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JANE STREET GROUP, LLC

Position in APT — Alpha Pro Tech Ltd

CIK 1595888 NEW YORK, NY

Position in APT

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$113,796
+$113,796 QoQ
Shares Held
25,630
Ownership
0.251%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
13 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in APT Over Time

Shares Held

Position Value (USD)

Derivatives in APT

reported options exposure · as of Mar 31, 2026
CallValue
$64,380
CallShares
14,500
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 Building Products & Equipment

Industrials · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $615,404,344 across 23 Building Products & Equipment names. APT ranks #23 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in APT

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28 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $113,796 25,630
2026-03-31 $64,380 14,500
2025-12-31 $93,684 21,100
2025-12-31 $215,784 48,600
2025-09-30 $66,102 13,800
2025-03-31 $116,570 23,314
2022-03-31 $55,440 13,200
2022-03-31 $138,180 32,900
2021-12-31 $854,904 143,200
2021-12-31 $171,339 28,700
2021-09-30 $988,637 146,900
2021-09-30 $323,713 48,100
2021-06-30 $231,390 27,000
2021-06-30 $236,531 27,600
2021-03-31 $451,888 46,300
2021-03-31 $212,894 21,813
2021-03-31 $345,504 35,400
2020-12-31 $338,960 30,400
2020-12-31 $344,535 30,900
2020-09-30 $753,454 50,978
2020-09-30 $1,480,956 100,200
2020-09-30 $663,622 44,900
2020-06-30 $6,805,650 384,500
2020-06-30 $2,132,353 120,472
2020-06-30 $3,178,920 179,600
2020-03-31 $2,284,328 189,100
2020-03-31 $1,498,076 124,013
2020-03-31 $1,923,136 159,200