AMERICAN CENTURY COMPANIES INC

Position in AMBA — Ambarella Inc

CIK 748054 KANSAS CITY, MO

Position in AMBA

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$644,958

+$394,920 QoQ

Shares Held

7,517

+54.8% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#167

of 335 holders

Holding Since

Jun 2021

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

AMERICAN CENTURY COMPANIES INC holds $5,735,312,797 across 24 Semiconductor Equipment & Materials names. AMBA ranks #22 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	3,004,203	$2,172,038,769
2	LRCX	Lam Research Corp	3,447,645	$1,493,968,007
3	ASML	Asml Holding NV	371,924	$739,920,445
4	KLAC	Kla Corp	2,024,263	$610,740,389
5	TER	Teradyne, Inc	357,353	$172,901,675
6	PLAB	Photronics Inc	3,387,380	$110,191,471
7	ONTO	Onto Innovation Inc.	272,597	$103,164,334
8	AMKR	Amkor Technology, Inc.	1,055,656	$91,029,216

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$644,958	7,517	+54.8%	Shares	Defined	2026-08-12
2026-03-31	$250,038	4,857	+5.2%	Shares	Defined	2026-05-15
2025-12-31	$327,068	4,617	-95.8%	Shares	Defined	2026-02-13
2022-12-31	$9,107,630	110,758	-0.4%	Shares	Defined	2023-02-13
2022-09-30	$6,247,665	111,208	-1.1%	Shares	Defined	2022-11-14
2022-06-30	$7,360,715	112,446	+9.0%	Shares	Defined	2022-08-12
2022-03-31	$10,820,924	103,135	+61.9%	Shares	Defined	2022-05-11
2021-12-31	$12,927,339	63,716	+960.7%	Shares	Defined	2022-02-07
2021-09-30	$935,530	6,007	0.0%	Shares	Defined	2021-11-10
2021-06-30	$640,526	6,007	—	Shares	Defined	2021-08-05
No filing history on record for this holder in this stock.