TSAMX Mutual Fund

NAV$15.51

AUM$15M

TER0.95%

Holdings232

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TSAMX Mutual Fund

NAV$15.51

Thornburg Summit Fund Class A

AUM$15M

TER0.95%

Holdings232

See how much of TSAMX you already own

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

Showing top 50 of 230 holdings · as of Aug 31, 2026

TSAMX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	—	Thornburg Capital Management Fund	6.01%	6.0%	756,563	$7.57M	-	-
2	—	Samsung Electronics (Equity)	3.29%	9.3%	21,805	$4.14M	-	-
3	—	Tsmc	3.24%	12.5%	53,792	$4.08M	-	-
4	LMN	Lumine Group IncInfo Tech · IT Services	2.63%	15.2%	186,662	$3.32M	Info Tech	IT Services
5	ZEG	Zegona Communications Plc	2.61%	17.8%	149,975	$3.29M	-	-
6	—	Colliers International Group, Inc.Real Estate · Real Estate Management	2.48%	20.3%	31,078	$3.12M	Real Estate	Real Estate Management
7	AMZN	Amazon.com IncConsumer Disc. · Internet	2.17%	22.4%	10,535	$2.74M	Consumer Disc.	Internet
8	Debt	Us Treasury N/B	2.11%	24.5%	2,780,000	$2.65M	-	-
9	C	Citigroup Inc.Financials · Banks	1.83%	26.4%	17,537	$2.31M	Financials	Banks
10	ROKOB	Roko Ab	1.75%	28.1%	11,195	$2.21M	-	-
11	GOOGL	Alphabet IncComm. Services · Interactive Media	1.73%	29.8%	6,433	$2.18M	Comm. Services	Interactive Media
12	ORAN	Orange Sa (France)	1.70%	31.5%	119,713	$2.14M	-	-
13	SHEL	Shell PlcEnergy · Oil & Gas	1.64%	33.2%	45,162	$2.06M	Energy	Oil & Gas
14	SLB	Schlumberger Nv.Energy · Energy Equipment	1.54%	34.7%	32,297	$1.94M	Energy	Energy Equipment
15	Debt	United States Department Of The Treasury	1.51%	36.2%	2,049,000	$1.90M	-	-
16	—	Liberty Oilfield Services, Inc.Energy · Energy Equipment	1.49%	37.7%	95,260	$1.88M	Energy	Energy Equipment
17	CSU	Constellation Software Inc/CanadaInfo Tech · Software	1.44%	39.2%	803	$1.82M	Info Tech	Software
18	MDT	Medtronic Plc Ordinary SharesHealth Care · Healthcare Equip.	1.39%	40.6%	19,357	$1.75M	Health Care	Healthcare Equip.
19	META	Meta Platforms IncComm. Services · Interactive Media	1.38%	41.9%	3,031	$1.73M	Comm. Services	Interactive Media
20	NVDA	Nvidia CorpInfo Tech · Semiconductors	1.38%	43.3%	7,843	$1.73M	Info Tech	Semiconductors
21	RO	Roche Holding Ag	1.34%	44.7%	3,859	$1.68M	-	-
22	Debt	Treasury BondFinancials · Diversified Financial Services	1.32%	46.0%	2,445,000	$1.66M	Financials	Diversified Financial Services
23	BNPP	Bnp Paribas	1.32%	47.3%	13,866	$1.66M	-	-
24	V	Visa Inc Class AInfo Tech · IT Services	1.26%	48.6%	4,166	$1.58M	Info Tech	IT Services
25	Debt	United States Treasury Strip Coupon	1.21%	49.8%	3,900,000	$1.52M	-	-
26	MSFT	Microsoft CorpInfo Tech · Software	1.17%	50.9%	2,909	$1.48M	Info Tech	Software
27	T	AT&T Inc.Comm. Services · Diversified Telecom	1.12%	52.1%	54,682	$1.42M	Comm. Services	Diversified Telecom
28	AVGO	Broadcom IncInfo Tech · Semiconductors	1.11%	53.2%	3,760	$1.39M	Info Tech	Semiconductors
29	MA	Mastercard IncFinancials · Capital Markets	1.04%	54.2%	2,211	$1.30M	Financials	Capital Markets
30	CME	Cme Group Inc.Financials · Capital Markets	0.98%	55.2%	4,318	$1.23M	Financials	Capital Markets
31	—	Round One Corp	0.96%	56.1%	143,400	$1.21M	-	-
32	—	Canadian Pac Kans City Ltd NpvIndustrials · Road & Rail	0.93%	57.1%	12,589	$1.17M	Industrials	Road & Rail
33	—	Schwab Strategic TFinancials · Capital Markets	0.90%	58.0%	10,362	$1.14M	Financials	Capital Markets
34	—	AstraZeneca PLC	0.87%	58.8%	6,780	$1.09M	-	-
35	—	Open Text CorpInfo Tech · Software	0.85%	59.7%	42,633	$1.06M	Info Tech	Software
36	—	Total Fina Elf Holdings Usa, Inc.	0.84%	60.5%	12,107	$1.06M	-	-
37	GLEN	Glencore PlcMaterials · Metals & Mining	0.80%	61.3%	125,911	$1.00M	Materials	Metals & Mining
38	CCCS	Ccc Intelligent Solutions HoldInfo Tech · Software	0.79%	62.1%	133,190	$993.6K	Info Tech	Software
39	—	Keyence Corp Jpy50	0.72%	62.8%	1,719	$900.2K	-	-
40	—	Shopify IncInfo Tech · Software	0.71%	63.6%	6,024	$887.8K	Info Tech	Software
41	—	Icon Plc -	0.71%	64.3%	5,397	$890.5K	-	-
42	—	Galaxy Entertainment Group Limited Shs	0.71%	65.0%	205,000	$893.4K	-	-
43	MELI	Mercadolibre IncInfo Tech · IT Services	0.68%	65.7%	445	$861.6K	Info Tech	IT Services
44	—	Tenaris S.A.Materials · Metals & Mining	0.63%	66.3%	14,109	$788.3K	Materials	Metals & Mining
45	MRK	Merck & Company IncHealth Care · Pharmaceuticals	0.62%	66.9%	5,273	$779.1K	Health Care	Pharmaceuticals
46	TEP	Tele Performance Se	0.62%	67.5%	9,684	$784.0K	-	-
47	—	Freddie Mac Pool	0.60%	68.1%	924,309	$760.4K	-	-
48	NOW	Servicenow, Inc.Info Tech · Software	0.57%	68.7%	4,835	$715.5K	Info Tech	Software
49	—	ASML Holding NVInfo Tech · Semiconductors	0.56%	69.3%	418	$704.9K	Info Tech	Semiconductors
50	Debt	Us Treasury N/B 2033-11-15Financials · Banks	0.52%	69.8%	665,000	$659.9K	Financials	Banks
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TSAMX Mutual Fund All Holdings

TSAMX holdings total 232 positions. The top 10 holdings account for 28.1% of the fund, led by Thornburg Capital Management Fund at 6.0%, Samsung Electronics (Equity) at 3.3%, Tsmc at 3.2%.

TSAMX portfolio concentration is well-diversified, with the top 10 representing 28.1% of total assets. The largest sector exposure is Financials at 15.1%.

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