WESTFIELD CAPITAL MANAGEMENT CO LP - APELLIS PHARMACEUTICALS INC ownership

APELLIS PHARMACEUTICALS INC's ticker is APLS and the CUSIP is 03753U106. A total of 249 filers reported holding APELLIS PHARMACEUTICALS INC in Q4 2022. The put-call ratio across all filers is 0.77 and the average weighting 0.5%.

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of APELLIS PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2023$20,879,015
-61.6%
548,870
-7.9%
0.14%
-58.8%
Q2 2023$54,316,735
+3.9%
596,232
-24.7%
0.34%
-6.5%
Q1 2023$52,256,546
+46.6%
792,246
+14.9%
0.37%
+34.2%
Q4 2022$35,652,856
+194.4%
689,477
+74.3%
0.28%
+219.8%
Q4 2019$12,110,000
+71.0%
395,490
+34.6%
0.09%
+50.9%
Q3 2019$7,080,000
-26.9%
293,901
-23.1%
0.06%
-21.9%
Q2 2019$9,685,000
-32.1%
382,212
-47.7%
0.07%
-33.0%
Q1 2019$14,263,000
+40.8%
731,451
-4.7%
0.11%
+26.7%
Q4 2018$10,128,000
-7.0%
767,876
+25.4%
0.09%
+13.2%
Q3 2018$10,887,000
-18.5%
612,296
+0.9%
0.08%
-24.0%
Q2 2018$13,353,000606,9560.10%
Other shareholders
APELLIS PHARMACEUTICALS INC shareholders Q4 2022
NameSharesValueWeighting ↓
Octagon Capital Advisors LP 3,130,000$119,065,20018.29%
EcoR1 Capital, LLC 10,899,859$414,630,63613.99%
Ally Bridge Group (NY) LLC 181,805$6,915,8628.12%
Avoro Capital Advisors LLC 11,111,111$422,666,6626.59%
ACUTA CAPITAL PARTNERS, LLC 244,484$9,300,1716.23%
Iron Triangle Partners LP 880,000$33,475,2004.89%
Cormorant Asset Management, LP 2,000,000$76,080,0004.44%
Octagon Capital Advisors LP 675,000$25,677,0003.94%
Logos Global Management LP 750,000$28,530,0003.81%
Boxer Capital, LLC 1,726,000$65,657,0403.50%
View complete list of APELLIS PHARMACEUTICALS INC shareholders