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Quarry LP’s Hudson Technologies HDSN Stock Holding History

Quarry LP’s Portfolio HDSN Stock Details HDSN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-5,281
Closed -$52.4K – 2337
2025
Q3 		$52.4K Buy
5,281
+1,805
+52% +$16.9K 0.01% 817
2025
Q2 		$28.2K Buy
+3,476
New +$23.8K 0.01% 1067
2025
Q1 		– Sell
-8,840
Closed -$49.3K – 1794
2024
Q4 		$49.3K Buy
8,840
+4,165
+89% +$27.4K 0.01% 757
2024
Q3 		$39K Buy
4,675
+4,208
+901% +$34.8K 0.01% 847
2024
Q2 		$4.11K Sell
467
-1,521
-77% -$14.7K ﹤0.01% 1529
2024
Q1 		$21.9K Buy
1,988
+1,392
+234% +$18.1K ﹤0.01% 873
2023
Q4 		$8.04K Buy
+596
New +$7.7K ﹤0.01% 1137
2023
Q3 		– Sell
-658
Closed -$6.33K – 1216
2023
Q2 		$6.33K Sell
658
-2,919
-82% -$25.4K ﹤0.01% 929
2023
Q1 		$31.2K Buy
+3,577
New +$34.6K 0.01% 470

Other funds holding HDSN

HP
Hartree Partners New York $469M AUM 46.64% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
WCM
Westerly Capital Management San Francisco, California $542M AUM 48.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
NSCM
New South Capital Management Memphis, Tennessee $2.28B AUM 47.19% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Quarry LP's HDSN Position: Q4 2025 in Review

Quarry LP sold out of Hudson Technologies (HDSN) in Q4 2025, closing a stake of 5,281 shares — an estimated $52.4K sold.

Quarry LP first reported a position in HDSN in Q1 2023 and held it in 9 quarters. The position peaked at $52.4K in Q3 2025. 168 funds tracked by Wall St. Rank hold HDSN as of Q4 2025.

  • Quarry LP reported no remaining Hudson Technologies position as of Q4 2025 after selling out during the quarter.
  • Quarry LP sold 5,281 Hudson Technologies shares in Q4 2025, an estimated $52.4K.
  • Quarry LP first reported a position in Hudson Technologies in Q1 2023 and held it in 9 quarters.
  • Quarry LP's Hudson Technologies position peaked at $52.4K in Q3 2025.
  • 168 funds tracked by Wall St. Rank held Hudson Technologies as of Q4 2025.

Based on Quarry LP's 13F filing for Q4 2025, filed 13 Feb 2026.