ETF Evaluator:
Osprey BONK Trust ()
Follow This ETF
(as of )
Best Performing in Digital Assets Over the Last Year
| 1090.2% | Grayscale Zcash Trust (ZEC) (ZCSH) |
| 112.1% | ProShares UltraShort Bitcoin ETF (SBIT) |
| 35.7% | ProShares Short Ether ETF (SETH) |
| 12.3% | Simplify US Equity PLUS Bitcoin Stgy ETF (SPBC) |
| 10.8% | Proshares UltraShort Ether ETF (ETHD) |
Risk
Index
Risk
Index
ETF Details
Osprey BONK Trust Overview
Osprey BONK Trust (OBNK) is a passively managed Miscellaneous Digital Assets exchange-traded fund (ETF). Osprey Fund LLC launched the ETF in 2025.
The investment seeks solely for the Shares to realize long-term capital appreciation by tracking the price of BONK tokens (“BONK”), on-native tokens that are compatible with the Solana Network, on each business day, less liabilities and expenses of the Trust.
The Shares are designed as a convenient and cost-effective method for investors to gain investment exposure to BONK without investors making a direct investment in BONK.
About Osprey BONK Trust (OBNK)
There are 1 members of the management team with an average tenure of 0.83 years: Management Team (2025). Management tenure is more important for actively managed ETFs than passive index ETFs.
The ETF has 1 primary benchmark: BONK tokens USD index with a weighting of 100%. Osprey BONK Trust has securities in its portfolio. The top 10 holdings constitute 0.0% of the ETF’s assets. The ETF meets the SEC requirement of being classified as a diversified fund. The ETF is not considered to have an ESG focus with its investment selection and management.
Osprey BONK Trust is part of the Other global asset class and is within the Miscellaneous ETF group. Osprey BONK Trust has 0.0% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 0.0% There is 0.0% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 0.0% (0.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). Osprey BONK Trust has 0.0% of the portfolio in cash.
Assets Under Management
The fund has $6 million in total assets, which is below the $564 million average for the Digital Assets category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
OBNK Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The Osprey BONK Trust expense ratio is high compared to funds in the Digital Assets category. Osprey BONK Trust has an expense ratio of 2.50%, which is 158% higher than its category average, making the fund expense ratio grade a F. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. Osprey BONK Trust has a portfolio turnover rate of 0%, which indicates that it holds its assets around /years. By way of comparison, the average portfolio turnover is 82% for the Digital Assets category.
Recently, in the month of July 2026, Osprey BONK Trust returned -32.9%, which earned it a grade of F, as the Digital Assets category had an average return of 2.9%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all ETFs in that category.
Osprey BONK Trust has a trailing yield of 0.00%, which is below the 15.12% category average.
The fund normally distributes its income annually and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
Osprey BONK Trust Grades
Year to date, the ETF has returned -63.8%, 33.1 percentage points worse than the category, which translates into a grade of F.
For more ETF grades, analysis and screening tools to help your investment discovery, join AAII for a $2, full-access trial. Learn more here: https://invest.aaii.com/membership.
Otherwise, for more information about Osprey BONK Trust, including its riskiness, submit your email to unlock the rest of the article.
Gain access to exclusive AAII member-only content.
OBNK Trailing NAV Total Returns Data as of 7/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| OBNK Return (NAV) | -32.9% | -55.4% | na | na | na | na |
| OBNK Return (Price) | -16.4% | -38.3% | na | na | na | na |
| NAV +/- Price Return | -16.474% | -17.126% | na | na | na | na |
| Digital Assets Avg | 2.9% | -16.7% | -32.2% | 6.2% | -17.1% | 54.9% |
| OBNK Grade (NAV) | F | F | na | na | na | na |
| +/- Category (NAV) | -35.8% | -38.7% | na | na | na | na |
| OBNK Tax-Cost Ratio | na | na | na | na | na | na |
OBNK Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| OBNK Return (NAV) | -63.8% | na | na | na | na | na | na | na | na | na | na |
| OBNK Return (Price) | -58.5% | na | na | na | na | na | na | na | na | na | na |
| NAV +/- Price Ret | -0.083% | na | na | na | na | na | na | na | na | na | na |
| Digital Assets Avg | -30.7% | -9.9% | 65.8% | 127.8% | -72.3% | 199.4% | 175.1% | 11.8% | -81.4% | 1391.4% | 119.9% |
| OBNK Grade (NAV) | F | na | na | na | na | na | na | na | na | na | na |
| +/- Category | -33.1% | na | na | na | na | na | na | na | na | na | na |
| Risk Measures | |
| Beta: | na |
| R-Squared: | na |
| Standard Deviation: | na |
| Category Risk Index: | na |
| Category Risk Rating: | |
| Total Risk Index: | na |
| Total Risk Rating: | |
| Portfolio Characteristics | |
| Yield: | -- |
| Total Assets: | $ 6 Mil |
| Share Class Assets: | $ 6 Mil |
| Turnover: | na |
| Expense Ratio: | 2.50% |
| Index Fund: | Yes |
| Index Tracked: | BONK tokens USD |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Annually |
Management Team
| Number of Managers: 1 | |||
| Longest Tenure: 0.8 years | |||
| Average Tenure: 0.8 years | |||
| Managers (Year): Team Management (2025) | |||
Portfolio Composition (as of )
| # of Holdings: | |
| % in Top 10 Holdings: | 0.0% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 0.0% |
Portfolio Allocation |
|
| Domestic Stock: | 0.0% |
| Foreign Stock: | 0.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 0.0% |
Purchase Information
| Legal Structure: | Grantor Trust |
| Fund Family: | Osprey Fund LLC |
| Phone Number: | 561-570-1123 |
| Website: | |
| Inception Date: | September 30, 2025 |
Expenses and Fees
| Expense Ratio (%): | 2.50% (Rating: High) |
| Category Average Expense Ratio (%): | 0.97% |
