AULNX Mutual Fund

NAV$119.25

Holdings71

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AULNX Mutual Fund

NAV$119.25

American Century Ultra Fund

Holdings71

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 70 holdings · as of Jun 30, 2026

AULNX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	NVDA	Nvidia CorpInfo Tech · Semiconductors	15.32%	15.3%	20,619,000	$4.13B	Info Tech	Semiconductors
2	GOOGL	Alphabet Inc,Class AComm. Services · Interactive Media	6.12%	21.4%	4,613,455	$1.65B	Comm. Services	Interactive Media
Sector and industry · Pro
3	AMZN	Amazon.com Inc	5.70%	27.1%	6,435,000	$1.53B
4	AAPL	Apple, Inc	5.30%	32.4%	4,932,754	$1.43B
5	GOOG	Alphabet Inc. C	5.26%	37.7%	4,009,000	$1.42B
6	MSFT	Microsoft Corp	4.82%	42.5%	3,476,000	$1.30B
7	TSLA	Tesla Inc	4.36%	46.9%	2,792,000	$1.17B
8	LLY	Eli Lilly & Co.	3.46%	50.3%	776,000	$930.76M
9	AMAT	Applied Materials, Inc.	3.35%	53.7%	1,246,000	$900.86M
10	MA	Mastercard Inc	2.85%	56.5%	1,491,889	$766.23M
11	META	Meta Platforms Inc	2.74%	59.3%	1,308,000	$736.78M
12	MU	Micron Technology, Inc.	2.17%	61.5%	507,000	$585.23M
13	APH	Amphenol Corp. Class A	2.06%	63.5%	3,152,000	$555.76M
14	CIEN	Ciena Corp	1.96%	65.5%	1,077,000	$528.33M
15	AVGO	Broadcom Inc	1.95%	67.4%	1,388,000	$524.32M
16	—	Vertiv Co.	1.90%	69.3%	1,526,000	$510.94M
17	NFLX	Netflix, Inc.	1.86%	71.2%	7,010,000	$500.51M
18	—	Cloudflare Inc (180 Day Lockup)	1.78%	73.0%	1,957,000	$480.01M
19	—	Asml Holding NV	1.67%	74.6%	227,000	$449.50M
20	DDOG	Datadog Inc	1.59%	76.2%	1,647,000	$428.81M
21	GLW	Corning Inc.	1.50%	77.7%	1,583,000	$404.35M
22	SNPS	Synopsys	1.43%	79.2%	864,000	$385.40M
23	ISRG	Intuitive Surgical Inc.	1.24%	80.4%	842,564	$335.07M
24	PL	Planet Labs Pbc	1.24%	81.6%	10,058,000	$333.22M
25	IBKR	Interactive Brokers Group Inc	1.21%	82.8%	3,740,000	$325.53M
26	COST	Costco Wholesale Corp.	1.18%	84.0%	339,000	$317.12M
27	HWM	Howmet Aerospace Inc.	1.10%	85.1%	1,104,000	$296.82M
28	SNOW	Snowflake Inc	0.92%	86.0%	971,000	$247.12M
29	ALNY	Alnylam Pharmaceuticals Inc.	0.84%	86.9%	747,000	$224.87M
30	PLTR	Palantir Technologies Inc	0.80%	87.7%	1,837,000	$214.32M
31	ORCL	Oracle Corp -	0.76%	88.4%	1,404,000	$205.76M
32	AYI	Acuity Brands Inc	0.69%	89.1%	492,000	$185.32M
33	—	Samsung Electronics (Equity)	0.69%	89.8%	838,000	$185.95M
34	AMD	Advanced Micro Devices Inc	0.67%	90.5%	310,000	$180.08M
35	—	Ascendis Pharma A/S	0.66%	91.2%	664,000	$177.10M
36	WAB	Westinghouse Air Brake Technologies Corp.	0.65%	91.8%	652,000	$175.78M
37	VIK	Viking Holdings Ltd. Ordinary Shares	0.62%	92.4%	1,601,000	$167.58M
38	FICO	Fair Isaac Corp.	0.59%	93.0%	133,000	$158.91M
39	—	Advanced Drainag Tm B 1ln 7/26	0.57%	93.6%	977,000	$153.35M
40	ECL	Ecolab, Inc.	0.52%	94.1%	506,000	$140.98M
41	JCI	Johnson Controls International Plc	0.51%	94.6%	940,000	$137.34M
42	IDXX	Idexx Labs	0.50%	95.1%	257,000	$135.30M
43	—	Nvaesrtex Pharmaceuticals Inc	0.40%	95.5%	216,000	$107.29M
44	CMG	Chipotle Mexican Grill Inc. Class A	0.28%	95.8%	2,204,000	$74.94M
45	HEI	Heico Corp.	0.28%	96.1%	209,000	$74.44M
46	OKTA	Okta Inc.	0.28%	96.4%	559,000	$76.28M
47	DCI	Donaldson Co Inc	0.26%	96.6%	779,000	$69.93M
48	DT	Dynatrace Inc	0.26%	96.9%	1,608,000	$70.61M
49	—	Lrcx Uw Equity	0.26%	97.1%	163,000	$70.63M
50	NDSN	Nordson Corp	0.26%	97.4%	228,000	$68.79M
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Not reported for this fund: share changes.

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AULNX Mutual Fund All Holdings

AULNX holdings total 71 positions. The top 10 holdings account for 56.5% of the fund, led by Nvidia Corp at 15.3%, Alphabet Inc,class A at 6.1%, Amazon.Com Inc at 5.7%.

AULNX portfolio concentration is relatively high, with the top 10 representing 56.5% of total assets. The largest sector exposure is Information Technology at 48.2%.

AULNX sectors provide a detailed breakdown. AULNX overlap shows how holdings compare to other funds in your portfolio.