AMETEK, Inc.
MX ˙ BMV ˙ US0311001004
SecurityMX:AME / AMETEK, Inc.
InstitutionClearbridge Investments, LLC
Latest Disclosed Ownership18,418 shares
Latest Disclosed Value $ 3,948,082
Clearbridge Investments, LLC reports 3.23% decrease in ownership of AME / AMETEK, Inc.

On May 13, 2026 - Clearbridge Investments, LLC filed a 13F-HR form disclosing ownership of 18,418 shares of AMETEK, Inc. (MX:AME) valued at $3,948,082 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 19,032 shares of AMETEK, Inc.. This represents a change in shares of -3.23% 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)
2026-05-13 2026-03-31 13F Ametek COM 031100100 18,418 -614 -3.23 3,948 1.05 0.0031
2026-02-11 2025-12-31 13F Ametek COM 031100100 19,032 0 0.00 3,907 9.20 0.0031
2025-11-13 2025-09-30 13F Ametek COM 031100100 19,032 6,971 57.80 3,578 63.98 0.0027
2025-08-12 2025-06-30 13F Ametek COM 031100100 12,061 5,573 85.90 2,183 95.52 0.0018
2025-05-13 2025-03-31 13F Ametek COM 031100100 6,488 11 0.17 1,117 -4.37 0.0010
2025-02-12 2024-12-31 13F Ametek COM 031100100 6,477 0 0.00 1,168 4.95 0.0009
2024-11-12 2024-09-30 13F Ametek COM 031100100 6,477 6,477 1,112 0.0009
2021-11-12 2021-09-30 13F Ametek COM 031100100 0 -293,686 -100.00 0 -100.00
2021-08-13 2021-06-30 13F Ametek COM 031100100 293,686 -234 -0.08 39,207 4.44 0.0273
2021-05-13 2021-03-31 13F Ametek COM 031100100 293,920 -2,202 -0.74 37,542 4.83 0.0280
2021-02-10 2020-12-31 13F Ametek COM 031100100 296,122 -141,684 -32.36 35,813 -17.71 0.0277
2020-11-12 2020-09-30 13F Ametek COM 031100100 437,806 1,666 0.38 43,518 11.65 0.0374
2020-08-14 2020-06-30 13F AMETEK COM 031100100 436,140 -10,607 -2.37 38,978 21.14 0.0352
2020-05-22 2020-03-31 13F/A-1 AMETEK COM 031100100 446,747 -78,883 -15.01 32,175 -39.27 0.0349
2020-05-15 2020-03-31 13F AMETEK COM 031100100 446,747 -78,883 32,175 34,878.6027
2020-02-14 2019-12-31 13F AMETEK INC COM 031100100 525,630 -6,108 -1.15 52,984 8.52 0.0439
2019-11-14 2019-09-30 13F AMETEK INC COM 031100100 531,738 -11,386 -2.10 48,824 -1.04 0.0426
2019-08-14 2019-06-30 13F AMETEK INC COM 031100100 543,124 1,454 0.27 49,337 9.78 0.0428
2019-05-15 2019-03-31 13F AMETEK INC COM 031100100 541,670 1,860 0.34 44,942 22.98 0.0397
2019-02-14 2018-12-31 13F AMETEK INC COM 031100100 539,810 -134,836 -19.99 36,545 -31.54 0.0370
2018-11-28 2018-09-30 13F/A-1 AMETEK INC COM 031100100 674,646 -24,643 -3.52 53,378 5.78 0.0459
2018-11-14 2018-09-30 13F AMETEK INC COM 031100100 674,646 -24,643 53,378
2018-08-14 2018-06-30 13F AMETEK INC COM 031100100 699,289 -95,556 -12.02 50,461 -16.43 0.0413
2018-05-15 2018-03-31 13F AMETEK INC COM 031100100 794,845 -35,349 -4.26 60,384 0.37 0.0570
2018-02-14 2017-12-31 13F AMETEK INC COM 031100100 830,194 -2,768 -0.33 60,164 9.37 0.0556
2017-11-14 2017-09-30 13F AMETEK INC COM 031100100 832,962 -43,056 -4.91 55,009 3.67 0.0529
2017-08-14 2017-06-30 13F AMETEK INC COM 031100100 876,018 17,284 2.01 53,060 14.25 0.0521
2017-06-07 2017-03-31 13F/A-1 AMETEK INC COM 031100100 858,734 8,037 0.94 46,440 12.33 0.0467
2017-05-15 2017-03-31 13F AMETEK INC COM 031100100 858,734 46,440
2017-02-14 2016-12-31 13F AMETEK INC COM 031100100 850,697 16,410 1.97 41,344 3.72 0.0454
2016-11-14 2016-09-30 13F AMETEK INC COM 031100100 834,287 126,843 17.93 39,862 21.88 0.0449
2016-08-15 2016-06-30 13F AMETEK INC COM 031100100 707,444 36,441 5.43 32,705 -2.48 0.0386
2016-05-16 2016-03-31 13F AMETEK INC COM 031100100 671,003 82,232 13.97 33,537 6.29 0.0401
2016-02-16 2015-12-31 13F AMETEK INC COM 031100100 588,771 15,362 2.68 31,552 5.17 0.0365
2015-11-16 2015-09-30 13F AMETEK INC COM 031100100 573,409 -11,072 -1.89 30,001 -6.30 0.0359
2015-08-17 2015-06-30 13F/A-1 AMETEK INC COM 031100100 584,481 582,618 31,273.11 32,018 32,571.43 0.0339
2015-08-14 2015-06-30 13F AMETEK INC COM 031100100 584,481 32,018
2015-05-15 2015-03-31 13F AMETEK INC COM 031100100 1,863 -7,137 -79.30 98 -79.32 0.0001
2015-02-17 2014-12-31 13F AMETEK INC COM 031100100 9,000 0 0.00 474 4.87 0.0005
2014-11-14 2014-09-30 13F AMETEK INC COM 031100100 9,000 0 0.00 452 -4.03 0.0005
2014-08-14 2014-06-30 13F AMETEK INC COM 031100100 9,000 0 0.00 471 1.73 0.0005
2014-05-15 2014-03-31 13F AMETEK INC COM 031100100 9,000 0 0.00 463 -2.32 0.0005
2014-02-14 2013-12-31 13F AMETEK INC COM 031100100 9,000 0 0.00 474 14.49 0.0006
2013-11-14 2013-09-30 13F AMETEK INC COM 031100100 9,000 0 0.00 414 8.66 0.0006
2013-08-14 2013-06-30 13F AMETEK INC COM 031100100 9,000 9,000 381 0.0006
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.