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HDSN

Hudson Technologies
HDSN

160 hedge funds and large institutions have $194M invested in Hudson Technologies in 2026 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 48 increasing their positions, 58 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

9,100% more call options, than puts

Call options by funds: $92K | Put options by funds: $1K

0.96% more ownership

Funds ownership: 76.69% → 77.65% (+0.96%)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

5% less funds holding

Funds holding: 168 → 160 (-8)

10% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 29

14% less capital invested

Capital invested by funds: $226M → $194M (-$32.5M)

17% less repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 58

Holders
160
Holders Change
-8
Holders Change %
-4.76%
% of All Funds
1.97%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
26
Increased
48
Reduced
58
Closed
29
Calls
$92K
Puts
$1K
Net Calls
+$91K
Net Calls Change
+$49K

Top Buyers

1
WCM
Westerly Capital Management
California
+$4.29M
2
SBH
Segall Bryant & Hamill
Illinois
+$3.07M
3
Citadel Advisors
Citadel Advisors
Florida
+$2.28M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$1.42M
5
EF
Empowered Funds
Pennsylvania
+$1.33M

Top Sellers

1
Los Angeles Capital Management
Los Angeles Capital Management
California
-$2.03M
2
Marshall Wace
Marshall Wace
United Kingdom
-$1.69M
3
Morgan Stanley
Morgan Stanley
New York
-$1.6M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$1.54M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$1.51M
Name Holding Trade Value Shares
Change 		Change in
Stake
PNC Financial Services Group
151
PNC Financial Services Group
Pennsylvania
$488 +$549 +80 +2,667%
US Bancorp
152
US Bancorp
Minnesota
$329 +$384 +56 New
HHCP
153
Hilton Head Capital Partners
South Carolina
$294 – – –
AF
154
Allworth Financial
California
$253 +$199 +29 +207%
FFA
155
Farther Finance Advisors
California
$232 -$48 -7 -15%
SS
156
Sunbelt Securities
Texas
$182 +$27 +4 +15%
KG
157
Kilter Group
New York
$118 +$137 +20 New
SS
158
SBI Securities
Japan
$71 – – –
AAP
159
Arax Advisory Partners
Colorado
$59 -$459 -67 -87%
CIAM
160
Caitong International Asset Management
Hong Kong
$18 +$21 +3 New
Los Angeles Capital Management
161
Los Angeles Capital Management
California
– -$2.03M -221,182 Closed
Acadian Asset Management
162
Acadian Asset Management
Massachusetts
– -$1.51M -220,612 Closed
Two Sigma Advisers
163
Two Sigma Advisers
New York
– -$1.15M -167,300 Closed
Point72 Asset Management
164
Point72 Asset Management
Connecticut
– -$776K -113,263 Closed
Aviva
165
Aviva
United Kingdom
– -$464K -67,703 Closed
TI
166
Trexquant Investment
Connecticut
– -$408K -59,580 Closed
Principal Financial Group
167
Principal Financial Group
Iowa
– -$405K -59,073 Closed
HIM
168
Hillsdale Investment Management
Ontario, Canada
– -$301K -44,000 Closed
AG
169
Algert Global
California
– -$295K -43,105 Closed
SCP
170
Seizert Capital Partners
Michigan
– -$260K -38,023 Closed
MAM
171
Martingale Asset Management
Massachusetts
– -$214K -31,238 Closed
PCM
172
Prelude Capital Management
New York
– -$214K -31,200 Closed
XT
173
XTX Topco
Cayman Islands
– -$200K -29,131 Closed
AC
174
Aristides Capital
Kentucky
– -$183K -26,720 Closed
IAN
175
Integrated Advisors Network
Texas
– -$173K -25,281 Closed
4 5 6
7
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HDSN Hedge Fund Activity: Q1 2026 in Review

160 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Hudson Technologies (HDSN) for Q1 2026, worth a combined $194M — down 14% from $226M a quarter earlier.

Sellers outnumbered buyers: 29 funds closed out of HDSN and 26 opened new positions — a net loss of 3 holders — while 58 trimmed existing stakes and 48 added.

The largest buyer was Westerly Capital Management, adding an estimated $4.29M. The largest seller was Los Angeles Capital Management, exiting entirely with an estimated $2.03M sold.

  • 160 institutional investors held Hudson Technologies (HDSN) as of Q1 2026, down from 168 in Q4 2025.
  • Funds reported $194M of Hudson Technologies stock for Q1 2026, down 14% quarter-over-quarter.
  • 26 funds opened new Hudson Technologies positions in Q1 2026 and 29 closed out, a net change of -3 holders.
  • The largest Hudson Technologies buyer in Q1 2026 was Westerly Capital Management, an estimated $4.29M added.
  • The largest Hudson Technologies seller in Q1 2026 was Los Angeles Capital Management, an estimated $2.03M sold.

Based on aggregated 13F filings for Q1 2026.