JANUS DETROIT STR TR (JMBS): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in JMBS. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$50.7M
Across holders
Last Price
$42.84
2026-10-20
Sector
—
GICS
Quarterly fund activity4 increased3 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 501K | $22.6M | 44.5% | 0.0% | Reduced | $-6.5M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 353K | $15.9M | 31.4% | 0.0% | Added | +$12.3M | Q2 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 127K | $5.7M | 11.3% | 0.1% | Reduced | $-517K | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 66K | $3.0M | 5.9% | 0.0% | Added | +$440K | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 57K | $2.6M | 5.1% | 0.0% | Added | +$380K | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 14K | $622K | 1.2% | 0.0% | Reduced | $-246K | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 7K | $314K | 0.6% | 0.0% | Added | — | Q2 2026 |
Reduced
Hedge Fund
$22.6M· 44.5% of total· 0.0% port· 501K sh· $-6.5M QoQ· Q2 2026
Added
Hedge Fund
$15.9M· 31.4% of total· 0.0% port· 353K sh· +$12.3M QoQ· Q2 2026
Reduced
Hedge Fund
$5.7M· 11.3% of total· 0.1% port· 127K sh· $-517K QoQ· Q2 2026
Added
Hedge Fund
$3.0M· 5.9% of total· 0.0% port· 66K sh· +$440K QoQ· Q2 2026
Added
Hedge Fund
$2.6M· 5.1% of total· 0.0% port· 57K sh· +$380K QoQ· Q2 2026
Reduced
Hedge Fund
$622K· 1.2% of total· 0.0% port· 14K sh· $-246K QoQ· Q2 2026
Added
Hedge Fund
$314K· 0.6% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
Recent insider activity
No Form 4 purchase or sale records in our coverage in the last 90 days.