Diamond Hill Capital Management
PESI icon

Diamond Hill Capital Management’s Perma-Fix Environmental Services PESI Stock Holding History

Diamond Hill Capital Management’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 		$3.81M Sell
355,978
-30,865
-8% -$424K 0.02% 154
2025
Q4 		$4.87M Sell
386,843
-14,716
-4% -$188K 0.03% 150
2025
Q3 		$4.06M Buy
401,559
+7,143
+2% +$78.9K 0.02% 150
2025
Q2 		$4.15M Sell
394,416
-22,246
-5% -$205K 0.02% 145
2025
Q1 		$3.03M Buy
416,662
+101,145
+32% +$909K 0.01% 148
2024
Q4 		$3.49M Buy
315,517
+65,761
+26% +$865K 0.02% 146
2024
Q3 		$3.06M Buy
+249,756
New +$2.67M 0.01% 148

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PGCM
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VCM
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Geode Capital Management
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HA
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State Street
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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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Diamond Hill Capital Management's PESI Position: Q1 2026 in Review

Diamond Hill Capital Management reduced its Perma-Fix Environmental Services (PESI) stake by 8% in Q1 2026, selling an estimated $424K and leaving 355,978 shares worth $3.81M. The position accounts for 0.02% of the portfolio, ranked #154.

Diamond Hill Capital Management first reported a position in PESI in Q3 2024 and has held it in 7 quarters since. The position peaked at $4.87M in Q4 2025. 85 funds tracked by Wall St. Rank hold PESI as of Q1 2026.

  • Diamond Hill Capital Management held 355,978 shares of Perma-Fix Environmental Services worth $3.81M as of Q1 2026.
  • Diamond Hill Capital Management sold 30,865 Perma-Fix Environmental Services shares in Q1 2026, an estimated $424K.
  • Perma-Fix Environmental Services made up 0.02% of Diamond Hill Capital Management's portfolio in Q1 2026, its #154 holding.
  • Diamond Hill Capital Management first reported a position in Perma-Fix Environmental Services in Q3 2024 and has held it in 7 quarters since.
  • Diamond Hill Capital Management's Perma-Fix Environmental Services position peaked at $4.87M in Q4 2025.
  • 85 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q1 2026.

Based on Diamond Hill Capital Management's 13F filing for Q1 2026, filed 7 May 2026.