Amphenol Corporation
US ˙ NYSE ˙ US0320951017

SecurityAPH / Amphenol Corporation
InstitutionVident Advisory, LLC
Latest Disclosed Ownership87,981 shares
Latest Disclosed Value $ 11,116,407
Vident Advisory, LLC reports 19.30% increase in ownership of APH / Amphenol Corporation

On May 14, 2026 - Vident Advisory, LLC filed a 13F-HR form disclosing ownership of 87,981 shares of Amphenol Corporation (US:APH) valued at $11,116,399 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 18, 2026 disclosing 73,750 shares of Amphenol Corporation. This represents a change in shares of 19.30% during the quarter. The current value of the position is $12,987,755 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)
2026-05-14 2026-03-31 13F AMPHENOL CL A 032095101 87,981 14,231 19.30 11,116 11.54 0.0301
2026-02-18 2025-12-31 13F AMPHENOL CORP CL A 032095101 73,750 2,201 3.08 9,967 12.56 0.0907
2025-11-14 2025-09-30 13F AMPHENOL CORP CL A 032095101 71,549 2,691 3.91 8,854 30.23 0.0846
2025-08-14 2025-06-30 13F AMPHENOL CORP CL A 032095101 68,858 5,443 8.58 6,800 63.48 0.0763
2025-05-15 2025-03-31 13F AMPHENOL CORP CL A 032095101 63,415 13,932 28.16 4,159 21.04 0.0608
2025-02-14 2024-12-31 13F AMPHENOL CORP CL A 032095101 49,483 2,975 6.40 3,437 13.40 0.0603
2024-11-14 2024-09-30 13F AMPHENOL CORP CL A 032095101 46,508 8,289 21.69 3,031 17.72 0.0763
2024-08-14 2024-06-30 13F AMPHENOL CORP CL A 032095101 38,219 -3,921 -9.30 2,575 -47.04 0.0711
2024-05-14 2024-03-31 13F AMPHENOL CORP CL A 032095101 42,140 5,159 13.95 4,861 32.61 0.1013
2024-02-14 2023-12-31 13F AMPHENOL CORP CL A 032095101 36,981 5,958 19.21 3,666 40.69 0.0921
2024-02-21 2023-09-30 13F/A-01 AMPHENOL CORP CL A 032095101 31,023 31,023 2,606 0.0807
2023-11-14 2023-09-30 13F AMPHENOL CORP CL A 032095101 31,023 31,023 2,606 0.0650
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.