GATEWAY INVESTMENT ADVISERS LLC - SEAGEN INC ownership

SEAGEN INC's ticker is SGEN and the CUSIP is 81181C104. A total of 515 filers reported holding SEAGEN INC in Q4 2021. The put-call ratio across all filers is 0.83 and the average weighting 0.2%.

Quarter-by-quarter ownership
GATEWAY INVESTMENT ADVISERS LLC ownership history of SEAGEN INC
ValueSharesWeighting
Q3 2023$4,157,079
+13.9%
19,595
+3.3%
0.05%
+20.9%
Q2 2023$3,649,811
-5.0%
18,964
-0.0%
0.04%
-8.5%
Q1 2023$3,840,046
+17.0%
18,966
-25.7%
0.05%
+14.6%
Q4 2022$3,282,274
-25.6%
25,541
-20.8%
0.04%
-25.5%
Q3 2022$4,410,000
-28.2%
32,230
-7.1%
0.06%
-20.3%
Q2 2022$6,138,000
+34.5%
34,688
+9.5%
0.07%
+53.3%
Q1 2022$4,563,000
+21.6%
31,674
+30.4%
0.04%
+25.0%
Q4 2021$3,754,000
-8.6%
24,284
+0.4%
0.04%
-16.3%
Q3 2021$4,108,000
+8.8%
24,195
+1.2%
0.04%
+10.3%
Q2 2021$3,775,000
+13.7%
23,9100.0%0.04%
+8.3%
Q1 2021$3,320,000
-20.6%
23,910
+0.2%
0.04%
-21.7%
Q4 2020$4,181,00023,8720.05%
Other shareholders
SEAGEN INC shareholders Q4 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