Most investors assume ETFs are all 1099-friendly. After all, that’s what they’ve always gotten. But the thing is, not all ETFs are structured the same way under U.S. tax law. Some are organized as grantor trusts, others as open-end funds, and a few—yes, a few—as limited partnerships. And that’s exactly where the K-1 comes in.
Understanding Fund Structures and Their Tax Forms
The type of tax form you receive depends entirely on how the ETF is legally organized. Most exchange-traded funds are structured as regulated investment companies (RICs) under the Investment Company Act of 1940. These pass through income and capital gains directly to shareholders and issue Form 1099-DIV. Clean. Simple. Predictable. That’s what you get with SPY, QQQ, or VOO. No surprises.
Grantor Trusts and Passive Funds
Some ETFs—especially those tracking a single commodity like gold or silver—are structured as grantor trusts. Examples include GLD and SLV. These aren’t partnerships, but they still generate K-1s in a few cases. Wait—do they? Actually, no. GLD and SLV issue 1099s. Why? Because they’re trusts, not partnerships. They pass through gains and income directly, but the IRS treats them like direct ownership. So why the confusion? Because people mix up commodity ETFs with commodity partnerships. And that’s where the K-1 really lives.
MLPs and the Partnership Problem
Master Limited Partnerships (MLPs) are the root of the K-1 issue. These energy infrastructure firms—think pipelines—operate as partnerships to avoid corporate income tax. That’s great for yields. Terrible for paperwork. When an ETF invests directly in MLPs and is itself structured as a partnership, it must issue K-1 tax forms to its investors. The most infamous example? Alerian MLP ETF (AMLP). It’s one of the few ETFs that still does this. And yes, it’s a headache.
Why K-1s Are a Pain at Tax Time
You get your 1099s in January. You file your return in April. Smooth. But K-1s? They often arrive in March—or later. Some partnerships don’t finalize their allocations until mid-March. That delays your entire tax filing. And if you’re holding multiple K-1 funds? Multiply the risk. I know someone who filed an extension just because one K-1 came late. Not fun.
State Tax Complications Multiply
Here’s what people don’t think about enough: state tax filings. A K-1 might trigger tax obligations in states where the underlying partnership operates—even if you’ve never set foot there. Say your ETF holds an oil pipeline in North Dakota. Suddenly, you might owe taxes there. And you’ll need to file a nonresident return. Multiply that across five states and you’ve got real administrative overhead. That’s not just annoying. It’s financially inefficient. For a 2% yield, is it worth $150 in accounting fees and four extra tax forms?
Cost Basis and Recordkeeping Issues
With a 1099, your broker reports cost basis. Done. With a K-1, it’s messier. The form includes your share of income, deductions, and credits—but not always in a way that syncs with your brokerage statement. You might have taxable income even if the fund’s share price dropped. That’s because partnerships allocate pretax earnings. And yes, that can mean owing tax on "phantom income." Because of this, tracking cost basis manually becomes essential. One misplaced number and you’re underpaying—or overpaying—the IRS.
ETFs That Actually Issue K-1s (Yes, They Exist)
Let’s be clear about this: the list is short. Most ETFs avoid K-1s like the plague. But a few do issue them, and you need to know which ones. The most prominent is AMLP (Alerian MLP ETF), which holds a basket of energy MLPs. It’s structured as a partnership, so it issues K-1s. Another is MLPX (Solis Oil & Gas MLP Fund), though it’s smaller and less traded. There’s also EMLP (ETFMG Alternative Harvest ETF)—wait, no, that’s cannabis. Not MLPs. My mistake. Point is, the space is niche. Most so-called "K-1 ETFs" are actually closed-end funds or ETNs, not true ETFs.
Commodity Funds: The Gray Zone
What about commodity funds? Many investors assume gold or oil ETFs issue K-1s. Not true. Most are structured as grantor trusts (like GLD) or use futures contracts via a C-corp wrapper (like USO). USO, for example, is a limited partnership—but it’s owned by a C-corp, so shareholders get 1099s. Same with UNG. The structure shields investors from direct K-1 exposure. Which explains why so many commodity ETFs avoid the form. But if you go further out—say, a fund holding physical oil in tanks in Cushing, Oklahoma—then you might hit a partnership structure. Not common. But possible.
Foreign Funds and PFICs
Now, here’s a twist: some foreign-based ETFs could trigger K-1-like complexity—not through actual K-1s, but through PFIC (Passive Foreign Investment Company) rules. These aren’t K-1s, but they’re just as bad. PFICs require Form 8621, which is notoriously complex. And they’re taxed punitively unless you make a QEF or mark-to-market election. So while you won’t get a K-1 from an Irish-domiciled iShares fund, you might still face tax form hell. Because the structure matters just as much as the form.
Alternatives That Avoid K-1s Entirely
You want exposure to energy infrastructure but hate K-1s. What are your options? More than you think. First, consider C-corp structured MLP funds. AMZI (Simplify Live Oak MLP Infrastructure ETF) is one. It holds the same types of pipeline assets as AMLP but wraps them in a C-corp. Result? 1099, not K-1. Yield’s a bit lower due to corporate tax drag, but peace of mind has value. Then there’s MOUS from Tortoise—same idea. Structured as a C-corp. No K-1. No state filings. No phantom income.
ETNs vs ETFs: What’s the Difference?
Exchange-Traded Notes (ETNs) like MLPL (Barclays ETN+ MLP Index Note) also avoid K-1s. They’re debt securities, not funds. You get 1099-INT. But—and this is a big but—they carry credit risk. If Barclays collapses, you’re exposed. ETFs hold assets. ETNs are promises. Which explains why many investors still prefer true ETFs despite the K-1 hassle. Yet for yield seekers who want simplicity, ETNs are a viable alternative.
Frequently Asked Questions
Most investors don’t realize how rare K-1 ETFs are. Here are the questions I hear most—straight answers, no fluff.
Do SPDR or iShares Funds Ever Issue K-1s?
No. Not a single one. State Street, BlackRock, Vanguard—they all structure their ETFs as RICs or grantor trusts. You’ll never get a K-1 from IVV, DIA, or IWM. Period. They’ve built their businesses on simplicity. Adding K-1 complexity would alienate millions of retail investors. And that’s exactly why they avoid it.
Can You Hold K-1 ETFs in an IRA?
You can—but be careful. MLP income in a tax-deferred account can trigger unrelated business taxable income (UBTI). If UBTI exceeds $1,000 annually, the IRA may owe tax. AMLP in a traditional IRA? Possible. Risky. Many custodians discourage it. And honestly, it is unclear whether the IRS actively polices small breaches. But the rule exists. So tread carefully.
Are There Any New K-1-Free MLP ETFs Launching?
Yes. The trend is clearly toward C-corp wrappers. In 2023, Simplify launched AMZI. In 2024, new entrants are testing structures that isolate MLP income at the fund level. The goal? Deliver the yield without the paperwork. Data is still lacking on long-term after-tax returns, but early results are promising. Experts disagree on whether the corporate tax layer erodes too much yield. I find this overrated—the convenience premium justifies a modest drag.
The Bottom Line
Most ETFs don’t issue K-1s. The ones that do are outliers—MLP-heavy funds like AMLP. For the average investor, this isn’t a daily concern. But if you’re chasing high yield in energy infrastructure, you need to know the trade-off: 7% distribution vs. March nightmares and multi-state filings. And that’s where the real choice lies. Because we’re far from a world where all yield comes cleanly. My personal recommendation? Stick with C-corp structured alternatives like AMZI or MOUS. The yield’s only 0.5% lower, and you sleep better in April. Suffice to say, not every dollar of income is worth the same after tax season.