JMBS
Janus Henderson Mortgage-Backed Securities ETF · Financial Services · Asset Management - Bonds
Momentum inputs (comparable managers):
holder breadth +25.0% ·
share flow +0.2% ·
net new positions +20.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 820.26K | $34.83M | n/a | n/a |
| Q2 2026 | 43 | +1 | 94.59M | $4.26B | +6 | −6 |
| Q1 2026 | 45 | +5 | 89.58M | $4.05B | +8 | −3 |
| Q4 2025 | 40 | 0 | 93.68M | $4.27B | +1 | −1 |
| Q3 2025 | 5 | +1 | 21.47M | $980.62M | +1 | n/a |
| Q2 2025 | 2 | +1 | 117.14K | $5.28M | +1 | n/a |
| Q4 2024 | 1 | 0 | 509.88K | $22.53M | +1 | −1 |
| Q3 2024 | 1 | 0 | 52.20K | $2.44M | +1 | −1 |
| Q2 2024 | 1 | n/a | 57.75K | $2.58M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Morgan Stanley ✦ | 21.29M | n/a | $972.45M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 2 | Renaissance Technologies ✦ | 104.70K | New | $4.78M | 0.0% | New | 1 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 58.22K | -48.7% | $2.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | JPMorgan Chase ✦ | 12.36K | n/a | $564,644 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 5 | BlackRock ✦ (passive) | 3.62K | 0.0% | $165,188 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $4.78M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 264 holders, 129.99M shares, $5.75B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.