Skip to main content

JANE STREET GROUP, LLC

Position in ALGM — Allegro Microsystems, Inc.

CIK 1595888 NEW YORK, NY

Position in ALGM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$357,568
-$130,484 QoQ
Shares Held
5,136
-66.8% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#227
of 370 holders
Holding Since
Dec 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALGM Over Time

Shares Held

Position Value (USD)

Derivatives in ALGM

reported options exposure · as of Jun 30, 2026
CallValue
$15,490,450
CallShares
222,500
PutValue
$6,307,572
PutShares
90,600

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 Semiconductors

Technology · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $11,974,282,121 across 58 Semiconductors names. ALGM ranks #55 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALGM

Export CSV
32 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,490,450 222,500
2026-06-30 $357,568 5,136
2026-06-30 $6,307,572 90,600
2026-03-31 $851,310 27,000
2026-03-31 $397,278 12,600
2026-03-31 $488,052 15,479
2025-12-31 $7,863,878 298,100
2025-12-31 $443,184 16,800
2025-12-31 $4,779,474 181,178
2025-09-30 $23,944,000 820,000
2025-09-30 $449,680 15,400
2025-09-30 $6,142,160 210,348
2025-06-30 $1,740,271 50,900
2025-06-30 $9,928,776 290,400
2025-03-31 $2,656,190 105,698
2025-03-31 $477,470 19,000
2025-03-31 $13,997,410 557,000
2024-12-31 $891,297 40,773
2024-12-31 $225,158 10,300
2024-09-30 $321,540 13,800
2024-09-30 $396,100 17,000
2024-06-30 $3,205,634 113,514
2024-03-31 $2,019,789 74,918
2023-12-31 $3,799,550 125,522
2023-09-30 $2,322,867 72,726
2023-06-30 $3,992,406 88,445
2023-03-31 $1,958,278 40,806
2022-12-31 $268,588 8,947
2022-06-30 $556,912 26,917
2022-03-31 $545,251 19,199
2021-09-30 $4,256,273 133,175
2020-12-31 $719,473 26,987