Hudson Technologies Inc

HDSN

Exchange: Nasdaq
Industry: Wholesale-Machinery, Equipment & Supplies
SEC CIK: 0000925528

SEC filings (opens in a new tab)

In the last 90 days, Hudson Technologies Inc insiders filed 8 open-market purchases and 0 sales; 151 institutions reported holding it in 13F filings for Q2 2026, worth $181.4M in total; no superinvestor holds it.

Q4 2023 vs. Q3 2023

How the institutions holding Hudson Technologies Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of HDSN: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Q4 2023	Change
Holders	143	145	+2
Shares	29.6M	31.0M	+1.33M (+4.5%)
Value	$394.0M	$417.5M	+$23.6M (+6.0%)

New holders (23)

Institutions that held Hudson Technologies Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to HDSN in Q4 2023
Institution	Shares	Value	% of portfolio
Castleark Management LLC	183,779	$2.48M	0.11%
Cambridge Investment Research Advisors, Inc.	102,800	$1.39M	0.01%
Swiss National Bank	80,600	$1.09M	0.00%
Aviva PLC	48,245	$650.8K	0.00%
Martingale Asset Management L P	42,584	$574.5K	0.01%
Credit Suisse AG	40,457	$545.8K	0.00%
Koss-Olinger Consulting, LLC	28,297	$382.0K	0.04%
Riverwater Partners LLC	27,367	$369.2K	0.29%
Alliancebernstein L.P.	18,190	$245.4K	0.00%
Peterson Wealth Services	15,364	$207.3K	0.09%
Quantbot Technologies LP	13,070	$176.3K	0.01%
Zurcher Kantonalbank (Zurich Cantonalbank)	12,054	$162.6K	0.00%
Arizona State Retirement System	11,421	$154.1K	0.00%
Paradice Investment Management LLC	11,400	$153.8K	0.02%
Advisory Services Network, LLC	7,806	$105.3K	0.00%
STRS Ohio	1,500	$20.0K	0.00%
Simplex Trading, LLC	1,152	$15.0K	0.00%
Quarry LP	596	$8.04K	0.00%
Northwestern Mutual Wealth Management Co	500	$6.75K	0.00%
Creative Financial Designs Inc	100	$1.35K	0.00%
Russell Investments Group, Ltd.	24	$324	0.00%
Farther Finance Advisors, LLC	6	$81	0.00%
GAMMA Investing LLC	3	$38	0.00%

Sold out (21)

Institutions that held Hudson Technologies Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of HDSN in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Park West Asset Management LLC	365,126	$4.86M
Brightline Capital Management, LLC	140,000	$1.86M
Millennium Management LLC	104,848	$1.39M
MML Investors Services, LLC	75,615	$1.01M
Praetorian PR LLC	67,417	$896.6K
Occudo Quantitative Strategies LP	53,633	$713.3K
MYDA Advisors LLC	37,000	$492.1K
Bridgeway Capital Management, LLC	33,625	$447.2K
Empowered Funds, LLC	33,625	$447.2K
Algert Global LLC	28,520	$379.3K
SG Americas Securities, LLC	22,667	$301.0K
Y-Intercept (Hong Kong) Ltd	22,127	$294.3K
Jump Financial, LLC	19,678	$261.7K
Winton Group Ltd	15,641	$208.0K
HRT Financial LP	14,835	$197.0K
Bayesian Capital Management, LP	13,667	$181.8K
Aigen Investment Management, LP	12,950	$172.2K
Wolverine Trading, LLC	11,530	$153.3K
New York State Teachers Retirement System	3,800	$51.0K
Byrne Asset Management LLC	250	$3.00K
Carmel Capital Partners, LLC	117	$1.56K