NASDAQ: HDSN
Hudson Technologies Inc Stock Ownership - Who owns Hudson Technologies?

Insider buying vs selling

Have Hudson Technologies Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Brian J. BertauxChief Financial Officer2026-05-192,000$4.87
$9.74kBuy
Nicole E. BulgarinoDirector2026-05-14550$4.85
$2.66kBuy
Richard ParrilloDirector2026-05-141,400$4.97
$6.96kBuy
Loan Nguyen MansyDirector2026-05-143,600$4.96
$17.86kBuy
Loan Nguyen MansyDirector2026-05-141,400$4.97
$6.96kBuy
Richard ParrilloDirector2026-05-143,600$4.96
$17.86kBuy
Richard ParrilloDirector2026-05-141,400$4.97
$6.96kBuy
Jeffrey R. FeelerDirector2026-05-145,100$4.92
$25.09kBuy
Richard ParrilloDirector2026-05-143,600$4.96
$17.86kBuy
Kenneth GaglionePresident and CEO2026-05-135,000$4.90
$24.47kBuy

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Net Insider Buy/Sell (L12M) Ownership

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HDSN Shareholders

What type of owners hold Hudson Technologies Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Stephen P. Mandracchia48.96%20,597,199$115.14MInsider
Kevin J. Zugibe10.66%4,484,549$25.07MInsider
Of Kevin J. Zugibe Estate9.99%4,203,536$23.50MInsider
Hartree Partners LP9.03%3,800,000$21.24MInstitution
Westerly Capital Management LLC7.55%3,175,000$17.75MInstitution
Blackrock Inc6.80%2,862,539$16.00MInstitution
Dimensional Fund Advisors LP5.11%2,148,311$12.01MInstitution
Vanguard Capital Management LLC3.95%1,660,146$9.28MInstitution
Renaissance Technologies LLC3.58%1,504,250$8.41MInstitution
American Century Companies Inc3.54%1,487,774$8.32MInstitution

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HDSN vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HDSN50.59%49.41%Net SellingNet Buying
CMT70.63%27.27%Net SellingNet Selling
FF8.56%91.44%Net BuyingNet Buying
CITR7.89%33.06%Net BuyingNet Buying
GEVO35.97%12.66%Net SellingNet Selling

Hudson Technologies Stock Ownership FAQ

Who owns Hudson Technologies?

Hudson Technologies (NASDAQ: HDSN) is owned by 78.27% institutional shareholders, 76.43% Hudson Technologies insiders, and 0.00% retail investors. Stephen P. Mandracchia is the largest individual Hudson Technologies shareholder, owning 20.60M shares representing 48.96% of the company. Stephen P. Mandracchia's Hudson Technologies shares are currently valued at $114.52M.

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