OAK RIDGE INVESTMENTS LLC

Position in APH — Amphenol Corp /De/

CIK 1054554 Chicago, IL

Position in APH

as of Mar 31, 2026 · filed Apr 30, 2026 Compact

Position Value

$1,963,226

-$163,742 QoQ

Shares Held

15,538

-1.3% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.14%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 85.73175440854679.ToString("F0")% Shared 0.ToString("F0")% None 14.26824559145321.ToString("F0")%

Technology · as of Mar 31, 2026

OAK RIDGE INVESTMENTS LLC holds $24,686,891 across 4 Electronic Components names. APH ranks #4 (8.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CLS	Celestica Inc	54,753	$15,422,825
2	TTMI	Ttm Technologies Inc	37,988	$3,700,790
3	OSIS	Osi Systems Inc	13,559	$3,600,050
4	APH	Amphenol Corp /De/ This page	15,538	$1,963,226

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,963,226	15,538	-1.3%	Shares	Sole	2026-04-30
2025-12-31	$2,126,968	15,739	+51.2%	Shares	Sole	2026-01-23
2025-09-30	$1,287,742	10,406	+20.7%	Shares	Sole	2025-10-29
2025-06-30	$851,620	8,624	-42.6%	Shares	Sole	2025-07-25
2025-03-31	$984,702	15,013	-2.9%	Shares	Sole	2025-05-13
2024-12-31	$1,073,419	15,456	-0.5%	Shares	Sole	2025-01-15
2024-09-30	$1,012,195	15,534	-17.2%	Shares	Sole	2024-10-28
2024-06-30	$1,264,265	18,766	+100.0%	Shares	Sole	2024-10-28
2024-03-31	$541,164	9,383	-12.2%	Shares	Sole	2024-05-01
2023-12-31	$529,750	10,688	-6.2%	Shares	Sole	2024-01-16
2023-09-30	$478,659	11,398	-0.3%	Shares	Sole	2023-10-30
2023-06-30	$485,404	11,428	-26.7%	Shares	Sole	2023-08-07
2023-03-31	$637,170	15,594	-1.6%	Shares	Sole	2023-04-14
2022-12-31	$603,028	15,840	-0.1%	Shares	Sole	2023-01-24
2022-09-30	$530,658	15,850	0.0%	Shares	Sole	2022-11-08
2022-06-30	$510,211	15,850	0.0%	Shares	Sole	2022-07-28
2022-03-31	$597,148	15,850	-0.3%	Shares	Sole	2022-04-22
2021-12-31	$694,957	15,892	-5.9%	Shares	Sole	2022-02-01
2021-09-30	$618,280	16,886	-0.0%	Shares	Sole	2021-11-05
2021-06-30	$577,654	16,888	+1.5%	Shares	Sole	2021-07-30
2021-03-31	$548,672	16,634	+88.4%	Shares	Sole	2021-05-12
2020-12-31	$288,576	8,827	-2.9%	Shares	Sole	2021-02-03
2020-09-30	$245,962	9,087	+0.1%	Shares	Sole	2020-11-12
2020-06-30	$217,440	9,078	-1.0%	Shares	Sole	2020-08-05
2020-03-31	$167,077	9,170	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.