Ticker · CUSIP 032095101

APH

AMPHENOL CORP NEW

Technology·Electronic Components

···Share

Holders (tracked)

Combined shares

87,769,560

Combined value

$11.86B

Last close

$151.06

Quarter

2025Q4

Price is +11.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$151.06+86.46 (+133.83%)H $165.92 · L $63.14 · Avg Vol 8.8M

Congress sell

Tracked holders · last 8 quarters

+6 vs previous quarter over the last 8.

SEC event timeline

30 events

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

Investor	First in	Cost basis	Return	Position value today
Jeremy Grantham (GMO)	2016Q1	$63.50	+137.9%	$1.6M
Sands Capital Management	2025Q1	$72.57	+108.2%	$132.8M
Ron Baron (Baron Capital / BAMCO)	2019Q2	$75.33	+100.5%	$258.4M
AQR Capital Management	2016Q1	$76.75	+96.8%	$542.0M
T. Rowe Price	2016Q1	$78.24	+93.1%	$5.73B
Wellington Management	2016Q1	$85.76	+76.1%	$1.88B
Ken Fisher (Fisher Asset Mgmt)	2016Q1	$89.70	+68.4%	$867K
Two Sigma Investments	2018Q2	$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

Norges Bank (Norway SWF)
+22,585,063
$3.05B
Mario Gabelli (GAMCO)
+36,366
$4.9M
Paul Tudor Jones (Tudor Investment)
+35,800
$4.8M

Added to6

Wellington Management
+3,576,596
$483.3M
Steve Cohen (Point72)
+1,020,208
$137.9M
Sands Capital Management
+83,770
$11.3M
Ray Dalio (Bridgewater Associates)
+63,101
$8.5M
Ken Fisher (Fisher Asset Mgmt)
+1,537
$208K
Jeremy Grantham (GMO)
+36
$5K

Trimmed8

D.E. Shaw & Co.
−1,690,383
$228.4M
Ken Griffin (Citadel Advisors)
−1,585,041
$214.2M
Izzy Englander (Millennium Mgmt)
−742,402
$100.3M
AQR Capital Management
−222,851
$30.1M
Stephen Mandel (Lone Pine Capital)
−213,458
$28.8M
Ron Baron (Baron Capital / BAMCO)
−178,788
$24.2M
Two Sigma Investments
−115,953
$15.7M
T. Rowe Price
−6,148,762
$831K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	14	75,618,791	$439.14B	—
2022Q2	15	81,698,871	$493.26B	+1
2022Q3	18	73,671,639	$4.93B	+3
2022Q4	18	73,566,439	$5.60B	—
2023Q1	17	73,444,084	$6.00B	-1
2023Q2	12	83,583,338	$7.10B	-5
2023Q3	16	83,326,799	$7.00B	+4
2023Q4	14	92,053,719	$9.13B	-2
2024Q1	16	94,585,836	$10.91B	+2
2024Q2	26	196,141,698	$13.21B	+10
2024Q3	20	85,252,114	$5.55B	-6
2024Q4	17	92,663,257	$6.44B	-3
2025Q1	17	64,616,541	$4.24B	—
2025Q2	21	94,141,142	$9.29B	+4
2025Q3	18	71,413,821	$8.83B	-3
2025Q4	24	87,769,560	$11.86B	+6

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-09-23	Valerie Hoyle	Sell	$1K – $15K	PDF ↗
2025-04-10	Byron Donalds	Buy	$1K – $15K	PDF ↗
2025-04-10	Byron Donalds	Buy	$1K – $15K	PDF ↗
2025-04-08	Rob Bresnahan	Buy	$1K – $15K	PDF ↗
2025-01-02	James Comer	Buy	$1K – $15K	PDF ↗
2024-10-29	Valerie Hoyle	Buy	$1K – $15K	PDF ↗

Who owns APH

24 super-investors · 2025Q4

Tracked stake

87.77M

Combined value

$11.86B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New4Added8Trim12

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	T. Rowe Price	37.92M	$5.12B	0.6%	Trim−6.15M
2	Norges Bank Norway SWF	22.59M	$3.05B	0.3%	New+22.59M
3	Wellington Management	12.42M	$1.68B	0.3%	Added+3.58M
4	AQR Capital Management	3.59M	$485M	0.3%	Trim−222.9K
5	Stephen Mandel Lone Pine Capital	2.81M	$380M	2.8%	Trim−213.5K
6	Ron Baron Baron Capital / BAMCO	1.71M	$231M	0.6%	Trim−178.8K
7	Izzy Englander Millennium Mgmt	1.32M	$179M	0.1%	Trim−742.4K
8	Steve Cohen Point72	1.22M	$165M	0.2%	Added+1.02M
9	Sands Capital Management	879.0K	$119M	0.4%	Added+83.8K
10	Ray Dalio Bridgewater Associates	798.4K	$108M	0.4%	Added+63.1K
11	Ken Griffin Citadel Advisors	624.1K	$84M	0.0%	Trim−1.59M
12	Ken Griffin Citadel Advisors	523.3K	$71M	0.0%	Trim−1.59M
13	Ken Griffin Citadel Advisors	378.9K	$51M	0.0%	Trim−1.59M
14	D.E. Shaw & Co.	359.7K	$49M	0.0%	Trim−1.69M
15	Steve Cohen Point72	167.5K	$23M	0.0%	Added+1.02M
16	Steve Cohen Point72	142.1K	$19M	0.0%	Added+1.02M
17	Two Sigma Investments	112.1K	$15M	0.0%	Trim−116.0K
18	Izzy Englander Millennium Mgmt	62.9K	$9M	0.0%	Trim−742.4K
19	Izzy Englander Millennium Mgmt	54.2K	$7M	0.0%	Trim−742.4K
20	Mario Gabelli GAMCO	36.4K	$5M	0.0%	New+36.4K	—
21	Paul Tudor Jones Tudor Investment	25.6K	$3M	0.0%	New+35.8K
22	Jeremy Grantham GMO	10.3K	$1M	0.0%	Added+36
23	Paul Tudor Jones Tudor Investment	10.2K	$1M	0.0%	New+35.8K
24	Ken Fisher Fisher Asset Mgmt	5.7K	$776K	0.0%	Added+1.5K

Recent moves

20 transactions

TRIMRon Baron (Baron Capital / BAMCO)
−178,788 · 2025Q4
TRIMD.E. Shaw & Co.
−1,690,383 · 2025Q4
ADDJeremy Grantham (GMO)
+36 · 2025Q4
TRIMAQR Capital Management
−222,851 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−742,402 · 2025Q4
ADDSteve Cohen (Point72)
+1,020,208 · 2025Q4
TRIMT. Rowe Price
−6,148,762 · 2025Q4
TRIMTwo Sigma Investments
−115,953 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−1,585,041 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+35,800 · 2025Q4
TRIMStephen Mandel (Lone Pine Capital)
−213,458 · 2025Q4
ADDWellington Management
+3,576,596 · 2025Q4
ADDSands Capital Management
+83,770 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+63,101 · 2025Q4
NEWNorges Bank (Norway SWF)
+22,585,063 · 2025Q4
ADDKen Fisher (Fisher Asset Mgmt)
+1,537 · 2025Q4
NEWMario Gabelli (GAMCO)
+36,366 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−437,471 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−352,152 · 2025Q3
TRIMSteve Cohen (Point72)
−1,093,931 · 2025Q3

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