As of November 5, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of iShares BBB-B CLO Active ETF. The largest reported stake is BlackRock Portfolio Management LLC's, at 43.5%. 57 filings are on record since July 2, 2025 (Schedule 13G/A, November 4, 2026).
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Key facts
- · Reporting person: BlackRock Portfolio Management LLC · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 1,000,000 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-11-04
- · Holder: BlackRock Portfolio Management LLC · Percent: 18.7% · SCHEDULE 13G/A
- · Holder: BlackRock Portfolio Management LLC · Percent: 5.2% · SCHEDULE 13G/A
- · Holder: BlackRock Portfolio Management LLC · Percent: 21.5% · SCHEDULE 13G/A
- · Holder: BlackRock Portfolio Management LLC · Percent: 50% · SCHEDULE 13G/A
iShares BBB-B CLO Active ETF has 57 Schedule 13D or 13G filings on record since 2025-07-02. 2 holders' latest filing reports 5% or more of common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| BlackRock Portfolio Management LLC | 43.5% | 1,000,000 | SCHEDULE 13G/A, 2026-11-04 | 2026-10-31 |
| Fmr LLC | 5.2% | 744,112 | SCHEDULE 13G, 2026-08-06 | 2026-06-30 |
| Weil Company, Inc. | 4.17% | 680,200 | SCHEDULE 13G/A, 2026-10-02 | 2026-09-30 |
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| BlackRock Portfolio Management LLC | 0 | 0 | 1,000,000 | 0 | SCHEDULE 13G/A, 2026-11-04 |
| Fmr LLC | 0 | 0 | 744,112 | 0 | SCHEDULE 13G, 2026-08-06 |
| Abigail P. Johnson | 0 | 0 | 744,112 | 0 | SCHEDULE 13G, 2026-08-06 |
| Weil Company, Inc. | 680,200 | 0 | 680,200 | 0 | SCHEDULE 13G/A, 2026-10-02 |
The latest filing identifies iShares BBB-B CLO Active ETF by CUSIP 092528850 and gives its principal executive office as 100 BELLEVUE PARKWAY, WILMINGTON, DE 19809 (SCHEDULE 13G/A, 2026-11-04).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-02 | BlackRock Portfolio Management LLC | 87% | SCHEDULE 13G/A |
| 2025-07-02 | BlackRock Portfolio Management LLC | 76.9% | SCHEDULE 13G/A |
| 2025-07-02 | BlackRock Portfolio Management LLC | 100% | SCHEDULE 13G |
| 2025-07-15 | BlackRock Portfolio Management LLC | 21.3% | SCHEDULE 13G/A |
| 2025-07-15 | BlackRock Portfolio Management LLC | 6.8% | SCHEDULE 13G/A |
| 2025-08-05 | BlackRock Portfolio Management LLC | 32.9% | SCHEDULE 13G/A |
| 2025-08-15 | Weil Company, Inc. | 15.4% | SCHEDULE 13G |
| 2025-09-05 | BlackRock Portfolio Management LLC | 12.9% | SCHEDULE 13G/A |
| 2025-09-05 | BlackRock Portfolio Management LLC | 76.9% | SCHEDULE 13G/A |
| 2025-09-05 | BlackRock Portfolio Management LLC | 15.5% | SCHEDULE 13G/A |
| 2025-10-02 | BlackRock Portfolio Management LLC | 71.4% | SCHEDULE 13G/A |
| 2025-10-02 | BlackRock Portfolio Management LLC | 69% | SCHEDULE 13G/A |
| 2025-10-02 | BlackRock Portfolio Management LLC | 2.1% | SCHEDULE 13G/A |
| 2025-10-17 | BlackRock Portfolio Management LLC | 4.9% | SCHEDULE 13G/A |
| 2025-10-17 | BlackRock Portfolio Management LLC | 29.2% | SCHEDULE 13G/A |
| 2025-10-17 | BlackRock Portfolio Management LLC | 95.2% | SCHEDULE 13G/A |
| 2025-10-17 | BlackRock Portfolio Management LLC | 7.7% | SCHEDULE 13G/A |
| 2025-11-06 | BlackRock Portfolio Management LLC | 92.9% | SCHEDULE 13G |
| 2025-11-12 | Weil Company, Inc. | 11.36% | SCHEDULE 13G/A |
| 2025-12-04 | BlackRock Portfolio Management LLC | 86.7% | SCHEDULE 13G/A |
| 2025-12-04 | BlackRock Portfolio Management LLC | 62.5% | SCHEDULE 13G/A |
| 2026-01-05 | Weil Company, Inc. | 6.31% | SCHEDULE 13G/A |
| 2026-01-08 | BlackRock Portfolio Management LLC | 92.9% | SCHEDULE 13G/A |
| 2026-01-21 | BlackRock Portfolio Management LLC | 6.5% | SCHEDULE 13G |
| 2026-01-21 | BlackRock Portfolio Management LLC | 25.1% | SCHEDULE 13G/A |
| 2026-01-21 | BlackRock Portfolio Management LLC | 11.6% | SCHEDULE 13G/A |
| 2026-01-21 | BlackRock Portfolio Management LLC | 93% | SCHEDULE 13G/A |
| 2026-01-21 | BlackRock Portfolio Management LLC | 66.7% | SCHEDULE 13G/A |
| 2026-01-21 | BlackRock Portfolio Management LLC | 60.6% | SCHEDULE 13G/A |
| 2026-02-04 | Weil Company, Inc. | 6.19% | SCHEDULE 13G/A |
| 2026-02-06 | BlackRock Portfolio Management LLC | 42.8% | SCHEDULE 13G |
| 2026-03-04 | BlackRock Portfolio Management LLC | 51.3% | SCHEDULE 13G/A |
| 2026-04-07 | BlackRock Portfolio Management LLC | 86.7% | SCHEDULE 13G/A |
| 2026-04-29 | BlackRock Portfolio Management LLC | 22.4% | SCHEDULE 13G/A |
| 2026-04-29 | BlackRock Portfolio Management LLC | 90.9% | SCHEDULE 13G/A |
| 2026-04-29 | BlackRock Portfolio Management LLC | 4.9% | SCHEDULE 13G/A |
| 2026-04-30 | BlackRock Portfolio Management LLC | 45.1% | SCHEDULE 13G/A |
| 2026-05-06 | BlackRock Portfolio Management LLC | 33.7% | SCHEDULE 13G/A |
| 2026-06-04 | BlackRock Portfolio Management LLC | 99.9% | SCHEDULE 13G/A |
| 2026-07-08 | BlackRock Portfolio Management LLC | 1.6% | SCHEDULE 13G/A |
| 2026-07-08 | BlackRock Portfolio Management LLC | 41.7% | SCHEDULE 13G/A |
| 2026-07-17 | BlackRock Portfolio Management LLC | 23.4% | SCHEDULE 13G/A |
| 2026-07-17 | BlackRock Portfolio Management LLC | 12.7% | SCHEDULE 13G/A |
| 2026-07-17 | BlackRock Portfolio Management LLC | 29.5% | SCHEDULE 13G/A |
| 2026-08-06 | Fmr LLC | 5.2% | SCHEDULE 13G |
| 2026-08-06 | BlackRock Portfolio Management LLC | 58.8% | SCHEDULE 13G/A |
| 2026-08-06 | BlackRock Portfolio Management LLC | 23.7% | SCHEDULE 13G/A |
| 2026-08-10 | Weil Company, Inc. | 4.55% | SCHEDULE 13G/A |
| 2026-09-04 | BlackRock Portfolio Management LLC | 92.9% | SCHEDULE 13G/A |
| 2026-09-04 | BlackRock Portfolio Management LLC | 34.5% | SCHEDULE 13G/A |
| 2026-10-02 | Weil Company, Inc. | 4.17% | SCHEDULE 13G/A |
| 2026-10-05 | BlackRock Portfolio Management LLC | 50% | SCHEDULE 13G/A |
| 2026-10-05 | BlackRock Portfolio Management LLC | 1.5% | SCHEDULE 13G/A |
| 2026-10-27 | BlackRock Portfolio Management LLC | 5.2% | SCHEDULE 13G/A |
| 2026-10-27 | BlackRock Portfolio Management LLC | 21.5% | SCHEDULE 13G/A |
| 2026-11-04 | BlackRock Portfolio Management LLC | 18.7% | SCHEDULE 13G/A |
| 2026-11-04 | BlackRock Portfolio Management LLC | 43.5% | SCHEDULE 13G/A |
Questions about who owns iShares BBB-B CLO Active ETF
Who owns iShares BBB-B CLO Active ETF?
On this page, 2 holders' latest ownership filings report 5% or more of iShares BBB-B CLO Active ETF: BlackRock Portfolio Management LLC (43.5%, Schedule 13G/A, filed 2026-11-04) and Fmr LLC (5.2%, Schedule 13G, filed 2026-08-06).
Who are the largest shareholders of iShares BBB-B CLO Active ETF?
By the share each holder's latest filing reports, the largest holders of iShares BBB-B CLO Active ETF on this page are BlackRock Portfolio Management LLC (43.5%) and Fmr LLC (5.2%).
When did BlackRock Portfolio Management LLC buy into iShares BBB-B CLO Active ETF?
The filings give report dates, not purchase dates. The earliest filing from BlackRock Portfolio Management LLC on this page is the Schedule 13G/A, filed 2025-07-02, reporting 87%; its latest, Schedule 13G/A filed 2026-11-04, reports 43.5%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 57 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.
