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Here at ETF.com, we talk a lot about flows into and out of ETFs. Each day, each week and each month, we put together lists of the exchange-traded funds that garner the largest inflows and the largest outflows of assets—an indication of where investors are putting their money to work.Most of the time, the same batch of ETFs finds itself on these lists. These funds are usually super liquid, extraordinarily cheap and have billions of dollars in assets. For example, the $983 billion Vanguard S&P 500 ETF (VOO) and the $144 billion State Street SPDR Portfolio S&P 500 ETF (SPYM) are among the ETFs that have had the largest inflows so far this year.No matter how you slice it, their respective year-to-date inflows of $78 billion and $36 billion are sizable. That said, VOO and SPYM aren't necessarily the ETFs growing the fastest.On an absolute basis they are, but not on a percentage basis. Since the start of the year, VOO has grown from $833 billion to $983 billion—a combination of inflows and price appreciation—equal to a percentage increase of 18%. SPYM has gone from $97 billion to $144 billion, an increase of 49%.Both have seen impressive growth, especially for their size, but they are nowhere close to the top of the heap.On a percentage basis, there are myriad ETFs that have grown much faster in 2026. These are ETFs that almost never make our flows lists because they are starting from a much smaller asset base.In this article, we'll take a look at these fast-growing funds, which, in many cases, are flying under the radar of the ETF investing public at large.

Admittedly, it's much easier for a small fund to register a big percentage increase in its assets. A fund with only $1 million in assets under management simply has to grow to $2 million for its assets to double. Is that noteworthy? Not really.How about a $1 million fund growing to $50 million? Now that could be noteworthy for some; others might not pay attention until a fund grows even larger, into the hundred-million or even the billion-dollar range.That's why we've put together two lists: one that showcases the fastest-growing ETFs of the year no matter their starting level of assets, and another that includes ETFs that had $50 million or more in assets at the start of 2026.Growth is measured in terms of assets as of June 8 compared to what they were at the start of the year. Growth can come from inflows and/or price appreciation.

ETFs are increasingly being used in model portfolios, which are prepackaged baskets of funds that financial advisors deploy across many client accounts at the same time, so some of the names saw enormous increases in assets thanks to suddenly being included in a popular model portfolio.Other times, one big institutional investor can move the needle on its own. A single large allocation from a pension fund, hedge fund, or another deep-pocketed buyer can be enough to double or triple the assets of a fund.Then there are the cases where broad-based interest in a fund catapulted it higher, with no single buyer responsible.Only ETFs that were trading at the start of the year are included. That means a fund like Roundhill Memory ETF (DRAM), which launched in April, isn't included, even though it's one of the fastest growing funds of all time.To learn about each fund click the links below and read the individual fund pages. Fund pages can also be accessed by typing ETF.com/ticker into your browser.

 

Fund Name

Ticker

AUM 12/31/25

AUM 6/8/26

Growth (%)

KraneShares InspereX Nasdaq Dynamic Buffered High Income Index ETF

KIQQ 

0

3

5140707%

Portfolio Building Block World Pharma and Biotech Index ETF

PBPH 

1

802

79364%

Portfolio Building Block Integrated Oil Gas Exploration & Production Index ETF

PBOG

1

526

52021%

Portfolio Building Block European Banks Index ETF

PBEU 

1

539

46680%

iShares International Country Rotation Active ETF

CORO

16

7,222

46448%

Pathfinder Focused Opportunities ETF

PFOE 

0

79

15754%

John Hancock Core Bond ETF

JHCR 

16

2,266

14172%

TrueShares S&P Autocallable Defensive Income ETF

PAYM 

1

116

11481%

Leverage Shares 2X Long SATS Daily ETF

SATG 

1

64

9788%

iShares Defense Industrials Active ETF

IDEF 

42

3,885

9174%

Xtrackers S&P 100 Ex Top 20 ETF

XOEX 

3

227

7672%

iShares Global Government Bond USD Hedged Active ETF

GGOV

42

2,627

6154%

iShares Systematic Alternatives Active ETF

IALT 

75

4,447

5847%

Ishares Long-Term National Muni Bond ETF

LMUB

29

1,622

5511%

iShares Large Cap Core Active ETF

BLCR 

109

6,014

5427%

Leverage Shares 2x Long IREN Daily ETF

IREG 

1

28

4836%

Franklin Small Cap Enhanced ETF

FSML 

2

115

4577%

Simplify US Equity PLUS Managed Futures Strategy ETF

CTAP 

4

180

3940%

Truth Social American Next Frontiers ETF

TSNF 

0

10

3807%

GraniteShares 2x Long NOW Daily ETF

NOWL

6

242

3752%

Fund Name

Ticker

AUM 12/31/25

AUM 6/8/26

Growth (%)

iShares Systematic Alternatives Active ETF

IALT 

75

4447

5847%

iShares Large Cap Core Active ETF

BLCR

109

6014

5427%

AB Emerging Markets Opportunities ETF

EMOP

55

2115

3749%

Baron First Principles ETF

RONB

71

1714

2319%

GraniteShares 2x Long MU Daily ETF

MULL 

83

1164

1295%

ProShares UltraShort Bloomberg Crude Oil

SCO 

88

1128

1175%

KraneShares Artificial Intelligence and Technology ETF

AGIX 

93

1031

1013%

Direxion Daily MU Bull 2X ETF

MUU 

516

5332

934%

First Trust Nasdaq Oil & Gas ETF

FTXN 

99

977

886%

State Street IG Public & Private Credit ETF

PRIV 

97

845

774%

United States Brent Oil Fund LP

BNO 

100

872

768%

Goldman Sachs Core Bond ETF

GBND

65

518

701%

Invesco Agriculture Commodity Strategy NO K-1 Etf

PDBA

61

478

680%

VistaShares Artificial Intelligence Supercycle ETF

AIS 

101

766

658%

Vanguard Short Duration Bond ETF

VSDB

126

871

594%

AllianzIM US EQ Buffer20 May

MAYW

68

445

556%

Procure Space ETF

UFO

175

1119

541%

Defiance AI & Power Infrastructure ETF

AIPO 

115

739

540%

YieldMax Semiconductor Portfolio Option Income ETF

CHPY

166

1056

535%

GraniteShares 2x Long INTC Daily ETF

INTW 

104

637

513%

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