Senator John Boozman Sells iShares MBS ETF Shares

Senator Boozman disclosed selling iShares MBS ETF shares valued between $1,001 and $15,000.

Written by EarningsIQ · Published Jun 17, 2026, 2:02 AM EDT · Updated Jun 17, 2026, 3:01 AM EDT

Key Points

Senator John Boozman sold shares of iShares MBS ETF, valued between $1,001 and $15,000, on May 13, 2026.
The ETF trades on NasdaqGM under the ticker MBB, with a recent price of $94.705 and a 52-week range of $92.41 to $96.97.
Peer activity includes Bank of America reducing its holdings by 4.8 million shares, while UBS Group AG increased its stake significantly.

Congressional trading track record

John Boozman vs. the S&P 500

YTD return +2.5% hypothetical

All-time return +1.7% S&P 500 +63.8%

vs. S&P 500 -62.0% behind the index

Hypothetical, simulated performance of disclosed positions vs. the S&P 500. Not realized profit and not investment advice. Past performance does not indicate future results. Details.

Senator John Boozman, a member of the U.S. Senate, disclosed a sale of shares in the iShares MBS ETF. The transaction, which took place on May 13, 2026, involved shares valued between $1,001 and $15,000. This disclosure comes as part of periodic transaction reports filed under the STOCK Act and was reported on June 16, 2026.

Other Institutional Activity in iShares MBS ETF

In recent activity among major holders of the iShares MBS ETF, Bank of America Corp reduced its position by about 4.8 million shares, leaving it with approximately 66.2 million shares valued at $6.29 billion. Meanwhile, JPMorgan Chase & Co added over 2 million shares, bringing its total to around 37.1 million shares worth $3.52 billion. Envestnet Asset Management Inc also increased its holdings by nearly 2.8 million shares, now holding approximately 28.9 million shares valued at $2.74 billion. UBS Group AG made a substantial increase, adding about 19.9 million shares, resulting in a total of 21.8 million shares valued at $2.07 billion.

iShares MBS ETF Stock Snapshot

Shares of iShares MBS ETF, trading under the ticker MBB on NasdaqGM, recently traded near $94.705. The ETF has a 52-week low of $92.41 and a high of $96.97. Its 50-day moving average is $94.5524, while the 200-day moving average stands at $95.17435. The fund offers a dividend yield of 4.24%.

About iShares MBS ETF

iShares MBS ETF is a fund designed to track the performance of mortgage-backed securities (MBS). It invests primarily in the component securities of its underlying index and in TBAs (to-be-announced securities) that have similar economic characteristics. The fund aims to invest at least 90% of its assets in fixed income securities included in the index.

Bottom Line

The sale by Senator John Boozman highlights a transaction in the iShares MBS ETF, which is closely watched by investors due to its focus on mortgage-backed securities. While Boozman's sale is a small part of the ETF's overall activity, it provides insight into legislative member trading. The ETF remains a significant player in the fixed income market, as evidenced by substantial institutional movements.