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IWO holdings and overlap

Edited by VoidLab Data through 2026-09-04 Page updated 2026-09-04

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IWOiShares Russell 2000 Growth ETFSmall Growth, iShares, 1098 positions

Last close, 2026-09-04

$377.54 +0.12%

52-week range 301 to 396

Largest position

MOGA

0.67% of the fund, Moog Inc

Positions

1098

6.1% in the ten largest

Cost per year

0.24%

$24 a year on $10,000

Assets

$14.9B

under management

Return, 3 years

+64.2%

cumulative, total return

Worst fall

-26.0%

peak to trough, 3 years, weekly closes

What does IWO hold, as of its issuer file of 2026-09-03?

IWO holds 1098 positions as of the issuer file dated 2026-09-03. The three largest are Moog Inc at 0.67%, Glaukos at 0.66% and Brightspring Health Services Inc at 0.63%; no ten names make up even 15% of it.

Rank	Company	Weight
1	MOGA Moog Inc	0.67%
2	GKOS Glaukos	0.66%
3	BTSG Brightspring Health Services Inc	0.63%
4	EAT Brinker International Inc	0.63%
5	FROG Jfrog	0.63%
6	KRYS Krystal Biotech	0.62%
7	FCFS Firstcash Holdings Inc	0.59%
8	PTGX Protagonist Therapeutics	0.58%
9	PRAX Praxis Precision Medicines	0.57%
10	IDCC Interdigital Inc	0.56%
11	HQY Healthequity	0.53%
12	TWST Twist Bioscience	0.53%
13	RHP Ryman Hospitality Properties REIT	0.53%
14	TGTX TG Therapeutics	0.52%
15	OSCR Oscar Health	0.49%
16	SNEX Stonex Group Inc	0.48%
17	TXG 10X Genomics	0.48%
18	ZETA Zeta Global Holdings	0.47%
19	SLAB Silicon Laboratories	0.46%
20	ESE Esco Technologies	0.46%
21	ZWS Zurn Elkay Water Solutions Corp	0.46%
22	FSS Federal Signal Corp	0.45%
23	COMP Compass Inc	0.43%
24	LNTH Lantheus Holdings	0.42%
25	PLXS Plexus Corp	0.42%
26	SYRE Spyre Therapeutics Inc	0.41%
27	ANF Abercrombie and Fitch	0.41%
28	QLYS Qualys	0.4%
29	MGY Magnolia Oil Gas Corp	0.4%
30	ALKS Alkermes	0.4%
31	ENS Enersys	0.4%
32	KGS Kodiak Gas Services Inc	0.4%
33	QBTS D Wave Quantum	0.39%
34	CWST Casella Waste Systems	0.39%
35	CVLT Commvault Systems	0.39%
36	KYMR Kymera Therapeutics	0.38%
37	HIMS Hims Hers Health	0.38%
38	NPO Enpro	0.38%
39	TVTX Travere Therapeutics	0.38%
40	FTDR Frontdoor Inc	0.38%
41	XENE Xenon Pharmaceuticals	0.38%
42	CIFR Cipher Digital Inc	0.37%
43	SRRK Scholar Rock Holding	0.37%
44	SXT Sensient Technologies	0.37%
45	COGT Cogent Biosciences	0.37%
46	LGND Ligand Pharmaceuticals	0.37%
47	RYTM Rhythm Pharmaceuticals	0.37%
48	TTAN Servicetitan	0.36%
49	ENVA Enova International	0.36%
50	UEC Uranium Energy	0.36%
51	AROC Archrock	0.36%
52	IBP Installed Building Products	0.36%
53	AGX Argan	0.36%
54	NE Noble Corporation PLC	0.36%
55	PIPR Piper Sandler Companies	0.35%
56	ACIW Aci Worldwide	0.35%
57	CGON CG Oncology	0.35%
58	PCVX Vaxcyte	0.34%
59	NOVT Novanta	0.34%
60	RDNT Radnet	0.34%
61	BCPC Balchem	0.34%
62	VRNS Varonis Systems	0.34%
63	VSXY Victoria S Secret	0.33%
64	MXL Maxlinear	0.33%
65	PI Impinj	0.32%
66	DNTH Dianthus Therapeutics Inc	0.32%
67	CAKE Cheesecake Factory Inc	0.32%
68	WHD Cactus	0.32%
69	MTRN Materion	0.32%
70	PTCT PTC Therapeutics	0.32%
71	AIR Aar	0.32%
72	RIOT Riot Platforms	0.32%
73	ROAD Construction Partners	0.31%
74	CSW CSW Industrials	0.31%
75	DFTX Definium Therapeutics Inc	0.31%
76	CORZ Core Scientific Inc	0.31%
77	PRM Perimeter Solutions	0.31%
78	LQDA Liquidia	0.31%
79	HUT Hut Corp	0.3%
80	RGTI Rigetti Computing	0.3%
81	GVA Granite Construction	0.3%
82	MRCY Mercury Systems Inc	0.3%
83	MIRM Mirum Pharmaceuticals	0.3%
84	OII Oceaneering International Inc	0.3%
85	HCC Warrior Met Coal Inc	0.3%
86	OUT Outfront Media	0.3%
87	TDW Tidewater	0.3%
88	BDC Belden	0.3%
89	JOBY Joby Aviation	0.3%
90	RUSHA Rush Enterprises	0.29%
91	BGC BGC Group Inc	0.29%
92	ORKA Oruka Therapeutics Inc	0.29%
93	BOOT Boot Barn Holdings	0.29%
94	PSMT Pricesmart	0.29%
95	HAE Haemonetics Corp	0.29%
96	MYRG Myr Group Inc	0.28%
97	BCO Brinks	0.28%
98	DK Delek US Holdings Inc	0.28%
99	LAUR Laureate Education	0.28%
100	CVCO Cavco Industries	0.28%

Issuer file 1 day old on 2026-09-04, against a median of 1 across the funds with a page. Every one of the 1098 positions with its weight is in the fund's JSON file. See which other ETFs hold MOGA, and at what weight.

What does IWO duplicate?

The fund nearest to IWO is VTWG: the two hold 92.1% of their weight in common, in the 1088 companies both own, and 99.2% of IWO itself is also held there. Owning IWO alongside the funds at the top of this table means holding mostly the same companies twice. IWO is close to contained in VTWG.

Fund	Overlap by weight	Of IWO held there	Of that fund in IWO	Companies in both
VTWG	92.1%	99.2%	98.0%	1088
IWM	55.2%	100.0%	64.8%	1095
VTWO	54.3%	99.2%	63.5%	1088
SPSM	39.3%	44.2%	49.1%	286
VIOO	39.1%	43.9%	49.1%	284
SLYG	38.4%	39.4%	68.2%	229
VIOG	38.4%	39.4%	68.3%	229
OMFS	37.5%	68.5%	66.3%	593
QVMS	37.0%	38.8%	49.0%	249
PRFZ	35.4%	74.1%	45.5%	655
ISCG	33.8%	77.4%	36.5%	500
SCHA	33.7%	90.7%	37.6%	772

From each issuer's latest file. Check IWO against any fund in the ETF overlap calculator · how overlap is measured.

What adds something different to IWO?

MGK shares 0% of weight with IWO and its weekly returns correlate with it at 0.69 over three years. The table lists the covered funds with the least in common with IWO, least shared weight first and, among equals, lowest correlation.

Fund	Name	Overlap by weight	Correlation, 3y
MGK	Vanguard Morningstar Mega Cap Growth ETF	0.0%	0.69
SPMO	Invesco S&P 500 Momentum ETF	0.0%	0.72
VONG	Vanguard Russell 1000 Growth ETF	0.0%	0.73
SPHQ	Invesco S&P 500 Quality ETF	0.0%	0.77
VOE	Vanguard Morningstar Mid-Cap Value ETF	0.0%	0.79
MGV	Vanguard Morningstar Mega Cap Value ETF	0.0%	0.79
VV	Vanguard Morningstar Large-Cap ETF	0.0%	0.82
VONE	Vanguard Russell 1000 ETF	0.0%	0.84

Cost, returns and risk

Expense ratio	0.24%
Dividend yield	0.44%
Total return, 1 year	22.1%
Total return, 3 years cumulative	64.2%
Total return, 5 years cumulative	29.5%
Volatility, annualised	20.8%
Worst fall, 3 years	-26.0%
Beta against SPY, 3 years of weekly returns	1.19
Weight in the ten largest positions	6.1%
Largest single position	0.7%
Assets under management	$14.9B

Expense ratio, yield and assets are reference data; every other figure is computed here from weekly closes.

How it moves with the market

Against	Correlation, 3 years	Covariance, annualised, in percent squared
SPY	0.82often in step	247
QQQ	0.75often in step	306

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

Year by year

Year	Total return
2026	17.1%
2025	12.9%
2024	15.0%
2023	18.5%
2022	-26.3%

One year

IWO 121 SPY 118

2025-09-122026-09-04

IWO rebased to 100 a year ago, weekly closes, prices through 2026-09-04.

Where to go next

PBW, Invesco WilderHill Clean Energy ETF
SLYG, State Street SPDR S&P 600™ Small Cap Growth ETF
VBK, Vanguard Morningstar Small-Cap Growth ETF
VIOG, Vanguard S&P Small-Cap 600 Growth ETF
Run a portfolio x-ray to see what IWO carries once you look through it
Compare IWO against any other fund in the builder

Holdings from the issuer file published 2026-09-03. Prices through 2026-09-04. How every figure here is produced. Measurements, not investment advice.