Ticker · CUSIP 032095101

APH

AMPHENOL CORP NEW
Technology·Electronic Components
···Share
Holders (tracked)
24
Combined shares
87,769,560
Combined value
$11.86B
Last close
$151.06
Quarter
2025Q4
Price · 1Y$151.06+86.46 (+133.83%)H $165.92 · L $63.14 · Avg Vol 8.8M
Congress sell
$60.00$80.00$100.00$120.00$140.00$160.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
24162024Q12025Q4
Price is +11.8% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. Ron Baron (Baron Capital / BAMCO) trimmed2026-02-17
    −178,788 shares · 2025Q4
    Position
  2. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −1,585,041 shares · 2025Q4
    Position
  3. D.E. Shaw & Co. trimmed2026-02-17
    −1,690,383 shares · 2025Q4
    Position
  4. Two Sigma Investments trimmed2026-02-17
    −115,953 shares · 2025Q4
    Position
  5. AQR Capital Management trimmed2026-02-17
    −222,851 shares · 2025Q4
    Position
  6. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −742,402 shares · 2025Q4
    Position
  7. Steve Cohen (Point72) added2026-02-17
    +1,020,208 shares · 2025Q4
    Position
  8. T. Rowe Price trimmed2026-02-17
    −6,148,762 shares · 2025Q4
    Position
  9. Jeremy Grantham (GMO) added2026-02-17
    +36 shares · 2025Q4
    Position
  10. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +35,800 shares · 2025Q4
    Position
  11. Stephen Mandel (Lone Pine Capital) trimmed2026-02-17
    −213,458 shares · 2025Q4
    Position
  12. Wellington Management added2026-02-17
    +3,576,596 shares · 2025Q4
    Position
  13. Ray Dalio (Bridgewater Associates) added2026-02-13
    +63,101 shares · 2025Q4
    Position
  14. Sands Capital Management added2026-02-13
    +83,770 shares · 2025Q4
    Position
  15. Norges Bank (Norway SWF) opened position2026-02-10
    +22,585,063 shares · 2025Q4
    Position
  16. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +1,537 shares · 2025Q4
    Position
  17. Mario Gabelli (GAMCO) opened position2026-02-05
    +36,366 shares · 2025Q4
    Position
  18. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −437,471 shares · 2025Q3
    Position
  19. Steve Cohen (Point72) trimmed2025-11-14
    −1,093,931 shares · 2025Q3
    Position
  20. Two Sigma Investments trimmed2025-11-14
    −1,667,973 shares · 2025Q3
    Position
  21. D.E. Shaw & Co. trimmed2025-11-14
    −2,418,745 shares · 2025Q3
    Position
  22. AQR Capital Management added2025-11-14
    +716,889 shares · 2025Q3
    Position
  23. Stephen Mandel (Lone Pine Capital) opened position2025-11-14
    +3,023,231 shares · 2025Q3
    Position
  24. T. Rowe Price added2025-11-14
    +2,398,815 shares · 2025Q3
    Position
  25. Wellington Management trimmed2025-11-14
    −1,520,468 shares · 2025Q3
    Position
  26. Ron Baron (Baron Capital / BAMCO) added2025-11-14
    +500 shares · 2025Q3
    Position
  27. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −352,152 shares · 2025Q3
    Position
  28. Norges Bank (Norway SWF) exited2025-11-13
    −21,308,798 shares · 2025Q3
    Position
  29. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +735,263 shares · 2025Q3
    Position
  30. Jeremy Grantham (GMO) opened position2025-11-13
    +10,261 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for APH →
Follow-the-investor returns
If you'd copied each holder of APH…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Jeremy Grantham (GMO)2016Q1$63.50+137.9%$1.6M
Sands Capital Management2025Q1$72.57+108.2%$132.8M
Ron Baron (Baron Capital / BAMCO)2019Q2$75.33+100.5%$258.4M
AQR Capital Management2016Q1$76.75+96.8%$542.0M
T. Rowe Price2016Q1$78.24+93.1%$5.73B
Wellington Management2016Q1$85.76+76.1%$1.88B
Ken Fisher (Fisher Asset Mgmt)2016Q1$89.70+68.4%$867K
Two Sigma Investments2018Q2$97.90+54.3%$16.9M
Paul Tudor Jones (Tudor Investment)2016Q2$98.13+53.9%$1.5M
Paul Tudor Jones (Tudor Investment)2016Q2$98.13+53.9%$1.5M
D.E. Shaw & Co.2016Q3$98.64+53.1%$54.3M
Ken Griffin (Citadel Advisors)2016Q1$122.46+23.4%$79.0M
Ken Griffin (Citadel Advisors)2016Q1$122.46+23.4%$79.0M
Ken Griffin (Citadel Advisors)2016Q1$122.46+23.4%$79.0M
Ray Dalio (Bridgewater Associates)2016Q2$122.63+23.2%$120.6M
Stephen Mandel (Lone Pine Capital)2025Q3$123.75+22.1%$424.4M
Steve Cohen (Point72)2018Q1$133.78+12.9%$184.3M
Steve Cohen (Point72)2018Q1$133.78+12.9%$184.3M
Steve Cohen (Point72)2018Q1$133.78+12.9%$184.3M
Izzy Englander (Millennium Mgmt)2016Q1$134.52+12.3%$199.8M
Izzy Englander (Millennium Mgmt)2016Q1$134.52+12.3%$199.8M
Izzy Englander (Millennium Mgmt)2016Q1$134.52+12.3%$199.8M
Mario Gabelli (GAMCO)2025Q4$135.14+11.8%$5.5M
Norges Bank (Norway SWF)2016Q1$6226.84-97.6%$3.41B

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions3
Added to6
Trimmed8
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
14
$439.14B
2022Q2
15
$493.26B
2022Q3
18
$4.93B
2022Q4
18
$5.60B
2023Q1
17
$6.00B
2023Q2
12
$7.10B
2023Q3
16
$7.00B
2023Q4
14
$9.13B
2024Q1
16
$10.91B
2024Q2
26
$13.21B
2024Q3
20
$5.55B
2024Q4
17
$6.44B
2025Q1
17
$4.24B
2025Q2
21
$9.29B
2025Q3
18
$8.83B
2025Q4
24
$11.86B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗
2025-04-10Byron DonaldsBuy$1K – $15KPDF ↗
2025-04-10Byron DonaldsBuy$1K – $15KPDF ↗
2025-04-08Rob BresnahanBuy$1K – $15KPDF ↗
2025-01-02James ComerBuy$1K – $15KPDF ↗
2024-10-29Valerie HoyleBuy$1K – $15KPDF ↗

Who owns APH

24 super-investors · 2025Q4
Tracked stake
87.77M
shares
Combined value
$11.86B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added8Trim12
#ManagerSharesValue
1T. Rowe Price37.92M$5.12B
2Norges Bank
Norway SWF
22.59M$3.05B
3Wellington Management12.42M$1.68B
4AQR Capital Management3.59M$485M
5Stephen Mandel
Lone Pine Capital
2.81M$380M
6Ron Baron
Baron Capital / BAMCO
1.71M$231M
7Izzy Englander
Millennium Mgmt
1.32M$179M
8Steve Cohen
Point72
1.22M$165M
9Sands Capital Management879.0K$119M
10Ray Dalio
Bridgewater Associates
798.4K$108M
11Ken Griffin
Citadel Advisors
624.1K$84M
12Ken Griffin
Citadel Advisors
523.3K$71M
13Ken Griffin
Citadel Advisors
378.9K$51M
14D.E. Shaw & Co.359.7K$49M
15Steve Cohen
Point72
167.5K$23M
16Steve Cohen
Point72
142.1K$19M
17Two Sigma Investments112.1K$15M
18Izzy Englander
Millennium Mgmt
62.9K$9M
19Izzy Englander
Millennium Mgmt
54.2K$7M
20Mario Gabelli
GAMCO
36.4K$5M
21Paul Tudor Jones
Tudor Investment
25.6K$3M
22Jeremy Grantham
GMO
10.3K$1M
23Paul Tudor Jones
Tudor Investment
10.2K$1M
24Ken Fisher
Fisher Asset Mgmt
5.7K$776K

Recent moves

20 transactions
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