APH — AMPHENOL CORP NEW

Ownership history in Cubist Systematic Strategies, LLC  ·  61 quarters on record

AI Ownership Summary

Cubist Systematic Strategies, LLC reported AMPHENOL CORP NEW (APH) in 61 quarterly 13F filings from 2024 Q1 through 2025 Q3. Peak portfolio weight reached 0.3% in 2025 Q2. The latest visible filing shows APH at 0.08% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this APH ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Cubist Systematic Strategies, LLC's position in AMPHENOL CORP NEW, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

APH was reported at 0.08% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.3% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

APH stock page Cubist Systematic Strategies, LLC fund profile Cubist Systematic Strategies, LLC full holdings
How Cubist Systematic Strategies, LLC held APH — position size vs. price
% of Fund (quarterly)    APH price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 18 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 137,100 -47,700 -25.8% 0.08% $17.0M 2025-11-14 (Est.) $133.22
2025 Q3 ADDED 184,800 +172,600 +1414.8% 0.11% $22.9M 2025-11-14 (Est.) $133.22
2025 Q2 REDUCED 12,200 -4,100 -25.2% 0.01% $1.2M 2025-08-14 $110.16
2025 Q2 REDUCED 16,300 -654,168 -97.6% 0.01% $1.6M 2025-08-14 $110.16
2025 Q2 ADDED 670,468 +661,468 +7349.6% 0.30% $66.2M 2025-08-14 $110.16
2025 Q1 REDUCED 9,000 -16,100 -64.1% 0.00% $590K 2025-05-15 $85.37
2025 Q1 REDUCED 25,100 -324,144 -92.8% 0.01% $1.6M 2025-05-15 $85.37
2024 Q4 ADDED 349,244 +325,144 +1349.1% 0.15% $24.3M 2025-02-14 $68.22
2024 Q4 REDUCED 24,100 -3,600 -13.0% 0.01% $1.7M 2025-02-14 $68.22
2024 Q4 REDUCED 27,700 -6,200 -18.3% 0.01% $1.9M 2025-02-14 $68.22
2024 Q3 REDUCED 33,900 -662,565 -95.1% 0.01% $2.2M 2024-11-14 $71.70
2024 Q3 ADDED 696,465 +613,165 +736.1% 0.28% $45.4M 2024-11-14 $71.70
2024 Q3 REDUCED 83,300 -222,238 -72.7% 0.03% $5.4M 2024-11-14 $71.70
2024 Q2 ADDED 305,538 +167,538 +121.4% 0.14% $20.6M 2024-08-14 $63.88
2024 Q2 ADDED 138,000 +30,700 +28.6% 0.06% $9.3M 2024-08-14 $63.88
2024 Q2 ADDED 107,300 +90,000 +520.2% 0.05% $7.2M 2024-08-14 $63.88
2024 Q1 REDUCED 17,300 -14,400 -45.4% 0.01% $2.0M 2024-05-15 $64.93
2024 Q1 REDUCED 31,700 -217,380 -87.3% 0.02% $3.7M 2024-05-15 $64.93
43 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding APH

As of 2026 Q1 — sorted by position size

JACOBSON & SCHMITT ADVISORS, LLC 3Y 7Y 5.5% Amanah Holdings Trust 5.32% DUDLEY & SHANLEY, INC. 3Y 7Y 5.08% AVITY INVESTMENT MANAGEMENT INC. 3Y 7Y 3.63% CARDEROCK CAPITAL MANAGEMENT INC 3Y 7Y 3.54% HALL LAURIE J TRUSTEE 3Y 7Y 2.67% PCB Capital LLC 2.17% COUNTRY TRUST BANK 3Y 7Y 1.51% Bouvel Investment Partners, LLC 3Y 1.21% NorthCrest Asset Manangement, LLC 3Y 0.96%

FAQ About Cubist Systematic Strategies, LLC and APH

These are the practical questions this page is built to answer before you even open the full history table.

How long has Cubist Systematic Strategies, LLC reported owning APH?

Cubist Systematic Strategies, LLC reported APH across 18 quarterly 13F filings, from 2024 Q1 through 2025 Q3.

What was the largest reported APH position in Cubist Systematic Strategies, LLC's portfolio?

The largest reported portfolio weight for APH was 0.30% in 2025 Q2.

What is the latest reported APH position on this page?

The most recent filing on this page is 2025 Q3, when Cubist Systematic Strategies, LLC reported 137,100 shares, equal to 0.08% of portfolio, with an estimated market value of $17.0M.

What does the chart on this APH ownership page compare?

The chart compares Cubist Systematic Strategies, LLC's quarterly APH portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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