Granahan Investment Management SPERO THERAPEUTICS INC ownership

SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 80 filers reported holding SPERO THERAPEUTICS INC in Q4 2021. The put-call ratio across all filers is 1.08 and the average weighting 0.3%.

Granahan Investment Management ownership history of SPERO THERAPEUTICS INC
ValueSharesWeighting
Q1 2022$986
-83.7%
113,322
-70.1%
0.02%
-80.8%
Q4 2021$6,067
-40.7%
378,932
-31.8%
0.12%
-35.6%
Q3 2021$10,229
+120.3%
555,614
+67.0%
0.19%
+123.0%
Q2 2021$4,644
-7.8%
332,639
-2.8%
0.09%
-18.7%
Q1 2021$5,036
-38.2%
342,113
-18.6%
0.11%
-41.5%
Q4 2020$8,150
+95.2%
420,320
+12.4%
0.18%
+28.9%
Q3 2020$4,175
+85.2%
374,078
+124.5%
0.14%
+75.3%
Q2 2020$2,254
+62.7%
166,606
-2.8%
0.08%
+8.0%
Q1 2020$1,385
-3.2%
171,434
+15.2%
0.08%
+13.6%
Q4 2019$1,431
-8.5%
148,867
+0.9%
0.07%
-23.3%
Q3 2019$1,564
-1.8%
147,543
+6.7%
0.09%
+8.9%
Q2 2019$1,592
-11.6%
138,295
-1.6%
0.08%
-18.6%
Q1 2019$1,800
+89.7%
140,526
-8.9%
0.10%
+44.8%
Q4 2018$949
-42.5%
154,306
-1.8%
0.07%
-25.6%
Q3 2018$1,651
-25.5%
157,058
+3.9%
0.09%
-32.8%
Q2 2018$2,217151,1480.13%