Hudson Technologies Inc /Ny (HDSN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

45,245,197Shares Outstanding
32,246,952Shares held by institutions
$169,135,263Value of institutional holdings
71.27%Institutional ownership %
10.50%Shares Changed QoQ
157No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Hudson Technologies Inc /Ny (NASDAQ:HDSN) appears in 163 institutional 13F filings for the quarter ending December 2025.

301 Institutional Holders

32,246,952 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
Hartree Partners, LP 31 Mar, 2026 3,800,000 0 0.00% $22,344,000.00
Hartree Partners, LP 31 Mar, 2026 3,800,000 0 0.00% $26,030,000.00
WESTERLY CAPITAL MANAGEMENT, LLC 31 Mar, 2026 3,175,000 625,000 24.51% $18,669,000.00
BlackRock, Inc. 31 Mar, 2026 2,913,869 50,596 1.77% $19,960,002.00
BlackRock, Inc. 31 Mar, 2026 2,862,539 -51,330 -1.76% $16,831,729.00
WESTERLY CAPITAL MANAGEMENT, LLC 31 Mar, 2026 2,550,000 660,000 34.92% $17,467,500.00
VANGUARD GROUP INC 31 Mar, 2026 2,338,710 -34,471 -1.45% $16,020,164.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 2,148,311 105,160 5.15% $12,631,109.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 2,043,151 33,670 1.68% $13,995,585.00
RENAISSANCE TECHNOLOGIES LLC 31 Mar, 2026 1,697,250 -99,600 -5.54% $11,626,163.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 1,660,146 1,660,146 0.00% $9,761,658.00
RENAISSANCE TECHNOLOGIES LLC 31 Mar, 2026 1,504,250 -193,000 -11.37% $8,844,990.00
AMERICAN CENTURY COMPANIES INC 31 Mar, 2026 1,487,774 101,091 7.29% $8,748,111.00
AMERICAN CENTURY COMPANIES INC 31 Mar, 2026 1,386,683 112,793 8.85% $9,498,779.00
NEW SOUTH CAPITAL MANAGEMENT INC 31 Mar, 2026 1,283,528 -50,809 -3.81% $8,792,167.00
NEW SOUTH CAPITAL MANAGEMENT INC 31 Mar, 2026 1,241,223 -42,305 -3.30% $7,298,391.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 31 Mar, 2026 982,819 -128,984 -11.60% $6,732,310.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 948,546 5,392 0.57% $5,578,712.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 943,154 -11,272 -1.18% $6,462,005.00
State Street Corp 31 Mar, 2026 897,873 3,809 0.43% $5,279,493.00