Squarepoint
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Squarepoint’s Perma-Fix Environmental Services PESI Stock Holding History

Squarepoint’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 		$555K Buy
51,940
+15,098
+41% +$208K ﹤0.01% 3255
2025
Q4 		$464K Buy
+36,842
New +$470K ﹤0.01% 3273
2025
Q2 		– Sell
-73,014
Closed -$531K – 4920
2025
Q1 		$531K Buy
+73,014
New +$656K ﹤0.01% 3245

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

Squarepoint's PESI Position: Q1 2026 in Review

Squarepoint increased its Perma-Fix Environmental Services (PESI) stake by 41% in Q1 2026, buying an estimated $208K and bringing the position to 51,940 shares worth $555K. The position accounts for ﹤0.01% of the portfolio, ranked #3255.

Squarepoint first reported a position in PESI in Q1 2025 and has held it in 3 quarters since. 85 funds tracked by Wall St. Rank hold PESI as of Q1 2026.

  • Squarepoint held 51,940 shares of Perma-Fix Environmental Services worth $555K as of Q1 2026.
  • Squarepoint bought 15,098 Perma-Fix Environmental Services shares in Q1 2026, an estimated $208K.
  • Perma-Fix Environmental Services made up ﹤0.01% of Squarepoint's portfolio in Q1 2026, its #3255 holding.
  • Squarepoint first reported a position in Perma-Fix Environmental Services in Q1 2025 and has held it in 3 quarters since.
  • 85 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q1 2026.

Based on Squarepoint's 13F filing for Q1 2026, filed 15 May 2026.