Hudson Technologies Inc (HDSN)

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Sector: Wholesale-Machinery, Equipment & Supplies

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Hedge Fund Holdings

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Last updated on January 06, 2026, 1:59pm based on SEC 13F filings Last update: January 06, 2026, 1:59pm

No.	Hedge Fund	Shares	Value	Activity	% Port
1.	Westerly Capital Management Jim Tarantino And Chris Galvin	1,890,000	$18,767,700	-6%	5.88%
2.	Renaissance Technologies Jim Simons	1,796,850	$17,842,721	+8%	0.02%
3.	Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell	1,111,803	$11,040,204		0.01%
4.	D E Shaw D. E. Shaw	821,809	$8,160,564	+4%	0%
5.	Millennium Management Israel Englander	355,958	$3,534,663	-24%	0%

Insider Trading: Purchases See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Abbatecola Director	$6.79	3,500	$23,747.50	169,748	2025-11-17	Filing
Abbatecola Director	$5.98	2,500	$14,947.50	161,841	2024-11-07	Filing
Abbatecola Director	$8.27	1,000	$8,270.00	126,578	2023-03-14	Filing
Coleman Officer, Director	$2.90	5,000	$14,500.00	520,019	2021-08-17	Filing
Coleman Officer, Director	$2.89	15,000	$43,350.00	515,019	2021-08-17	Filing

Insider Trading: Sales See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Coleman Other	$7.40	484,616	$3,588,096.86	426,968	2025-12-05	Filing
Coleman Director	$7.40	484,616	$3,588,096.86	1,944,312	2025-12-05	Filing
Abbatecola Director	$9.20	10,000	$92,000.00	159,341	2024-06-14	Filing
Parrillo Director	$13.25	5,103	$67,614.75	179,768	2023-12-14	Filing
Parrillo Director	$13.26	51	$676.26	184,871	2023-12-14	Filing

Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	2,338,710	$16,020,164	0%
2.	Marathon Capital Management	175,325	$1,200,976	0.26%
3.	Wedge Capital Management L L P	153,364	$1,050,543	0.02%
4.	Ubs Group Ag	136,088	$932,203	0%
5.	Edgerock Capital Llc	90,517	$620,041	0.16%