Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
AJG
ARTHUR J GALLAGHER & COData as of 2026 Q1 (03-31) · 13F snapshot
Summary
ARTHUR J GALLAGHER & CO (AJG) is held by 9 tracked hedge-fund managers, a combined reported value of ~$556.39M; the largest are Ken Griffin, Andreas Halvorsen, George Soros. This quarter: 4 added, 2 trimmed. 20 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Heating up
Gurus holding9
Congress trades20
Price$218.69vs quarter-end+0.97%
Sectors0
This quarter's moves
Top holderKen GriffinNew0
Added4
Trimmed / sold2
Value $157.55M0.4% of portfolio727,4412026 Q1
George SorosNew large stake
Value $85.16M2.1% of portfolio300,0002024 Q4
Value $22.76M— of portfolio105,1002026 Q1
Value $10.37M— of portfolio47,9002026 Q1
Value $6.17M— of portfolio28,5002026 Q1
Value $5.83M— of portfolio26,9002026 Q1
Value $2.56M— of portfolio9,9002025 Q4
Value $414.1K— of portfolio1,6002025 Q4
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Andreas Halvorsen | $157.55M | 0.4% | Trim |
| George Soros | $85.16M | 2.1% | New large stake |
| Ken GriffinCALL | $22.76M | — | — |
| Ken GriffinPUT | $10.37M | — | — |
| Izzy EnglanderCALL | $6.17M | — | — |
| Izzy EnglanderPUT | $5.83M | — | — |
| Steven CohenCALL | $2.56M | — | — |
| Steven CohenPUT | $414.1K | — | — |