Weekly Channel Summary
The FI: Specialty ETF channel continues to demonstrate strong momentum, encompassing 148 ETFs across 14 issuers with total assets under management of $69 billion as of April 2, 2026. The channel has seen robust product innovation, with 29 new ETF launches over the past three months. On the flow side, the channel recorded $177 million in net inflows over the trailing five days, $5.35 billion year-to-date, and an impressive $21.57 billion over the past year — underscoring sustained and accelerating investor interest in fixed income specialty strategies.
Analyzing the Weekly Flows
The FI: Specialty channel generated $177 million in net inflows for the week ending April 2, 2026. At the category level, Specialty – Defined Maturity dominated with $150 million in five-day flows, driven overwhelmingly by the FI: Government segment, which led all segments with $105 million in weekly inflows. Within duration buckets, the 2028 maturity cohort led all specific-year durations with $103 million in inflows, while the 2026 duration bucket saw the largest outflows of the week at -$76 million — a dynamic likely reflecting assets rolling off or being repositioned as those bonds approach maturity.
Category Flows Summary
| ETFA Category | Fund Count | AUM | 5 Day Flow | 30 Day Flow | 90 Day Flow | YTD Flow | 1 Year Flow |
|---|---|---|---|---|---|---|---|
| Specialty – Defined Maturity | 102 | $68.1B | $150M | $1,006M | $5,213M | $5,316M | $21,616M |
| Specialty – Interest Rate Volatility | 8 | $1.0B | $28M | $25M | $26M | $24M | $74M |
| Fixed Income: Specialty – Maturing Ladder | 20 | $0.1B | ($1M) | $10M | $11M | $11M | ($160M) |
| Total | 130 | $69.2B | $177M | $1,041M | $5,250M | $5,351M | $21,530M |
Segment Flows Summary
| Segment | Fund Count | AUM | 5 Day Flow | 30 Day Flow | 90 Day Flow | YTD Flow | 1 Year Flow |
|---|---|---|---|---|---|---|---|
| FI: Corporate | 50 | $52.5B | $31M | $609M | $3,766M | $3,855M | $15,904M |
| FI: Government | 54 | $12.0B | $105M | $346M | $1,069M | $1,079M | $4,009M |
| FI: Municipal | 26 | $4.7B | $41M | $87M | $414M | $416M | $1,617M |
| Grand Total | 130 | $69.2B | $177M | $1,041M | $5,250M | $5,351M | $21,530M |
Duration Flows Summary
| Duration | Fund Count | AUM | 5 Day Flow | 30 Day Flow | 90 Day Flow | YTD Flow | 1 Year Flow |
|---|---|---|---|---|---|---|---|
| Duration: 2026 | 10 | $13.1B | ($76M) | ($220M) | ($541M) | ($514M) | $1,126M |
| Duration: 2027 | 11 | $12.9B | $17M | $191M | $819M | $851M | $3,630M |
| Duration: 2028 | 12 | $11.4B | $103M | $344M | $1,308M | $1,328M | $3,873M |
| Duration: 2029 | 11 | $9.4B | ($64M) | $103M | $948M | $950M | $3,429M |
| Duration: 2030 | 15 | $7.4B | $48M | $210M | $866M | $875M | $3,291M |
| Duration: 2031 | 11 | $4.9B | $15M | $91M | $554M | $561M | $1,983M |
| Duration: 2032 | 9 | $3.8B | $9M | $61M | $350M | $355M | $1,506M |
| Duration: 2033 | 8 | $2.6B | ($6M) | $36M | $225M | $225M | $884M |
| Duration: 2034 | 7 | $1.8B | $78M | $123M | $376M | $379M | $1,118M |
| Duration: 2035 | 11 | $0.8B | $22M | $74M | $309M | $309M | $559M |
| Duration: 2044 | 1 | $0.1B | $1M | $1M | $6M | $6M | $33M |
| Duration: 2045 | 3 | $0.0B | $0M | $1M | $0M | $0M | $5M |
| Duration: 2050 | 2 | $0.0B | $0M | $0M | $0M | $0M | $2M |
| Duration: 2054 | 1 | $0.0B | $0M | $0M | $0M | $0M | $1M |
| Duration: 2055 | 5 | $0.0B | $0M | $2M | $2M | $2M | $6M |
| Duration: 2060 | 2 | $0.0B | $0M | $0M | $0M | $0M | $2M |
| Duration: 2065 | 2 | $0.0B | $0M | $0M | $0M | $0M | $7M |
Top & Bottom 5 ETFs by 5-Day Flow
At the individual ETF level, the IBTI iShares iBonds Dec 2028 Term Treasury ETF led all inflows for the week with $50 million in five-day flows. On the outflow side, the BSCT Invesco BulletShares 2029 Corporate Bond ETF posted the largest outflows at -$67 million, followed by the BSCQ Invesco BulletShares 2026 Corporate Bond ETF with -$23 million in outflows — both of which reflect repositioning activity in near-term and intermediate corporate bond maturities.
| Ticker | Fund Name | 5-Day Flow |
|---|---|---|
| Inflows | ||
| IBTI | iShares iBonds Dec 2028 Term Treasury ETF | $50M |
| IBDZ | iShares iBonds Dec 2034 Term Corporate ETF | $40M |
| BSCY | Invesco BulletShares 2034 Corporate Bond ETF | $37M |
| PFIX | Simplify Interest Rate Hedge ETF | $23M |
| MYCH | State Street My2028 Corporate Bond ETF | $22M |
| Outflows | ||
| BSCT | Invesco BulletShares 2029 Corporate Bond ETF | ($67M) |
| BSCQ | Invesco BulletShares 2026 Corporate Bond ETF | ($23M) |
| IBDU | iShares iBonds Dec 2029 Term Corporate ETF | ($19M) |
| IBTG | iShares iBonds Dec 2026 Term Treasury ETF | ($18M) |
| IBHF | iShares iBonds 2026 Term High Yield and Income ETF | ($13M) |
Issuer League Table Update
The FI: Specialty channel remains highly concentrated at the top, with iShares and Invesco collectively commanding over 97% of all channel assets. iShares leads with a commanding 57.81% market share ($40.07 billion in AUM), while Invesco holds the second spot at 39.62% ($27.46 billion). On the flow side, iShares was the clear weekly winner, attracting $136 million in five-day inflows — the most of any issuer. Invesco was the only issuer to record meaningful outflows for the week, seeing -$3 million in net redemptions.
Top 5 Issuers by AUM
| Brand | Fund Count | AUM | AUM Market Share |
|---|---|---|---|
| iShares | 55 | $40.07B | 57.81% |
| Invesco | 28 | $27.46B | 39.62% |
| State Street | 21 | $0.62B | 0.89% |
| Quadratic | 1 | $0.48B | 0.69% |
| Simplify | 2 | $0.25B | 0.35% |
Top & Bottom 3 Issuers by 5-Day Flow
| Brand | 5-Day Flow |
|---|---|
| Inflows | |
| iShares | $136M |
| State Street | $30M |
| Vanguard | $24M |
| Outflows | |
| Invesco | ($3M) |
| Northern Funds | ($1M) |
| Other | ($1M) |
For a deeper dive into these trends, access our FREE, in-depth FI: Specialty ETF reports in the right side panel of this page.
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.
