SEC 13F Intelligence

Arcadia Investment Management Corp/Mi / MPWR

Arcadia Investment Management Corp/Mi’s Monolithic Pwr Sys Inc Position

Does Arcadia Investment Management Corp/Mi own Monolithic Pwr Sys Inc (MPWR)? Yes — 19.9K shares worth $22M (+3.73% of its 13F portfolio) as of Q1 2026, down from 20.2K shares the prior filed quarter.

Position Value
$22M
Q1 2026
Shares
19.9K
% of Portfolio
+3.73%
Quarters Held
30
currently held

Position History MPWR

Reported value by quarter
Q4 ’18: $4MQ4 ’18Q1 ’19: $4MQ2 ’19: $4MQ3 ’19: $5MQ4 ’19: $6MQ4 ’19Q1 ’20: $6MQ2 ’20: $8MQ3 ’20: $10MQ4 ’20: $12MQ4 ’20Q1 ’21: $11MQ2 ’21: $12MQ3 ’21: $15MQ4 ’21: $14MQ4 ’21Q1 ’22: $13MQ2 ’22: $11MQ3 ’22: $10MQ4 ’22: $9MQ4 ’22Q1 ’23: $13MQ2 ’23: $13MQ3 ’23: $11MQ4 ’23: $14MQ4 ’23Q1 ’24: $15MQ2 ’24: $18MQ3 ’24: $20MQ4 ’24: $13MQ4 ’24Q1 ’25: $12MQ2 ’25: $15MQ3 ’25: $19MQ4 ’25: $18MQ4 ’25Q1 ’26: $22Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 202619.9K$22M+3.73%
Q4 202520.2K$18M+2.97%
Q3 202520.3K$19M+2.89%
Q2 202520.2K$15M+2.37%
Q1 202521.1K$12M+2.21%
Q4 202422.1K$13M+2.09%
Q3 202421.5K$20M+3.28%
Q2 202421.7K$18M+3.04%
Q1 202422.7K$15M+2.72%
Q4 202323.0K$14M+2.77%
Q3 202323.4K$11M+2.29%
Q2 202323.5K$13M+2.58%
Q1 202325.3K$13M+2.76%
Q4 202225.6K$9M+2.11%
Q3 202226.5K$10M+2.33%
Q2 202227.9K$11M+2.39%
Q1 202227.7K$13M+2.54%
Q4 202128.6K$14M+2.36%
Q3 202130.0K$15M+2.69%
Q2 202130.8K$12M+2.17%
Q1 202132.5K$11M+2.30%
Q4 202033.0K$12M+2.50%
Q3 202035.9K$10M+2.16%
Q2 202035.8K$8M+2.07%
Q1 202035.7K$6M+1.81%
Q4 201935.4K$6M+1.59%
Q3 201932.5K$5M+1.38%
Q2 201931.8K$4M+1.18%
Q1 201930.7K$4M+1.20%
Q4 201830.7K$4M+1.19%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Arcadia Investment Management Corp/Mi’s full portfolio or all institutional holders of MPWR.