WESTFIELD CAPITAL MANAGEMENT CO LP - INSMED INC ownership

INSMED INC's ticker is INSM and the CUSIP is 457669307. A total of 211 filers reported holding INSMED INC in Q4 2020. The put-call ratio across all filers is 0.56 and the average weighting 0.2%.

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of INSMED INC
ValueSharesWeighting
Q2 2021$27,523,000
-21.0%
967,079
-5.5%
0.16%
-24.0%
Q1 2021$34,851,000
-18.1%
1,023,212
-20.0%
0.22%
-14.2%
Q4 2020$42,567,000
-0.6%
1,278,676
-4.0%
0.25%
-8.7%
Q3 2020$42,826,000
+50.0%
1,332,488
+28.5%
0.28%
+41.3%
Q2 2020$28,551,0001,036,7110.20%
Other shareholders
INSMED INC shareholders Q4 2020
NameSharesValueWeighting ↓
Asymmetry Capital Management, L.P. 250,584$4,420,0009.48%
Palo Alto Investors LP 7,239,649$127,707,0008.51%
Foresite Capital Management IV, LLC 1,429,518$25,217,0008.15%
First Light Asset Management, LLC 1,294,743$22,839,0003.45%
Foresite Capital Management II, LLC 915,016$16,141,0003.41%
INTERNATIONAL BIOTECHNOLOGY TRUST PLC 356,600$6,287,0002.90%
ACUTA CAPITAL PARTNERS, LLC 220,000$3,881,0002.80%
EMERALD ADVISERS, LLC 984,987$17,375,0000.81%
EMERALD MUTUAL FUND ADVISERS TRUST 911,936$16,087,0000.71%
Rock Springs Capital Management LP 890,000$15,700,0000.63%
View complete list of INSMED INC shareholders