MYDA Advisors’s Perma-Fix Environmental Services PESI Stock Holding History

MYDA Advisors’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 Q2	$1.29M	Sell	90,000 -30,000	-25%	-$334K	0.19%	99
2026 Q1	$1.28M	Buy	120,000 +20,000	+20%	+$275K	0.21%	91
2025 Q4	$1.26M	Buy	+100,000	New	+$1.27M	0.24%	76
2025 Q3	–	Sell	-169,208	Closed	-$1.87M	–	202
2025 Q2	$1.78M	Sell	169,208 -30,792	-15%	-$283K	0.31%	75
2025 Q1	$1.45M	Sell	200,000 -25,000	-11%	-$225K	0.25%	73
2024 Q4	$2.49M	Buy	+225,000	New	+$2.96M	0.63%	49

Other funds holding PESI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

MCO

MAK Capital One New York $714M AUM 68.07% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

PGCM

Prescott Group Capital Management Tulsa, Oklahoma $1.16B AUM 53.61% 1-Year Est. Return

Diamond Hill Capital Management Columbus, Ohio $12.5B AUM 7.49% 1-Year Est. Return

KCM

Kennedy Capital Management St Louis, Missouri $5.65B AUM 61.31% 1-Year Est. Return

PCM

Potomac Capital Management New York $147M AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Heartland Advisors Milwaukee, Wisconsin $2.25B AUM 44.61% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

MYDA Advisors's PESI Position: Q2 2026 in Review

MYDA Advisors reduced its Perma-Fix Environmental Services (PESI) stake by 25% in Q2 2026, selling an estimated $334K and leaving 90,000 shares worth $1.29M. The position accounts for 0.19% of the portfolio, ranked #99.

MYDA Advisors first reported a position in PESI in Q4 2024 and has held it in 6 quarters since. The position peaked at $2.49M in Q4 2024. 89 funds tracked by Wall St. Rank hold PESI as of Q2 2026.

MYDA Advisors held 90,000 shares of Perma-Fix Environmental Services worth $1.29M as of Q2 2026.
MYDA Advisors sold 30,000 Perma-Fix Environmental Services shares in Q2 2026, an estimated $334K.
Perma-Fix Environmental Services made up 0.19% of MYDA Advisors's portfolio in Q2 2026, its #99 holding.
MYDA Advisors first reported a position in Perma-Fix Environmental Services in Q4 2024 and has held it in 6 quarters since.
MYDA Advisors's Perma-Fix Environmental Services position peaked at $2.49M in Q4 2024.
89 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q2 2026.

Based on MYDA Advisors's 13F filing for Q2 2026, filed 13 Aug 2026.