Question 1

Does Calamos Advisors own APH stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Calamos Advisors holds 751,941 shares of APH (Amphenol), worth $63.4M.

Question 2

How many shares of APH does Calamos Advisors own?

Accepted Answer

As of its Q3 2026 13F, Calamos Advisors holds 751,941 shares of APH (Amphenol).

Question 3

What is Calamos Advisors' APH position worth?

Accepted Answer

As of its Q3 2026 13F, Calamos Advisors' APH position is worth $63.4M.

Question 4

Is Calamos Advisors buying or selling APH?

Accepted Answer

In Q3 2026, Calamos Advisors increased its APH position by 382,336 shares (+103.4%).

Question 5

When did Calamos Advisors first buy APH?

Accepted Answer

Calamos Advisors already held APH in its Q1 2019 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q3 Latest	Increased	751,941	+103.4%	$63.4M	0.2%	$84.30	57
2026-Q2	Increased	369,605	+24.3%	$65.2M	0.2%	$88.16	43
2026-Q1	Decreased	297,447	-1.0%	$37.6M	0.1%	$63.08	0
2025-Q4	Decreased	300,354	-2.2%	$40.6M	0.2%	$67.34	0
2025-Q3	Increased	307,018	+0.1%	$38M	0.1%	$61.54	35
2025-Q2	Unchanged	306,608	0.0%	$30.3M	0.1%	$49.04	0
2025-Q1	Increased	306,608	+1.1%	$20.1M	0.1%	$32.52	29
2024-Q4	Unchanged	303,193	0.0%	$21.1M	0.1%	$34.34	0
2024-Q3	Decreased	303,193	-2.4%	$19.8M	0.1%	$32.15	0