Return Stacked Bonds & Merger Arbitrage ETF
RSBA
8 hedge funds and large institutions have $10.7M invested in Return Stacked Bonds & Merger Arbitrage ETF in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 3 closing their positions.
38% more capital invested
Capital invested by funds: $7.71M → $10.7M (+$2.94M)
33% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 3
14% more funds holding
Funds holding: 7 → 8 (+1)
12.24% more ownership
Funds ownership: 43.23% → 55.47% (+12%)
0% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MG
Marex Group
London,
|
+$3.17M |
| 2 |
LWMI
Legacy Wealth Management (Idaho)
Boise,
Idaho
|
+$1.18M |
| 3 |
NWM
Napa Wealth Management
Napa,
California
|
+$447K |
| 4 |
WAP
Wealthcare Advisory Partners
West Chester,
Pennsylvania
|
+$338K |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$91.7K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$1.49M |
| 2 |
WAM
Worth Asset Management
Dallas,
Texas
|
-$566K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$218K |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$147K |
| 5 |
SPC
Sigma Planning Corp
Ann Arbor,
Michigan
|
-$20K |
RSBA Hedge Fund Activity: Q3 2025 in Review
8 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Return Stacked Bonds & Merger Arbitrage ETF (RSBA) for Q3 2025, worth a combined $10.7M — up 38% from $7.71M a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new RSBA positions and 3 closed out — a net gain of 1 holder — while 2 added to existing stakes and 2 trimmed.
The largest buyer was Marex Group, opening a new position worth an estimated $3.17M. The largest seller was Jane Street, exiting entirely with an estimated $1.49M sold.
- 8 institutional investors held Return Stacked Bonds & Merger Arbitrage ETF (RSBA) as of Q3 2025, up from 7 in Q2 2025.
- Funds reported $10.7M of Return Stacked Bonds & Merger Arbitrage ETF stock for Q3 2025, up 38% quarter-over-quarter.
- 4 funds opened new Return Stacked Bonds & Merger Arbitrage ETF positions in Q3 2025 and 3 closed out, a net change of +1 holder.
- The largest Return Stacked Bonds & Merger Arbitrage ETF buyer in Q3 2025 was Marex Group, an estimated $3.17M added.
- The largest Return Stacked Bonds & Merger Arbitrage ETF seller in Q3 2025 was Jane Street, an estimated $1.49M sold.
Based on aggregated 13F filings for Q3 2025.