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APHInformation TechnologyCommon Stock

Amphenol Corp (Class A)

Held by 19 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 032095101 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 19 of the investors we track own this stock. In the latest quarter, 6 of them bought more of it and 13 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
19
-1 vs last quarter (like-for-like)
Total value held
$6.00B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.9%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$510.60M
+24.3% vs last quarter
Net shares bought
-1.8M
Est. net flow -$309.52M
Quarter activity
6 bought · 13 sold
1 new · 2 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns APH?

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Who owns APH? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Norges Bank Norges Bank Investment Management 19.19M $3.38B 0.3% — — — —
2 John Armitage Egerton Capital (UK) 4.87M $858.09M 8.3% Added +2.0M +69.5% +$351.82M
3 Mawer Mawer Investment Management 2.36M $415.81M 2.8% Reduced -1.6M -40.8% -$287.13M
4 Ron Baron Baron Capital (BAMCO) 1.60M $281.77M 0.4% Reduced -61.6K -3.7% -$10.87M
5 Select Equity Group Select Equity Group 1.25M $220.39M 1.2% Added +50.0K +4.2% +$8.82M
6 Israel Englander Millennium Management 838.25K $147.80M 0.1% Reduced -1.5M -63.9% -$261.42M
7 Ken Griffin Citadel Advisors 783.63K $138.17M 0.1% Reduced -253.2K -24.4% -$44.64M
8 Sands Capital Sands Capital Management 763.95K $134.70M 0.5% Reduced -41.7K -5.2% -$7.34M
9 Ray Dalio Bridgewater Associates 697.61K $123.00M 0.5% Reduced -165.4K -19.2% -$29.17M
10 Steve Cohen Point72 Asset Management 618.89K $109.12M 0.2% New +618.9K — +$109.12M
11 David Shaw D.E. Shaw & Co. 371.98K $65.59M 0.0% Added +60.9K +19.6% +$10.74M
12 Tom Marsico Marsico Capital Management 198.78K $35.05M 0.9% Held 0 0.0% $0
13 Jim Simons Renaissance Technologies 152.00K $26.80M 0.0% Reduced -422.1K -73.5% -$74.42M
14 Fred Alger Fred Alger Management 130.34K $23.02M 0.1% Reduced -31.5K -19.5% -$5.57M
15 Two Sigma Two Sigma Investments 77.11K $13.60M 0.0% Reduced -213.5K -73.5% -$37.64M
16 Torray Torray Investment Partners 59.23K $10.44M 1.4% Reduced -3.9K -6.2% -$687.65K
17 Mario Gabelli GAMCO Investors 47.34K $8.35M 0.1% Reduced -3.2K -6.4% -$570.57K
18 Jeremy Grantham GMO 13.25K $2.34M 0.0% Added +760 +6.1% +$134.00K
19 Ken Fisher Fisher Asset Management 7.68K $1.35M 0.0% Added +2.1K +37.7% +$370.46K

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Stephen Mandel Lone Pine Capital -223.1K $28.19M
Bridgeway Bridgeway Capital Management -22.7K $2.87M

Politician trades

Politician trades in APH

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Politician Date Ticker Asset Type Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. Est. size ⓘOur estimate only: the midpoint of the reported range. Owner Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. Filed ↓ Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. Source
Gil Cisneros Politician Aug 18, 2026 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self 150 Main Street Trust > Bank of America Sep 10, 2026 23 days PTR ↗
Dan Newhouse Politician Jul 10, 2026 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Edward Jones IRA Jul 17, 2026 7 days PTR ↗
Rick Larsen Politician Jul 8, 2026 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self Richard R Larsen IRA Jul 12, 2026 4 days PTR ↗
Michael T. McCaul Politician May 26, 2026 APH AMPHENOL CORP CLASS A scanned Purchase $15,001 - $50,000 Est. $32,500 (midpoint of reported range $15,001–$50,000) Spouse — Jun 10, 2026 15 days PTR ↗
Michael T. McCaul Politician May 22, 2026 APH AMPHENOL CORP CLASS A scanned Purchase $15,001 - $50,000 Est. $32,500 (midpoint of reported range $15,001–$50,000) Spouse — Jun 10, 2026 19 days PTR ↗
Ro Khanna Politician May 27, 2026 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse — Jun 9, 2026 13 days PTR ↗
Val T. Hoyle Politician Sep 23, 2025 APH Amphenol Corporation Common Stock (APH) [ST] Sale $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Fidelity Rollover IRA Oct 10, 2025 17 days PTR ↗
Val T. Hoyle Politician Oct 29, 2024 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Fidelity Rollover IRA Sep 12, 2025 318 days Late PTR ↗
Byron Donalds Politician Apr 10, 2025 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self Moran Wealth IRA May 24, 2025 44 days PTR ↗
Byron Donalds Politician Apr 10, 2025 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse Moran Wealth IRA May 24, 2025 44 days PTR ↗
Ro Khanna Politician Apr 15, 2025 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) — — May 12, 2025 27 days PTR ↗
Ro Khanna Politician Apr 9, 2025 APH (NEW) AMPHENOL CORP CL-A CMIN CLASS A scanned Purchase $15,001 - $50,000 Est. $32,500 (midpoint of reported range $15,001–$50,000) — — May 12, 2025 33 days PTR ↗
Ro Khanna Politician Apr 23, 2025 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Spouse — May 12, 2025 19 days PTR ↗
Robert P. Bresnahan, Jr. Politician Apr 8, 2025 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self JP Morgan Brokerage Account May 8, 2025 30 days PTR ↗
Ro Khanna Politician Mar 12, 2025 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) — — Apr 10, 2025 29 days PTR ↗
Ro Khanna Politician Mar 6, 2025 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) — — Apr 10, 2025 35 days PTR ↗
Ro Khanna Politician Feb 25, 2025 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) — — Mar 6, 2025 9 days PTR ↗
Ro Khanna Politician Jan 22, 2025 APH CLASS AMPHENOL CORP CL-A (NEW) CMN A scanned Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Child — Feb 6, 2025 15 days PTR ↗
Ro Khanna Politician Jan 17, 2025 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) — — Feb 6, 2025 20 days PTR ↗
James Comer Politician Jan 2, 2025 APH Amphenol Corporation Common Stock (APH) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self — Jan 10, 2025 8 days PTR ↗
Ro Khanna Politician Nov 12, 2024 APH AMPHENOL CORP CL-A (NEW) CMIN scanned Sale $15,001 - $50,000 Est. $32,500 (midpoint of reported range $15,001–$50,000) Spouse — Dec 5, 2024 23 days PTR ↗
Josh Gottheimer Politician Sep 27, 2024 APH Amphenol Corporation Common Stock (APH) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Joint Morgan Stanley - Select UMA Account # 1 Oct 3, 2024 6 days PTR ↗
Josh Gottheimer Politician Jul 1, 2024 APH Amphenol Corporation Common Stock (APH) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Joint Morgan Stanley - Select UMA Account # 1 Aug 15, 2024 45 days PTR ↗
Josh Gottheimer Politician Jan 25, 2024 APH Amphenol Corporation Common Stock (APH) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Joint Morgan Stanley - Select UMA Account # 1 Feb 15, 2024 21 days PTR ↗
Ro Khanna Politician Jan 10, 2024 APH AMPHENOL CORP CL-A (NEW) CMN CLASS A scanned Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) — — Feb 5, 2024 26 days PTR ↗