Janus Henderson Group
HDSN

Janus Henderson Group’s Hudson Technologies HDSN Stock Holding History

Janus Henderson Group’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
Q3 		– Sell
-581,562
Closed -$4.72M – 2431
2025
Q2 		$4.72M Buy
581,562
+516,514
+794% +$3.54M ﹤0.01% 920
2025
Q1 		$402K Sell
65,048
-4,909
-7% -$28.8K ﹤0.01% 2065
2024
Q4 		$390K Sell
69,957
-12,543
-15% -$82.6K ﹤0.01% 2148
2024
Q3 		$688K Buy
82,500
+4,584
+6% +$37.9K ﹤0.01% 1868
2024
Q2 		$685K Buy
77,916
+5,917
+8% +$57.3K ﹤0.01% 1828
2024
Q1 		$793K Sell
71,999
-2,179
-3% -$28.4K ﹤0.01% 1777
2023
Q4 		$1M Buy
74,178
+26,978
+57% +$348K ﹤0.01% 1621
2023
Q3 		$628K Buy
47,200
+9,006
+24% +$97.2K ﹤0.01% 1815
2023
Q2 		$367K Buy
+38,194
New +$332K ﹤0.01% 2144

Other funds holding HDSN

HP
Hartree Partners New York $467M AUM 66.71% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $481B AUM 30.42% 1-Year Est. Return
WCM
Westerly Capital Management San Francisco, California $368M AUM 42.67% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
NSCM
New South Capital Management Memphis, Tennessee $2.09B AUM 33.67% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Janus Henderson Group's HDSN Position: Q3 2025 in Review

Janus Henderson Group sold out of Hudson Technologies (HDSN) in Q3 2025, closing a stake of 581,562 shares — an estimated $4.72M sold.

Janus Henderson Group first reported a position in HDSN in Q2 2023 and held it in 9 quarters. The position peaked at $4.72M in Q2 2025. 170 funds tracked by Wall St. Rank hold HDSN as of Q3 2025.

  • Janus Henderson Group reported no remaining Hudson Technologies position as of Q3 2025 after selling out during the quarter.
  • Janus Henderson Group sold 581,562 Hudson Technologies shares in Q3 2025, an estimated $4.72M.
  • Janus Henderson Group first reported a position in Hudson Technologies in Q2 2023 and held it in 9 quarters.
  • Janus Henderson Group's Hudson Technologies position peaked at $4.72M in Q2 2025.
  • 170 funds tracked by Wall St. Rank held Hudson Technologies as of Q3 2025.

Based on Janus Henderson Group's 13F filing for Q3 2025, filed 14 Nov 2025.