AltShares Merger Arbitrage ETF
ARB
32 hedge funds and large institutions have $95M invested in AltShares Merger Arbitrage ETF in 2026 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 16 increasing their positions, 10 reducing their positions, and 3 closing their positions.
100% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 3
60% more repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 10
7% more funds holding
Funds holding: 30 → 32 (+2)
3% more capital invested
Capital invested by funds: $92.6M → $95M (+$2.41M)
3.75% less ownership
Funds ownership: 94.12% → 90.38% (-3.7%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EWA
EP Wealth Advisors
Torrance,
California
|
+$11.5M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$6.52M |
| 3 |
DWM
Diversify Wealth Management
Sandy,
Utah
|
+$3.73M |
| 4 |
CFIA
Cantor Fitzgerald Investment Advisors
New York
|
+$914K |
| 5 |
Jane Street
New York
|
+$813K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AssetMark Inc
Concord,
California
|
-$7.19M |
| 2 |
DAS
Diversify Advisory Services
Sandy,
Utah
|
-$3.3M |
| 3 |
GS
GTS Securities
New York
|
-$816K |
| 4 |
PA
PFG Advisors
Phoenix,
Arizona
|
-$755K |
| 5 |
Raymond James Financial
St Petersburg,
Florida
|
-$726K |
ARB Hedge Fund Activity: Q1 2026 in Review
32 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in AltShares Merger Arbitrage ETF (ARB) for Q1 2026, worth a combined $95M — up 2.6% from $92.6M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new ARB positions and 3 closed out — a net gain of 3 holders — while 16 added to existing stakes and 10 trimmed.
The largest buyer was EP Wealth Advisors, opening a new position worth an estimated $11.5M. The largest seller was AssetMark Inc, cutting an estimated $7.19M.
- 32 institutional investors held AltShares Merger Arbitrage ETF (ARB) as of Q1 2026, up from 30 in Q4 2025.
- Funds reported $95M of AltShares Merger Arbitrage ETF stock for Q1 2026, up 2.6% quarter-over-quarter.
- 6 funds opened new AltShares Merger Arbitrage ETF positions in Q1 2026 and 3 closed out, a net change of +3 holders.
- The largest AltShares Merger Arbitrage ETF buyer in Q1 2026 was EP Wealth Advisors, an estimated $11.5M added.
- The largest AltShares Merger Arbitrage ETF seller in Q1 2026 was AssetMark Inc, an estimated $7.19M sold.
Based on aggregated 13F filings for Q1 2026.