SPDR and Vanguard Dominate Inflows While ARK and SEI Show Highest Velocity Growth

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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 9, 2025.

Market Flow Summary

The U.S. ETF market recorded a total net inflow of $8.78 billion. The top issuer by inflow was SPDR, which attracted $5.16 billion. The single fund with the largest inflow was the SPDR S&P 500 ETF Trust (SPY). On the other side of the ledger, iShares saw the largest outflows among issuers, shedding -$3.05 billion. The iShares Core S&P 500 ETF (IVV) experienced the most significant single-fund outflow. The most notable high-velocity brand was SEI, which saw inflows representing +7.56% of its aggregate assets under management.

Flow Summary by Asset Class

Equity and Fixed Income led all asset classes in daily inflows, attracting +$6.97 billion and +$1.95 billion, respectively. On a year-to-date basis, Equity remains the dominant asset class, having accumulated +$429.90 billion in net new assets.

Asset Class 1D Flow 1M Flow YTD Flow
Equity +$6.97B +$70.00B +$429.90B
Fixed Income +$1.95B +$46.29B +$273.88B
Commodity +$243.70M +$6.24B +$31.81B
Digital Asset +$87.14M +$4.60B +$30.92B
Multi-Asset +$36.50M +$825.38M +$3.50B
Alternative +$25.70M +$763.03M +$3.34B
Currency -$9.78M -$95.35M +$523.92M
Non-Traditional -$530.63M +$2.46B +$48.63B

Top/Bottom Five Category Flows

International and U.S. Large Cap Blend categories saw the most significant inflows, while U.S. Large Cap Growth and various Non-Traditional categories experienced the largest redemptions.

Top 5 Category Inflows

Category 1D Flow
Equity: Global Ex-U.S. Large Cap – Blend +$1.84B
Equity: U.S. Large Cap – Blend +$1.14B
Equity: Thematic – Multi-Sector +$897.66M
Equity: U.S. Large Cap – Value +$827.81M
Equity: Emerging Large Cap +$762.34M

Bottom 5 Category Outflows

Category 1D Flow
Equity: U.S. Large Cap – Growth -$520.88M
Non-Traditional: Leverage | Inverse – Equity -$316.13M
Non-Traditional: Leverage | Inverse – Single Stock -$264.99M
Fixed Income: Taxable – Government Long -$191.88M
Non-Traditional: Buffer – Equity -$168.65M

ETF Issuer Flow Analysis

SPDR led all issuers with a +$5.16 billion inflow, representing +0.31% of its AUM. Conversely, iShares experienced the largest outflow at -$3.05 billion, a -0.08% change in its AUM. SEI stood out as the top high-velocity brand, with an inflow of +$271.39 million translating to a significant +7.56% of its total AUM.

Top 5 Brands by Inflows

Issuer Aggregate AUM 1D Flow 1D Flow as % of AUM
SPDR $1,694.76B +$5.16B +0.31%
Vanguard $3,573.95B +$4.29B +0.12%
ARK $16.09B +$1.05B +6.96%
JPMorgan $245.40B +$386.97M +0.16%
Capital Group $88.08B +$341.66M +0.39%

Bottom 5 Brands by Outflows

Issuer Aggregate AUM 1D Flow 1D Flow as % of AUM
iShares $3,700.96B -$3.05B -0.08%
Invesco $738.09B -$784.67M -0.11%
Direxion $52.49B -$401.29M -0.76%
Allianz $4.94B -$270.30M -5.18%
GraniteShares $9.47B -$207.27M -2.14%

High-Velocity Brands (Aggregate AUM > $500M, 1D Flow > +/- 5% of AUM)

Issuer Aggregate AUM 1D Flow 1D Flow as % of AUM
SEI $3.86B +$271.39M +7.56%
ARK $16.09B +$1.05B +6.96%
Allianz $4.94B -$270.30M -5.18%

Significant Single-Fund Movements

The day’s activity was marked by large, opposing flows in major S&P 500 ETFs. The SPDR S&P 500 ETF Trust (SPY) gathered +$4.52 billion, while the iShares Core S&P 500 ETF (IVV) saw the largest redemption, with an outflow of -$6.76 billion.

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

Fund (Ticker) AUM 1D Flow 1D Flow as % of AUM
SPDR S&P 500 ETF Trust (SPY) $663.51B +$4.52B +0.69%
Vanguard S&P 500 ETF (VOO) $751.49B +$2.79B +0.37%
iShares Core MSCI EAFE ETF (IEFA) $153.24B +$1.57B +1.03%
ARK Innovation ETF (ARKK) $8.79B +$784.59M +9.80%
iShares Core MSCI Emerging Markets ETF (IEMG) $104.76B +$533.73M +0.51%
Vanguard Total Stock Market ETF (VTI) $533.70B +$352.24M +0.07%
VanEck Semiconductor ETF (SMH) $28.34B +$327.61M +1.17%
JPMorgan Limited Duration Bond ETF (JPLD) $2.85B +$308.81M +12.15%
SPDR Portfolio S&P 500 ETF (SPLG) $85.35B +$260.13M +0.31%
Invesco QQQ Trust Series I (QQQ) $366.66B -$725.72M -0.20%
iShares Core S&P 500 ETF (IVV) $659.54B -$6.76B -1.02%

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

Fund (Ticker) AUM 1D Flow 1D Flow as % of AUM
First Trust WCM International Equity ETF (WCMI) $607.01M +$148.34M +32.34%
ProShares Short Russell2000 (RWM) $127.48M +$16.42M +14.79%
SEI Enhanced U.S. Large Cap Quality Factor ETF (SEIQ) $446.74M +$57.47M +14.76%
ARK Fintech Innovation ETF (ARKF) $1.60B +$198.14M +14.15%
Direxion Daily MSFT Bull 2X Shares (MSFU) $158.71M +$19.53M +14.04%
SEI Enhanced U.S. Large Cap Momentum Factor ETF (SEIM) $886.20M +$108.32M +13.92%
SEI Enhanced U.S. Large Cap Value Factor ETF (SEIV) $856.77M +$104.21M +13.85%
JPMorgan Limited Duration Bond ETF (JPLD) $2.85B +$308.81M +12.15%
WisdomTree US Value Fund of Benef Interest (WTV) $1.89B +$177.48M +10.35%
Direxion Daily FTSE China Bear 3X Shares (YANG) $240.81M +$22.52M +10.31%
ARK Innovation ETF (ARKK) $8.79B +$784.59M +9.80%
WisdomTree European Opportunities Fund (OPPE) $166.89M +$14.30M +9.38%
ProShares UltraShort Bloomberg Crude Oil (SCO) $120.28M +$7.81M +6.94%
Goldman Sachs Access U.S. Preferred Stock and Hybrid Securities ETF (GPRF) $120.56M +$7.70M +6.82%
ProShares Short Dow30 (DOG) $122.70M +$7.45M +6.46%
Vanguard Multi-Sector Income Bond ETF (VGMS) $112.14M +$6.69M +6.34%
First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index (GRID) $3.45B +$186.83M +5.73%
ProShares UltraPro Short S&P500 (SPXU) $556.11M +$27.27M +5.16%
BNY Mellon Global Infrastructure Income ETF (BKGI) $234.01M +$11.42M +5.13%

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

Fund (Ticker) AUM 1D Flow 1D Flow as % of AUM
AllianzIM U.S. Large Cap Buffer20 Oct ETF (OCTW) $439.81M -$220.04M -33.35%
Direxion Daily NVDA Bull 2X Shares (NVDU) $642.92M -$64.29M -9.09%
GraniteShares 2x Long AMD Daily ETF (AMDL) $491.79M -$35.45M -6.72%
SPDR S&P Regional Banking ETF (KRE) $3.89B -$207.51M -5.06%

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.