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Security record · archived quarter

APH

Amphenol Corporation · Technology · Hardware, Equipment & Parts

79.35 -2.6% mkt cap $195.67B quote delayed (FMP) · as of Oct 16 22:08 UTC · separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
15Tracked holders
-4Δ holders
110.77MShares held
$7.21BReported value
+0New positions
−4Exits
Strongly Falling Conviction score 20/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -21.1% · share flow -12.9% · net new positions -20.0% · formula
Broad distribution: falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 175 -1 914.30M $160.48B +5 −7
Q1 2026 180 0 922.10M $116.20B +5 −6
Q4 2025 179 +1 958.01M $129.47B +2 n/a
Q3 2025 23 +2 552.69M $68.39B +2 −1
Q2 2025 19 +3 519.80M $51.33B +3 n/a
Q1 2025 13 -2 165.29M $10.84B n/a −2
Q4 2024 15 -1 179.86M $12.50B n/a −1
Q3 2024 15 -4 110.77M $7.21B n/a −4
Q2 2024 19 n/a 127.19M $8.56B n/a n/a
Holder count
Who holds it · Q3 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 T. Rowe Price ✦ 43.07M -26.3% $2.81B 0.3% ▼ Trim 2 SEC ↗ ×2
2 Geode Capital Management ✦ (passive) 24.67M +2.3% $1.60B 0.1% ▲ Add 2 SEC ↗ ×2
3 Norges Bank ✦ (passive) 19.38M -7.0% $1.26B 0.2% ▼ Trim 2 SEC ↗
4 Citadel Advisors ✦ 5.13M +204.3% $334.31M 0.4% ▲ Add 2 SEC ↗ ×2
5 Arrowstreet Capital ✦ 3.31M +27.2% $215.80M 0.2% ▲ Add 2 SEC ↗
6 Millennium Management ✦ 2.89M -12.7% $188.37M 0.2% ▼ Trim 2 SEC ↗
7 D. E. Shaw & Co. ✦ 2.64M +438.0% $172.03M 0.2% ▲ Add 2 SEC ↗ ×2
8 Two Sigma Investments ✦ 2.41M +29294.1% $157.06M 0.4% ▲ Add 2 SEC ↗
9 Point72 Asset Management ✦ 2.21M +151.7% $144.05M 0.5% ▲ Add 2 SEC ↗
10 Third Point ✦ 1.60M -42.9% $104.26M 1.4% ▼ Trim 2 SEC ↗
11 Adage Capital Partners ✦ 1.42M +44.9% $92.70M 0.2% ▲ Add 2 SEC ↗
12 Wellington Management ✦ 974.27K -48.1% $63.48M 0.0% ▼ Trim 2 SEC ↗ ×3
13 AQR Capital Management ✦ 787.12K +35.9% $50.86M 0.1% ▲ Add 2 SEC ↗ ×4
14 Gotham Asset Management ✦ 139.33K -1.0% $9.08M 0.1% ▼ Trim 2 SEC ↗
15 Marshall Wace ✦ 126.70K -25.8% $8.26M 0.0% ▼ Trim 2 SEC ↗ ×2

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

Coatue Management $418.50M was 1.6%
Altimeter Capital $136.44M was 2.0%
Bridgewater Associates $1.97M was 0.0%
Fisher Asset Management $254,479 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2,099 holders, 1.10B shares, $133.08B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q3 2024 · Methodology · Get this via the API