BBBS — BONDBLOXX ETF TRUST
As of Q2 2026, 2 SEC-registered investment managers reported holding BBBS (BONDBLOXX ETF TRUST) in their latest 13F filings, with a combined reported value of $797.88K across 15.63K shares. That is +135.5% by share count (+8.99K shares) versus the previous quarter, while reported value moved +135.1%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 1 added to existing stakes, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 2 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 15.58K | $795.38K | 0.00% | Add |
| Morgan Stanley history | 49 | $2.50K | 0.00% | Hold |
Q1 2026 — 3 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 6.58K | $336.53K | 0.00% | Reduce |
| Morgan Stanley history | 49 | $2.51K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 8 | $395 | 0.00% | Hold |
Q4 2025 — 4 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 117.50K | $6.05M | 0.00% | Add |
| Goldman Sachs Group history | 8.04K | $414.11K | 0.00% | New |
| Morgan Stanley history | 49 | $2.52K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 8 | $398 | 0.00% | Reduce |
Q3 2025 — 3 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 33.08K | $1.71M | 0.00% | Add |
| Morgan Stanley history | 49 | $2.53K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 15 | $796 | 0.00% | Reduce |
Q2 2025 — 4 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 19.79K | $1.02M | 0.00% | New |
| UBS Group AG history | 100 | $5.14K | 0.00% | New |
| Morgan Stanley history | 49 | $2.52K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 19 | $998 | 0.00% | New |
Q4 2024 — 2 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 45.72K | $2.31M | 0.00% | Add |
| UBS Group AG history | 124 | $6.26K | 0.00% | New |
New Positions (Q2 2026)
No fund opened a new position this quarter.
Fully Exited (vs previous quarter)
- Fidelity Management & Research (FMR) sold 8 sh · $395
Fund Position History — shares by quarter (top 5 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 |
|---|---|---|---|---|---|---|---|---|---|
| Citadel Advisors | 15.58K | 6.58K | 117.50K | 33.08K | 19.79K | 45.72K | 10.68K | — | 32.76K |
| Morgan Stanley | 49 | 49 | 49 | 49 | 49 | — | — | — | — |
| Fidelity Management & Research (FMR) | — | 8 | 8 | 15 | 19 | — | — | — | — |
| Goldman Sachs Group | — | — | 8.04K | — | — | — | — | — | — |
| UBS Group AG | — | — | — | — | 100 | 124 | — | 244 | 3 |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details