MBCSX Mutual Fund

NAV$18.72

TER0.76%

Holdings88

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MBCSX Mutual Fund

NAV$18.72

MassMutual Blue Chip Growth Fund Class R5

TER0.76%

Holdings88

See how much of MBCSX you already own

Just $25 once·$99/mo·Download sample

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

Showing top 50 of 93 holdings · as of Jun 30, 2026

MBCSX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	NVDA	Nvidia CorpInfo Tech · Semiconductors	14.35%	14.3%	1,341,810	$268.48M	Info Tech	Semiconductors
2	GOOGL	Alphabet Inc,Class AComm. Services · Interactive Media	7.95%	22.3%	416,263	$148.76M	Comm. Services	Interactive Media
Sector and industry · Pro
3	TSLA	Tesla Inc	5.04%	27.3%	224,073	$94.25M
4	META	Meta Platforms Inc	4.76%	32.1%	158,160	$89.09M
5	AMZN	Amazon.com Inc	4.60%	36.7%	361,405	$86.14M
6	MSFT	Microsoft Corp	4.43%	41.1%	222,310	$82.93M
7	GOOG	Alphabet Inc	3.62%	44.8%	191,855	$67.79M
8	V	Visa Inc Class A	3.49%	48.2%	190,534	$65.37M
9	AMAT	Applied Materials, Inc.	3.26%	51.5%	84,408	$61.03M
10	AVGO	Broadcom Inc	3.24%	54.7%	160,294	$60.55M
11	—	Lrcx Uw Equity	3.17%	57.9%	136,890	$59.32M
12	NFLX	Netflix, Inc.	2.65%	60.6%	695,391	$49.65M
13	AAPL	Apple, Inc	2.58%	63.1%	166,812	$48.27M
14	BA	Boeing Co	2.05%	65.2%	177,388	$38.40M
15	ORCL	Oracle Corp -	2.03%	67.2%	258,966	$37.95M
16	CVNA	Carvana Co	1.86%	69.1%	529,063	$34.82M
17	LLY	Eli Lilly & Co.	1.84%	70.9%	28,678	$34.40M
18	MNST	Monster Beverage Corp.	1.58%	72.5%	307,435	$29.55M
19	—	Shopify Inc	1.40%	73.9%	230,060	$26.27M
20	—	Nvaesrtex Pharmaceuticals Inc	1.31%	75.2%	49,327	$24.50M
21	AMD	Advanced Micro Devices Inc	1.25%	76.5%	40,412	$23.48M
22	—	General Electric Co.	1.12%	77.6%	56,203	$21.00M
23	MA	Mastercard Inc	1.01%	78.6%	36,629	$18.81M
24	ISRG	Intuitive Surgical Inc.	0.96%	79.6%	45,194	$17.97M
25	ASL	Asml Holding Nv Unsponsored Adr Ordinary Shares	0.94%	80.5%	8,836	$17.58M
26	Debt	Fixed Inc Clearing Corp.Repo 07/01/2026	0.93%	81.4%	17,439,785	$17.44M
27	DIS	Walt Disney Co	0.89%	82.3%	172,705	$16.62M
28	ADSK	Autodesk, Inc.	0.80%	83.1%	77,167	$15.00M
29	REGN	Regeneron Pharmaceuticals, Inc.	0.78%	83.9%	23,342	$14.55M
30	TMO	Thermo Fisherscientific Inc.	0.74%	84.6%	27,571	$13.82M
31	GEV	GE Vernova Inc. CDR (CAD Hedged)	0.64%	85.3%	10,136	$11.91M
32	—	Novo-Nordisk A/S-Spons Adr	0.64%	85.9%	249,558	$11.96M
33	CRM	Salesforce Inc	0.63%	86.5%	75,368	$11.81M
34	SBUX	Starbucks Corp	0.63%	87.2%	114,618	$11.71M
35	EXPD	Expeditors International Of Washington Inc	0.59%	87.8%	67,951	$11.07M
36	—	Novartis Ag Sponsored Adr (1 Ads : 1 Ordinary)	0.57%	88.3%	67,963	$10.65M
37	CB	Chubb Ltd.	0.56%	88.9%	30,846	$10.51M
38	DE	Deere & Co Sedol 2261203	0.55%	89.4%	16,245	$10.30M
39	TSM	Taiwan Semiconductor Manufacturing Co Ltd	0.55%	90.0%	21,607	$10.32M
40	BKNG	Booking Holdings, Inc.	0.53%	90.5%	55,329	$9.86M
41	CAT	Caterpillar, Inc.	0.49%	91.0%	8,624	$9.18M
42	SEIC	Sei Investments Co.	0.48%	91.5%	101,989	$8.95M
43	MPWR	Monolithic Power Systems Inc	0.43%	91.9%	5,784	$8.00M
44	RHHBY	Roche Holding Ag (Adr)	0.42%	92.3%	154,593	$7.94M
45	YUM	Yum! Brands, Inc.	0.40%	92.7%	47,043	$7.52M
46	CRWD	Crowdstrike Holdings Inc	0.35%	93.1%	8,585	$6.55M
47	XYZ	Block Inc	0.35%	93.4%	86,386	$6.57M
48	UNH	Unitedhealth Group Inc	0.33%	93.8%	14,677	$6.10M
49	—	T-Mobile Usa Inc Esrw Usd Npv Ref Sm#585558	0.32%	94.1%	36,175	$6.07M
50	MS	Morgan Stanley	0.30%	94.4%	27,090	$5.66M
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Not reported for this fund: share changes.

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MBCSX Mutual Fund All Holdings

MBCSX holdings total 88 positions. The top 10 holdings account for 54.7% of the fund, led by Nvidia Corp at 14.3%, Alphabet Inc,class A at 8.0%, Tesla Inc at 5.0%.

MBCSX portfolio concentration is relatively high, with the top 10 representing 54.7% of total assets. The largest sector exposure is Information Technology at 44.7%.

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