Rock Springs Capital Management LP - INSMED INC ownership

INSMED INC's ticker is INSM and the CUSIP is 457669307. A total of 134 filers reported holding INSMED INC in Q4 2017. The put-call ratio across all filers is 0.84 and the average weighting 0.4%.

Quarter-by-quarter ownership
Rock Springs Capital Management LP ownership history of INSMED INC
ValueSharesWeighting
Q4 2019$19,104,000
+21.7%
800,000
-10.1%
0.60%
-3.5%
Q3 2019$15,700,000
-31.1%
890,0000.0%0.63%
-24.0%
Q2 2019$22,784,000
-7.8%
890,000
+4.7%
0.82%
-13.5%
Q1 2019$24,710,000
+121.6%
850,0000.0%0.95%
+81.2%
Q4 2018$11,152,000
-38.0%
850,000
-4.5%
0.53%
-19.3%
Q3 2018$17,996,000
-7.8%
890,000
+7.9%
0.65%
-13.2%
Q2 2018$19,511,000
+5.0%
825,0000.0%0.75%
-5.3%
Q1 2018$18,579,000
-2.9%
825,000
+34.5%
0.79%
-8.6%
Q4 2017$19,129,000
-5.7%
613,500
-5.6%
0.87%
-7.3%
Q3 2017$20,287,000
+152.6%
650,000
+38.9%
0.94%
+130.5%
Q2 2017$8,031,000
-2.0%
468,0000.0%0.41%
-14.2%
Q1 2017$8,195,000
+32.3%
468,0000.0%0.47%
+14.3%
Q4 2016$6,192,000
-15.2%
468,000
-7.0%
0.41%
-9.6%
Q3 2016$7,304,000
+48.9%
503,000
+1.1%
0.46%
+26.2%
Q2 2016$4,905,000
-14.0%
497,500
+10.6%
0.36%
-24.1%
Q1 2016$5,702,000
-27.4%
450,000
+4.0%
0.48%
-19.7%
Q4 2015$7,850,000
+15.8%
432,500
+18.5%
0.60%
+8.2%
Q3 2015$6,778,000
-24.0%
365,0000.0%0.55%
-15.5%
Q2 2015$8,913,000
+17.4%
365,0000.0%0.65%
-8.3%
Q1 2015$7,592,000365,0000.71%
Other shareholders
INSMED INC shareholders Q4 2017
NameSharesValueWeighting ↓
Fairmount Funds Management LLC 1,056,797$33,965,00014.39%
Palo Alto Investors LP 6,032,956$193,899,00010.64%
Sycale Advisors (NY) LLC 360,829$11,597,0009.99%
Burrage Capital Management LLC 165,400$5,316,0004.20%
First Light Asset Management, LLC 1,025,341$32,954,0003.38%
Rubric Capital Management LP 1,100,000$35,354,0003.30%
Sofinnova Investments, Inc. 615,143$19,771,0001.47%
Endurant Capital Management LP 144,313$4,638,0001.37%
Parkwood LLC 70,235$5,514,0000.85%
Novo Holdings A/S 430,107$13,824,0000.69%
View complete list of INSMED INC shareholders