Foster Group 13F: Adds $11M to MUB Stake

Foster Group has increased its holdings in MUB by 19%, adding over 107,000 shares.

By EarningsIQ Research Desk · Published Oct 15, 2026, 9:40 PM EDT · Updated Oct 15, 2026, 9:44 PM EDT

Reviewed by automated data checks against the source filing. How we make and check alerts

Foster Group added 107,584 shares to its stake in iShares National Muni Bond ETF ($MUB), a 19.01% increase, according to a 13F filing with the SEC dated October 13, 2026. It reported 673,637 shares worth $68.10 million at the end of the quarter.

Since the filing, $MUB is up 0.6% to date (from the $101.77 close on Oct 13, 2026).

Find the original: Foster Group 13F filings on SEC EDGAR

MUB iShares National Muni Bond ETF

$102.35 -2.23% year to date

Daily close · Oct 16, 2026

Key Points

Foster Group raised its stake in MUB by 19%, adding 107,584 shares to reach 673,637 shares.
The increased position in MUB is now valued at approximately $68.1 million.
The latest Form 13F filing reflects holdings as of the reporting period, not necessarily current.

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Not investment advice. EarningsIQ is not a registered investment adviser, and this automated iShares National Muni Bond ETF alert may contain errors. Disclosures

Foster Group has increased its holdings in MUB, adding 107,584 shares to its portfolio. This move represents a 19% increase, bringing its total to 673,637 shares. The value of this position is now approximately $68.1 million, according to the latest Form 13F filing with the SEC.

13F track record

Foster Group vs. the S&P 500

YTD return +3.60% hypothetical

All-time return +3.60% S&P 500 +5.65%

vs. S&P 500 -2.05% behind the index

Hypothetical returns from Foster Group's disclosed trades, not real profit or advice. How we model this.

What Changed in Foster Group's MUB Position

Foster Group boosted its stake in MUB by 19%, adding 107,584 shares to its holdings. The firm now owns 673,637 shares, up from 566,053 shares previously. This increase in shares is valued at around $68.1 million.

About MUB

MUB is a ticker symbol often associated with a financial product or fund, typically involving municipal bonds or similar investments. These funds are designed to provide investors with exposure to a diversified portfolio of municipal bonds, which can offer tax-exempt income. Investors track changes in holdings and positions to gauge institutional sentiment and strategy.

Bottom Line

Foster Group's decision to increase its stake in MUB by 19% highlights its confidence in the fund's potential. The 13F filing provides a snapshot of the firm's holdings as of the reporting period, offering valuable insights into its investment strategy. Investors often monitor such filings to understand institutional movements and market trends.

More on this

Source: Foster Group's 13F filing on $MUB (Oct 13, 2026). 13F filings show holdings as of the end of the reporting quarter and may not reflect the fund's current position. Find the original filing: Foster Group 13F filings on SEC EDGAR. Written by software, not financial advice. How we make alerts