Who Owns Hudson Technologies, Inc. (HDSN)?Hedge Fund & Institutional Holders

$5.74-0.07 (-1.14%)Basic MaterialsNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

1.0055706107401548e+270%

QoQ Change in Holders

+14 / -1

Price History

$5.25$6.55$7.84$9.14$10.44Aug 24Jun 25Mar 26

HDSN — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
LOS ANGELES CAPITAL MANAGEMENT LLCNew Position+221K+$2.0B
SEGALL BRYANT & HAMILL, LLCNew Position+180K+$1.2B
EdgeRock Capital LLCNew Position+91K+$620.0M
STRS OHIONew Position+77K+$528.0M
PRINCIPAL FINANCIAL GROUP INCNew Position+59K+$404.0M
ZAZOVE ASSOCIATES LLCNew Position+50K+$342.0M
State of WyomingNew Position+48K+$329.0M
GRIMES & Co WEALTH MANAGEMENT, LLCNew Position+41K+$281.0M
SEIZERT CAPITAL PARTNERS, LLCNew Position+38K+$260.0M
SHERBROOKE PARK ADVISERS LLCNew Position+19K+$132.0M
Inspire Advisors, LLCNew Position+15K+$100.0M
AXQ CAPITAL, LPNew Position+12K+$85.0M
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COIncreased+269K+$52.1M
North Star Investment Management Corp.New Position+4K+$27.0M
BARD ASSOCIATES INCNew Position+1K+$6.0M

HDSN — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
ROYAL BANK OF CANADADecreased-801K-$8.0B
RENAISSANCE TECHNOLOGIES LLCDecreased-100K-$6.8B
D. E. Shaw & Co., Inc.Decreased-239K-$5.2B
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPDecreased-129K-$5.0B
NEW SOUTH CAPITAL MANAGEMENT INCDecreased-51K-$4.5B
MILLENNIUM MANAGEMENT LLCDecreased-167K-$2.5B
NORTHERN TRUST CORPDecreased-25K-$2.1B
Trexquant Investment LPDecreased-151K-$2.1B
TUDOR INVESTMENT CORP ET ALDecreased-178K-$2.1B
Cubist Systematic Strategies, LLCClosed Position-206K-$2.0B
TWO SIGMA INVESTMENTS, LPDecreased-55K-$1.9B
Russell Investments Group, Ltd.Decreased-11K-$1.5B
AQR CAPITAL MANAGEMENT LLCDecreased-6K-$1.4B
JPMORGAN CHASE & CODecreased-15K-$1.4B
JANE STREET GROUP, LLCDecreased-51K-$1.4B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Hartree Partners, LP3,800,000$26.0B9.42%Share
2WESTERLY CAPITAL MANAGEMENT, LLC2,550,000$17.5B3.84%Share
3DIMENSIONAL FUND ADVISORS LP1,922,624$13.0B0.00%Share
4RENAISSANCE TECHNOLOGIES LLC1,697,250$11.0B0.02%Share
5AMERICAN CENTURY COMPANIES INC1,386,683$9.0B0.00%Share
6NEW SOUTH CAPITAL MANAGEMENT INC1,192,314$8.2B0.38%Share
7ARROWSTREET CAPITAL, LIMITED PARTNERSHIP982,819$6.0B0.00%Share
8683 Capital Management, LLC335,000$2.3B0.10%Share
9JB CAPITAL PARTNERS LP306,200$2.1B0.36%Share
10NORTHERN TRUST CORP378,180$2.0B0.00%Share
11LAZARD ASSET MANAGEMENT LLC431,769$2.0B0.00%Share
12D. E. Shaw & Co., Inc.316,312$2.0B0.00%Share
13BRIDGEWAY CAPITAL MANAGEMENT, LLC378,255$2.0B0.04%Share
14LOS ANGELES CAPITAL MANAGEMENT LLC221,182$2.0B0.01%Share
15AQR CAPITAL MANAGEMENT LLC336,209$2.0B0.00%Share
16PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO410,099$2.0B0.01%Share
17SEGALL BRYANT & HAMILL, LLC180,354$1.2B0.02%Share
18WEDGE CAPITAL MANAGEMENT L L P/NC153,364$1.1B0.02%Share
19D. E. Shaw & Co., Inc.266,468$1.0B0.00%Share
20MILLENNIUM MANAGEMENT LLC189,061$1.0B0.00%Share
21TWO SIGMA ADVISERS, LP167,300$1.0B0.00%Share
22JACOBS LEVY EQUITY MANAGEMENT, INC159,728$1.0B0.00%Share
23O'SHAUGHNESSY ASSET MANAGEMENT, LLC170,826$1.0B0.01%Share
24UBS Group AG129,034$883.0M0.00%Share
25NEW SOUTH CAPITAL MANAGEMENT INC91,214$624.0M0.03%Share
26EdgeRock Capital LLC90,517$620.0M0.16%Share
27Invesco Ltd.82,769$566.0M0.00%Share
28STRS OHIO77,100$528.0M0.00%Share
29PINNACLE ASSOCIATES LTD70,000$479.0M0.01%Share
30Kerrisdale Advisers, LLC57,622$394.0M0.19%Share
31PRINCIPAL FINANCIAL GROUP INC57,465$393.0M0.00%Share
32ZAZOVE ASSOCIATES LLC50,000$342.0M0.03%Share
33State of Wyoming48,062$329.0M0.04%Share
34GRIMES & Co WEALTH MANAGEMENT, LLC41,163$281.0M0.01%Share
35SEIZERT CAPITAL PARTNERS, LLC38,023$260.0M0.01%Share
36EXCHANGE TRADED CONCEPTS, LLC35,366$242.0M0.00%Share
37COMERICA BANK31,614$216.0M0.00%Share
38SHERBROOKE PARK ADVISERS LLC19,369$132.0M0.34%Share
39Inspire Advisors, LLC14,696$100.0M0.01%Share
40AXQ CAPITAL, LP12,433$85.0M0.02%Share
411620 INVESTMENT ADVISORS, INC.11,245$77.0M0.05%Share
42Invesco Ltd.8,863$60.0M0.00%Share
43NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO269,256$57.0M0.04%Share
44UBS Group AG7,054$48.0M0.00%Share
45GAMMA Investing LLC6,684$45.0M0.00%Share
46Invesco Ltd.5,476$37.0M0.00%Share
47North Star Investment Management Corp.4,075$27.0M0.00%Share
48GROUP ONE TRADING LLC3,000$20.0M0.00%Call
49VANGUARD GROUP INC2,080,610$14.0M0.00%Share
50PRINCIPAL FINANCIAL GROUP INC1,608$11.0M0.00%Share

HDSN Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025169$123.3B+34
Q3 2025135$224.1B+9
Q2 2025126$130.5B-34
Q1 2025160$161.8B+0
Q4 2024160$108.1B+17
Q3 2024143$4.0T+6
Q2 2024137$4.3T+1
Q1 2024136$626.1T—

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As of Q4 2025, 50 institutional investors hold HDSN (Hudson Technologies, Inc.). The largest holder is Hartree Partners, LP with $26.0B in shares. This quarter, 14 institutions opened new positions and 1 closed their positions.

Frequently Asked Questions

How many hedge funds own HDSN?

As of Q4 2025, 50 institutional investors report holding HDSN (Hudson Technologies, Inc.) in their 13F filings.

Who is the largest institutional holder of HDSN?

The largest institutional holder of HDSN is Hartree Partners, LP with $26.0B in shares.

Is institutional ownership of HDSN increasing or decreasing?

This quarter, 14 institutions opened new positions in HDSN and 1 closed their positions.