Mather Group 13F: Adds $43M to VMBS Stake

In a Form 13F filing with the U.S. Securities and Exchange Commission on October 14, 2026, Mather Group disclosed a notable expansion of its holdings in Vanguard Mortgage-Backed Securities Index Fund ETF Shares VMBS. The firm raised its investment during the reported quarter, signaling growing exposure to the fixed-income sector. Because institutional filings look backward, this report captures portfolio positioning from the end of the quarter and does not necessarily reflect any trades made since then.

What Changed in Mather Group's Vanguard Mortgage-Backed Securities Index Fund ETF Shares Position

Mather Group lifted its stake by 11.4%, purchasing an additional 968,285 shares. The firm held 8,499,381 shares previously. That brought its total holdings to 9,467,666 shares. The value of the position came in at $420,459,051 based on the filing details.

Vanguard Mortgage-Backed Securities Index Fund ETF Shares Stock Down 0.1%

The fund recently traded around $44.88 as of October 16, 2026. Over the past year, the fund has traded as low as $43.95 and as high as $47.90. The stock sits about 1.2% below its 50-day moving average of $45.43 and 3.5% below its 200-day moving average of $46.52. These moving averages track the average price over specific timeframes, and trading below them shows recent downward price pressure.

Dividend

The fund offers a dividend yield of about 4.41%. Dividends provide regular cash payments to shareholders based on the income generated by the underlying mortgage bonds in the portfolio.

About Vanguard Mortgage-Backed Securities Index Fund ETF Shares

Vanguard Mortgage-Backed Securities Index Fund ETF Shares tracks the performance of the Bloomberg U.S. MBS Float Adjusted Index. This index covers U.S. agency mortgage-backed pass-through securities issued by government-sponsored enterprises like Ginnie Mae, Fannie Mae, and Freddie Mac. To be included in the index, pool aggregates must have at least $1 billion currently outstanding and a weighted average maturity of at least one year. Major institutional moves into this fund often reflect broader portfolio strategies regarding mortgage debt and interest rate sensitivity.

Bottom Line

Followers of Mather Group's portfolio will need to wait for subsequent quarterly filings to see whether the firm continues adding to its position. Institutional reports provide a helpful look at how large managers allocate capital across fixed-income funds, but they remain historical snapshots. Keep in mind that 13F filings are backward-looking: they show holdings as of the end of the reporting quarter and may not represent the fund's current position.