Hudson Technologies Inc /NY

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Hudson Technologies Inc /NY
TickerHDSN
CIK #0000925528
CUSIP444144109
SectorTrade & Services - Wholesale-Machinery, Equipment & Supplies
AddressPO Box 1541 One Blue Hill Plaza, 14th Floor, Pearl River, NY 10965
Source [EDGAR]
CIK Filing 2011 - 2025
[0000925528] 10-K
[0000925528] 10-Q
[0000925528] 3
[0000925528] 4
[0000925528] 5
[0000925528] 8-K
[0000925528] SC 13D
[0000925528] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Westerly Capital Management LLC Hudson Technologies Inc /NY [2025-06-24] 0.0
Hartree Partners LP Hudson Technologies Inc /NY [2025-03-12] 0.0
BlackRock Inc Hudson Technologies Inc /NY [2023-02-03] 6.0
Goldberg Capital Management Hudson Technologies Inc /NY [2022-03-22] 6.1
Cooper Creek Partners Management LLC Hudson Technologies Inc /NY [2022-02-14] 0.3
Calm Waters Partnership Hudson Technologies Inc /NY [2021-07-01] 5.1
Coleman Brian F Hudson Technologies Inc /NY [2021-05-25] 5.7
Riva Ridge Capital Management LP Hudson Technologies Inc /NY [2021-05-24] 5.4
Zugibe Maura Hudson Technologies Inc /NY [2021-05-04] 8.7
Cooper Creek Partners Management LLC Hudson Technologies Inc /NY [2021-02-12] 0.8
Lazatrus Ernest Hudson Technologies Inc /NY [2019-07-29] 12.0
FIL Ltd Hudson Technologies Inc /NY [2019-02-13] 0.0
Granahan Investment Management Inc/Ma Hudson Technologies Inc /NY [2019-02-12] 5.1
Calm Waters Partnership Hudson Technologies Inc /NY [2018-08-09] 5.2
FMR LLC Hudson Technologies Inc /NY [2018-02-13] 0.0
ArrowMark Colorado Holdings LLC Hudson Technologies Inc /NY [2018-02-09] 5.8
Dimensional Fund Advisors LP Hudson Technologies Inc /NY [2018-02-09] 5.6
DNB Asset Management as Hudson Technologies Inc /NY [2018-02-08] 6.5
BlackRock Inc Hudson Technologies Inc /NY [2018-02-01] 5.7
Cooper Creek Partners Management LLC Hudson Technologies Inc /NY [2018-01-25] 5.78
Marathon Capital Management Hudson Technologies Inc /NY [2016-02-12] 4.1
William Blair Investment Management LLC Hudson Technologies Inc /NY [2016-02-09] 0.3
Heartland Advisors Inc Hudson Technologies Inc /NY [2015-02-13] 7.8
Becker Drapkin Management LP Hudson Technologies Inc /NY [2014-06-16] 8.7
Perritt Capital Management Inc Hudson Technologies Inc /NY [2014-02-14] 6.1
Blair William & Co/IL Hudson Technologies Inc /NY [2014-02-06] 8.59
[2012-03-21] None
Form 3/4/5 Filer 2011 - 2025
Prouty Eric A
Hudson Technologies Inc /NY
Bulgarino Nicole E
Mansy Loan Nguyen
Abbatecola Vincent P
Parrillo Richard
Bertaux Brian J.
Coleman Brian F
Houghton Kathleen
Krishnamurti Nat
Gaglione Kenneth
Mandracchia Stephen P
Morch Otto C
Monetta Dominic J
Caruso Richard Damian
Estate of Kevin J. Zugibe
Frizzley Jill Kathleen
Maupin Ryan A
Zugibe Kevin J
Harkins Charles F
Buscemi James R
Form 13F Holdings
Firm Period DFND Voting Shares
Hartree Partners, LP [2025-06-30] SOLE 4,000,000 4,000,000
BlackRock, Inc. [2025-06-30] SOLE 2,831,332 2,905,833
Vanguard Group Inc [2025-06-30] SOLE 0 2,352,563
Westerly Capital Management LLC [2025-06-30] SOLE 2,000,000 2,000,000
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,839,154 1,887,957
Renaissance Technologies LLC [2025-06-30] SOLE 1,671,850 1,671,850
New South Capital Management Inc [2025-06-30] SOLE 812,190 1,195,790
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 1,111,803 1,111,803
American Century Companies Inc [2025-06-30] DFND 1,072,754 1,072,754
Geode Capital Management LLC [2025-06-30] DFND 944,424 944,424
State Street Corp [2025-06-30] DFND 889,436 944,136
Royal Bank of Canada [2025-06-30] DFND 800,762 835,012
D. E. Shaw & Co., Inc. [2025-06-30] DFND 761,363 791,663
Morgan Stanley [2025-06-30] DFND 693,844 755,548
Janus Henderson Group PLC [2025-06-30] DFND 0 581,562
Oaktree Capital Management LP [2025-06-30] DFND 562,662 562,662
Millennium Management LLC [2025-06-30] SOLE 466,725 466,725
Northern Trust Corp [2025-06-30] DFND 423,806 423,806
Public Employees Retirement System of Ohio [2025-06-30] SOLE 410,099 410,099
Two Sigma Advisers LP [2025-06-30] SOLE 372,800 394,100
683 Capital Management LLC [2025-06-30] DFND 375,000 375,000
Two Sigma Investments LP [2025-06-30] SOLE 353,279 353,279
Bank of New York Mellon Corp [2025-06-30] DFND 324,247 336,700
AQR Capital Management LLC [2025-06-30] DFND 327,256 327,417
JB Capital Partners LP [2025-06-30] SOLE 0 306,200
Bridgeway Capital Management LLC [2025-06-30] SOLE 297,112 297,112
Susquehanna International Group LLP [2025-06-30] OTR 258,849 258,849
Marathon Capital Management [2025-06-30] SOLE 0 249,450
Wedge Capital Management L L P/NC [2025-06-30] SOLE 169,499 210,302
Kestrel Investment Management Corp [2025-06-30] SOLE 208,850 208,850
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