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Howard Marks's Hudson Technologies, Inc. (HDSN) position

Not anymore: Howard Marks fully exited HDSN in Q3 2025. The position peaked at an amount we cannot price in Q2 2025.
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Value at exit
an amount we cannot price
Shares at exit
563K
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

HDSN price vs Marks's position

Dates
$6$6.05$6.1$6.15$6.2← Earlier —1 purchase
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q3 2025 Exited −563K −100.0% 0 Nov 13, 2025
Q2 2025 New +563K 563K Aug 13, 2025
Data through Q3 2025 · filed Nov 13, 2025
2 grouped rows from 2 quarters

More Marks positions

Common questions

Does Howard Marks own HDSN?

Not currently. Howard Marks fully exited HDSN in Q3 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Howard Marks buy HDSN?

Howard Marks first disclosed a HDSN position in Q2 2025; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Howard Marks sell HDSN?

Yes. Howard Marks reduced and then fully exited HDSN by Q3 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of HDSN does Howard Marks own?

None as of the latest filing: Howard Marks has exited HDSN. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Howard Marks pay for HDSN?

Howard Marks began building the HDSN position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.