# ISHARES TR MBS ETF

ISHARES TR MBS ETF is a security (CUSIP 464288588) tracked across SEC portfolio filings. 1,089 institutional managers reported $33.7B on Form 13F as of 2026-06-30; 5 registered fund positions totaling $39.7M via N-PORT as of 2026-03-31.

## Summary

- Issuer: ISHARES TR
- Class: MBS ETF
- CUSIP: 464288588
- Asset category: EC
- 13F holders: 1,089
- 13F value: $33.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 5
- N-PORT value: $39.7M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 1,089 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $6.3B | 66,207,297 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $3.5B | 37,143,199 |
| ENVESTNET ASSET MANAGEMENT INC | Berwyn, PA | $2.9B | 30,910,875 |
| [LPL Financial LLC](https://search.stillhousedata.com/firm/6413) | FORT MILL, SC | $2.7B | 27,984,290 |
| UBS Group AG | Zurich, V8 | $2.1B | 21,837,225 |
| MORGAN STANLEY | NEW YORK, NY | $1.0B | 10,792,188 |
| [TIAA Wealth Investment Management LLC](https://search.stillhousedata.com/firm/334925) | New York, NY | $988.9M | 10,439,731 |
| [TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES, LLC](https://search.stillhousedata.com/firm/20472) | CHARLOTTE, NC | $710.2M | 7,479,771 |
| TRUIST FINANCIAL CORP | CHARLOTTE, NC | $523.8M | 5,541,462 |
| UBS ASSET MANAGEMENT AMERICAS INC | CHICAGO, IL | $408.2M | 4,299,327 |
| STIFEL FINANCIAL CORP | ST. LOUIS, MO | $352.0M | 3,707,598 |
| [TIAA Wealth Investment Management LLC](https://search.stillhousedata.com/firm/334925) | New York, NY | $344.9M | 3,632,538 |
| BANK OF MONTREAL /CAN/ | TORONTO, A6 | $325.3M | 3,425,563 |
| Allworth Financial LP | FOLSOM, CA | $316.2M | 3,330,589 |
| PNC Financial Services Group, Inc. | Pittsburgh, PA | $289.0M | 3,043,941 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [JNL iShares Tactical Moderate Fund](https://search.stillhousedata.com/fund/S000035569) | Jackson Variable Series Trust | $29.7M | 2108.85% |
| [VALUE LINE CAPITAL APPRECIATION FUND INC](https://search.stillhousedata.com/fund/S000007571) | VALUE LINE CAPITAL APPRECIATION FUND INC | $3.8M | 82.28% |
| [VALUE LINE ASSET ALLOCATION FUND INC](https://search.stillhousedata.com/fund/S000007558) | VALUE LINE ASSET ALLOCATION FUND INC | $3.2M | 87.81% |
| [Global Atlantic Moderate Managed Risk Portfolio](https://search.stillhousedata.com/fund/S000045293) | Forethought Variable Insurance Trust | $2.8M | 363.64% |
| [Leuthold Global Fund](https://search.stillhousedata.com/fund/S000020808) | Leuthold Funds Inc | $199K | 108.92% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/464288588.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.