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JANE STREET GROUP, LLC

Position in BELFA — Bel Fuse Inc /Nj

CIK 1595888 NEW YORK, NY

Position in BELFA

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$24,707,237
+$14,742,012 QoQ
Shares Held
74,187
+44.0% QoQ
Ownership
0.514%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#43
of 257 holders
Holding Since
Sep 2021
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BELFA Over Time

Shares Held

Position Value (USD)

Derivatives in BELFA

reported options exposure · as of Jun 30, 2026
CallValue
$26,276,856
CallShares
78,900
PutValue
$432,952
PutShares
1,300

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 Electronic Components

Technology · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $3,075,336,422 across 28 Electronic Components names. BELFA ranks #13 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BELFA

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 BELFB $26,276,856 78,900
2026-06-30 BELFB $24,707,237 74,187
2026-06-30 BELFB $432,952 1,300
2026-03-31 BELFB $7,592,532 38,350
2026-03-31 $2,372,693 13,167
2025-12-31 $914,138 6,022
2025-09-30 BELFB $10,221,129 72,480
2025-09-30 $492,625 4,234
2025-03-31 BELFB $747,776 9,989
2024-12-31 BELFB $1,346,816 16,331
2024-09-30 BELFB $839,271 10,690
2024-06-30 BELFB $974,293 14,934
2024-03-31 BELFB $1,242,264 20,598
2023-12-31 BELFB $689,666 10,329
2023-09-30 BELFB $391,972 8,214
2023-06-30 BELFB $344,861 6,007
2023-03-31 BELFB $2,141,383 56,982
2022-12-31 BELFB $395,632 12,018
2021-09-30 BELFB $141,639 11,395