Susquehanna International Group’s Perma-Fix Environmental Services PESI Stock Holding History

Susquehanna International Group’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	$1.61M	Buy	150,500 +123,200	+451%	+$1.69M	﹤0.01%	6681
2025 Q4	$344K	Sell	27,300 -1,800	-6%	-$22.9K	﹤0.01%	9624
2025 Q3	$294K	Buy	+29,100	New	+$322K	﹤0.01%	10153
2025 Q2	–	Sell	-19,700	Closed	-$143K	–	13465
2025 Q1	$143K	Buy	19,700 +4,600	+30%	+$41.3K	﹤0.01%	11268
2024 Q4	$167K	Buy	+15,100	New	+$199K	﹤0.01%	10925
2024 Q3	–	Sell	-33,500	Closed	-$339K	–	12767
2024 Q2	$339K	Buy	33,500 +4,500	+16%	+$49.9K	﹤0.01%	9167
2024 Q1	$345K	Buy	+29,000	New	+$251K	﹤0.01%	9385
2023 Q4	–	Sell	-26,500	Closed	-$277K	–	13059
2023 Q3	$277K	Buy	26,500 +100	+0.4%	+$1.1K	﹤0.01%	9530
2023 Q2	$290K	Sell	26,400 -3,300	-11%	-$34.4K	﹤0.01%	9515
2023 Q1	$350K	Buy	+29,700	New	+$193K	﹤0.01%	9380

Other funds holding PESI

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return

Diamond Hill Capital Management Columbus, Ohio $16B AUM 4.15% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

PCM

Potomac Capital Management New York $115M AUM

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Susquehanna International Group's PESI Position: Q1 2026 in Review

Susquehanna International Group reduced its Perma-Fix Environmental Services (PESI) stake by 89% in Q1 2026, selling an estimated $1.2M and leaving 11,098 shares worth $119K. The position accounts for ﹤0.01% of the portfolio, ranked #12221.

Susquehanna International Group first reported a position in PESI in Q2 2013 and has held it in 21 quarters since. The position peaked at $1.31M in Q1 2024. 85 funds tracked by Wall St. Rank hold PESI as of Q1 2026.

Susquehanna International Group held 11,098 shares of Perma-Fix Environmental Services worth $119K as of Q1 2026.
Susquehanna International Group sold 87,171 Perma-Fix Environmental Services shares in Q1 2026, an estimated $1.2M.
Perma-Fix Environmental Services made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #12221 holding.
Susquehanna International Group first reported a position in Perma-Fix Environmental Services in Q2 2013 and has held it in 21 quarters since.
Susquehanna International Group's Perma-Fix Environmental Services position peaked at $1.31M in Q1 2024.
85 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.