Granahan Investment Management - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 143 filers reported holding IMMUNOGEN INC in Q1 2014. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q3 2023$10,813,453
+34.3%
681,377
+59.7%
0.38%
+55.2%
Q2 2023$8,052,810
+142.5%
426,752
-50.7%
0.25%
+145.5%
Q1 2023$3,320,701
-69.4%
864,766
-60.4%
0.10%
-69.6%
Q4 2022$10,842,352
+20.8%
2,185,958
+16.5%
0.33%
+13.3%
Q3 2022$8,972,000
+6.0%
1,876,960
-0.3%
0.29%
+1.4%
Q2 2022$8,468,000
-9.1%
1,881,796
-3.9%
0.29%
+25.1%
Q1 2022$9,319,000
-0.9%
1,957,719
+54.6%
0.23%
+19.7%
Q4 2021$9,399,000
+144.6%
1,266,690
+86.9%
0.19%
+164.4%
Q3 2021$3,842,000
-0.2%
677,618
+69.0%
0.07%
-38.7%
Q3 2015$3,850,000
-36.1%
401,000
-4.3%
0.12%
-30.4%
Q2 2015$6,025,000
+60.7%
419,0000.0%0.17%
+59.8%
Q1 2015$3,750,000
+48.6%
419,000
+1.3%
0.11%
+44.6%
Q4 2014$2,524,000
-54.2%
413,800
-20.5%
0.07%
-56.5%
Q3 2014$5,510,000
-10.8%
520,332
-0.1%
0.17%
-5.6%
Q2 2014$6,174,000
-23.5%
521,052
-3.6%
0.18%
-17.1%
Q1 2014$8,072,000
-51.5%
540,641
-52.4%
0.22%
-49.3%
Q4 2013$16,656,000
-11.0%
1,135,401
+3.3%
0.43%
-13.9%
Q3 2013$18,709,000
-2.4%
1,099,230
-4.9%
0.50%
-10.0%
Q2 2013$19,178,0001,156,0000.55%
Other shareholders
IMMUNOGEN INC shareholders Q1 2014
NameSharesValueWeighting ↓
Redmile Group, LLC 17,503,417$277,779,22813.22%
Fairmount Funds Management LLC 5,929,592$94,102,62511.32%
CM Management, LLC 500,000$7,935,0008.42%
SILVERARC CAPITAL MANAGEMENT, LLC 1,307,435$20,748,9936.29%
Altium Capital Management LP 725,000$11,505,7506.00%
RA Capital Management 13,322,288$211,424,7114.16%
TANG CAPITAL MANAGEMENT LLC 1,500,000$23,805,0003.36%
BRIDGER MANAGEMENT, LLC 467,220$7,414,7812.73%
Birchview Capital, LP 190,000$3,015,3002.57%
Boxer Capital, LLC 2,961,000$46,991,0702.50%
View complete list of IMMUNOGEN INC shareholders