,912,266$8,300,656,00047.09%
Eagle Health Investments LP 262,502$46,447,00010.83%
EcoR1 Capital, LLC 1,008,628$178,467,0006.16%
Lagoda Investment Management, L.P. 49,460$8,751,0005.80%
Redmile Group, LLC 854,013$151,109,0005.77%
Nan Fung Group Holdings Ltd 47,096$8,333,0005.72%
Atika Capital Management LLC 282,500$49,985,0005.62%
Avoro Capital Advisors LLC 1,525,000$269,834,0005.33%
Parkman Healthcare Partners LLC 76,626$13,558,0004.99%
Artal Group S.A. 525,000$92,894,0004.96%
View complete list of SEAGEN INC shareholders