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GI
HDSN
GAMMA Investing’s
Hudson Technologies
HDSN
Stock Holding History
GAMMA Investing’s Portfolio
HDSN Stock Details
HDSN Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q2
$9.06K
Sell
1,579
-2,012
-56%
-$11.4K
﹤0.01%
3261
2026
Q1
$21.1K
Sell
3,591
-3,093
-46%
-$21.2K
﹤0.01%
2684
2025
Q4
$45.8K
Buy
6,684
+197
+3%
+$1.55K
﹤0.01%
2125
2025
Q3
$64.4K
Hold
6,487
–
–
﹤0.01%
1822
2025
Q2
$52.7K
Buy
6,487
+1,517
+31%
+$10.4K
﹤0.01%
1904
2025
Q1
$30.7K
Buy
4,970
+2,624
+112%
+$15.4K
﹤0.01%
2145
2024
Q4
$13.1K
Buy
2,346
+2,014
+607%
+$13.3K
﹤0.01%
2472
2024
Q3
$2.77K
Buy
332
+181
+120%
+$1.5K
﹤0.01%
2959
2024
Q2
$1.33K
Buy
151
+99
+190%
+$959
﹤0.01%
2997
2024
Q1
$573
Buy
52
+49
+1,633%
+$638
﹤0.01%
3081
2023
Q4
$38
Buy
+3
New
+$39
﹤0.01%
3167
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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