Granahan Investment Management HUDSON TECHNOLOGIES INC ownership

HUDSON TECHNOLOGIES INC's ticker is HDSN and the CUSIP is 444144109. A total of 61 filers reported holding HUDSON TECHNOLOGIES INC in Q1 2022. The put-call ratio across all filers is 0.05 and the average weighting 0.2%.

Granahan Investment Management ownership history of HUDSON TECHNOLOGIES INC
ValueSharesWeighting
Q1 2022$7,769
-4.3%
1,250,975
-31.6%
0.19%
+15.6%
Q4 2021$8,121
+16.5%
1,828,960
-7.4%
0.17%
+26.5%
Q3 2021$6,973
+400.9%
1,975,220
+382.4%
0.13%
+407.7%
Q2 2021$1,392
+23.8%
409,423
-41.4%
0.03%
+8.3%
Q1 2021$1,124
-2.7%
698,171
-34.1%
0.02%
-7.7%
Q4 2020$1,155
+86.9%
1,059,206
+97.0%
0.03%
+23.8%
Q3 2020$618
+564.5%
537,743
+481.9%
0.02%
+600.0%
Q2 2020$93
-45.3%
92,410
-47.0%
0.00%
-62.5%
Q4 2019$170
+1.8%
174,339
-25.9%
0.01%
-11.1%
Q3 2019$167
-72.9%
235,172
-67.2%
0.01%
-70.0%
Q2 2019$617
-76.1%
717,834
-46.3%
0.03%
-78.3%
Q1 2019$2,579
+39.7%
1,336,058
-35.6%
0.14%
+5.3%
Q4 2018$1,846
-32.3%
2,074,228
-2.6%
0.13%
-11.5%
Q3 2018$2,726
+31.0%
2,129,906
+105.8%
0.15%
+18.4%
Q2 2018$2,081
+15.3%
1,035,117
+183.3%
0.12%
-3.8%
Q1 2018$1,805
+279.2%
365,372
+366.1%
0.13%
+251.4%
Q4 2017$476
+17.2%
78,390
+50.8%
0.04%
+8.8%
Q3 2017$406
-75.8%
51,985
-79.6%
0.03%
-79.8%
Q1 2017$1,678
-83.3%
254,218
-79.7%
0.17%
-51.3%
Q4 2016$10,034
-7.1%
1,252,636
-22.9%
0.34%
-2.5%
Q3 2016$10,803
+103.3%
1,624,504
+10.0%
0.35%
+82.5%
Q2 2016$5,314
+29.1%
1,476,244
+17.6%
0.19%
+29.3%
Q1 2016$4,116
+10.8%
1,255,024
+0.3%
0.15%
+17.2%
Q4 2015$3,716
+50.0%
1,251,154
+50.0%
0.13%
+66.2%
Q3 2015$2,477
-13.8%
833,950
+1.2%
0.08%
-4.9%
Q2 2015$2,875
+12.3%
823,843
+34.1%
0.08%
+11.0%
Q1 2015$2,561614,1680.07%