Hudson Technologies Inc /Ny (HDSN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

629,519Shares held by institutions

$3,607,144Value of institutional holdings

74.58%Institutional ownership %

11.47%Shares Changed QoQ

147No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Hudson Technologies Inc /Ny (NASDAQ:HDSN) has 163 institutional investors that have filed 13F reports for the period ending December 2025.

These investors held 72.8% of outstanding shares in December 2025, down from 74.9% in September 2025.
They increased total shares held in Hudson Technologies by 0.98% from the prior quarter, while the number of investors in HDSN decreased 2.4% year over year.
Among the 163 funds, 70 bought more Hudson Technologies shares, 65 sold down, and 28 held their ground.
The aggregate institutional position in Hudson Technologies amounted to 32.93Mn shares as of December 2025, up by 320.48K shares quarter on quarter, and up 1.5Mn shares year over year.
Hartree Partners, LP is the top holder of Hudson Technologies as of December 31, 2025, with 3.8Mn shares representing 8.4% of outstanding stock.
Leading buyers of Hudson Technologies shares for the quarter ending December 2025 were CASPIAN CAPITAL LP (728.31K), WESTERLY CAPITAL MANAGEMENT, LLC (660.0K), MARSHALL WACE, LLP (339.54K), NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (269.26K), SEGALL BRYANT & HAMILL, LLC (180.35K).
The largest sellers of Hudson Technologies for the quarter ending December 2025 were Royal Bank Of Canada (801.37K), Bank Of America Corp /De/ (474.94K), TUDOR INVESTMENT CORP ET AL (385.26K), D. E. Shaw & Co., Inc. (239.03K), MILLENNIUM MANAGEMENT LLC (166.9K).
Per Business Quant, the top 10 investors in HDSN for the quarter ending December 2025 include Hartree Partners, LP (3.8Mn), BlackRock, Inc. (2.91Mn), WESTERLY CAPITAL MANAGEMENT, LLC (2.55Mn), VANGUARD GROUP INC (2.34Mn), DIMENSIONAL FUND ADVISORS LP (2.04Mn), RENAISSANCE TECHNOLOGIES LLC (1.7Mn), AMERICAN CENTURY COMPANIES INC (1.39Mn), NEW SOUTH CAPITAL MANAGEMENT INC (1.28Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (982.82K), GEODE CAPITAL MANAGEMENT, LLC (943.15K).

163 Institutional Holders

629,519 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	50,596	1.77%	$0.00
Hartree Partners, LP	31 Dec, 2025	0	0.00%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	75,007	84.57%	$0.00
Barclays Plc	31 Dec, 2025	-60,748	-47.19%	$0.00
WESTERLY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	660,000	34.92%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	-10,972	-7.33%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	316	0.00%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-34,471	-1.45%	$0.00
UBS Group AG	31 Dec, 2025	2,268	1.69%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	33,670	1.68%	$0.00
Quantinno Capital Management LP	31 Dec, 2025	66,612	120.38%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	-99,600	-5.54%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	108,963	2,534.02%	$0.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	112,793	8.85%	$0.00
EdgeRock Capital LLC	31 Dec, 2025	5,220	6.12%	$0.00
NEW SOUTH CAPITAL MANAGEMENT INC	31 Dec, 2025	-50,809	-3.81%	$0.00
Nuveen, LLC	31 Dec, 2025	0	0.00%	$0.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	-128,984	-11.60%	$0.00
Inspire Investing, LLC	31 Dec, 2025	22,160	47.73%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-11,272	-1.18%	$0.00

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