MMUBX Mutual Fund

NAV$25.30

AUM$2M

TER1.75%

Holdings45

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MMUBX Mutual Fund

NAV$25.30

MFS Utilities Fund Class B

AUM$2M

TER1.75%

Holdings45

See how much of MMUBX you already own

Just $25 once·$99/mo·Download sample

X-ray my portfolio free

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

Showing top 45 of 45 holdings · as of Jan 31, 2026

MMUBX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Share chg	Sector	Industry
1	NEE	Nextera Energy Inc.Utilities · Electric Utilities	12.93%	12.9%	3,836,295	$337.21M	-	Utilities	Electric Utilities
2	CEG	Constellation E..Utilities · Electric Utilities	6.78%	19.7%	629,928	$176.81M	-	Utilities	Electric Utilities
Share changes, sector and industry · Pro
3	—	Pg&E Corp.	5.60%	25.3%	9,476,784	$146.13M
4	XEL	Xcel Energy, Inc	5.32%	30.6%	1,824,279	$138.75M
5	SRE	Sempra	4.82%	35.5%	1,444,948	$125.72M
6	—	Vistra Energy Corp.	3.96%	39.4%	652,765	$103.37M
7	DTE	Dte Energy Company	3.90%	43.3%	757,300	$101.77M
8	—	Dominion Energy, Inc. 4.65%	3.82%	47.1%	1,654,663	$99.56M
9	AEP	American Electric Power Co Inc	3.80%	50.9%	827,155	$99.07M
10	AEE	Ameren Corp	3.76%	54.7%	950,410	$98.16M
11	SO	Southern Co.	3.68%	58.4%	1,074,008	$95.92M
12	RWEG	Rwe Ag	3.50%	61.9%	1,437,811	$91.21M
13	PPL	Ppl Corp	3.42%	65.3%	2,456,642	$89.05M
14	PEG	Public Service Enterprise Group Inc.	3.42%	68.7%	1,081,536	$89.08M
15	EIX	Edison International	3.30%	72.0%	1,382,915	$86.13M
16	SSE	Sse Plc	2.85%	74.9%	2,243,846	$74.36M
17	—	Alliant Energy Finance Llc 144a	2.68%	77.5%	1,058,345	$69.76M
18	PNW	Pinnacle West Capital Corp.	2.33%	79.9%	649,551	$60.77M
19	ETR	Entergy Corp.	2.09%	82.0%	567,620	$54.43M
20	NI	Nisource Inc.	2.06%	84.0%	1,210,844	$53.63M
21	EDPR	Edp Renovaveis Sa	2.02%	86.0%	3,477,634	$52.76M
22	ATO	Atmos Energy Corp	1.70%	87.7%	266,157	$44.27M
23	POR	Portland General	1.61%	89.3%	834,116	$41.91M
24	NG	National Grid Plc	1.37%	90.7%	2,120,466	$35.82M
25	UU	United Utilities Group PLC Ord Gbp0.05	1.18%	91.9%	1,800,132	$30.72M
26	OGE	Oge Energy Corp.	1.17%	93.1%	700,814	$30.61M
27	ENEI	Enel Spa	1.15%	94.2%	2,721,678	$30.03M
28	WEC	Wec Energy Group Inc.	1.06%	95.3%	250,233	$27.69M
29	EDPFY	Energias De Portugal ADR	1.00%	96.3%	5,118,015	$26.19M
30	CNP	Centerpoint Energy Inc.	0.77%	97.1%	502,686	$19.95M
31	EOAN	E.on Se	0.75%	97.8%	928,092	$19.65M
32	VIE	Vie Fp Veolia Environnement Sa	0.52%	98.3%	363,925	$13.64M
33	—	Mfs Institutional Money Market Portfolio	0.49%	98.8%	12,690,097	$12.69M
34	DUK	Duke Energy Corp	0.47%	99.3%	102,038	$12.38M
35	—	Generac Holdings, Inc.	0.32%	99.6%	50,281	$8.45M
36	SR	Spire Inc	0.26%	99.9%	79,394	$6.71M
37	Debt	Palmer Square European Loan Fu Pstet 2024 2A A 144A	0.03%	99.9%	483,803	$662.0K
38	—	Israeli Shekel	0.00%	99.9%	31,027	$10.0K
39	—	Forward Foreign Currency Contract	0.00%	99.9%	1	$-67
40	—	Forward Foreign Currency Contract	0.00%	99.9%	1	$3.0K
41	—	Forward Foreign Currency Contract	0.00%	99.9%	1	$4.6K
42	—	Euro	0.00%	99.9%	10,502	$12.4K
43	Debt	Saudi Government International Bond	-0.01%	99.9%	1	$-132541
44	—	Forward Foreign Currency Contract	-0.05%	99.8%	1	$-1424287
45	—	Cds Republic Of Philippines	-0.09%	99.7%	1	$-2258758

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MMUBX Mutual Fund All Holdings

MMUBX holdings total 45 positions. The top 10 holdings account for 54.7% of the fund, led by Nextera Energy Inc. at 12.9%, Constellation E.. at 6.8%, Pg&E Corp. at 5.6%.

MMUBX portfolio concentration is relatively high, with the top 10 representing 54.7% of total assets. The largest sector exposure is Utilities at 88.3%.

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