Investors Pull Over $1B from ARK’s Flagship Innovation ETF (ARKK)

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Note: Flow data is reported after close on a T+1 basis. The flows in this report reflect create/redeem activity from Tuesday, September 23, 2025.

Market Flow Summary

The U.S. ETF market saw a total net inflow of +$18.63B. The top issuer by inflow was SPDR, which brought in +$5.28B. The top individual fund was Invesco QQQ Trust Series I (QQQ), attracting +$4.57B. Conversely, Vanguard experienced the largest outflows among issuers with -$4.71B, and Vanguard S&P 500 ETF (VOO) saw the largest single-fund outflow of -$2.57B.

Flow Summary by Asset Class

Equity and Fixed Income led the day with significant inflows of +$9.87B and +$8.11B, respectively. On a year-to-date basis, Equity remains the dominant leader with over +$468.32B in net flows.

Asset Class 1D Flow 1M Flow YTD Flow
Equity +$9.87B +$79.02B +$468.32B
Fixed Income +$8.11B +$48.07B +$296.86B
Non-Traditional +$871.79M +$1.81B +$48.88B
Multi-Asset +$44.78M +$778.13M +$3.94B
Alternative +$10.04M +$516.00M +$3.68B
Currency +$3.51M -$30.08M +$523.85M
Commodity -$35.67M +$10.79B +$36.37B
Digital Asset -$238.80M +$5.52B +$34.74B

*Note: Data for certain F/m products has been flagged for potential rebalancing activity.

Bottom 5 Brands by Outflows

Issuer Aggregate AUM 1D Flow 1D Flow as % of AUM
Vanguard $3.67T -$4.71B -0.13%
ARK $14.72B -$1.07B -7.24%
WisdomTree $88.63B -$213.60M -0.24%
FT Vest $44.44B -$187.68M -0.42%
JPMorgan $248.41B -$106.26M -0.04%

High-Velocity Brands

Issuer Aggregate AUM 1D Flow 1D Flow as % of AUM
F/m $8.03B +$6.77B +84.36%

*Note: Data for certain F/m products has been flagged for potential rebalancing activity.

Significant Single-Fund Movements

The Invesco QQQ Trust Series I (QQQ) led all funds with a remarkable inflow of +$4.57B. At the other end, the Vanguard S&P 500 ETF (VOO) saw the largest daily redemption, with outflows totaling -$2.57B.

Largest Absolute Daily Flows (Net Flows > $250M)

Fund (Ticker) AUM 1D Flow 1D Flow as % of AUM
Inflows
US Treasury 3 Month Bill ETF (TBIL) $5.97B +$5.96B +99.89%
Invesco QQQ Trust Series I (QQQ) $381.35B +$4.57B +1.20%
SPDR S&P 500 ETF Trust (SPY) $663.69B +$4.04B +0.61%
iShares Core S&P 500 ETF (IVV) $667.38B +$4.03B +0.60%
iShares Russell 2000 ETF (IWM) $69.21B +$2.19B +3.17%
SPDR Portfolio S&P 500 Growth ETF (SPYG) $43.39B +$1.10B +2.55%
SPDR Portfolio S&P 500 Value ETF (SPYV) $29.49B +$994.32M +3.37%
US Treasury 6 Month Bill ETF (XBIL) $801.57M +$801.66M +100.01%
iShares Russell Top 200 Growth ETF (IWY) $15.99B +$381.44M +2.39%
iShares Gold Trust (IAU) $58.04B +$327.98M +0.57%
Outflows
Vanguard S&P 500 ETF (VOO) $788.31B -$2.57B -0.33%
Vanguard Growth ETF (VUG) $195.14B -$1.75B -0.90%
ARK Innovation ETF (ARKK) $7.41B -$1.07B -14.49%
iShares Russell 1000 Growth ETF (IWF) $121.69B -$888.44M -0.73%
iShares Russell 1000 Value ETF (IWD) $63.80B -$830.82M -1.30%
iShares Broad USD Investment Grade Corporate Bond ETF (USIG) $14.83B -$635.05M -4.28%
SPDR Gold Shares (GLD) $121.24B -$452.78M -0.37%
Vanguard Mid-Cap ETF (VO) $89.22B -$394.06M -0.44%
Vanguard Value ETF (VTV) $148.53B -$376.52M -0.25%
SPDR Portfolio S&P 500 ETF (SPLG) $86.83B -$363.80M -0.42%

*Note: Data for certain F/m products has been flagged for potential rebalancing activity.

High-Velocity Inflows (AUM > $100M, 1D Flow > +5% of AUM)

Fund (Ticker) AUM 1D Flow 1D Flow as % of AUM
US Treasury 3 Month Bill ETF (TBIL) $5.97B +$5.96B +99.89%
Innovator U.S. Small Cap Power Buffer ETF – October (KOCT) $109.18M +$80.66M +73.88%
Direxion Daily MU Bull 2X Shares (MUU) $111.46M +$25.80M +23.15%
Defiance Daily Target 2x Short IONQ ETF (IONZ) $103.70M +$15.48M +14.93%
American Beacon GLG Natural Resources ETF (MGNR) $259.12M +$36.32M +14.02%
FT Vest U.S. Equity Moderate Buffer ETF – September (GSEP) $312.68M +$43.59M +13.94%
Defiance Daily Target 2x Long MSTR ETF (MSTX) $706.73M +$72.52M +10.26%
Defiance Daily Target 2X Long ORCL ETF (ORCX) $228.24M +$21.47M +9.41%
WisdomTree Efficient Gold Plus Gold Miners Strategy Fund (GDMN) $126.53M +$11.50M +9.09%
Avantis U.S. Quality ETF Shs Avantis US Growth Equity ETF (AVUQ) $171.52M +$15.42M +8.99%

*Note: Data for certain F/m products has been flagged for potential rebalancing activity.

High-Velocity Outflows (AUM > $100M, 1D Flow > -5% of AUM)

Fund (Ticker) AUM 1D Flow 1D Flow as % of AUM
FT Vest Buffered Allocation Growth ETF (BUFG) $415.45M -$128.66M -30.97%
FT Vest Buffered Allocation Defensive ETF (BUFT) $165.36M -$36.16M -21.87%
Bushido Capital US Equity ETF (SMRI) $569.34M -$103.90M -18.25%
ARK Innovation ETF (ARKK) $7.41B -$1.07B -14.49%
SPDR S&P Retail ETF (XRT) $356.57M -$39.13M -10.97%
Spear Alpha ETF (SPRX) $131.61M -$11.94M -9.07%
TCW Core Plus Bond ETF (FIXT) $239.05M -$20.16M -8.43%
ProShares Ether ETF (EETH) $124.79M -$10.15M -8.14%
Scharf ETF (KAT) $848.25M -$67.20M -7.92%
Global X Conscious Companies ETF (KRMA) $665.70M -$49.45M -7.43%

Custom Analysis and Daily Data

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Large Flow Activity Note: Daily create/redeem activity is a normal function of the ETF market. Large flows often reflect rebalancing activity by a single large institution and are not necessarily indicative of broad market sentiment.

Disclosures

This report is for informational purposes only and does not constitute investment advice or a recommendation to buy or sell any security. ETF Action is not a registered investment advisor.

All data is sourced from proprietary and third-party sources believed to be reliable, but its accuracy and completeness are not guaranteed. Past performance is not indicative of future results.