LOOMIS SAYLES & CO L P - SEAGEN INC ownership

SEAGEN INC's ticker is SGEN and the CUSIP is 81181C104. A total of 459 filers reported holding SEAGEN INC in Q2 2021. The put-call ratio across all filers is 0.46 and the average weighting 0.2%.

Quarter-by-quarter ownership
LOOMIS SAYLES & CO L P ownership history of SEAGEN INC
ValueSharesWeighting
Q2 2023$3
-100.0%
16
-97.8%
0.00%
Q4 2021$112,000
+4.7%
725
+14.7%
0.00%
Q3 2021$107,000
+7.0%
6320.0%0.00%
Q2 2021$100,000
-15.3%
632
-25.6%
0.00%
Q1 2021$118,000
-26.2%
849
-7.0%
0.00%
Q4 2020$160,0009130.00%
Other shareholders
SEAGEN INC shareholders Q2 2021
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