SEC 13F Intelligence

Primecap Management Co/Ca/ / MRSH

Primecap Management Co/Ca/’s Marsh & Mclennan Cos Inc Position

Does Primecap Management Co/Ca/ own Marsh & Mclennan Cos Inc (MRSH)? Yes — 717.5K shares worth $124M (+0.10% of its 13F portfolio) as of Q1 2026, up from 518.2K shares the prior filed quarter.

Position Value
$124M
Q1 2026
Shares
717.5K
% of Portfolio
+0.10%
Quarters Held
30
currently held

Position History MRSH

Reported value by quarter
Q4 ’18: $712MQ4 ’18Q1 ’19: $838MQ2 ’19: $857MQ3 ’19: $851MQ4 ’19: $945MQ4 ’19Q1 ’20: $692MQ2 ’20: $845MQ3 ’20: $879MQ4 ’20: $785MQ4 ’20Q1 ’21: $782MQ2 ’21: $893MQ3 ’21: $929MQ4 ’21: $974MQ4 ’21Q1 ’22: $859MQ2 ’22: $764MQ3 ’22: $539MQ4 ’22: $585MQ4 ’22Q1 ’23: $570MQ2 ’23: $558MQ3 ’23: $558MQ4 ’23: $551MQ4 ’23Q1 ’24: $594MQ2 ’24: $605MQ3 ’24: $640MQ4 ’24: $580MQ4 ’24Q1 ’25: $656MQ2 ’25: $429MQ3 ’25: $367MQ4 ’25: $96MQ4 ’25Q1 ’26: $124Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026717.5K$124M+0.10%
Q4 2025518.2K$96M+0.07%
Q3 20251.82M$367M+0.28%
Q2 20251.96M$429M+0.34%
Q1 20252.69M$656M+0.54%
Q4 20242.73M$580M+0.45%
Q3 20242.87M$640M+0.47%
Q2 20242.87M$605M+0.44%
Q1 20242.88M$594M+0.44%
Q4 20232.91M$551M+0.44%
Q3 20232.93M$558M+0.47%
Q2 20232.97M$558M+0.47%
Q1 20233.42M$570M+0.50%
Q4 20223.53M$585M+0.54%
Q3 20223.61M$539M+0.52%
Q2 20224.92M$764M+0.68%
Q1 20225.04M$859M+0.65%
Q4 20215.60M$974M+0.67%
Q3 20216.13M$929M+0.66%
Q2 20216.35M$893M+0.60%
Q1 20216.42M$782M+0.55%
Q4 20206.71M$785M+0.58%
Q3 20207.66M$879M+0.73%
Q2 20207.87M$845M+0.72%
Q1 20208.01M$692M+0.68%
Q4 20198.48M$945M+0.69%
Q3 20198.51M$851M+0.68%
Q2 20198.59M$857M+0.63%
Q1 20198.93M$838M+0.62%
Q4 20188.93M$712M+0.58%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Primecap Management Co/Ca/’s full portfolio or all institutional holders of MRSH.