Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
MSTR
STRATEGY INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
STRATEGY INC (MSTR) is held by 7 tracked hedge-fund managers, a combined reported value of ~$3.11B; the largest are Ken Griffin, Ken Griffin, Renaissance Technologies. This quarter: 1 new, 3 added, 2 trimmed. 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 · MediumThis quarter · Heating up
Gurus holding7
Congress trades12
Price$123.97vs quarter-end-0.67%
Sectors2
This quarter's moves
Top holderKen GriffinNew1
Added3
Trimmed / sold2
Value $1.33B— of portfolio10,693,1002026 Q1
Value $1.15B— of portfolio9,188,2002026 Q1
Value $230.77M0.4% of portfolio2,130,8812026 Q1
Value $90.85M— of portfolio728,0002026 Q1
Value $85.05M— of portfolio681,5002026 Q1
Value $20.90M— of portfolio167,5002026 Q1
Value $16.41M— of portfolio50,0002023 Q3
Value $16.37M— of portfolio131,2002026 Q1
Bill MillerBig add
Value $6.50M1.7% of portfolio52,0582026 Q1
Value $3.16M— of portfolio5,0002023 Q4
Value $486.0K— of portfolio1,0002022 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $1.33B | — | — |
| Ken GriffinPUT | $1.15B | — | — |
| Renaissance Technologies | $230.77M | 0.4% | Add |
| Izzy EnglanderPUT | $90.85M | — | — |
| Izzy EnglanderCALL | $85.05M | — | — |
| Steven CohenPUT | $20.90M | — | — |
| George SorosPUT | $16.41M | — | — |
| Steven CohenCALL | $16.37M | — | — |
| Bill Miller | $6.50M | 1.7% | Big add |
| George SorosCALL | $3.16M | — | — |
| Bill MillerCALL | $486.0K | — | — |