VBIRX Institutional Ownership & Shareholders
VANGUARD S/T BND INDX-ADM (VBIRX) is currently held by 3 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $27.80M based on the latest available SEC Form 13F filings for the quarter ended September 30, 2026.
First Merchants Corp is currently the largest disclosed institutional shareholder of VBIRX tracked by InsiderSet, reporting ownership valued at approximately $27.55M in its September 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed VBIRX value among the investors covered in this analysis. Major shareholders include First Merchants Corp, Coston, Mcisaac & Partners, Estabrook Capital Management, and several other long-term asset managers with concentrated positions in VANGUARD S/T BND INDX-ADM (VBIRX).
This page ranks the largest institutional VBIRX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
3
Total Reported Value
$27.80M
Largest Holder
First Merchants Corp
Largest Position
$27.55M
Insider Transactions (90d)
0
Latest Filing Quarter
Q3 2026
New Institutional Positions
5
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| First Merchants Corp | 0.90% | 2,757,740 | $27,549,817 | — | — | — | |
| Coston, Mcisaac & Partners | 0.05% | 22,843 | $232,000 | — | — | — | |
| Estabrook Capital Management | 0.00% | 1,967 | $20,044 | — | — | — |
Frequently asked questions about VBIRX
Who are the largest institutional holders of VBIRX?
The largest institutional holders of VBIRX reported in the latest SEC Form 13F filings include First Merchants Corp, Coston, Mcisaac & Partners, and Estabrook Capital Management. InsiderSet ranks institutional holders by their latest reported VBIRX position.
What is VBIRX institutional ownership?
This page tracks VBIRX positions reported by institutional investment managers through SEC Form 13F. VANGUARD S/T BND INDX-ADM (VBIRX) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own VBIRX?
InsiderSet currently tracks 3 institutional managers reporting VBIRX holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of VBIRX shareholders.
How much VBIRX stock do institutions own?
Institutional investment managers disclosed approximately $27.80M in VBIRX holdings for Q3 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was VBIRX institutional ownership last updated?
The latest VBIRX institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended September 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional VBIRX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its VBIRX position after the reporting date.
Are institutions buying or selling VBIRX?
Institutional buying and selling can be analyzed by comparing VBIRX positions across consecutive 13F reporting periods. InsiderSet's VBIRX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View VBIRX ownership changes.
How has VBIRX institutional ownership changed over time?
InsiderSet tracks VBIRX institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.