# AMPHENOL CORP (APH) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 032095101
Page URL: https://superinvestorclub.com/stock/APH
Last updated: 2026-07-08T13:33:19.156Z

## Summary

As of the most recent 13F filing period, AMPHENOL CORP (APH) is held by 8 tracked superinvestors with an aggregate position value of $538.3M representing 0287135386304822536322308463135920030562352 shares.

## Top institutional holders (8)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [John Armitage](https://superinvestorclub.com/manager/66) | Egerton Capital | 2871353 | $362.8M | 4.03% | 2026-03-31 |
| 2 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 863048 | $109.0M | 0.49% | 2026-03-31 |
| 3 | [Jensen Investment Management](https://superinvestorclub.com/manager/93) | Jensen Investment Management | 225363 | $28.5M | 0.56% | 2026-03-31 |
| 4 | [Stephen Mandel](https://superinvestorclub.com/manager/61) | Lone Pine Capital | 223084 | $28.2M | 0.22% | 2026-03-31 |
| 5 | [Torray LLC](https://superinvestorclub.com/manager/3250) | Torray LLC | 63135 | $8.0M | 1.17% | 2026-03-31 |
| 6 | [Wallace Weitz](https://superinvestorclub.com/manager/82) | Weitz Investment Management | 9200 | $1.2M | 0.08% | 2026-03-31 |
| 7 | [David Katz](https://superinvestorclub.com/manager/79) | Matrix Asset Advisors | 3056 | $386,126 | 0.04% | 2026-03-31 |
| 8 | [FPA Queens Road](https://superinvestorclub.com/manager/97) | Bragg Financial Advisors | 2352 | $297,176 | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-06-30: 5 holders, $670.4M aggregate, 062119192800000907535291683056 shares
- 2024-09-30: 1 holders, $104.3M aggregate, 01600000 shares
- 2024-12-31: 2 holders, $7.5M aggregate, 01055783056 shares
- 2025-03-31: 4 holders, $287.7M aggregate, 0251759117626231035623056 shares
- 2025-06-30: 4 holders, $580.6M aggregate, 031684732612009963453056 shares
- 2025-09-30: 6 holders, $1.06B aggregate, 038234223023231869464735263817013056 shares
- 2025-12-31: 6 holders, $1.03B aggregate, 037079112809773798364230488641033056 shares
- 2026-03-31: 8 holders, $538.3M aggregate, 0287135386304822536322308463135920030562352 shares

## Recent congressional trades (13)

- 2025-04-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-15: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-10: Byron Donalds (Republican-FL) purchase $1,001 - $15,000
- 2025-04-09: Ro Khanna (Democrat-CA) purchase $15,001 - $50,000
- 2025-04-08: Rob Bresnahan (Republican-PA) purchase $1,001 - $15,000
- 2025-03-12: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-06: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-25: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-01-22: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-01-17: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-01-02: James Comer (Republican-KY) purchase $1,001 - $15,000
- 2024-11-12: Ro Khanna (Democrat-CA) sale $15,001 - $50,000
- 2024-10-29: Val Hoyle (Democrat-OR) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "AMPHENOL CORP (APH) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/APH), aggregating SEC 13F, Form 4, and congressional disclosures."
