Amphenol Corporation
US ˙ NYSE ˙ US0320951017

SecurityAPH / Amphenol Corporation
InstitutionTFC Financial Management
Latest Disclosed Ownership1,231 shares
Latest Disclosed Value $ 155,537
TFC Financial Management reports 22.63% decrease in ownership of APH / Amphenol Corporation

On April 23, 2026 - TFC Financial Management filed a 13F-HR form disclosing ownership of 1,231 shares of Amphenol Corporation (US:APH) valued at $155,537 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 1,591 shares of Amphenol Corporation. This represents a change in shares of -22.63% during the quarter. The current value of the position is $181,720 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)
2026-04-23 2026-03-31 13F AMPHENOL CL A 032095101 1,231 -360 -22.63 156 -27.91 0.0192
2026-01-23 2025-12-31 13F AMPHENOL CORP CL A 032095101 1,591 -1 -0.06 215 9.14 0.0270
2025-10-24 2025-09-30 13F AMPHENOL CORP CL A 032095101 1,592 -720 -31.14 197 -13.60 0.0252
2025-07-29 2025-06-30 13F AMPHENOL CORP CL A 032095101 2,312 -575 -19.92 228 20.63 0.0313
2025-04-24 2025-03-31 13F AMPHENOL CORP CL A 032095101 2,887 -435 -13.09 189 -17.83 0.0290
2025-01-29 2024-12-31 13F AMPHENOL CORP CL A 032095101 3,322 -219 -6.18 231 0.00 0.0365
2024-10-25 2024-09-30 13F AMPHENOL CORP CL A 032095101 3,541 123 3.60 231 0.00 0.0365
2024-07-23 2024-06-30 13F AMPHENOL CORP CL A 032095101 3,418 1,714 100.59 230 17.35 0.0404
2024-04-30 2024-03-31 13F AMPHENOL CORP CL A 032095101 1,704 3 0.18 197 16.67 0.0349
2024-01-25 2023-12-31 13F AMPHENOL CORP CL A 032095101 1,701 6 0.35 169 18.31 0.0341
2023-10-23 2023-09-30 13F AMPHENOL CORP CL A 032095101 1,695 0 0.00 142 -0.70 0.0340
2023-08-07 2023-06-30 13F AMPHENOL CORP CL A 032095101 1,695 -10 -0.59 144 2.88 0.0354
2023-05-08 2023-03-31 13F AMPHENOL CORP CL A 032095101 1,705 -50 -2.85 139 4.51 0.0360
2023-02-13 2022-12-31 13F AMPHENOL CORP CL A 032095101 1,755 0 0.00 134 12.71 0.0385
2022-10-21 2022-09-30 13F AMPHENOL CORP CL A 032095101 1,755 -1,468 -45.55 118 -43.00 0.0374
2022-08-03 2022-06-30 13F AMPHENOL CORP CL A 032095101 3,223 1,255 63.77 207 39.86 0.0617
2022-05-04 2022-03-31 13F AMPHENOL CORP CL A 032095101 1,968 394 25.03 148 7.25 0.0422
2022-02-02 2021-12-31 13F AMPHENOL CORP CL A 032095101 1,574 595 60.78 138 91.67 0.0419
2021-11-02 2021-09-30 13F AMPHENOL CORP CL A 032095101 979 225 29.84 72 38.46 0.0239
2021-07-29 2021-06-30 13F AMPHENOL CORP CL A 032095101 754 18 2.45 52 6.12 0.0178
2021-05-03 2021-03-31 13F AMPHENOL CORP CL A 032095101 736 -560 -43.21 49 -71.01 0.0194
2021-02-10 2020-12-31 13F AMPHENOL CORP CL A 032095101 1,296 248 23.66 169 49.56 0.0714
2020-11-12 2020-09-30 13F AMPHENOL CORP CL A 032095101 1,048 1,048 113 0.0559
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.