California State Teachers Retirement System (CalSTRS)
HDSN icon

California State Teachers Retirement System (CalSTRS)’s Hudson Technologies HDSN Stock Holding History

California State Teachers Retirement System (CalSTRS)’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
2026
Q2 		$2.95K Sell
514
-1,569
-75% -$8.93K ﹤0.01% 2767
2026
Q1 		$12.2K Sell
2,083
-285
-12% -$1.95K ﹤0.01% 2600
2025
Q4 		$16.2K Sell
2,368
-56
-2% -$441 ﹤0.01% 2600
2025
Q3 		$24.1K Sell
2,424
-797
-25% -$7.48K ﹤0.01% 2486
2025
Q2 		$26.2K Hold
3,221
– – ﹤0.01% 2420
2025
Q1 		$19.9K Hold
3,221
– – ﹤0.01% 2523
2024
Q4 		$18K Sell
3,221
-35,762
-92% -$236K ﹤0.01% 2648
2024
Q3 		$325K Sell
38,983
-1,251
-3% -$10.3K ﹤0.01% 2278
2024
Q2 		$354K Sell
40,234
-1,007
-2% -$9.76K ﹤0.01% 2242
2024
Q1 		$454K Sell
41,241
-2,384
-5% -$31K ﹤0.01% 2206
2023
Q4 		$589K Buy
43,625
+33,950
+351% +$438K ﹤0.01% 2125
2023
Q3 		$129K Sell
9,675
-4,911
-34% -$53K ﹤0.01% 2554
2023
Q2 		$140K Sell
14,586
-1,451
-9% -$12.6K ﹤0.01% 2586
2023
Q1 		$140K Sell
16,037
-1,183
-7% -$11.5K ﹤0.01% 2639
2022
Q4 		$174K Buy
17,220
+194
+1% +$1.9K ﹤0.01% 2641
2022
Q3 		$125K Sell
17,026
-1,419
-8% -$11.9K ﹤0.01% 2748
2022
Q2 		$139K Buy
+18,445
New +$152K ﹤0.01% 2771
2018
Q2 		– Sell
-56,686
Closed -$280K – 3038
2018
Q1 		$280K Sell
56,686
-2,649
-4% -$15.6K ﹤0.01% 2656
2017
Q4 		$360K Hold
59,335
– – ﹤0.01% 2561
2017
Q3 		$463K Sell
59,335
-5,665
-9% -$49.1K ﹤0.01% 2453
2017
Q2 		$549K Buy
+65,000
New +$497K ﹤0.01% 2414

Other funds holding HDSN

HP
Hartree Partners New York $469M AUM 46.64% 1-Year Est. Return
WCM
Westerly Capital Management San Francisco, California $542M AUM 48.48% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s HDSN Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Hudson Technologies (HDSN) stake by 75% in Q2 2026, selling an estimated $8.93K and leaving 514 shares worth $2.95K. The position accounts for ﹤0.01% of the portfolio, ranked #2767.

California State Teachers Retirement System (CalSTRS) first reported a position in HDSN in Q2 2017 and has held it in 21 quarters since. The position peaked at $589K in Q4 2023. 151 funds tracked by Wall St. Rank hold HDSN as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 514 shares of Hudson Technologies worth $2.95K as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 1,569 Hudson Technologies shares in Q2 2026, an estimated $8.93K.
  • Hudson Technologies made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #2767 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Hudson Technologies in Q2 2017 and has held it in 21 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Hudson Technologies position peaked at $589K in Q4 2023.
  • 151 funds tracked by Wall St. Rank held Hudson Technologies as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.