Marshall Wace
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Marshall Wace’s Perma-Fix Environmental Services PESI Stock Holding History

Marshall Wace’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
2025
Q3 		– Sell
-18,405
Closed -$194K – 3286
2025
Q2 		$194K Buy
+18,405
New +$169K ﹤0.01% 2461
2024
Q3 		– Sell
-10,897
Closed -$110K – 2851
2024
Q2 		$110K Buy
+10,897
New +$121K ﹤0.01% 2390

Other funds holding PESI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
MCO
MAK Capital One New York $714M AUM 68.07% 1-Year Est. Return
PGCM
Prescott Group Capital Management Tulsa, Oklahoma $1.16B AUM 53.61% 1-Year Est. Return
HA
Heartland Advisors Milwaukee, Wisconsin $2.25B AUM 44.61% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Diamond Hill Capital Management
Diamond Hill Capital Management Columbus, Ohio $12.5B AUM 7.49% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
EIM
Essex Investment Management Boston, Massachusetts $763M AUM 108.51% 1-Year Est. Return

Marshall Wace's PESI Position: Q3 2025 in Review

Marshall Wace sold out of Perma-Fix Environmental Services (PESI) in Q3 2025, closing a stake of 18,405 shares — an estimated $194K sold.

Marshall Wace first reported a position in PESI in Q2 2024 and held it in 2 quarters. The position peaked at $194K in Q2 2025. 77 funds tracked by Wall St. Rank hold PESI as of Q3 2025.

  • Marshall Wace reported no remaining Perma-Fix Environmental Services position as of Q3 2025 after selling out during the quarter.
  • Marshall Wace sold 18,405 Perma-Fix Environmental Services shares in Q3 2025, an estimated $194K.
  • Marshall Wace first reported a position in Perma-Fix Environmental Services in Q2 2024 and held it in 2 quarters.
  • Marshall Wace's Perma-Fix Environmental Services position peaked at $194K in Q2 2025.
  • 77 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q3 2025.

Based on Marshall Wace's 13F filing for Q3 2025, filed 13 Nov 2025.