Portolan Capital Management - HUDSON TECHNOLOGIES INC ownership

HUDSON TECHNOLOGIES INC's ticker is HDSN and the CUSIP is 444144109. A total of 56 filers reported holding HUDSON TECHNOLOGIES INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of HUDSON TECHNOLOGIES INC
ValueSharesWeighting
Q3 2023$13,751,735
+430.0%
1,033,965
+283.4%
1.28%
+458.7%
Q2 2023$2,594,572
+3454.2%
269,706
+1532.3%
0.23%
+4500.0%
Q4 2021$73,000
+12.3%
16,523
-9.7%
0.01%0.0%
Q3 2021$65,000
-95.7%
18,305
-95.9%
0.01%
-95.4%
Q2 2021$1,518,000
+560.0%
446,452
+148.2%
0.11%
+373.9%
Q3 2018$230,000
-36.8%
179,906
-0.7%
0.02%
-37.8%
Q2 2018$364,000
-87.5%
181,258
-69.1%
0.04%
-88.4%
Q1 2018$2,902,000
-45.8%
587,409
-33.4%
0.32%
-45.8%
Q4 2017$5,357,000882,4820.59%
Other shareholders
HUDSON TECHNOLOGIES INC shareholders Q2 2021
NameSharesValueWeighting ↓
WEST FACE CAPITAL INC. 2,620,580$22,144,00020.92%
Tappan Street Partners LLC 550,000$4,648,00013.59%
COOPER CREEK PARTNERS MANAGEMENT LLC 1,506,291$12,728,0007.68%
VNBTrust, National Association 1,155,250$9,762,0003.93%
MARATHON CAPITAL MANAGEMENT 929,925$7,858,0003.70%
Venator Capital Management Ltd. 375,411$3,172,0003.35%
Mesirow Financial Investment Management, Inc. 67,545$571,0002.70%
PERRITT CAPITAL MANAGEMENT INC 1,054,050$8,907,0002.33%
BARD ASSOCIATES INC 597,025$5,045,0002.29%
ACK Asset Management 863,000$7,292,0001.64%
View complete list of HUDSON TECHNOLOGIES INC shareholders