MNA ranks 2nd and ARB 3rd of 4 funds in the Merger Arbitrage Category.
ARB vs MNA
MNA −0.04pt a year
0.82%0.78%
MNA 2.1×the volume
17.6K37.7K
ARB +1.4pt
+4.0%+2.6%
ARB vs MNA Performance
+21.8%+13.5%
- ARB 0.82%
- MNA 0.78%, better
- ARB $111M
- MNA $265M
- ARB +3.5%, better
- MNA +3.0%
- ARB 0.42%, better
- MNA 0.00%
- ARB 70
- MNA 53
- ARB 17.6K sh
- MNA 37.7K sh, better
- ARB $30.10
- MNA $36.94
ETF.net Grade
| Pillar | ARB | MNA |
|---|---|---|
| Cost | C50 | B66Higher |
| Mission | ||
| Risk | B55Higher | C51 |
| Tradability | B65Higher | C49 |
| Holdings | A75Higher | C52 |
| Durability | B56 | A76Higher |
Rank among Merger Arbitrage funds
Same Category. ARB and MNA are both graded against the same 4 Merger Arbitrage funds, so their Grades compare head to head.
Our read on each fund
ARBB
MNAB
In short
ARB Merger arb, the hedge fund classic, rendered as index rules: go long announced takeover targets, short the acquirer in stock-for-stock deals, hedge the currency. Run by Water Island Capital, which has been doing this since 2000.
Stated mandate
ARB The Fund seeks to track the performance of the Water Island Merger Arbitrage USD Hedged Index, which reflects a global merger-arbitrage strategy involving announced mergers, takeovers, tender offers, and leveraged buyouts.
Why people hold it
Worth knowing
ARB vs MNA Holdings
How we measure overlap
Each holding counts at its smaller weight in the two funds, summed over the full Holdings. Sector, country and asset class use the same rule on each fund’s split. Cash, FX and derivative lines stay out of the counts. Two bond funds get no overlap figure.
ARB vs MNA Cost
Overpaying ARB vs MNA
$687
On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.
ARB 0.82%
$15,689
MNA 0.78%
$15,002
Cost over time
Year by year
| Year | ARB | MNA | Overpaying |
|---|---|---|---|
| 10 | $1,457 | $1,388 | $69 |
| 20 | $5,519 | $5,268 | $251 |
| 30 | $15,689 | $15,002 | $687 |
- 0.82%ARB
- 0.78%MNA, cheaper
ARB vs MNA Dividends
- ARB 0.42%, better
- MNA 0.00%
- ARB $0.13
- MNA None
- ARB $0.13
- MNA
- ARB Dec 18, 2025
- MNA
- ARB Dec 19, 2025
- MNA
- ARB Annual
- MNA
Distribution history
ARB vs MNA Risk
Fall from peak · 5 years
- ARB
- MNA
Risk facts
- Volatility
- ARB 2.2%, betterMNA 2.8%
- Return per unit of risk
- ARB 0.21MNA 0.45, better
- Worst fall
- ARB −5.6%, betterMNA −8.4%
- Market sensitivity
- ARB 0.03MNA 0.01
ARB and MNA in the news
Popular comparisons
- 0.82% · 0.75%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.78% · 0.75%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.82% · 0.95%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.78% · 0.95%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
