Question 1

Does Arrowstreet Capital own HDN stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Arrowstreet Capital holds 777,989 shares of HDN (Hudson Technologies), worth $4.5M.

Question 2

How many shares of HDN does Arrowstreet Capital own?

Accepted Answer

As of its Q2 2026 13F, Arrowstreet Capital holds 777,989 shares of HDN (Hudson Technologies).

Question 3

What is Arrowstreet Capital's HDN position worth?

Accepted Answer

As of its Q2 2026 13F, Arrowstreet Capital's HDN position is worth $4.5M.

Question 4

Is Arrowstreet Capital buying or selling HDN?

Accepted Answer

In Q2 2026, Arrowstreet Capital reduced its HDN position by 103,246 shares (-11.7%).

Question 5

When did Arrowstreet Capital first buy HDN?

Accepted Answer

Arrowstreet Capital first reported HDN in its Q1 2024 13F and has listed it in 8 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	777,989	-11.7%	$4.5M	0.0%	—	0
2026-Q1	Decreased	881,235	-10.3%	$5.2M	0.0%	—	0
2025-Q4	Decreased	982,819	-11.6%	$6.7M	0.0%	—	0
2025-Q3	Unchanged	1.1M	0.0%	$11M	0.0%	—	0
2025-Q2	Increased	1.1M	+102.9%	$9M	0.0%	—	44
2025-Q1	Increased	547,904	+76.4%	$3.4M	0.0%	—	40
2024-Q4	New	310,564	-	$1.7M	0.0%	—	36
2024-Q2	Exited	0	-100.0%	$0	0.0%	—	0
2024-Q1	New	67,875	-	$747,000	0.0%	—	34

HDN9 quarters

HDN
9 quarters