AMETEK, Inc.
MX ˙ BMV ˙ US0311001004
SecurityMX:AME / AMETEK, Inc.
InstitutionJefferies Financial Group Inc.
Latest Disclosed Ownership26,803 shares
Latest Disclosed Value $ 5,745,491
Jefferies Financial Group Inc. reports 12.04% increase in ownership of AME / AMETEK, Inc.

On May 7, 2026 - Jefferies Financial Group Inc. filed a 13F-HR form disclosing ownership of 26,803 shares of AMETEK, Inc. (MX:AME) valued at $5,745,491 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 9, 2026 disclosing 23,922 shares of AMETEK, Inc.. This represents a change in shares of 12.04% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-07 2026-03-31 13F AMETEK COM 031100100 26,803 2,881 12.04 5,745 16.98 0.0393
2026-02-09 2025-12-31 13F AMETEK COM 031100100 23,922 20,946 703.83 4,911 778.53 0.0251
2025-11-13 2025-09-30 13F AMETEK COM 031100100 2,976 2,976 559 0.0026
2025-08-12 2025-06-30 13F AMETEK COM 031100100 0 -2,240 -100.00 0 -100.00
2025-05-08 2025-03-31 13F AMETEK COM 031100100 2,240 2,240 386 0.0034
2025-02-27 2024-12-31 13F/A-1 AMETEK COM 031100100 0 -3,530 -100.00 0 -100.00
2025-02-14 2024-12-31 13F AMETEK COM 031100100 0 0
2024-11-14 2024-09-30 13F AMETEK COM 031100100 3,530 3,530 606 0.0043
2024-05-13 2024-03-31 13F AMETEK COM 031100100 0 -4,416 -100.00 0 -100.00
2024-05-06 2023-12-31 13F/A-1 AMETEK COM 031100100 4,416 -12,076 -73.22 728 -70.11 0.0047
2024-02-14 2023-12-31 13F AMETEK COM 031100100 4,416 -12,076 728 0.0047
2023-11-14 2023-09-30 13F AMETEK COM 031100100 16,492 8,192 98.70 2,437 81.38 0.0219
2023-08-14 2023-06-30 13F AMETEK COM 031100100 8,300 -9,500 -53.37 1,344 -48.07 0.0120
2023-05-15 2023-03-31 13F AMETEK COM 031100100 17,800 5,820 48.58 2,587 54.57 0.0209
2023-09-21 2022-12-31 13F/A-1 AMETEK COM 031100100 11,980 11,980 1,674 0.0116
2023-02-14 2022-12-31 13F AMETEK COM 031100100 22,278 22,278 1,669 0.0115
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.