Amphenol Corporation
US ˙ NYSE ˙ US0320951017

SecurityAPH / Amphenol Corporation
InstitutionMonetary Management Group Inc
Latest Disclosed Ownership16,090 shares
Latest Disclosed Value $ 2,032,971
Monetary Management Group Inc reports 17.02% increase in ownership of APH / Amphenol Corporation

On May 13, 2026 - Monetary Management Group Inc filed a 13F-HR form disclosing ownership of 16,090 shares of Amphenol Corporation (US:APH) valued at $2,032,972 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 13,750 shares of Amphenol Corporation. This represents a change in shares of 17.02% during the quarter. The current value of the position is $2,375,206 USD.

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 Amphenol Corp Cl A COM 032095101 16,090 2,340 17.02 2,033 9.36 0.4855
2026-02-11 2025-12-31 13F Amphenol COM 032095101 13,750 0 0.00 1,858 9.23 0.4296
2025-11-12 2025-09-30 13F Amphenol COM 032095101 13,750 -100 -0.72 1,702 24.43 0.3907
2025-08-14 2025-06-30 13F Amphenol COM 032095101 13,850 0 0.00 1,368 50.55 0.3366
2025-05-14 2025-03-31 13F Amphenol COM 032095101 13,850 6,450 87.16 908 77.00 0.2455
2025-02-13 2024-12-31 13F Amphenol COM 032095101 7,400 0 0.00 514 6.43 0.1335
2024-11-13 2024-09-30 13F Amphenol COM 032095101 7,400 0 0.00 482 -3.21 0.1239
2024-07-16 2024-06-30 13F Amphenol COM 032095101 7,400 3,700 100.00 499 16.90 0.1318
2024-05-13 2024-03-31 13F Amphenol COM 032095101 3,700 0 0.00 427 16.39 0.1189
2024-02-14 2023-12-31 13F Amphenol COM 032095101 3,700 0 0.00 367 18.06 0.1144
2023-11-09 2023-09-30 13F Amphenol COM 032095101 3,700 -11,525 -75.70 311 -76.02 0.1036
2023-08-11 2023-06-30 13F Amphenol COM 032095101 15,225 -4,100 -21.22 1,293 -18.11 0.3964
2023-05-11 2023-03-31 13F Amphenol COM 032095101 19,325 0 0.00 1,579 7.34 0.4647
2023-02-13 2022-12-31 13F Amphenol COM 032095101 19,325 -100 -0.51 1,471 13.07 0.4595
2022-11-14 2022-09-30 13F Amphenol COM 032095101 19,425 0 0.00 1,301 4.00 0.4288
2022-08-11 2022-06-30 13F Amphenol COM 032095101 19,425 0 0.00 1,251 -14.55 0.3921
2022-05-12 2022-03-31 13F Amphenol COM 032095101 19,425 0 0.00 1,464 -13.83 0.3878
2022-02-14 2021-12-31 13F Amphenol COM 032095101 19,425 800 4.30 1,699 24.56 0.4203
2021-11-12 2021-09-30 13F Amphenol COM 032095101 18,625 2,600 16.22 1,364 24.45 0.3751
2021-08-12 2021-06-30 13F Amphenol COM 032095101 16,025 -7,925 -33.09 1,096 -30.63 0.3303
2021-05-17 2021-03-31 13F Amphenol COM 032095101 23,950 11,775 96.71 1,580 -0.75 0.4970
2021-02-12 2020-12-31 13F Amphenol COM 032095101 12,175 370 3.13 1,592 24.57 0.5246
2020-11-12 2020-09-30 13F Amphenol COM 032095101 11,805 -50 -0.42 1,278 12.50 0.4553
2020-08-13 2020-06-30 13F Amphenol COM 032095101 11,855 -100 -0.84 1,136 30.42 0.4293
2020-05-14 2020-03-31 13F Amphenol COM 032095101 11,955 -125 -1.03 871 -33.36 0.3855
2020-02-13 2019-12-31 13F Amphenol COM 032095101 12,080 -600 -4.73 1,307 6.78 0.4777
2019-11-12 2019-09-30 13F Amphenol COM 032095101 12,680 0 0.00 1,224 0.58 0.4634
2019-08-13 2019-06-30 13F Amphenol COM 032095101 12,680 0 0.00 1,217 1.67 0.4674
2019-05-14 2019-03-31 13F Amphenol COM 032095101 12,680 11,480 956.67 1,197 1,134.02 0.4739
2019-02-13 2018-12-31 13F Amphenol COM 032095101 1,200 0 0.00 97 -14.16 0.0438
2018-11-13 2018-09-30 13F Amphenol COM 032095101 1,200 0 0.00 113 7.62 0.0432
2018-08-13 2018-06-30 13F Amphenol COM 032095101 1,200 0 0.00 105 1.94 0.0428
2018-05-14 2018-03-31 13F Amphenol COM 032095101 1,200 0 0.00 103 -1.90 0.0427
2018-02-14 2017-12-31 13F Amphenol COM 032095101 1,200 0 0.00 105 2.94 0.0423
2017-11-13 2017-09-30 13F Amphenol COM 032095101 1,200 0 0.00 102 14.61 0.0430
2017-08-14 2017-06-30 13F Amphenol COM 032095101 1,200 0 0.00 89 4.71 0.0364
2017-05-15 2017-03-31 13F Amphenol COM 032095101 1,200 0 0.00 85 4.94 0.0370
2017-02-13 2016-12-31 13F Amphenol COM 032095101 1,200 0 0.00 81 3.85 0.0374
2016-11-10 2016-09-30 13F Amphenol COM 032095101 1,200 0 0.00 78 13.04 0.0361
2016-08-12 2016-06-30 13F Amphenol COM 032095101 1,200 0 0.00 69 0.00 0.0321
2016-05-11 2016-03-31 13F Amphenol COM 032095101 1,200 0 0.00 69 9.52 0.0335
2016-02-11 2015-12-31 13F Amphenol COM 032095101 1,200 0 0.00 63 3.28 0.0302
2015-11-25 2015-09-30 13F Amphenol COM 032095101 1,200 0 0.00 61 -12.86 0.0305
2015-08-11 2015-06-30 13F Amphenol COM 032095101 1,200 0 0.00 70 -1.41 0.0316
2015-05-12 2015-03-31 13F Amphenol COM 032095101 1,200 400 50.00 71 65.12 0.0313
2015-02-12 2014-12-31 13F Amphenol COM 032095101 800 400 100.00 43 7.50 0.0191
2014-11-06 2014-09-30 13F Amphenol COM 032095101 400 0 0.00 40 2.56 0.0185
2014-08-12 2014-06-30 13F Amphenol COM 032095101 400 400 39 0.0182
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.