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Hudson Technologies
HDSN

Overview Fund Activity

146 hedge funds and large institutions have $268M invested in Hudson Technologies in 2025 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 43 increasing their positions, 58 reducing their positions, and 34 closing their positions.

Holders
146
Holders Change
-15
Holders Change %
-9.32%
% of All Funds
1.96%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
20
Increased
43
Reduced
58
Closed
34
Calls
$5.72M
Puts
$4K
Net Calls
+$5.71M
Net Calls Change
+$5.16M

Top Buyers

1
Royal Bank of Canada
1
Royal Bank of Canada
Ontario, Canada
$6.8M
2
WCM
2
Westerly Capital Management
California
$16.2M
3
Arrowstreet Capital
3
Arrowstreet Capital
Massachusetts
$9.03M
4
OCM
4
Oaktree Capital Management
California
$4.57M
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$4.72M

Top Sellers

1
D.E. Shaw & Co
1
D.E. Shaw & Co
New York
$6.43M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$1.26M
3
GC
3
Grizzlyrock Capital
Illinois
$0
4
BlackRock
4
BlackRock
New York
$23.6M
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$2.69M
Name Market Value Shares Shares
Change 		Shares
Change %
HP
1
Hartree Partners
New York
$32.5M 4,000,000 +426,858 +12%
BlackRock
2
BlackRock
New York
$23.6M 2,905,833 -264,381 -8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$20.1M 2,480,309 -102,512 -4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$16.3M 2,006,966 +56,771 +3%
WCM
5
Westerly Capital Management
California
$16.2M 2,000,000 +775,000 +63%
Renaissance Technologies
6
Renaissance Technologies
New York
$13.6M 1,671,850 +183,500 +12%
NSCM
7
New South Capital Management
Tennessee
$11M 1,350,943 -132,776 -9%
Arrowstreet Capital
8
Arrowstreet Capital
Massachusetts
$9.03M 1,111,803 +563,899 +103%
American Century Companies
9
American Century Companies
Missouri
$8.71M 1,072,754 +204,695 +24%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$7.67M 944,424 -88,669 -9%
State Street
11
State Street
Massachusetts
$7.67M 944,136 -5,851 -0.6%
Royal Bank of Canada
12
Royal Bank of Canada
Ontario, Canada
$6.8M 837,971 +805,478 +2,479%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$6.43M 791,663 -499,562 -39%
Morgan Stanley
14
Morgan Stanley
New York
$6.14M 755,548 +187,402 +33%
Janus Henderson Group
15
Janus Henderson Group
United Kingdom
$4.72M 581,562 +516,514 +794%
OCM
16
Oaktree Capital Management
California
$4.57M 562,662 +562,662 New
Millennium Management
17
Millennium Management
New York
$3.79M 466,725 +125,322 +37%
Northern Trust
18
Northern Trust
Illinois
$3.49M 429,778 +75,874 +21%
Ohio Public Employees Retirement System (OPERS)
19
Ohio Public Employees Retirement System (OPERS)
Ohio
$3.33M 410,099 +7,690 +2%
Two Sigma Advisers
20
Two Sigma Advisers
New York
$3.2M 394,100 -134,100 -25%
6CM
21
683 Capital Management
New York
$3.05M 375,000 -27,583 -7%
Two Sigma Investments
22
Two Sigma Investments
New York
$2.87M 353,279 -193,817 -35%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$2.73M 336,700 +151,385 +82%
AQR Capital Management
24
AQR Capital Management
Connecticut
$2.69M 330,951 -260,694 -44%
JCP
25
JB Capital Partners
New York
$2.49M 306,200 – –
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