ATMP.B Loses $680K in One Day as High Costs and Volatility Spook Investors

ETF Overview and Capital Flows

The iPath Select MLP ETN (ATMP.B) tracks a tiered-weighted index of U.S. and Canadian master limited partnerships (MLPs) and their general partners. Structured as a leveraged, long-only ETN, it focuses on energy infrastructure and natural resource sectors. Recent fund flow data for March 20, 2026, shows net outflows across all order types, with block and extra-large orders driving the bulk of the exodus. Total net outflows for the day reached $679,751, signaling investor caution despite the ETF’s 52-week high.

Peer ETF Snapshot

• AGG.P holds $138B in assets with a 0.03% expense ratio, making it a low-cost benchmark for leveraged peers.
• AVIG.P, with $2B in AUM and a 0.15% expense ratio, targets growth stocks but faces stiff competition from broader benchmarks.
• APMU.P and AGGH.P, with AUMs of $219M and $385M respectively, carry mid-tier expense ratios (0.35%–0.3%) but lack ATMP.B’s energy-sector focus.
• ACVT.P and AFIX.P, at $30M and $179M in assets, operate in niche sectors but trail ATMP.B’s thematic specialization.

Opportunities and Structural Constraints

ATMP.B’s niche focus on MLPs offers exposure to energy infrastructure, a sector that can benefit from infrastructure spending and commodity cycles. However, structural headwinds include its 0.95% expense ratio, which is notably higher than peers like AGG.P, and daily leverage that amplifies volatility. The recent outflows highlight investor sensitivity to costs and sector-specific risks, such as regulatory shifts or commodity price swings. At the end of the day, the ETF’s performance hinges on energy demand and MLP fundamentals—factors beyond its structural design.