WESTFIELD CAPITAL MANAGEMENT CO LP - ACCELERON PHARMA INC ownership

ACCELERON PHARMA INC's ticker is XLRN and the CUSIP is 00434H108. A total of 258 filers reported holding ACCELERON PHARMA INC in Q4 2020. The put-call ratio across all filers is 0.78 and the average weighting 0.4%.

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of ACCELERON PHARMA INC
ValueSharesWeighting
Q3 2021$154,012,000
+43.4%
894,898
+4.6%
0.93%
+44.5%
Q2 2021$107,375,000
-5.7%
855,644
+2.0%
0.64%
-9.1%
Q1 2021$113,814,000
+2.8%
839,273
-3.0%
0.71%
+7.6%
Q4 2020$110,733,000
+16.2%
865,507
+2.2%
0.66%
+6.5%
Q3 2020$95,330,000
+50.5%
847,149
+27.4%
0.62%
+41.5%
Q2 2020$63,354,000
+9.2%
664,994
+3.0%
0.44%
-14.7%
Q1 2020$57,999,000
-4.9%
645,364
-43.9%
0.51%
+17.5%
Q4 2019$61,016,000
+24.8%
1,150,819
-7.0%
0.44%
+11.3%
Q3 2019$48,875,000
-2.5%
1,237,031
+1.4%
0.39%
+3.7%
Q2 2019$50,124,000
-21.8%
1,220,161
-11.4%
0.38%
-22.7%
Q1 2019$64,133,000
+13.9%
1,377,123
+6.5%
0.49%
+1.7%
Q4 2018$56,298,000
-16.9%
1,292,713
+9.2%
0.48%
+0.8%
Q3 2018$67,778,000
+75.7%
1,184,308
+49.0%
0.48%
+65.3%
Q2 2018$38,575,000
-28.2%
795,043
-42.1%
0.29%
-30.4%
Q1 2018$53,731,000
-16.2%
1,374,198
-9.0%
0.41%
-15.5%
Q4 2017$64,121,000
+11.4%
1,510,868
-2.0%
0.49%
+10.9%
Q3 2017$57,534,000
+12.5%
1,541,638
-8.4%
0.44%
+1.4%
Q2 2017$51,127,000
+68.3%
1,682,359
+46.6%
0.44%
+67.0%
Q1 2017$30,385,000
-4.9%
1,147,919
-8.3%
0.26%
-6.8%
Q4 2016$31,961,000
+84.0%
1,252,409
+161.0%
0.28%
+100.0%
Q3 2016$17,367,000
+3.4%
479,885
-2.9%
0.14%
+0.7%
Q2 2016$16,793,000494,2000.14%
Other shareholders
ACCELERON PHARMA INC shareholders Q4 2020
NameSharesValueWeighting ↓
Polaris Venture Management Co IV LLC 1,480,060$53,563,00085.86%
NEXTHERA CAPITAL LP 217,817$7,883,0004.84%
Novo Holdings A/S 903,833$32,710,0002.90%
SECTORAL ASSET MANAGEMENT INC 481,765$17,435,0001.71%
Perceptive Advisors 589,890$21,348,0001.38%
RA Capital Management 318,565$11,529,0001.19%
OAK RIDGE INVESTMENTS LLC 1,226,468$44,386,0001.15%
Granahan Investment Management 817,149$29,573,0000.97%
Eventide Asset Management 428,900$15,522,0000.95%
QVT Financial LP 636,764$23,044,0000.87%
View complete list of ACCELERON PHARMA INC shareholders