IVOO holdings and overlap

Vanguard S&P Mid-Cap 400 ETF (IVOO) holds 400 positions in its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29. Its three largest are Flex (FLEX) at 1.58%, Twilio (TWLO) at 0.82% and TechnipFMC (FTI) at 0.79%, and its ten largest make up 8.3% of the fund.

In its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29, IVOO is 25.8% industrials, 15.7% technology and 14.3% financials by sector, with none of it in mega-cap tech or in the ten largest US companies by market value.

Edited by VoidLab Data through Last revised

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IVOOVanguard S&P Mid-Cap 400 ETFUS Mid-Cap Blend, Vanguard, 400 positions
Last close, 2026-10-28
$124.19 +0.20%
52-week range 105 to 133
Largest position, N-PORT 2026-05-31
FLEX
1.58% of the ETF, Flex
Positions, N-PORT 2026-05-31
400
8.3% in the ten largest
Cost per year
0.07%
$7 a year on $10,000
Assets
$5.7B
the whole fund, all share classes
Return, 3 years
+54.6%
cumulative, total return
Worst fall
-20.8%
peak to trough, 3 years, weekly closes

What does IVOO hold, from its SEC Form N-PORT for the period ended 2026-05-31?

Flex is 1.58% of IVOO on its own, against a median largest position of 1.2% across the 12 US Mid-Cap Blend funds with a page here. The position IVOO carries furthest above that group is Twilio at 0.82% of the fund, a company the median fund in that group does not hold at all.

The 100 largest of the 400 positions in IVOO's filing; all 400 are in the fund's JSON file.
RankCompanyWeightWeight bar
1 FLEX Flex 1.58%
2 TWLO Twilio 0.82%
3 FTI TechnipFMC 0.79%
4 CW Curtiss-Wright Corporation 0.79%
5 NVT nVent Electric 0.77%
6 STRL Sterling Infrastructure 0.75%
7 XPO XPO 0.72%
8 P Everpure 0.71%
9 ILMN Illumina 0.71%
10 UTHR United Therapeutics Corporation 0.68%
11 ATI ATI 0.68%
12 MTSI MACOM Technology Solutions 0.67%
13 FN Fabrinet 0.67%
14 CRS Carpenter Technology 0.67%
15 NXT Nextpower 0.66%
16 MTZ MasTec 0.66%
17 MKSI MKS 0.62%
18 ENTG Entegris 0.6%
19 OKTA Okta 0.6%
20 WWD Woodward 0.59%
21 BURL Burlington Stores 0.57%
22 LSCC Lattice Semiconductor 0.57%
23 AA Alcoa 0.57%
24 RS Reliance 0.57%
25 RBA RB Global 0.56%
26 SNX TD SYNNEX 0.56%
27 RGLD Royal Gold 0.52%
28 RBC RBC Bearings 0.52%
29 USFD US Foods 0.51%
30 TTMI TTM Technologies 0.51%
31 BWXT BWX Technologies 0.51%
32 TLN Talen Energy 0.5%
33 WCC WESCO International 0.5%
34 EWBC East West Bancorp 0.48%
35 ITT ITT 0.48%
36 WPC W. P. Carey Inc. REIT 0.46%
37 NBIX Neurocrine Biosciences 0.45%
38 APG APi Group 0.45%
39 NLY Annaly Capital Management 0.45%
40 SITM SiTime 0.45%
41 RMBS Rambus 0.45%
42 OVV DE Ovintiv 0.44%
43 PFGC Performance Food Group 0.44%
44 THC Tenet Healthcare 0.44%
45 DY Dycom Industries 0.44%
46 DKS Dick's Sporting Goods 0.43%
47 BWA BorgWarner 0.42%
48 SGI Somnigroup International 0.42%
49 PNFP Pinnacle Financial Partners 0.42%
50 JAZZ Jazz Pharmaceuticals 0.41%
51 MLI Mueller Industries 0.41%
52 PR Permian Resources 0.41%
53 DTM DT Midstream 0.41%
54 LECO Lincoln Electric 0.41%
55 CLH Clean Harbors 0.4%
56 NTNX Nutanix 0.4%
57 CSL Carlisle Companies 0.4%
58 ARMK Aramark 0.4%
59 OHI Omega Healthcare Investors 0.39%
60 RPM RPM International 0.39%
61 ROIV Roivant Sciences 0.39%
62 RRX Regal Rexnord 0.38%
63 SOLS Solstice Advanced Materials Inc. 0.38%
64 JLL Jones Lang LaSalle 0.38%
65 GLPI Gaming and Leisure Properties 0.38%
66 LAMR Lamar Advertising 0.38%
67 RGA Reinsurance Group of America 0.38%
68 EVR Evercore 0.38%
69 TOL Toll Brothers 0.37%
70 EXEL Exelixis 0.37%
71 GWRE Guidewire Software 0.37%
72 ONTO Onto Innovation 0.37%
73 WSO Watsco 0.37%
74 DT Dynatrace 0.36%
75 UNM Unum Group 0.36%
76 SAIA Saia 0.36%
77 FIVE Five Below 0.36%
78 GGG Graco 0.36%
79 PEN Penumbra 0.36%
80 DOCN DigitalOcean 0.35%
81 KNX Knight-Swift Transportation 0.35%
82 RNR RenaissanceRe 0.35%
83 NYT New York Times 0.35%
84 FNF Fidelity National Financial 0.34%
85 ALLY Ally Financial 0.34%
86 ELS Equity Lifestyle Properties 0.34%
87 TXRH Texas Roadhouse 0.34%
88 HL Hecla Mining 0.34%
89 ELAN Elanco Animal Health 0.34%
90 KTOS Kratos Defense & Security Solutions 0.34%
91 CG The Carlyle Group 0.34%
92 FHN First Horizon 0.33%
93 PINS Pinterest 0.33%
94 WBS 0.33%
95 EQH Equitable 0.33%
96 BLD 0.33%
97 LFUS Littelfuse 0.33%
98 AEIS Advanced Energy Industries 0.33%
99 CACI CACI International 0.32%
100 AIT Applied Industrial Technologies 0.32%

IVOO's holdings are from its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29, 150 days before these prices; a newer filing replaces it when the nightly read of EDGAR finds one. Every one of the 400 positions IVOO holds, with its weight, is in the fund's JSON file. See the other 93 ETFs with a page here that hold FLEX, and how their weights compare with the 1.58% IVOO gives it.

Category: US Mid-Cap Blend, set by TickerInside from the ETF's own latest file. In its file of 2026-05-31, 99% of its stocks are US companies; weighted by holding, they sit where 92% of their market's value is in larger companies (mid: 78% to 94%); growth index funds hold 36% of their value against 35% for companies of the same sizes in the whole market (blend: within 10 points). How categories are set.

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CSVhttps://tickerinside.com/api/v1/fund/ivoo.csv
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How is IVOO split by sector?

SectorWeightWeight bar
Industrials25.8%
Technology15.7%
Financials14.3%
Consumer discretionary10.9%
Health care8.7%
Real estate6.7%
Materials5.7%
Energy4.7%
Utilities3.1%
Consumer staples3.1%
Communication services1.0%

From its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29. How these are measured.

What did IVOO hold in its SEC reports since 2019?

In IVOO's SEC filings, its largest position went from Zebra Technologies (ZBRA) at 0.75% on 2019-11-30 to Flex Ltd. (FLEX) at 1.58% on 2026-05-31, across 27 quarterly reports.

Largest in 2019
ZBRA
0.75% on 2019-11-30
Largest in 2026
FLEX
1.58% on 2026-05-31
Ten largest
8.3%
6.5% in 2019
Quarterly reports
27
since 2019, SEC Form N-PORT
ReportPositionsLargestTop 10
2019-11-30391ZBRA 0.75%6.5%
2020-11-30388ENPH 0.89%7.2%
2021-11-30388SBNY 0.77%6.7%
2022-11-30397STLD 0.82%6.5%
2023-11-30397DECK 0.74%6.3%
2024-11-30398EME 0.76%6.6%
2025-11-30400FIX 1.08%7.7%
2026-05-31400FLEX 1.58%8.3%

The first report, then the last of each year, of the 27 reports IVOO filed on SEC Form N-PORT from 2019-11-30 to 2026-05-31, each company under its ticker today. Every position of every report is in its quarterly file, and at any date at /api/v1/history/ivoo/{date}.json. How these are read.

What does IVOO duplicate?

The ETF nearest to IVOO is SPMD: the two hold 85.4% of their weight in common, in the 381 companies both own, and 94.2% of IVOO itself is also held there. Owning IVOO alongside the ETFs at the top of this table means holding mostly the same companies twice.

ETFOverlap by weightOf IVOO held thereOf that ETF in IVOOCompanies in bothOverlap bar
SPMD 85.4% 94.2% 94.2% 381
IJH 85.4% 94.2% 94.2% 381
MDY 85.0% 94.2% 94.2% 381
QVMM 80.8% 86.2% 96.7% 347
IVOG 65.4% 67.3% 100.0% 242
IVOV 62.4% 65.8% 100.0% 302
MDYG 59.6% 62.5% 91.2% 231
MDYV 59.1% 63.7% 97.2% 288
RWK 54.0% 94.2% 95.2% 381
SCHM 53.7% 82.5% 53.8% 295
VB 43.0% 99.2% 43.1% 396
VBK 42.7% 49.3% 45.2% 159

The holdings of IVOO, IVOG and IVOV are from their SEC Form N-PORT filings for the period ended 2026-05-31, filed 2026-07-29. SCHM's holdings are from its SEC Form N-PORT for the period ended 2026-08-31, filed 2026-10-27. The holdings of VB and VBK are from their SEC Form N-PORT filings for the period ended 2026-06-30, filed 2026-08-28. The other ETFs' holdings are from their issuers' latest files. Check IVOO against any ETF in the ETF overlap calculator · how overlap is measured.

What adds something different to IVOO?

MCHI shares 0% of weight with IVOO and its weekly returns correlate with it at 0.30 over three years. The table lists the covered ETFs with the least in common with IVOO, least shared weight first and, among equals, lowest correlation.

ETFNameOverlap by weightCorrelation, 3yCompanies in both
MCHI iShares MSCI China ETF 0.0% 0.30 0
SMIN iShares MSCI India Small-Cap ETF 0.0% 0.35 0
RING iShares MSCI Global Gold Miners ETF 0.0% 0.36 0
KXI iShares Global Consumer Staples ETF 0.0% 0.38 0
KSA iShares MSCI Saudi Arabia ETF 0.0% 0.42 0
PFF iShares Preferred and Income Securities ETF 0.0% 0.67 0
OEF iShares S&P 100 ETF 0.0% 0.69 0
SCZ iShares MSCI EAFE Small-Cap ETF 0.0% 0.72 0

IVOO's holdings are from its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29. The other ETFs' holdings are from their issuers' latest files.

Cost, returns and risk

Expense ratio0.07%
Dividend yield1.23%
Total return, 1 year14.4%
Total return, 3 years cumulative54.6%
Total return, 5 years cumulative36.1%
Volatility, annualised15.9%
Worst fall, 3 years-20.8%
Beta against SPY, 3 years of weekly returns0.9
Weight in the ten largest positions8.3%
Largest single position1.6%
Assets, whole fund across share classes$5.7B

Expense ratio, yield and assets are reference data (the expense ratio from IVOO's SEC filing of 2026-06-30); the weight in the ten largest positions and the largest single position are from IVOO's SEC Form N-PORT for the period ended 2026-05-31; every other figure is computed here from weekly closes.

How it moves with the market

AgainstCorrelation, 3 yearsCovariance, annualised, in percent squared
SPY0.79often in step173
QQQ0.64loosely linked198

Weekly total returns. What the bands mean · why the covariance is printed.

Year by year

YearTotal return
202612.1%
20257.5%
202414.0%
202316.4%
2022-13.2%

One year

IVOO 114 SPY 116
2025-11-072026-10-30
IVOO rebased to 100 a year ago, weekly closes, prices through 2026-10-28.

Where to go next

Holdings from IVOO's SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29. Prices through 2026-10-28. How every figure here is produced. Measurements, not investment advice.

Cite this page

TickerInside, Vanguard S&P Mid-Cap 400 ETF (IVOO), holdings from SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29, https://tickerinside.com/etf/ivoo/, CC BY 4.0

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