He left a top position at Goldman Sachs to become Mr Trump's chief economic adviser.
Ivanka Trump and husband Jared Kushner continue to benefit from their business empire.
According to her husband's disclosure the hotel stake is worth between $5 million and $25 million.
Most top White House officials are required by law to reveal their financial status in order to make potential conflicts of interest transparent.
Ivanka Trump and Kushner's continued vast business holdings led one ethics expert to say the couple should recuse themselves from involvement in any government matters that could affect their business interests.
- Bannon received more than $125,000 in consulting fees from Cambridge Analytica, where he served as vice president and secretary.
The release of the financial disclosure forms is in compliance with a federal ethics law that requires high-ranking executive branch appointees to disclose their financial holdings and reach agreements with ethics officials.
"These are incredibly successful individuals, very high net worth, very sophisticated, complex asset structures, numerous sub-LLCs [limited liability companies], trusts and other items, all of which have to be worked through", the White House official said, adding that every staff member had a "sit-down" about their assets.
Jared Kushner's disclosure shows he took on tens of millions of dollars of bank debt in 2015 and 2016, including liabilities with several worldwide banks whose interests could come before the Trump administration. According to the White House, he is still in the process of divesting more than US$1 million in income for the Industrial and Commercial Bank of China.
Kushner's financial disclosures said that Ivanka Trump earned $1 million to $5 million from the Trump International Hotel in Washington, D.C., between January 2016 and March 2017, and put the value of her stake at $5 million to $25 million. She had a fashion business and was involved in her father's global real estate development business, but stepped aside from managing the businesses when her father entered the White House.
Steve Bannon, President Trump's hand-picked chief strategist, earned more than $500,000 past year through businesses connected to Republican donors Robert Mercer and his daughter, Rebekah. The business is worth between US$1 million and US$5 million, according to her disclosure statement.
"Donald Trump can evade legal responsibility even if the conflicts of interest remain", said Noah Bookbinder, executive director of Citizens for Responsibility and Ethics in Washington, a liberal nonprofit group.
Omarosa Manigault, who rose to fame on Trump's reality show the Apprentice and now is a White House adviser, had a modest income under $100,000. The former Goldman Sachs president listed at least $48 million in income in 2016 and as much as $77 million. Bannon, the White House chief strategist, made over $1 million previous year with income coming from Breitbart, Bannon Strategic Advisors Inc., and various other sources, Buzzfeed found.