安費諾公司
MX ˙ BMV ˙ US0320951017
SecurityMX:APH / Amphenol Corporation
InstitutionCIBC Asset Management Inc
Latest Disclosed Ownership369,523 shares
Latest Disclosed Value $ 46,689,231
CIBC Asset Management Inc reports 0.83% increase in ownership of APH / Amphenol Corporation

On May 12, 2026 - CIBC Asset Management Inc filed a 13F-HR form disclosing ownership of 369,523 shares of Amphenol Corporation (MX:APH) valued at $46,689,231 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 366,464 shares of Amphenol Corporation. This represents a change in shares of 0.83% 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)
2026-05-12 2026-03-31 13F AMPHENOL CL A 032095101 369,523 3,059 0.83 46,689 -5.72 0.1141
2026-02-10 2025-12-31 13F AMPHENOL CORP CL A 032095101 366,464 180,430 96.99 49,524 115.12 0.1196
2025-10-31 2025-09-30 13F AMPHENOL CORP CL A 032095101 186,034 -575 -0.31 23,022 24.93 0.0667
2025-08-14 2025-06-30 13F AMPHENOL CORP CL A 032095101 186,609 -20,327 -9.82 18,428 35.77 0.0570
2025-05-13 2025-03-31 13F AMPHENOL CORP CL A 032095101 206,936 -6,465 -3.03 13,573 -8.42 0.0451
2025-01-31 2024-12-31 13F AMPHENOL CORP CL A 032095101 213,401 8,490 4.14 14,821 10.99 0.0486
2024-11-06 2024-09-30 13F AMPHENOL CORP CL A 032095101 204,911 12,166 6.31 13,352 2.83 0.0433
2024-08-01 2024-06-30 13F AMPHENOL CORP CL A 032095101 192,745 90,213 87.99 12,985 9.79 0.0462
2024-05-09 2024-03-31 13F AMPHENOL CORP CL A 032095101 102,532 2,263 2.26 11,827 19.00 0.0410
2024-02-13 2023-12-31 13F AMPHENOL CORP CL A 032095101 100,269 -3,322 -3.21 9,940 14.24 0.0371
2023-10-30 2023-09-30 13F AMPHENOL CORP CL A 032095101 103,591 -941 -0.90 8,701 -2.02 0.0361
2023-08-14 2023-06-30 13F AMPHENOL CORP CL A 032095101 104,532 -857 -0.81 8,880 3.10 0.0341
2023-05-12 2023-03-31 13F AMPHENOL CORP CL A 032095101 105,389 4,354 4.31 8,612 11.96 0.0342
2023-02-13 2022-12-31 13F AMPHENOL CORP CL A 032095101 101,035 5,160 5.38 7,693 19.81 0.0323
2022-11-03 2022-09-30 13F AMPHENOL CORP CL A 032095101 95,875 6,565 7.35 6,420 11.65 0.0282
2022-08-09 2022-06-30 13F AMPHENOL CORP CL A 032095101 89,310 15,812 21.51 5,750 3.83 0.0233
2022-05-06 2022-03-31 13F AMPHENOL CORP CL A 032095101 73,498 956 1.32 5,538 -12.72 0.0194
2022-02-08 2021-12-31 13F AMPHENOL CORP CL A 032095101 72,542 3,022 4.35 6,345 24.63 0.0232
2021-11-09 2021-09-30 13F AMPHENOL CORP CL A 032095101 69,520 1,938 2.87 5,091 10.12 0.0205
2021-08-16 2021-06-30 13F AMPHENOL CORP CL A 032095101 67,582 1,331 2.01 4,623 5.77 0.0187
2021-05-14 2021-03-31 13F AMPHENOL CORP CL A 032095101 66,251 33,421 101.80 4,371 1.82 0.0186
2021-02-03 2020-12-31 13F AMPHENOL CORP CL A 032095101 32,830 -24 -0.07 4,293 20.69 0.0202
2020-11-05 2020-09-30 13F AMPHENOL CORP CL A 032095101 32,854 811 2.53 3,557 15.86 0.0181
2020-07-28 2020-06-30 13F AMPHENOL CORP CL A 032095101 32,043 6,087 23.45 3,070 62.26 0.0180
2020-04-30 2020-03-31 13F AMPHENOL CORP CL A 032095101 25,956 -2,037 -7.28 1,892 -37.56 0.0134
2020-02-14 2019-12-31 13F AMPHENOL CORP CL A 032095101 27,993 -1,088 -3.74 3,030 7.98 0.0171
2019-10-30 2019-09-30 13F AMPHENOL CORP CL A 032095101 29,081 -736 -2.47 2,806 -1.92 0.0165
2019-08-05 2019-06-30 13F AMPHENOL CORP CL A 032095101 29,817 -628 -2.06 2,861 -0.49 0.0171
2019-05-06 2019-03-31 13F AMPHENOL CORP CL A 032095101 30,445 -784 -2.51 2,875 13.64 0.0178
2019-02-12 2018-12-31 13F AMPHENOL CORP CL A 032095101 31,229 -441 -1.39 2,530 -15.04 0.0186
2018-11-02 2018-09-30 13F AMPHENOL CORP CL A 032095101 31,670 -218 -0.68 2,978 7.16 0.0184
2018-08-09 2018-06-30 13F AMPHENOL CORP CL A 032095101 31,888 773 2.48 2,779 3.69 0.0173
2018-04-30 2018-03-31 13F AMPHENOL CORP CL A 032095101 31,115 -1,541 -4.72 2,680 -6.52 0.0174
2018-02-02 2017-12-31 13F AMPHENOL CORP CL A 032095101 32,656 2,640 8.80 2,867 12.83 0.0175
2017-11-06 2017-09-30 13F AMPHENOL CORP CL A 032095101 30,016 575 1.95 2,541 16.94 0.0159
2017-07-27 2017-06-30 13F AMPHENOL CORP CL A 032095101 29,441 -43 -0.15 2,173 3.57 0.0150
2017-05-12 2017-03-31 13F AMPHENOL CORP CL A 032095101 29,484 -266 -0.89 2,098 4.95 0.0144
2017-02-08 2016-12-31 13F AMPHENOL CORP CL A 032095101 29,750 506 1.73 1,999 5.27 0.0144
2016-10-19 2016-09-30 13F AMPHENOL CORP CL A 032095101 29,244 -2,431 -7.67 1,899 4.57 0.0140
2016-08-02 2016-06-30 13F AMPHENOL CORP CL A 032095101 31,675 1,482 4.91 1,816 4.01 0.0137
2016-05-09 2016-03-31 13F AMPHENOL CORP CL A 032095101 30,193 545 1.84 1,746 12.72 0.0131
2016-02-02 2015-12-31 13F AMPHENOL CORP CL A 032095101 29,648 -39,508 -57.13 1,549 -56.04 0.0128
2015-11-03 2015-09-30 13F AMPHENOL CORP CL A 032095101 69,156 1,029 1.51 3,524 -10.76 0.0282
2015-08-06 2015-06-30 13F AMPHENOL CORP CL A 032095101 68,127 1,749 2.63 3,949 0.95 0.0275
2015-05-08 2015-03-31 13F AMPHENOL CORP CL A 032095101 66,378 -146 -0.22 3,912 9.27 0.0278
2015-02-10 2014-12-31 13F AMPHENOL CORP CL A 032095101 66,524 29,714 80.72 3,580 -2.61 0.0239
2014-11-05 2014-09-30 13F AMPHENOL CORP CL A 032095101 36,810 10 0.03 3,676 3.70 0.0219
2014-08-01 2014-06-30 13F AMPHENOL CORP CL A 032095101 36,800 -877 -2.33 3,545 2.66 0.0201
2014-05-09 2014-03-31 13F AMPHENOL CORP CL A 032095101 37,677 1,696 4.71 3,453 7.60 0.0204
2014-02-04 2013-12-31 13F AMPHENOL CORP CL A 032095101 35,981 5,798 19.21 3,209 37.37 0.0197
2013-10-29 2013-09-30 13F AMPHENOL CORP CL A 032095101 30,183 223 0.74 2,336 0.04 0.0149
2013-10-02 2013-06-30 13F/A-1 AMPHENOL CORP CL A 032095101 29,960 29,960 2,335 0.0159
2013-08-09 2013-06-30 13F AMPHENOL CORP CL A 032095101 29,960 2,335 0.0159
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.