NPORT-P

VANGUARD MID-CAP GROWTH INDEX FUND

VANGUARD INDEX FUNDS

Period2026-03-31FY End2026-12-31CIK0000036405SeriesS000012756LEIM6JWDO0S7R5FNUM8T614

Net Assets$29.25B

Total Assets$29.28B

Liabilities$34.07M

Holdings132+ 2 derivatives

Holdings

132Export CSV

#	Issuer	Title	Ticker	CUSIP	Value	% NAV	Category	Country
1	Vertiv Holdings Co	VERTIV HOLDING-A	—	92537N108	$729.21M	2.49%	Equity Common	US
2	Howmet Aerospace Inc	HOWMET AEROSPACE	—	443201108	$702.81M	2.40%	Equity Common	US
3	Constellation Energy Corp	CONSTELLATION EN	—	21037T109	$654.20M	2.24%	Equity Common	US
4	Seagate Technology Holdings PLC	SEAGATE TECHNOLO	—	G7997R103	$649.81M	2.22%	Equity Common	US
5	Quanta Services Inc	QUANTA SERVICES	—	74762E102	$624.80M	2.14%	Equity Common	US
6	Motorola Solutions Inc	MOTOROLA SOLUTIO	—	620076307	$546.81M	1.87%	Equity Common	US
7	Ross Stores Inc	ROSS STORES INC	—	778296103	$532.94M	1.82%	Equity Common	US
8	Royal Caribbean Cruises Ltd	ROYAL CARIBBEAN	—	V7780T103	$509.61M	1.74%	Equity Common	US
9	TransDigm Group Inc	TRANSDIGM GROUP	—	893641100	$497.83M	1.70%	Equity Common	US
10	Cloudflare Inc	CLOUDFLARE INC-A	—	18915M107	$473.50M	1.62%	Equity Common	US
11	Realty Income Corp	REALTY INCOME	—	756109104	$433.90M	1.48%	Equity Common	US
12	Robinhood Markets Inc	ROBINHOOD MARK-A	—	770700102	$416.44M	1.42%	Equity Common	US
13	Targa Resources Corp	TARGA RESOURCES	—	87612G101	$409.93M	1.40%	Equity Common	US
14	Fastenal Co	FASTENAL CO	—	311900104	$405.27M	1.39%	Equity Common	US
15	DoorDash Inc	DOORDASH INC-A	—	25809K105	$397.97M	1.36%	Equity Common	US
16	Vistra Corp	VISTRA CORP	—	92840M102	$387.42M	1.32%	Equity Common	US
17	Monolithic Power Systems Inc	MONOLITHIC POWER	—	609839105	$384.82M	1.32%	Equity Common	US
18	WW Grainger Inc	WW GRAINGER INC	—	384802104	$373.40M	1.28%	Equity Common	US
19	AMETEK Inc	AMETEK INC	—	031100100	$373.33M	1.28%	Equity Common	US
20	Edwards Lifesciences Corp	EDWARDS LIFE	—	28176E108	$353.76M	1.21%	Equity Common	US
21	Teradyne Inc	TERADYNE INC	—	880770102	$353.02M	1.21%	Equity Common	US
22	Western Digital Corp	WESTERN DIGITAL	—	958102105	$348.76M	1.19%	Equity Common	US
23	Zoetis Inc	ZOETIS INC	—	98978V103	$341.59M	1.17%	Equity Common	US
24	IDEXX Laboratories Inc	IDEXX LABS	—	45168D104	$340.30M	1.16%	Equity Common	US
25	Alnylam Pharmaceuticals Inc	ALNYLAM PHARMACE	—	02043Q107	$333.76M	1.14%	Equity Common	US
26	Marvell Technology Inc	MARVELL TECHNOLO	—	573874104	$328.74M	1.12%	Equity Common	US
27	Yum! Brands Inc	YUM! BRANDS INC	—	988498101	$326.91M	1.12%	Equity Common	US
28	Carvana Co	CARVANA CO	—	146869102	$324.25M	1.11%	Equity Common	US
29	Chipotle Mexican Grill Inc	CHIPOTLE MEXICAN	—	169656105	$317.10M	1.08%	Equity Common	US
30	Waste Connections Inc	WASTE CONNECTION	—	94106B101	$315.90M	1.08%	Equity Common	US
31	Ventas Inc	VENTAS INC	—	92276F100	$295.44M	1.01%	Equity Common	US
32	Datadog Inc	DATADOG INC-A	—	23804L103	$294.76M	1.01%	Equity Common	US
33	Garmin Ltd	GARMIN LTD	—	H2906T109	$288.72M	0.99%	Equity Common	US
34	MSCI Inc	MSCI INC	—	55354G100	$286.17M	0.98%	Equity Common	US
35	Coinbase Global Inc	COINBASE GLOBA-A	—	19260Q107	$281.41M	0.96%	Equity Common	US
36	Old Dominion Freight Line Inc	OLD DOMINION FRT	—	679580100	$278.79M	0.95%	Equity Common	US
37	Vulcan Materials Co	VULCAN MATERIALS	—	929160109	$270.45M	0.92%	Equity Common	US
38	ROBLOX Corp	ROBLOX CORP - A	—	771049103	$270.40M	0.92%	Equity Common	US
39	Martin Marietta Materials Inc	MARTIN MAR MTLS	—	573284106	$270.05M	0.92%	Equity Common	US
40	Microchip Technology Inc	MICROCHIP TECH	—	595017104	$265.93M	0.91%	Equity Common	US
41	Hilton Worldwide Holdings Inc	HILTON WORLDWIDE	—	43300A203	$265.16M	0.91%	Equity Common	US
42	Take-Two Interactive Software Inc	TAKE-TWO INTERAC	—	874054109	$264.26M	0.90%	Equity Common	US
43	Block Inc	BLOCK INC	—	852234103	$250.69M	0.86%	Equity Common	US
44	ResMed Inc	RESMED INC	—	761152107	$248.73M	0.85%	Equity Common	US
45	Axon Enterprise Inc	AXON ENTERPRISE	—	05464C101	$246.72M	0.84%	Equity Common	US
46	Agilent Technologies Inc	AGILENT TECH INC	—	00846U101	$245.21M	0.84%	Equity Common	US
47	Paychex Inc	PAYCHEX INC	—	704326107	$226.37M	0.77%	Equity Common	US
48	Waters Corp	WATERS CORP	—	941848103	$222.21M	0.76%	Equity Common	US
49	Xylem Inc/NY	XYLEM INC	—	98419M100	$221.00M	0.76%	Equity Common	US
50	Copart Inc	COPART INC	—	217204106	$220.00M	0.75%	Equity Common	US
51	Carnival Corp	CARNIVAL CORP	—	143658300	$219.10M	0.75%	Equity Common	US
52	Cintas Corp	CINTAS CORP	—	172908105	$218.64M	0.75%	Equity Common	US
53	Iron Mountain Inc	IRON MOUNTAIN	—	46284V101	$218.34M	0.75%	Equity Common	US
54	Teledyne Technologies Inc	TELEDYNE TECH	—	879360105	$213.09M	0.73%	Equity Common	US
55	AutoZone Inc	AUTOZONE INC	—	053332102	$212.83M	0.73%	Equity Common	US
56	Extra Space Storage Inc	EXTRA SPACE STOR	—	30225T102	$210.59M	0.72%	Equity Common	US
57	Workday Inc	WORKDAY INC-A	—	98138H101	$210.48M	0.72%	Equity Common	US
58	Ciena Corp	CIENA CORP	—	171779309	$208.86M	0.71%	Equity Common	US
59	Expedia Group Inc	EXPEDIA GROUP IN	—	30212P303	$205.49M	0.70%	Equity Common	US
60	Corning Inc	CORNING INC	—	219350105	$199.64M	0.68%	Equity Common	US
61	Verisk Analytics Inc	VERISK ANALYTI	—	92345Y106	$199.09M	0.68%	Equity Common	US
62	Veeva Systems Inc	VEEVA SYSTEMS-A	—	922475108	$197.67M	0.68%	Equity Common	US
63	Mettler-Toledo International Inc	METTLER-TOLEDO	—	592688105	$194.98M	0.67%	Equity Common	US
64	Electronic Arts Inc	ELECTRONIC ARTS	—	285512109	$194.03M	0.66%	Equity Common	US
65	Coterra Energy Inc	COTERRA ENERGY I	—	127097103	$193.32M	0.66%	Equity Common	US
66	Autodesk Inc	AUTODESK INC	—	052769106	$193.01M	0.66%	Equity Common	US
67	Lumentum Holdings Inc	LUMENTUM HOL	—	55024U109	$190.83M	0.65%	Equity Common	US
68	Live Nation Entertainment Inc	LIVE NATION ENTE	—	538034109	$190.66M	0.65%	Equity Common	US
69	Snowflake Inc	SNOWFLAKE INC	—	833445109	$186.46M	0.64%	Equity Common	US
70	Comfort Systems USA Inc	COMFORT SYSTEMS	—	199908104	$184.47M	0.63%	Equity Common	US
71	Fortinet Inc	FORTINET INC	—	34959E109	$183.97M	0.63%	Equity Common	US
72	Dexcom Inc	DEXCOM	—	252131107	$183.84M	0.63%	Equity Common	US
73	LPL Financial Holdings Inc	LPL FINANCIAL HO	—	50212V100	$183.23M	0.63%	Equity Common	US
74	Fair Isaac Corp	FAIR ISAAC CORP	—	303250104	$182.99M	0.63%	Equity Common	US
75	Tractor Supply Co	TRACTOR SUPPLY	—	892356106	$181.36M	0.62%	Equity Common	US
76	Ulta Beauty Inc	ULTA BEAUTY INC	—	90384S303	$176.37M	0.60%	Equity Common	US
77	Ares Management Corp	ARES MANAGEM- A	—	03990B101	$174.14M	0.60%	Equity Common	US
78	Apollo Global Management Inc	APOLLO GLOBAL MA	—	03769M106	$171.52M	0.59%	Equity Common	US
79	Coreweave Inc	COREWEAVE I-CL A	—	21873S108	$170.76M	0.58%	Equity Common	US
80	Coherent Corp	COHERENT CORP	—	19247G107	$169.84M	0.58%	Equity Common	US
81	Church & Dwight Co Inc	CHURCH & DWIGHT	—	171340102	$168.01M	0.57%	Equity Common	US
82	Equifax Inc	EQUIFAX INC	—	294429105	$164.73M	0.56%	Equity Common	US
83	Veralto Corp	VERALTO CORP	—	92338C103	$158.35M	0.54%	Equity Common	US
84	VeriSign Inc	VERISIGN INC	—	92343E102	$155.90M	0.53%	Equity Common	US
85	Rockwell Automation Inc	ROCKWELL AUTOMAT	—	773903109	$153.35M	0.52%	Equity Common	US
86	EQT Corp	EQT CORP	—	26884L109	$151.09M	0.52%	Equity Common	US
87	Corpay Inc	CORPAY INC	—	219948106	$147.10M	0.50%	Equity Common	US
88	Broadridge Financial Solutions Inc	BROADRIDGE FINL	—	11133T103	$144.28M	0.49%	Equity Common	US
89	MongoDB Inc	MONGODB INC	—	60937P106	$143.95M	0.49%	Equity Common	US
90	Brown & Brown Inc	BROWN & BROWN	—	115236101	$143.52M	0.49%	Equity Common	US
91	SBA Communications Corp	SBA COMM CORP	—	78410G104	$139.48M	0.48%	Equity Common	US
92	Rocket Lab Corp	ROCKET LAB CORP	—	773121108	$138.59M	0.47%	Equity Common	US
93	Bloom Energy Corp	BLOOM ENERGY C-A	—	093712107	$137.33M	0.47%	Equity Common	US
94	West Pharmaceutical Services Inc	WEST PHARMACEUT	—	955306105	$137.30M	0.47%	Equity Common	US
95	Reddit Inc	REDDIT INC-A	—	75734B100	$135.87M	0.46%	Equity Common	US
96	Insmed Inc	INSMED INC	—	457669307	$134.05M	0.46%	Equity Common	US
97	CoStar Group Inc	COSTAR GROUP INC	—	22160N109	$128.81M	0.44%	Equity Common	US
98	Rollins Inc	ROLLINS INC	—	775711104	$127.04M	0.43%	Equity Common	US
99	Lululemon Athletica Inc	LULULEMON ATH	—	550021109	$124.11M	0.42%	Equity Common	US
100	Las Vegas Sands Corp	LAS VEGAS SANDS	—	517834107	$123.91M	0.42%	Equity Common	US
101	HEICO Corp	HEICO CORP-A	—	422806208	$121.76M	0.42%	Equity Common	US
102	Ingersoll Rand Inc	INGERSOLL-RAND I	—	45687V106	$119.33M	0.41%	Equity Common	US
103	Zscaler Inc	ZSCALER INC	—	98980G102	$111.52M	0.38%	Equity Common	US
104	Flutter Entertainment PLC	FLUTTER ENTER-DI	—	G3643J108	$108.75M	0.37%	Equity Common	US
105	Interactive Brokers Group Inc	INTERACTIVE BROK	—	45841N107	$107.92M	0.37%	Equity Common	US
106	Texas Pacific Land Corp	TEXAS PACIFIC LA	—	88262P102	$105.76M	0.36%	Equity Common	US
107	Tradeweb Markets Inc	TRADEWEB MARKE-A	—	892672106	$103.51M	0.35%	Equity Common	US
108	Sunbelt Rentals Holdings Inc	SUNBELT RENTALS	—	866966104	$103.00M	0.35%	Equity Common	US
109	Rocket Cos Inc	ROCKET COS INC-A	—	77311W101	$99.57M	0.34%	Equity Common	US
110	Super Micro Computer Inc	SUPER MICRO COMP	—	86800U302	$88.18M	0.30%	Equity Common	US
111	Atlassian Corp	ATLASSIAN CORP-A	—	049468101	$88.05M	0.30%	Equity Common	US
112	Markel Group Inc	MARKEL GROUP INC	—	570535104	$86.97M	0.30%	Equity Common	US
113	HEICO Corp	HEICO CORP	—	422806109	$86.26M	0.29%	Equity Common	US
114	STERIS PLC	STERIS PLC	—	G8473T100	$82.48M	0.28%	Equity Common	US
115	Burlington Stores Inc	BURLINGTON STORE	—	122017106	$77.87M	0.27%	Equity Common	US
116	First Solar Inc	FIRST SOLAR INC	—	336433107	$76.48M	0.26%	Equity Common	US
117	Estee Lauder Cos Inc/The	ESTEE LAUDER	—	518439104	$67.48M	0.23%	Equity Common	US
118	NVR Inc	NVR INC	—	62944T105	$66.51M	0.23%	Equity Common	US
119	Insulet Corp	INSULET CORP	—	45784P101	$56.18M	0.19%	Equity Common	US
120	Tyler Technologies Inc	TYLER TECHNOLOG	—	902252105	$55.97M	0.19%	Equity Common	US
121	Hubbell Inc	HUBBELL INC	—	443510607	$49.61M	0.17%	Equity Common	US
122	TKO Group Holdings Inc	TKO GROUP HOLDIN	—	87256C101	$47.83M	0.16%	Equity Common	US
123	HubSpot Inc	HUBSPOT INC	—	443573100	$46.51M	0.16%	Equity Common	US
124	GoDaddy Inc	GODADDY INC-A	—	380237107	$41.93M	0.14%	Equity Common	US
125	Vanguard Cmt Funds-Vanguard Market Liquidity Fund	Vanguard Market Liquidity Fund	—	N/A	$40.70M	0.14%	Short-Term Investment Vehicle	US
126	Pinterest Inc	PINTEREST INC -A	—	72352L106	$38.79M	0.13%	Equity Common	US
127	Trade Desk Inc/The	TRADE DESK INC-A	—	88339J105	$38.00M	0.13%	Equity Common	US
128	Trimble Inc	TRIMBLE INC	—	896239100	$29.02M	0.10%	Equity Common	US
129	Blue Owl Capital Inc	BLUE OWL CAPITAL	—	09581B103	$23.11M	0.08%	Equity Common	US
130	Vanguard Cmt Funds-Vanguard Market Liquidity Fund	Vanguard Market Liquidity Fund	—	N/A	$18.31M	0.06%	Short-Term Investment Vehicle	US
131	Symbotic Inc	SYMBOTIC INC	—	87151X101	$13.36M	0.05%	Equity Common	US
132	Venture Global Inc	VENTURE GLOBAL-A	—	92333F101	$7.19M	0.02%	Equity Common	US
Total (132)					$29.28B	100.12%

Derivatives

Futures(2)

Title / Reference	Counterparty	Notional	Unrealized P&L	% NAV	Term/Exp
S&P 500 Index	MORGAN STANLEY & CO LLC	$8.95M	-$83.42K	-0.00%	2026-06-18
S&P 400 Index	MORGAN STANLEY & CO LLC	$11.49M	$55.03K	0.00%	2026-06-18

Portfolio Breakdown

By asset category — % of net assets

Equity Common

$29.23B

99.92%

Short-Term Investment Vehicle

$59.01M

0.20%

Equity Derivative

$138.45K

0.00%

By country

🇺🇸 US

$29.28B

100.12%

N/A

$138.45K

0.00%

Top 511.49%

Top 1020.25%

Top 2033.70%

Counterparty Exposure

Total notional · $20.45M

Counterparty	LEI	Positions	Total Notional
MORGAN STANLEY & CO LLC	9R7GPTSO7KV3UQJZQ078	2	$20.45M

Performance

Monthly returns by class

Class	Month 1	Month 2	Month 3
C000105306	-0.92%	+0.73%	-7.43%
C000034428	-0.92%	+0.74%	-7.43%
C000034427	-0.93%	+0.74%	-7.44%

Monthly flows

Month	Sales	Reinvestment	Redemption
Month 1	$362.27M	$60.51	$339.86M
Month 2	$227.97M	$81.13	$400.47M
Month 3	$312.41M	$22.01M	$398.68M

Realized changes

Month	Net Realized Gain	Net Unrealized Appreciation
Month 1	$8.43M	-$311.46M
Month 2	$31.48M	$181.15M
Month 3	-$275.35M	-$2.09B