Amphenol Corporation
MX ˙ BMV ˙ US0320951017
SecurityMX:APH / Amphenol Corporation
InstitutionTd Asset Management Inc
Latest Disclosed Ownership3,608,908 shares
Latest Disclosed Value $ 455,985,526
Td Asset Management Inc reports 11.73% decrease in ownership of APH / Amphenol Corporation

On May 11, 2026 - Td Asset Management Inc filed a 13F-HR form disclosing ownership of 3,608,908 shares of Amphenol Corporation (MX:APH) valued at $455,985,526 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 4,088,713 shares of Amphenol Corporation. This represents a change in shares of -11.73% 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)
2026-05-11 2026-03-31 13F AMPHENOL CL A 032095101 3,608,908 -479,805 -11.73 455,986 -17.48 0.1978
2026-02-10 2025-12-31 13F AMPHENOL CORP CL A 032095101 4,088,713 2,100,544 105.65 552,549 124.58 0.4445
2025-11-10 2025-09-30 13F AMPHENOL CORP CL A 032095101 1,988,169 -990,935 -33.26 246,036 -16.37 0.1998
2025-07-28 2025-06-30 13F AMPHENOL CORP CL A 032095101 2,979,104 -46,486 -1.54 294,187 48.24 0.2511
2025-05-07 2025-03-31 13F AMPHENOL CORP CL A 032095101 3,025,590 -268,518 -8.15 198,448 -13.26 0.1827
2025-02-11 2024-12-31 13F AMPHENOL CORP CL A 032095101 3,294,108 -479,203 -12.70 228,776 -6.75 0.2024
2024-11-01 2024-09-30 13F AMPHENOL CORP CL A 032095101 3,773,311 -664,607 -14.98 245,341 -17.94 0.2165
2024-08-02 2024-06-30 13F AMPHENOL CORP CL A 032095101 4,437,918 1,933,738 77.22 298,983 3.51 0.2788
2024-05-08 2024-03-31 13F AMPHENOL CORP CL A 032095101 2,504,180 517,104 26.02 288,857 46.64 0.2687
2024-02-12 2023-12-31 13F AMPHENOL CORP CL A 032095101 1,987,076 1,001,901 101.70 196,979 138.06 0.1937
2023-10-27 2023-09-30 13F AMPHENOL CORP CL A 032095101 985,175 16,050 1.66 82,745 0.51 0.1002
2023-08-09 2023-06-30 13F AMPHENOL CORP CL A 032095101 969,125 5,940 0.62 82,327 4.59 0.0938
2023-05-10 2023-03-31 13F AMPHENOL CORP CL A 032095101 963,185 15,520 1.64 78,711 9.09 0.0950
2023-02-07 2022-12-31 13F AMPHENOL CORP CL A 032095101 947,665 475 0.05 72,155 12.16 0.0890
2022-11-07 2022-09-30 13F AMPHENOL CORP CL A 032095101 947,190 109,999 13.14 64,333 19.36 0.0806
2022-08-04 2022-06-30 13F AMPHENOL CORP CL A 032095101 837,191 -510,899 -37.90 53,899 -46.94 0.0624
2022-05-10 2022-03-31 13F AMPHENOL CORP CL A 032095101 1,348,090 428,673 46.62 101,578 26.32 0.0600
2022-05-10 2022-03-31 13F AMPHENOL CORP CL A 032095101 868,374 65,432
2022-02-10 2021-12-31 13F AMPHENOL CORP CL A 032095101 919,417 244,564 36.24 80,412 62.71 0.0673
2021-11-09 2021-09-30 13F AMPHENOL CORP CL A 032095101 674,853 57,589 9.33 49,419 10.44 0.0513
2021-08-11 2021-06-30 13F AMPHENOL CORP CL A 032095101 617,264 33,557 5.75 44,746 16.20 0.0454
2021-05-14 2021-03-31 13F AMPHENOL CORP CL A 032095101 583,707 324,818 125.47 38,507 13.74 0.0430
2021-02-16 2020-12-31 13F AMPHENOL CORP CL A 032095101 258,889 39,327 17.91 33,855 42.42 0.0411
2020-11-10 2020-09-30 13F AMPHENOL CORP CL A 032095101 219,562 75,368 52.27 23,772 72.07 0.0330
2020-08-13 2020-06-30 13F AMPHENOL CORP CL A 032095101 144,194 -79,439 -35.52 13,815 -15.23 0.0197
2020-05-15 2020-03-31 13F AMPHENOL CORP CL A 032095101 223,633 -64,478 -22.38 16,298 -47.73 0.0276
2020-02-11 2019-12-31 13F AMPHENOL CORP CL A 032095101 288,111 -37,891 -11.62 31,183 -0.88 0.0453
2019-11-07 2019-09-30 13F AMPHENOL CORP CL A 032095101 326,002 -15,779 -4.62 31,459 -4.06 0.0481
2019-08-01 2019-06-30 13F AMPHENOL CORP CL A 032095101 341,781 21,474 6.70 32,790 8.40 0.0491
2019-05-08 2019-03-31 13F AMPHENOL CORP CL A 032095101 320,307 37,261 13.16 30,250 31.91 0.0462
2019-02-01 2018-12-31 13F AMPHENOL CORP CL A 032095101 283,046 41,074 16.97 22,933 0.80 0.0399
2018-11-01 2018-09-30 13F AMPHENOL CORP CL A 032095101 241,972 22,840 10.42 22,751 19.13 0.0337
2018-07-31 2018-06-30 13F AMPHENOL CORP CL A 032095101 219,132 -319 -0.15 19,097 1.04 0.0291
2018-05-11 2018-03-31 13F AMPHENOL CORP CL A 032095101 219,451 -58,689 -21.10 18,901 -22.60 0.0289
2018-02-02 2017-12-31 13F AMPHENOL CORP CL A 032095101 278,140 10,963 4.10 24,421 7.99 0.0356
2017-11-09 2017-09-30 13F AMPHENOL CORP CL A 032095101 267,177 -5,638 -2.07 22,614 12.29 0.0339
2017-08-01 2017-06-30 13F AMPHENOL CORP CL A 032095101 272,815 -60,287 -18.10 20,139 -15.05 0.0317
2017-05-05 2017-03-31 13F AMPHENOL CORP CL A 032095101 333,102 4,602 1.40 23,707 7.39 0.0378
2017-02-08 2016-12-31 13F AMPHENOL CORP CL A 032095101 328,500 -16,359 -4.74 22,075 -1.40 0.0372
2016-11-02 2016-09-30 13F AMPHENOL CORP CL A 032095101 344,859 17,746 5.43 22,388 19.38 0.0387
2016-08-04 2016-06-30 13F AMPHENOL CORP CL A 032095101 327,113 35,931 12.34 18,754 11.39 0.0340
2016-05-05 2016-03-31 13F AMPHENOL CORP CL A 032095101 291,182 20,946 7.75 16,836 19.29 0.0315
2016-02-04 2015-12-31 13F AMPHENOL CORP CL A 032095101 270,236 36,931 15.83 14,114 18.70 0.0280
2015-11-12 2015-09-30 13F AMPHENOL CORP CL A 032095101 233,305 9,959 4.46 11,890 -8.16 0.0234
2015-08-11 2015-06-30 13F AMPHENOL CORP CL A 032095101 223,346 39,952 21.78 12,947 19.79 0.0231
2015-04-28 2015-03-31 13F AMPHENOL CORP CL A 032095101 183,394 183,394 0.00 10,808 0.0195
2015-01-30 2014-12-31 13F AMPHENOL CORP CL A 032095101 0 -90,039 -100.00 0 -100.00
2014-11-06 2014-09-30 13F AMPHENOL CORP CL A 032095101 90,039 12,941 16.79 8,992 21.06 0.0155
2014-08-12 2014-06-30 13F AMPHENOL CORP CL A 032095101 77,098 -1,501 -1.91 7,428 3.11 0.0127
2014-05-09 2014-03-31 13F AMPHENOL CORP CL A 032095101 78,599 -4,702 -5.64 7,204 -3.03 0.0131
2014-02-07 2013-12-31 13F AMPHENOL CORP CL A 032095101 83,301 -3,778 -4.34 7,429 10.24 0.0139
2013-11-08 2013-09-30 13F AMPHENOL CORP CL A 032095101 87,079 -12,402 -12.47 6,739 -13.09 0.0134
2013-07-24 2013-06-30 13F AMPHENOL CORP CL A 032095101 99,481 99,481 7,754 0.0166
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.