Bitcoin
Ethereum
Solana
Monthly Overview
In September 2026, net flows into spot crypto ETFs reached a positive trajectory, totaling +$4.20B. The flows were predominantly concentrated in Bitcoin (BTC) and Ethereum (ETH), which together accounted for a significant portion of the total inflow.
Weekly Breakdown
| Week | Net flow |
|---|---|
| Sep 1 – Sep 4 | +$976.60M |
| Sep 8 – Sep 11 | -$156.90M |
| Sep 14 – Sep 18 | +$43.30M |
| Sep 21 – Sep 25 | +$3.40B |
| Sep 28 – Sep 30 | -$66.20M |
Biggest Fund Moves
Largest inflows
- BlackRock (BTC): +$1.81B
- Fidelity (BTC): +$682.20M
- BlackRock (ETH): +$492.95M
- Morgan Stanley (BTC): +$251.12M
- Grayscale (ZEC): +$245.91M
Largest outflows
- Grayscale (BTC): -$259.30M
- Grayscale (ETH): -$73.61M
- VanEck (BTC): -$35.55M
- Bitwise BHYP (HYPE): -$12.51M
- WisdomTree (BTC): -$9.22M
Market Interpretation
Institutional positioning showed strong interest in Bitcoin, with BlackRock and Fidelity being the leading contributors to its inflow. Meanwhile, Grayscale recorded notable outflows across several assets, including BTC and ETH, indicating a shift in capital preferences. The market experienced a rotational dynamic, highlighted by the strongest inflow day on September 21, while the worst day on September 15 reflected volatility in investor sentiment.
Conclusion
The month concluded with a net figure of +$4.20B, reflecting robust investor confidence in the crypto ETF space. Overall, September demonstrated a clear preference for select major assets amidst varying institutional strategies.
Flows are net creations minus redemptions, published the next morning (T+1). Text written by AI from computed figures. Market data for informational purposes only. Not investment advice.