Note: Flow data is reported after close on a T+1 basis. The flows in this report reflect create/redeem activity from Monday, September 15, 2025.
Market Flow Summary
The U.S. ETF market recorded a total net inflow of $9.56 billion. The top issuer by inflow was Vanguard, which attracted $8.68 billion. The single fund with the largest inflow was the SPDR S&P 500 ETF Trust (SPY). On the other side of the ledger, ARK saw the largest outflows among issuers, shedding -$3.15 billion. The ARK Innovation ETF (ARKK) experienced the most significant single-fund outflow. The most notable high-velocity brand was ARK, which saw outflows representing -16.22% of its aggregate assets under management.
Flow Summary by Asset Class
Equity led all asset classes in daily inflows, attracting +$8.12 billion, followed by Digital Assets with +$656.49 million. On a year-to-date basis, Equity remains the dominant asset class, having accumulated +$446.31 billion in net new assets.
Asset Class | 1D Flow | 1M Flow | YTD Flow |
---|---|---|---|
Equity | +$8.12B | +$65.42B | +$446.31B |
Digital Asset | +$656.49M | +$3.41B | +$34.18B |
Fixed Income | +$339.07M | +$40.85B | +$280.44B |
Non-Traditional | +$266.94M | +$4.26B | +$48.91B |
Alternative | +$68.73M | +$561.26M | +$3.47B |
Multi-Asset | +$68.69M | +$698.97M | +$3.70B |
Commodity | +$30.96M | +$5.53B | +$31.81B |
Currency | +$5.57M | -$35.51M | +$542.56M |
Top/Bottom Five Category Flows
U.S. large-cap blend and growth strategies saw the most significant inflows, while thematic multi-sector and corporate bond funds experienced the largest redemptions.
Top 5 Category Inflows
Category | 1D Flow |
---|---|
Equity: U.S. Large Cap – Blend | +$3.45B |
Equity: U.S. Large Cap – Growth | +$2.44B |
Equity: U.S. Small Cap – Blend | +$1.55B |
Equity: U.S. Small Cap – Value | +$1.17B |
Equity: U.S. Mid Cap – Blend | +$1.12B |
Bottom 5 Category Outflows
Category | 1D Flow |
---|---|
Equity: Thematic – Multi-Sector | -$2.44B |
Fixed Income: Taxable – Corporate | -$423.62M |
Equity: Sector – Consumer Staples | -$413.65M |
Equity: Thematic – Disruptive Tech | -$392.54M |
Equity: Sector – Consumer Discretionary | -$307.35M |
ETF Issuer Flow Analysis
Vanguard led all issuers with a +$8.68 billion inflow, representing +0.24% of its AUM. Conversely, ARK experienced the largest outflow at -$3.15 billion, a -16.22% change in its AUM. Bluemonte stood out as the top high-velocity brand, with an inflow of +$187.16 million translating to a significant +10.20% of its total AUM.
Notably, the significant and often volatile flows seen in ARK’s suite of ETFs have continued in recent weeks. These recurring large-scale movements suggest that some institutional investors may be using these products as a tactical vehicle to gain or shed exposure to a specific basket of disruptive technology stocks.
Top 5 Brands by Inflows
Issuer | Aggregate AUM | 1D Flow | 1D Flow as % of AUM |
---|---|---|---|
Vanguard | $3,638.74B | +$8.68B | +0.24% |
SPDR | $1,709.11B | +$1.32B | +0.08% |
iShares | $3,724.76B | +$935.02M | +0.03% |
John Hancock | $8.56B | +$334.07M | +4.06% |
Bluemonte | $2.02B | +$187.16M | +10.20% |
Bottom 5 Brands by Outflows
Issuer | Aggregate AUM | 1D Flow | 1D Flow as % of AUM |
---|---|---|---|
ARK | $16.29B | -$3.15B | -16.22% |
Invesco | $745.89B | -$430.96M | -0.06% |
Direxion | $54.20B | -$273.05M | -0.50% |
FT Vest | $43.99B | -$142.08M | -0.32% |
WisdomTree | $88.54B | -$109.23M | -0.12% |
High-Velocity Brands (Aggregate AUM > $500M, 1D Flow > +/- 5% of AUM)
Issuer | Aggregate AUM | 1D Flow | 1D Flow as % of AUM |
---|---|---|---|
ARK | $16.29B | -$3.15B | -16.22% |
Bluemonte | $2.02B | +$187.16M | +10.20% |
Tradr | $1.53B | +$97.12M | +6.79% |
T-Rex | $2.92B | +$166.15M | +6.03% |
Summit Global Investments | $0.92B | -$49.76M | -5.11% |
Significant Single-Fund Movements
The SPDR S&P 500 ETF Trust (SPY) attracted the day’s largest inflow, gathering +$2.38 billion. The ARK Innovation ETF (ARKK) saw the largest redemption, with an outflow of -$2.46 billion.
Largest Absolute Daily Flows (Net Flows > $250M)
Fund (Ticker) | AUM | 1D Flow | 1D Flow as % of AUM |
---|---|---|---|
Inflows | |||
SPDR S&P 500 ETF Trust (SPY) | $667.36B | +$2.38B | +0.36% |
Vanguard S&P 500 ETF (VOO) | $788.96B | +$2.34B | +0.30% |
Vanguard Growth ETF (VUG) | $191.68B | +$1.83B | +0.97% |
Vanguard Small-Cap ETF (VB) | $67.44B | +$1.12B | +1.69% |
Vanguard Small Cap Value ETF (VBR) | $31.59B | +$1.04B | +3.40% |
Vanguard Total Stock Market ETF (VTI) | $539.13B | +$740.54M | +0.14% |
iShares Russell 1000 Value ETF (IWD) | $63.75B | +$567.09M | +0.90% |
SPDR S&P Midcap 400 ETF Trust (MDY) | $24.44B | +$525.25M | +2.20% |
Vanguard Mid-Cap ETF (VO) | $88.50B | +$466.04M | +0.53% |
Vanguard Value ETF (VTV) | $147.20B | +$449.00M | +0.31% |
Outflows | |||
ARK Innovation ETF (ARKK) | $8.60B | -$2.46B | -22.25% |
iShares Core S&P 500 ETF (IVV) | $636.82B | -$2.42B | -0.38% |
ARK Next Generation Internet ETF (ARKW) | $2.91B | -$620.70M | -17.56% |
Invesco QQQ Trust Series I (QQQ) | $371.22B | -$532.50M | -0.14% |
SPDR Dow Jones Industrial Average ETF Trust (DIA) | $40.16B | -$528.98M | -1.30% |
SPDR Gold Minishares Trust of beneficial interest (GLDM) | $19.80B | -$391.07M | -1.94% |
Consumer Staples Select Sector SPDR Fund (XLP) | $16.43B | -$385.04M | -2.29% |
Vanguard Intermediate-Term Corporate Bond ETF (VCIT) | $56.24B | -$371.68M | -0.66% |
Direxion Daily TSLA Bull 2X Shares (TSLL) | $7.13B | -$303.83M | -4.08% |
Consumer Discretionary Select Sector SPDR Fund (XLY) | $24.66B | -$240.68M | -0.97% |
High-Velocity Inflows (AUM > $100M, 1D Flow > +5% of AUM)
Fund (Ticker) | AUM | 1D Flow | 1D Flow as % of AUM |
---|---|---|---|
Bluemonte Global Equity ETF (BINT) | $359.21M | +$119.87M | +50.08% |
Innovator U.S. Equity Ultra Buffer ETF – September (USEP) | $217.46M | +$59.66M | +37.80% |
T-Rex 2X Long HOOD Daily Target ETF (ROBN) | $248.32M | +$60.31M | +32.08% |
Tradr 2X Short TSLA Daily ETF (TSLQ) | $539.06M | +$114.81M | +27.06% |
Bluemonte Diversified Income ETF (BLUI) | $104.65M | +$19.71M | +23.21% |
GraniteShares 2x Long AMD Daily ETF (AMDL) | $639.22M | +$88.68M | +16.11% |
ProShares Ultra VIX Short-Term Futures ETF (UVXY) | $569.77M | +$72.36M | +14.55% |
Innovator U.S. Equity Buffer ETF – September (BSEP) | $227.81M | +$27.58M | +13.77% |
John Hancock Multifactor Small Cap ETF (JHSC) | $680.61M | +$73.07M | +12.03% |
Bluemonte Dynamic Total Market ETF (BLUX) | $399.25M | +$41.68M | +11.66% |
Direxion Daily AAPL Bull 2X Shares (AAPU) | $219.20M | +$22.69M | +11.55% |
ProShares DJ Brookfield Global Infrastructure ETF (TOLZ) | $143.10M | +$12.93M | +9.93% |
THOR Index Rotation ETF (THIR) | $114.39M | +$9.92M | +9.50% |
Direxion Daily NVDA Bull 2X Shares (NVDU) | $668.00M | +$57.37M | +9.39% |
Direxion Daily Homebuilders & Supplies Bull 3X Shares (NAIL) | $673.17M | +$50.66M | +8.14% |
Direxion Daily AMZN Bull 2X Shares (AMZU) | $294.09M | +$21.53M | +7.90% |
Invesco Equal Weight 0-30 Year Treasury ETF (GOVI) | $987.55M | +$70.63M | +7.70% |
High-Velocity Outflows (AUM > $100M, 1D Flow > -5% of AUM)
Fund (Ticker) | AUM | 1D Flow | 1D Flow as % of AUM |
---|---|---|---|
FT Vest International Equity Moderate Buffer ETF – September (YSEP) | $193.57M | -$96.50M | -33.27% |
ARK Innovation ETF (ARKK) | $8.60B | -$2.46B | -22.25% |
Innovator U.S. Equity Ultra Buffer ETF – February (UFEB) | $180.83M | -$60.57M | -25.09% |
ARK Next Generation Internet ETF (ARKW) | $2.91B | -$620.70M | -17.56% |
SPDR S&P Retail ETF (XRT) | $293.57M | -$61.27M | -17.27% |
Innovator U.S. Equity Buffer ETF – March (BMAR) | $202.72M | -$23.09M | -10.23% |
SGI Enhanced Core ETF (USDX) | $442.86M | -$49.76M | -10.10% |
Defiance Daily Target 2X Long IONQ ETF (IONX) | $113.75M | -$8.92M | -7.27% |
United States Oil Fund LP (USO) | $929.88M | -$66.83M | -6.70% |
Custom Analysis and Daily Data
The data summaries presented in this report were generated using the powerful dashboarding capabilities of the ETF Action Navigator tool. This institutional-grade platform provides users with the ability to conduct deep, customized analysis by filtering, sorting, and grouping the entire ETF universe across hundreds of distinct data points. From high-level asset class trends to granular single-fund metrics, Navigator allows for the creation of bespoke dashboards tailored to any workflow, ensuring you can track the flows and metrics that matter most to your strategy.
Large Flow Activity: Significant single-day inflows or outflows may not always represent typical market sentiment. Such anomalies can be linked to strategic actions, including tax-efficient rebalancing through custom create/redeem processes. Monitoring these flows over a multi-day period is recommended for a comprehensive analysis.
Disclosures
This material is for informational purposes only and should not be considered investment advice. All investments, including ETFs, involve risk, including the possible loss of principal. Investors should consider their investment objectives, risks, charges, and expenses carefully before investing.
This analysis was developed by the team at ETF Action. We leverage advanced AI tools to assist in the drafting and refinement of our content, based on our expert prompts, direction, and final review.