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HDSN — HUDSON TECHNOLOGIES INC

Reported value held$80.43M
Funds holding (latest)39
SectorConsumer Discretionary
Funds holding (Q2 2026)28
Institutional value$54.89M · 9.66M sh
New / Add / Cut / Exit2 / 11 / 13 / 4
Top-5 / Top-10 concentration69.3% / 87.5%
Institutional holdings change Reducing -5.9% (-608.14K sh)
Institutional value change Down -8.4%

As of Q2 2026, 28 SEC-registered investment managers reported holding HDSN (HUDSON TECHNOLOGIES INC) in their latest 13F filings, with a combined reported value of $54.89M across 9.66M shares. That is -5.9% by share count (-608.14K shares) versus the previous quarter, while reported value moved -8.4%. Ownership is concentrated: the five largest holders account for 69.3% of reported value and the top ten for 87.5%.

Compared with the prior quarter, 2 opened new positions, 11 added to existing stakes, 13 trimmed, 4 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

HDSN is classified in the Consumer Discretionary sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 2.84M $16.30M 0.00% Reduce
Vanguard Group history Q4 2025 2.34M $16.02M 0.00% Reduce
Renaissance Technologies history Q2 2026 1.44M $8.28M 0.01% Reduce
Geode Capital Management history Q2 2026 995.01K $5.71M 0.00% Add
Janus Henderson Group history Q2 2025 581.56K $4.72M 0.00% Add
Arrowstreet Capital history Q2 2026 777.99K $4.47M 0.00% Reduce
Citadel Advisors history Q2 2026 574.27K $3.30M 0.00% Add
Marshall Wace history Q2 2026 474.35K $2.72M 0.00% Add
D. E. Shaw & Co history Q2 2026 409.59K $2.35M 0.00% Add
Morgan Stanley history Q2 2026 367.16K $2.11M 0.00% Reduce
Lazard Asset Management history Q1 2026 325.92K $1.92M 0.00% Reduce
Northern Trust Corp history Q2 2026 282.01K $1.62M 0.00% Reduce
Norges Bank Investment Management history Q4 2022 144.60K $1.46M 0.00% New
BNY Mellon history Q2 2026 204.78K $1.18M 0.00% Reduce
Goldman Sachs Group history Q2 2026 176.71K $1.01M 0.00% Reduce
AQR Capital Management history Q2 2026 161.90K $929.32K 0.00% Reduce
Two Sigma Investments history Q2 2026 131.96K $757.45K 0.00% Reduce
Prudential Financial history Q2 2026 121.74K $698.79K 0.00% Hold
Charles Schwab Investment Management history Q2 2026 109.01K $625.74K 0.00% Add
JPMorgan Chase & Co history Q2 2026 93.74K $513.69K 0.00% New

View all 39 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 3.32M 3.16M 3.17M 2.91M 2.86M 2.91M 2.86M 2.84M
Renaissance Technologies 501.85K 755.35K 921.15K 1.16M 1.10M 1.30M 1.29M 1.26M 1.32M 1.34M 1.35M 1.32M 1.26M 1.50M 1.49M 1.67M 1.80M 1.70M 1.50M 1.44M
Geode Capital Management 418.27K 416.14K 321.89K 654.01K 717.47K 752.51K 783.06K 830.14K 872.61K 920.76K 937.26K 980.15K 990.86K 995.73K 1.03M 944.42K 954.43K 943.15K 948.55K 995.01K
Arrowstreet Capital — — — — — — — — — — 67.88K — — 310.56K 547.90K 1.11M 1.11M 982.82K 881.24K 777.99K
Citadel Advisors 36.20K 89.77K 50.09K 46.76K 158.02K 184.39K 148.26K 103.03K 283.51K 211.10K 494.49K 557.79K 317.93K 574.45K 271.87K 184.69K 148.99K 80.08K 424.45K 574.27K
Marshall Wace 104.43K 74.19K 734.63K 443.92K — 30.95K — — 97.75K 564.91K 756.52K 728.00K 224.01K 212.23K — — 125.59K 465.13K 219.27K 474.35K
D. E. Shaw & Co — — — — — 17.80K — — 18.65K 76.97K 41.89K 276.86K 351.72K 1.35M 1.29M 791.66K 821.81K 582.78K 358.68K 409.59K
Morgan Stanley 2.71K 200.35K 211.65K 557.27K 575.57K 646.06K 399.85K 465.08K 347.68K 396.09K 299.84K 567.89K 468.22K 742.36K 568.15K 755.55K 792.73K 705.58K 471.95K 367.16K
Northern Trust Corp 71.33K 58.35K 55.59K 345.02K 341.25K 354.08K 358.27K 346.74K 350.41K 376.71K 367.15K 351.10K 358.43K 378.57K 353.90K 429.78K 416.51K 391.89K 399.36K 282.01K
BNY Mellon — 72.83K 91.19K 287.23K 277.95K 315.07K 294.98K 348.19K 355.37K 325.16K 169.32K 184.71K 166.25K 189.32K 185.31K 336.70K 338.39K 325.71K 282.44K 204.78K
Goldman Sachs Group 26.93K 29.32K 66.39K 133.94K 307.34K 95.93K 187.27K 75.19K 95.34K 150.87K 53.73K 112.89K 193.56K 164.79K 245.76K 116.66K 164.46K 189.90K 197.93K 176.71K
AQR Capital Management — — — — 147.02K 48.91K 185.70K 348.32K 41.85K 37.56K 36.93K 20.90K 128.01K 551.99K 591.64K 330.95K 345.28K 339.35K 344.30K 161.90K
Two Sigma Investments 179.33K 245.22K 425.82K 223.28K 172.45K 115.05K 29.90K — 159.91K 288.75K 154.96K 149.84K 83.63K 361.98K 547.10K 353.28K 190.22K 135.40K 272.93K 131.96K
Prudential Financial — — — — — — — — — — — — 128.19K 108.30K 36.28K — — 69.97K 121.74K 121.74K
Charles Schwab Investment Management — — 13.00K 107.77K 108.08K 114.51K 115.59K 117.68K 119.75K 119.75K 115.26K 122.25K 122.06K 122.06K 127.72K 114.94K 114.89K 115.32K 101.98K 109.01K
JPMorgan Chase & Co — — 7.46K 161.26K 23.57K 25.25K 603 34.00K 29.76K 248.44K 247.84K 199.56K 338.61K 853.25K 640.24K 155.68K 142.90K 127.57K — 93.74K
Invesco Ltd — — 513.71K 643.17K 18.20K 39.98K 17.10K 13.45K 33.61K 41.11K 137.96K 116.40K 47.41K 47.10K 59.06K 71.75K 78.78K 97.11K 78.79K 70.08K
Deutsche Bank AG — — — 188.69K 185.81K 186.66K 194.97K 182.20K 18.77K 185.10K 45.34K 44.21K 51.85K 71.00K 64.83K 56.23K 62.50K 53.23K 58.28K 61.12K
UBS Group AG 540 2.12K 2.16K 2.95K 23.13K 27.81K 36.21K 42.78K 43.22K 75.03K 71.07K 612.21K 906.76K 55.01K 84.68K 107.96K 133.82K 136.09K 42.48K 58.37K
Bank of America Corp 1.03K 44 — 9.96K 80.64K 79.33K 66.59K 30.97K 36.80K 59.38K 108.04K 91.52K 46.41K 93.94K 55.27K 174.68K 279.17K 83.40K 102.33K 57.91K

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