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JANE STREET GROUP, LLC

Position in PESI — Perma Fix Environmental Services Inc

CIK 1595888 NEW YORK, NY

Position in PESI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$666,642
+$361,710 QoQ
Shares Held
46,651
+63.5% QoQ
Ownership
0.220%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#27
of 88 holders
Holding Since
Mar 2023
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PESI Over Time

Shares Held

Position Value (USD)

Derivatives in PESI

reported options exposure · as of Mar 31, 2026
CallValue
$545,190
CallShares
51,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Waste Management

Industrials · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $215,941,574 across 10 Waste Management names. PESI ranks #7 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 PESI
Perma Fix Environmental Services Inc
This page
46,651 $666,642

All Filings in PESI

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $666,642 46,651
2026-03-31 $545,190 51,000
2026-03-31 $304,932 28,525
2025-12-31 $1,815,967 144,239
2025-09-30 $587,829 58,201
2025-06-30 $232,060 22,059
2024-09-30 $149,189 12,159
2024-03-31 $239,024 20,103
2023-12-31 $90,570 11,523
2023-03-31 $361,280 30,669