JMBS
JANUS HENDERSON MORTG BACKEDData as of 2026 Q1 (03-31) · 13F snapshot
Summary
JANUS HENDERSON MORTG BACKED (JMBS) is held by 3 tracked hedge-fund managers, a combined reported value of ~$9.01M; the largest are Ken Griffin, Renaissance Technologies, Joel Greenblatt. This quarter: 2 new, 1 added. 12 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · LowThis quarter · Heating up
Gurus holding3
Congress trades12
Price$44.43vs quarter-end-1.66%
Sectors0
This quarter's moves
Top holderKen GriffinNew2
Added1
Trimmed / sold0
Value $493.2K— of portfolio10,8002025 Q3
Value $140.1K— of portfolio3,1002025 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $493.2K | — | — |
| Ken GriffinPUT | $140.1K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.