HDSN

Hudson Technologies INC

-$33.2M

Net Activity

Institutions Holding

159

Popularity Rank

#3443

Avg Weight

0.11%

Total Value

$193.1M

Ownership Trend

159 institutions currently hold HDSN, with 68 net buyers and 89 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Neutral

Based on recent trading activity

Net Selling Institutions

89

Net Buying Institutions

68

Key Holders

Key Holders

Top 5 by Value

HP
Hartree Partners, LP
$22.3M
WC
Westerly Capital Management, LLC
$18.7M
BI
BlackRock, Inc.
$16.8M
DF
Dimensional Fund Advisors LP
$12.6M
VC
Vanguard Capital Management LLC
$9.8M

Top 5 by Conviction

WC
Westerly Capital Management, LLC
5.08%
HP
Hartree Partners, LP
4.79%
CC
Caspian Capital LP
4.17%
KI
Kestrel Investment Management CORP
0.70%
NS
New South Capital Management INC
0.35%
View all 159 holding institutions

Quarterly Activity

Recent Activity

+$84.0M

Total Buy Value

$94.5M

Total Sell Value

New buy22
Trim59
Add46
Sold out30

68

Net Buyers

89

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

1

Active 5%+ Holders

Data as of 2026-07-14
Reporting PersonTypeFiling Date% of Class
Dimensional Fund Advisors LP13G/A2026-07-144.7%
Hartree Partners, LP13G/A2026-07-0211.8%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding HUDSON TECHNOLOGIES INC (HDSN)?
Major stakeholders currently include Hartree Partners, LP ($22.3M), Westerly Capital Management, LLC ($18.7M), BlackRock, Inc. ($16.8M). Based on the latest 13F filings, there are a total of 159 tracked investment funds and institutions maintaining positions in HDSN.
What is the overall institutional sentiment toward HDSN recently?
Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $33.2M, driven by 68 managers accumulating shares while 89 reduced their exposure.
Which institutions have been selling or reducing their HDSN positions?
In the latest period, 59 funds trimmed their holdings, and 30 managers completely exited their positions. The aggregate reported sell value was $94.5M.
Are there any notable investors adding HDSN to their portfolios?
Yes, buying activity remains notable. 22 institutions opened new positions in {ticker}, and 46 existing holders added to their shares. The total reported buy value for the quarter amounted to $84.0M.

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