Skip to main content
Equibles

JANE STREET GROUP, LLC

Position in AME — Ametek Inc/

CIK 1595888 NEW YORK, NY
Back to AME Full portfolio

Position in AME

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$34,133,399
+$31,067,506 QoQ
Shares Held
159,234
+966.3% QoQ
Ownership
0.069%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AME Over Time

Shares Held

Position Value (USD)

Derivatives in AME

reported options exposure · as of Mar 31, 2026
CallValue
$8,745,888
CallShares
40,800
PutValue
$1,371,904
PutShares
6,400

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 Specialty Industrial Machinery

Industrials · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $939,896,960 across 48 Specialty Industrial Machinery names. AME ranks #6 (3.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CMI
Cummins Inc
 451,355 $242,838,016
2 IEX
Idex Corp /De/
 1,165,519 $220,924,125
3 PH
Parker-Hannifin Corp
 69,993 $62,660,531
4 GNRC
Generac Holdings Inc.
 279,000 $54,497,069
5 BW
Babcock & Wilcox Enterprises, Inc.
 3,671,977 $53,941,340
6 AME
Ametek Inc/
This page 		159,234 $34,133,399
7 MIDD
MIDDLEBY Corp
 216,573 $28,713,248
8 GEV
GE Vernova Inc.
 31,257 $27,284,234

All Filings in AME

Export CSV
48 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $34,133,399 159,234
2026-03-31 $1,371,904 6,400
2026-03-31 $8,745,888 40,800
2025-12-31 $3,065,893 14,933
2025-12-31 $7,001,071 34,100
2025-12-31 $923,895 4,500
2025-09-30 $12,652,400 67,300
2025-09-30 $15,791,812 83,999
2025-06-30 $868,608 4,800
2025-06-30 $10,875,696 60,100
2025-06-30 $7,219,760 39,897
2025-03-31 $826,272 4,800
2025-03-31 $17,152,029 99,640
2025-03-31 $705,774 4,100
2024-12-31 $8,337,924 46,255
2024-12-31 $2,271,276 12,600
2024-09-30 $2,678,676 15,600
2024-09-30 $5,035,395 29,325
2024-06-30 $17,635,583 105,786
2024-03-31 $14,484,033 79,191
2023-12-31 $16,555,779 100,405
2023-09-30 $11,906,500 80,580
2023-06-30 $5,151,021 31,820
2023-03-31 $1,342,266 9,236
2022-12-31 $3,051,343 21,839
2022-09-30 $9,187,797 81,014
2022-06-30 $8,404,826 76,484
2022-03-31 $1,012,168 7,600
2022-03-31 $7,857,352 58,998
2022-03-31 $3,116,412 23,400
2021-12-31 $279,376 1,900
2021-12-31 $808,720 5,500
2021-12-31 $4,952,012 33,678
2021-09-30 $210,817 1,700
2021-09-30 $334,827 2,700
2021-09-30 $1,128,490 9,100
2021-06-30 $453,900 3,400
2021-06-30 $1,525,504 11,427
2021-03-31 $370,417 2,900
2021-03-31 $2,043,680 16,000
2021-03-31 $307,829 2,410
2020-12-31 $387,008 3,200
2020-12-31 $3,608,486 29,837
2020-09-30 $596,400 6,000
2020-09-30 $483,679 4,866
2020-06-30 $214,488 2,400
2020-06-30 $19,210,349 214,953
2020-03-31 $6,945,608 96,440

Report a Problem

Category
Description
Email (optional, for follow-up)