California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Perma-Fix Environmental Services PESI Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio PESI Stock Details PESI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$10K Sell
936
-129
-12% -$1.77K ﹤0.01% 2679
2025
Q4 		$13.4K Sell
1,065
-10
-0.9% -$127 ﹤0.01% 2685
2025
Q3 		$10.9K Buy
1,075
+1
+0.1% +$11 ﹤0.01% 2802
2025
Q2 		$11.3K Hold
1,074
– – ﹤0.01% 2696
2025
Q1 		$7.81K Hold
1,074
– – ﹤0.01% 2840
2024
Q4 		$11.9K Hold
1,074
– – ﹤0.01% 2798
2024
Q3 		$13.2K Buy
1,074
+162
+18% +$1.73K ﹤0.01% 2782
2024
Q2 		$9.24K Buy
+912
New +$10.1K ﹤0.01% 2923

Other funds holding PESI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
MCO
MAK Capital One New York $679M AUM 29.02% 1-Year Est. Return
PGCM
Prescott Group Capital Management Tulsa, Oklahoma $1B AUM 51.95% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
HA
Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return
Diamond Hill Capital Management
Diamond Hill Capital Management Columbus, Ohio $16B AUM 4.15% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PCM
Potomac Capital Management New York $115M AUM
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s PESI Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Perma-Fix Environmental Services (PESI) stake by 12% in Q1 2026, selling an estimated $1.77K and leaving 936 shares worth $10K. The position accounts for ﹤0.01% of the portfolio, ranked #2679.

California State Teachers Retirement System (CalSTRS) first reported a position in PESI in Q2 2024 and has held it in 8 quarters since. The position peaked at $13.4K in Q4 2025. 85 funds tracked by Wall St. Rank hold PESI as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 936 shares of Perma-Fix Environmental Services worth $10K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 129 Perma-Fix Environmental Services shares in Q1 2026, an estimated $1.77K.
  • Perma-Fix Environmental Services made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2679 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Perma-Fix Environmental Services in Q2 2024 and has held it in 8 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Perma-Fix Environmental Services position peaked at $13.4K in Q4 2025.
  • 85 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.