HUDSON TECHNOLOGIES INC

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HDN·444144109·US·Common Stock-Activist

HDN (HUDSON TECHNOLOGIES INC) is held by 87 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($16.3M), DIMENSIONAL FUND ADVISORS LP ($11.3M), VANGUARD CAPITAL MANAGEMENT LLC ($9.5M). Net institutional sentiment: Mixed.

87

Holders

(6 Elite)

$111.8M

Total Value

42% (90)

Consensus

38 buying - 52 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)51

Insider (Form 4)80

Activist (13D/13G)85

Congressional (STOCK Act)46

Holder Quality

71

★★★★★

Elite

87

★★★★

Strong

79

★★★

Solid

37

★★

Below

88

★

Weak

Held by 87 funds

6 elite

Who's Trading

Source dates: Price unavailable · Insiders none · Activists Jul 2, 2026 · Congress none

ActivistHAHartree Partners, LP11.8%Jul 2, 2026

ActivistHAHartree Partners, LP9.0%Jun 5, 2026

ActivistDimensional Fund Advisors LP5.1%Apr 9, 2026

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Top Holders

Top Holders (87)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	2.8M(-0.8%)	$16.3M	0.0%	—	0
DIMENSIONAL FUND ADVISORS LP	Decreased	2M(-8.4%)	$11.3M	0.0%	—	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	1.7M(-0.3%)	$9.5M	0.0%	—	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	1.4M(-4.1%)	$8.3M	0.0%	—	0
AMERICAN CENTURY COMPANIES INC	Decreased	1.2M(-21.4%)	$6.7M	0.0%	—	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	995,011(+4.9%)	$5.7M	0.0%	—	28
STATE STREET CORP	Decreased	895,776(-0.2%)	$5.1M	0.0%	—	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	777,989(-11.7%)	$4.5M	0.0%	—	0
Qube Research & Technologies Ltd	Increased	721,847(+94.6%)	$4.1M	0.0%	—	43
CITADEL ADVISORS LLC	Increased	574,266(+39.1%)	$3.3M	0.0%	—	35
JACOBS LEVY EQUITY MANAGEMENT, INC	Increased	506,591(+183.1%)	$2.9M	0.0%	—	42
Nuveen, LLC	Increased	476,540(+469.2%)	$2.7M	0.0%	—	42
MWMARSHALL WACE, LLP	Increased	474,354(+116.3%)	$2.7M	0.0%	—	42
DED. E. Shaw & Co., Inc.	Increased	409,591(+14.2%)	$2.4M	0.0%	—	30
MORGAN STANLEY	Decreased	367,159(-22.2%)	$2.1M	0.0%	—	0
Russell Investments Group, Ltd.	Increased	362,489(+134.8%)	$2.1M	0.0%	—	42
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	290,537(+8.2%)	$1.7M	0.0%	—	28
NORTHERN TRUST CORP	Decreased	282,011(-29.4%)	$1.6M	0.0%	—	0
VFVANGUARD FIDUCIARY TRUST CO	Increased	245,071(+0.9%)	$1.4M	0.0%	—	26
Empowered Funds, LLC	Increased	205,878(+5.8%)	$1.2M	0.0%	—	27

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HDNHUDSON TECHNOLOGIES INC

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer