Return Stacked Bonds & Merger Arbitrage ETF
RSBA
17 hedge funds and large institutions have $43.6M invested in Return Stacked Bonds & Merger Arbitrage ETF in 2026 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 6 increasing their positions, 0 reducing their positions, and 1 closing their positions.
12,379% more capital inflows, than outflows
Capital inflows: $26.7M | Capital outflows: $214K
1,000% more first-time investments, than exits
New positions opened: 11 | Existing positions closed: 1
143% more funds holding
Funds holding: 7 → 17 (+10)
16.19% less ownership
Funds ownership: 92.64% → 76.44% (-16%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mather Group
Chicago,
Illinois
|
+$4.73M |
| 2 |
Wealthcare Advisory Partners
West Chester,
Pennsylvania
|
+$4.49M |
| 3 |
Stapp Wealth Management
Olympia,
Washington
|
+$2.68M |
| 4 |
Sigma Planning Corp
Ann Arbor,
Michigan
|
+$2.21M |
| 5 |
MAI Capital Management
Independence,
Ohio
|
+$2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Worth Asset Management
Dallas,
Texas
|
-$214K |
RSBA Hedge Fund Activity: Q1 2026 in Review
17 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in Return Stacked Bonds & Merger Arbitrage ETF (RSBA) for Q1 2026, worth a combined $43.6M — up 151% from $17.4M a quarter earlier.
Buyers outnumbered sellers: 11 funds opened new RSBA positions and 1 closed out — a net gain of 10 holders — while 6 added to existing stakes and 0 trimmed.
The largest buyer was Mather Group, opening a new position worth an estimated $4.73M. The largest seller was Worth Asset Management, exiting entirely with an estimated $214K sold.
- 17 institutional investors held Return Stacked Bonds & Merger Arbitrage ETF (RSBA) as of Q1 2026, up from 7 in Q4 2025.
- Funds reported $43.6M of Return Stacked Bonds & Merger Arbitrage ETF stock for Q1 2026, up 151% quarter-over-quarter.
- 11 funds opened new Return Stacked Bonds & Merger Arbitrage ETF positions in Q1 2026 and 1 closed out, a net change of +10 holders.
- The largest Return Stacked Bonds & Merger Arbitrage ETF buyer in Q1 2026 was Mather Group, an estimated $4.73M added.
- The largest Return Stacked Bonds & Merger Arbitrage ETF seller in Q1 2026 was Worth Asset Management, an estimated $214K sold.
Based on aggregated 13F filings for Q1 2026.