Is Cathie Wood's ARKK Too Risky for Retirement? Here's What the Numbers Show

Cathie Wood's ARK Innovation ETF (NYSEARCA: ARKK) held about 18% of its $7.92 billion in assets across three stocks as of October 19. The fund's annualized standard deviation was 38.4% from October 31, 2014, through August 1, 2025, indicating materially higher volatility than a broad-market benchmark.

ARKK posted a five-year annualized return of negative 4.06%, meaning investors who held for that stretch lost money on average each year, while the broad market gained about 11.43%. You may want to check up on your financial health before deciding whether that volatility belongs near your retirement savings.

Tesla, SpaceX, and AMD account for $1.12 billion of ARKK's portfolio

Tesla held the largest position at $608.2 million, followed by SpaceX at $401.1 million and AMD at $109.3 million, and the two Elon Musk-linked companies alone made up 16.2% of the fund, according to the Motley Fool.

A beta of 1.58 since inception means ARKK has historically moved about 58% more than the broader market, amplifying both gains and losses for investors holding concentrated positions. A single earnings miss from Tesla or SpaceX could drag returns lower even when the broader market stays flat.

ARKK returned negative 4% over five years, while the broad market gained 11%

The fund's five-year annualized loss of roughly 6.5% stands in sharp contrast to the broad market's 11.43% gain, a gap of nearly 18 percentage points that represents years of lost compounding for retirement savers, MyPlanIQ showed. Ark Invest's total assets under management (AUM) grew to $15.4 billion despite the long-term underperformance, the Motley Fool outlined.

Calendar-year returns highlight the swings, with ARKK gaining 151.99% in 2020 before dropping 66.97% in 2022 and rebounding 69.03% in 2023, MyPlanIQ reported. The pattern shows ARKK rewarded short-term momentum more than long-term holding, and the fund failed to keep pace with diversified tech alternatives.

The fund's 80.9% maximum drawdown dwarfs what broad index funds produce

ARKK's maximum drawdown since its October 2014 inception reached 80.9%, meaning it lost more than four-fifths of its peak value, and a $100,000 investment would have fallen to roughly $19,100, MyPlanIQ documented. A drawdown that steep could force retirees to sell shares at depressed prices to cover living expenses, locking in losses permanently.

• The five-year maximum drawdown reached 76.11%, showing severe losses remained a feature of recent performance.
• The worst rolling five-year return hit negative 11.15% annualized, meaning some five-year holders lost about 45% of their balance.
• The one-year Sharpe ratio came in at negative 0.22, well below the broad market's 1.04.

The 0.75% expense ratio costs eight times more than a broad tech fund

ARKK charges 0.75% in annual fees compared with 0.09% for the Vanguard Information Technology ETF (NYSEARCA: VGT), which holds 318 stocks and returned an average of 20.9% annually over five years. VGT's $178 billion in assets and broad diversification across Nvidia, Apple, and Microsoft helped it avoid the concentration risk that dragged ARKK lower, the Motley Fool documented.

Over the past decade, ARKK's 15.93% annualized return narrowly edged the broad market's 14.82%, yet the 0.75% fee consumed a larger share of that gain than a low-cost fund would have. ARKK's five-year loss suggests the active strategy has not reliably delivered enough extra return to justify the higher cost, according to MyPlanIQ data.

Swings from positive 152% to negative 67% make withdrawal timing a gamble

ARKK gained 151.99% in 2020 and 69.03% in 2023 but fell 66.97% in 2022 and 23.38% in 2021, producing a sequence where strong years could not fully offset steep declines for anyone who withdrew along the way, MyPlanIQ showed. For retirees who pull a fixed amount each year, entering a drawdown year forces the sale of more shares at lower prices, permanently reducing the portfolio's recovery potential.

ARKK's 2025 gain of 35.49% brought some investors closer to breakeven, but those who sold during the 2022 decline never benefited from the rebound. ARKK's all-time high from February 2021 remains a level many shareholders have not recovered to, according to MyPlanIQ data, making the fund difficult to rely on for predictable retirement income.

ARKK's five-year loss and extreme drawdown make it a poor fit for capital preservation

The combination of a five-year annualized loss, an 80.9% maximum drawdown, and volatility more than double the broad market's leaves ARKK outside the range most retirement planners would consider appropriate, MyPlanIQ's data showed.

Retirees who rely on steady growth to fund living expenses may find that ARKK's potential for outsized gains does not compensate for the risk of outsized losses, based on the fund's historical pattern of sharp swings documented by MyPlanIQ.

Bottom line

Shares closed at $83.42 on October 20 with a year-to-date gain of 8.45%, trailing the broad market's 13.37%. The one-year return of negative 7.32% lagged the market's 15.16% by more than 22 percentage points, and the since-inception Sharpe ratio of 0.31 suggests modest returns relative to the risk taken.

Ark Invest's total assets reached $15.4 billion across all funds, yet ARKK's annualized return since inception of about 14.3% barely edges the broad market's 13.1%, despite far greater volatility. Comparing ARKK's risk profile against a low-cost index before you start investing new retirement contributions could help you weigh whether the fund adds value or simply adds risk.

This article is for informational purposes only and should not be considered investment advice.

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