← Back to the disclosure log

Who in Congress Has Traded iShares MBS ETF (MBB)?

The iShares MBS ETF line shows up 17 times in the congressional disclosure record between 2018 and 2026, filed by 2 members: 12 purchases against 5 sales. On balance the chamber has been net buyers, and the purchases sit down 2.3% against the latest close.

17Trades
12Buys
5Sells
2Members
$91.52Latest close 2026-10-26
-2.3%Congress buys vs latest close*

*Purchases only, weighted by the midpoint of each disclosed dollar band and marked to the latest close. Filings report a range, never a share count, so this follows the stock rather than anyone's position size.

71% buys29% sells

Recent buyers of MBB

Reported a MBB purchase in filings from the last 90 days, newest first. 1 member.

How it splits by party

Republicans
12 buys · 5 sells
2 members · 17 trades
DateMemberTypeAmountEst. priceLatest closeReturn
2026-09-09John BoozmanBUY$1K–$15K$92.22$91.52 2026-10-26-0.8%
2026-05-27John BoozmanBUY$1K–$15K$94.38$91.52 2026-10-26-3.0%
2026-05-13John BoozmanSELL$1K–$15K$94.35$91.52 2026-10-26+3.0% exit
2026-05-13John BoozmanSELL$1K–$15K$94.35$91.52 2026-10-26+3.0% exit
2026-02-06John BoozmanSELL$1K–$15K$95.53$91.52 2026-10-26+4.2% exit
2026-01-23John BoozmanBUY$1K–$15K$95.55$91.52 2026-10-26-4.2%
2025-11-21John BoozmanBUY$1K–$15K$95.49$91.52 2026-10-26-4.2%
2025-09-16John BoozmanSELL$1K–$15K$95.69$91.52 2026-10-26+4.4% exit
2025-08-01John BoozmanBUY$1K–$15K$93.72$91.52 2026-10-26-2.4%
2024-09-06John BoozmanBUY$1K–$15K$95.91$91.52 2026-10-26-4.6%
2023-11-07John BoozmanBUY$1K–$15K$88.93$91.52 2026-10-26+2.9%
2023-06-23JOHN BOOZMANBUY$1K–$15K$93.64$91.52 2026-10-26-2.3%
2023-06-13JOHN BOOZMANBUY$15K–$50K$93.13$91.52 2026-10-26-1.7%
2021-07-22Charles J. "Chuck" FleischmannBUY$1K–$15K$108.53$91.52 2026-10-26-15.7%
2021-02-01Charles J. "Chuck" FleischmannBUY$1K–$15K$110.13$91.52 2026-10-26-16.9%
2021-01-21Charles J. "Chuck" FleischmannBUY$1K–$15K$110.19$91.52 2026-10-26-16.9%
2018-12-21JOHN BOOZMANSELL$1K–$15K$104.08$91.52 2026-10-26+12.1% exit

Buys are marked to the latest close and treated as open. A sell tagged rt closes an earlier disclosed buy in the same name. exit shows how the stock moved after the member sold.

Frequently asked — iShares MBS ETF (MBB) congressional trades

Which lawmakers have traded iShares MBS ETF (MBB)?

2 members of the U.S. House and Senate have disclosed iShares MBS ETF transactions under the STOCK Act — 12 purchases and 5 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.

Which lawmakers bought MBB recently?

1 member disclosed a MBB purchase in the last 90 days — most recently John Boozman on 2026-09-09. See the "Lawmakers who bought MBB recently" section above for the dated list.

How have Congress's MBB trades performed?

Notional-weighted, lawmakers' disclosed MBB buys are down 2.3% versus the latest close of $91.52. Each trade's own return — and realized round-trips on matched sells — is in the Return column.

Is it legal for members of Congress to trade iShares MBS ETF?

Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded MBB and how it performed.

Related stocks — also traded by the same lawmakers

SPY 2IVW 2TLH 2MDY 2SHY 2AMZN 2IEI 2PYPL 2FLJP 2ADBE 2UNH 2GSK 2BND 2GILD 2ACN 2TLT 2V 2JMBS 1