Weil Company Discloses 15.4% Stake in BlackRock’s Active ETF
Weil Company reports substantial ownership in BlackRock iShares Total Return Active ETF.
August 18, 2025

Weil Company, a California-based investment adviser, has taken a sizable position in BlackRock’s iShares Total Return Active ETF. The firm now controls 679,174 shares, equal to 15.4 percent of the fund’s total. The disclosure, filed in mid-August, states that Weil holds full authority to vote and dispose of its shares.
Position overview
The stake crosses the five percent reporting threshold and places Weil among the larger institutional holders of the fund. The firm describes the position as part of ordinary portfolio activity, with no intent to influence the fund’s management or strategy.
- Shares owned: 679,174
- Ownership percentage: 15.4%
- Voting authority: Sole
- Dispositive authority: Sole
About the ETF and the firm
The iShares Total Return Active ETF sits within the BlackRock ETF Trust II structure and offers an actively managed approach in an exchange-traded format. The trust is based in Wilmington, Delaware. Weil Company operates from San Diego, California as a registered investment adviser. The most recent disclosure was signed by the firm’s chief financial and compliance officer, confirming the reported ownership and the basis for the position.
Market context
Large positions of this size can reflect demand for active ETF strategies and the role of institutional allocators in channeling flows. While BlackRock continues to manage the portfolio, Weil’s stake underscores how investment advisers are deploying capital into active vehicles designed to navigate changing market conditions.
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