Hudson Technologies Inc /Ny (HDSN) Institutional Ownership

Institutions by Trading Activity

45,829,630Shares Outstanding

0Shares held by institutions

$0Value of institutional holdings

0.08%Institutional ownership %

28.47%Shares Changed QoQ

4No. of institutional investors

According to SEC filings for the period ending December 2025, Hudson Technologies Inc /Ny (NASDAQ:HDSN) is held by 4 institutional firms.

The collective stake of institutional investors in Hudson Technologies moved to 0.1% in December 2025, a shift down from the 72.6% reported for September 2025.
Institutional share ownership changed by 28.47% QoQ, while the number of institutional owners saw a decrease of 97.60% YoY.
During the quarter, 3 institutions bought more Hudson Technologies shares, 1 sold shares, and 0 of the 4 total investors held their position steady.
The total number of shares held by institutions in Hudson Technologies increased to 35.11K as of December 2025, a net change of up by 7.78K shares quarter on quarter, and down 30.34Mn shares year over year.
With 19.13K shares, SG Americas Securities, LLC commands the largest institutional position in Hudson Technologies as of December 31, 2025, equating to 0.04% of the company.
Among the most significant buyers of Hudson Technologies during December 2025 were SG Americas Securities, LLC (7.56K), GAMMA Investing LLC (197), Versant Capital Management, Inc (82).
Leading sellers of Hudson Technologies stock in December 2025 included True Wealth Design, LLC (56).
The top 4 institutional holders of Hudson Technologies for the quarter ending December 2025 included SG Americas Securities, LLC (19.13K), Versant Capital Management, Inc (8.30K), GAMMA Investing LLC (6.68K), True Wealth Design, LLC (991).

0 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Hartree Partners, LP	30 Sep, 2025	3,800,000	-200,000	-5.00%	$37,734,000.00
BlackRock, Inc.	30 Sep, 2025	2,863,273	-42,560	-1.46%	$28,432,300.00
VANGUARD GROUP INC	30 Sep, 2025	2,373,181	-107,128	-4.32%	$23,565,687.00
DIMENSIONAL FUND ADVISORS LP	30 Sep, 2025	2,009,481	2,515	0.13%	$19,952,826.00
WESTERLY CAPITAL MANAGEMENT, LLC	30 Sep, 2025	1,890,000	-110,000	-5.50%	$18,767,700.00
RENAISSANCE TECHNOLOGIES LLC	30 Sep, 2025	1,796,850	125,000	7.48%	$17,842,721.00
NEW SOUTH CAPITAL MANAGEMENT INC	30 Sep, 2025	1,334,337	-16,606	-1.23%	$13,249,966.00
AMERICAN CENTURY COMPANIES INC	30 Sep, 2025	1,273,890	201,136	18.75%	$12,649,728.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	30 Sep, 2025	1,111,803	0	0.00%	$11,040,204.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	954,426	10,002	1.06%	$9,479,584.00
STATE STREET CORP	30 Sep, 2025	893,855	-50,281	-5.33%	$8,875,980.00
D. E. Shaw & Co., Inc.	30 Sep, 2025	821,809	30,146	3.81%	$8,160,564.00
ROYAL BANK OF CANADA	30 Sep, 2025	802,872	-35,099	-4.19%	$7,973,000.00
MORGAN STANLEY	30 Sep, 2025	792,727	37,179	4.92%	$7,871,779.00
NORTHERN TRUST CORP	30 Sep, 2025	416,507	-13,271	-3.09%	$4,135,915.00
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	30 Sep, 2025	410,099	0	0.00%	$4,072,283.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	30 Sep, 2025	360,648	63,536	21.38%	$3,581,235.00
MILLENNIUM MANAGEMENT LLC	30 Sep, 2025	355,958	-110,767	-23.73%	$3,534,663.00
683 Capital Management, LLC	30 Sep, 2025	350,000	-25,000	-6.67%	$3,475,500.00
AQR CAPITAL MANAGEMENT LLC	30 Sep, 2025	345,284	14,333	4.33%	$3,428,671.00

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