American Capital Management’s Monolithic Power Systems MPWR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $6.91M | Sell |
6,320
-168
| -3% | -$184K | 0.37% | 47 |
|
|
2025
Q4 | $5.88M | Sell |
6,488
-122
| -2% | -$117K | 0.26% | 47 |
|
|
2025
Q3 | $6.09M | Sell |
6,610
-405
| -6% | -$328K | 0.24% | 48 |
|
|
2025
Q2 | $5.13M | Sell |
7,015
-83
| -1% | -$52.9K | 0.21% | 48 |
|
|
2025
Q1 | $4.12M | Sell |
7,098
-18
| -0.3% | -$11.3K | 0.17% | 49 |
|
|
2024
Q4 | $4.21M | Sell |
7,116
-25
| -0.4% | -$18.1K | 0.16% | 47 |
|
|
2024
Q3 | $6.6M | Sell |
7,141
-1,858
| -21% | -$1.6M | 0.22% | 47 |
|
|
2024
Q2 | $7.39M | Sell |
8,999
-145
| -2% | -$105K | 0.25% | 45 |
|
|
2024
Q1 | $6.19M | Sell |
9,144
-125
| -1% | -$83.4K | 0.2% | 48 |
|
|
2023
Q4 | $5.85M | Buy |
9,269
+936
| +11% | +$489K | 0.2% | 48 |
|
|
2023
Q3 | $3.85M | Sell |
8,333
-16
| -0.2% | -$8.18K | 0.15% | 51 |
|
|
2023
Q2 | $4.51M | Buy |
8,349
+1,189
| +17% | +$565K | 0.16% | 53 |
|
|
2023
Q1 | $3.58M | Sell |
7,160
-30
| -0.4% | -$13.8K | 0.13% | 52 |
|
|
2022
Q4 | $2.54M | Buy |
7,190
+85
| +1% | +$30.5K | 0.1% | 53 |
|
|
2022
Q3 | $2.58M | Sell |
7,105
-2,816
| -28% | -$1.25M | 0.1% | 54 |
|
|
2022
Q2 | $3.81M | Sell |
9,921
-285
| -3% | -$120K | 0.14% | 53 |
|
|
2022
Q1 | $4.96M | Sell |
10,206
-136
| -1% | -$59.3K | 0.15% | 53 |
|
|
2021
Q4 | $5.1M | Buy |
10,342
+153
| +2% | +$79K | 0.13% | 52 |
|
|
2021
Q3 | $4.94M | Buy |
10,189
+120
| +1% | +$54.6K | 0.13% | 54 |
|
|
2021
Q2 | $3.76M | Buy |
10,069
+71
| +0.7% | +$25K | 0.11% | 56 |
|
|
2021
Q1 | $3.53M | Sell |
9,998
-3,169
| -24% | -$1.15M | 0.11% | 58 |
|
|
2020
Q4 | $4.82M | Sell |
13,167
-1,190
| -8% | -$381K | 0.14% | 54 |
|
|
2020
Q3 | $4.01M | Buy |
14,357
+150
| +1% | +$39K | 0.15% | 55 |
|
|
2020
Q2 | $3.37M | Sell |
14,207
-2,475
| -15% | -$501K | 0.12% | 57 |
|
|
2020
Q1 | $2.79M | Sell |
16,682
-2,688
| -14% | -$461K | 0.14% | 56 |
|
|
2019
Q4 | $3.45M | Buy |
19,370
+15
| +0.1% | +$2.4K | 0.14% | 55 |
|
|
2019
Q3 | $3.01M | Buy |
19,355
+90
| +0.5% | +$13.5K | 0.13% | 57 |
|
|
2019
Q2 | $2.62M | Buy |
19,265
+170
| +0.9% | +$23.1K | 0.11% | 59 |
|
|
2019
Q1 | $2.59M | Buy |
19,095
+1,390
| +8% | +$182K | 0.12% | 58 |
|
|
2018
Q4 | $2.06M | Buy |
17,705
+1,515
| +9% | +$181K | 0.11% | 60 |
|
|
2018
Q3 | $2.03M | Buy |
16,190
+180
| +1% | +$25.1K | 0.09% | 64 |
|
|
2018
Q2 | $2.14M | Buy |
16,010
+900
| +6% | +$115K | 0.11% | 62 |
|
|
2018
Q1 | $1.75M | Buy |
+15,110
| New | +$1.79M | 0.1% | 63 |
|
Other funds holding MPWR
VCM
VPM
American Capital Management's MPWR Position: Q1 2026 in Review
American Capital Management reduced its Monolithic Power Systems (MPWR) stake by 2.6% in Q1 2026, selling an estimated $184K and leaving 6,320 shares worth $6.91M. The position accounts for 0.37% of the portfolio, ranked #47.
American Capital Management first reported a position in MPWR in Q1 2018 and has held it in 33 quarters since. The position peaked at $7.39M in Q2 2024. 1,118 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.
- American Capital Management held 6,320 shares of Monolithic Power Systems worth $6.91M as of Q1 2026.
- American Capital Management sold 168 Monolithic Power Systems shares in Q1 2026, an estimated $184K.
- Monolithic Power Systems made up 0.37% of American Capital Management's portfolio in Q1 2026, its #47 holding.
- American Capital Management first reported a position in Monolithic Power Systems in Q1 2018 and has held it in 33 quarters since.
- American Capital Management's Monolithic Power Systems position peaked at $7.39M in Q2 2024.
- 1,118 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.
Based on American Capital Management's 13F filing for Q1 2026, filed 15 May 2026.