Pier 88 Investment Partners’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
Q2 | $138K | Sell |
100
-1,100
| -92% | -$1.65M | 0.03% | 102 |
|
|
2026
Q1 | $1.31M | Sell |
1,200
-150
| -11% | -$164K | 0.34% | 36 |
|
|
2025
Q4 | $1.22M | Sell |
1,350
-4,430
| -77% | -$4.26M | 0.27% | 44 |
|
|
2025
Q3 | $5.32M | Buy |
5,780
+4,770
| +472% | +$3.87M | 1% | 24 |
|
|
2025
Q2 | $739K | Buy |
+1,010
| New | +$643K | 0.14% | 70 |
|
|
2024
Q4 | – | Sell |
-1,850
| Closed | -$1.71M | – | 101 |
|
|
2024
Q3 | $1.71M | Buy |
1,850
+90
| +5% | +$77.7K | 0.38% | 37 |
|
|
2024
Q2 | $1.45M | Buy |
1,760
+860
| +96% | +$621K | 0.32% | 47 |
|
|
2024
Q1 | $610K | Sell |
900
-1,430
| -61% | -$955K | 0.15% | 56 |
|
|
2023
Q4 | $1.47M | Sell |
2,330
-590
| -20% | -$308K | 0.37% | 37 |
|
|
2023
Q3 | $1.35M | Buy |
2,920
+250
| +9% | +$128K | 0.34% | 56 |
|
|
2023
Q2 | $1.44M | Sell |
2,670
-380
| -12% | -$181K | 0.36% | 49 |
|
|
2023
Q1 | $1.53M | Sell |
3,050
-120
| -4% | -$55.2K | 0.37% | 46 |
|
|
2022
Q4 | $1.12M | Buy |
3,170
+630
| +25% | +$226K | 0.27% | 50 |
|
|
2022
Q3 | $923K | Sell |
2,540
-10
| -0.4% | -$4.45K | 0.22% | 68 |
|
|
2022
Q2 | $979K | Buy |
+2,550
| New | +$1.08M | 0.23% | 67 |
|
|
2021
Q4 | – | Sell |
-5,211
| Closed | -$2.52M | – | 118 |
|
|
2021
Q3 | $2.52M | Sell |
5,211
-900
| -15% | -$409K | 0.76% | 34 |
|
|
2021
Q2 | $2.28M | Buy |
6,111
+2,940
| +93% | +$1.03M | 0.66% | 35 |
|
|
2021
Q1 | $1.12M | Buy |
3,171
+120
| +4% | +$43.7K | 0.38% | 57 |
|
|
2020
Q4 | $1.12M | Sell |
3,051
-4,685
| -61% | -$1.5M | 0.36% | 50 |
|
|
2020
Q3 | $2.16M | Sell |
7,736
-1,011
| -12% | -$263K | 0.66% | 34 |
|
|
2020
Q2 | $2.07M | Sell |
8,747
-6
| -0.1% | -$1.22K | 0.59% | 43 |
|
|
2020
Q1 | $1.47M | Buy |
8,753
+4,455
| +104% | +$763K | 0.54% | 39 |
|
|
2019
Q4 | $765K | Sell |
4,298
-3,605
| -46% | -$576K | 0.3% | 44 |
|
|
2019
Q3 | $1.23M | Buy |
7,903
+1,415
| +22% | +$212K | 0.48% | 34 |
|
|
2019
Q2 | $881K | Buy |
6,488
+1,330
| +26% | +$181K | 0.37% | 47 |
|
|
2019
Q1 | $699K | Buy |
5,158
+980
| +23% | +$129K | 0.32% | 60 |
|
|
2018
Q4 | $486K | Buy |
4,178
+30
| +0.7% | +$3.59K | 0.25% | 58 |
|
|
2018
Q3 | $521K | Sell |
4,148
-875
| -17% | -$122K | 0.23% | 61 |
|
|
2018
Q2 | $671K | Sell |
5,023
-490
| -9% | -$62.4K | 0.32% | 47 |
|
|
2018
Q1 | $638K | Buy |
5,513
+100
| +2% | +$11.9K | 0.31% | 47 |
|
|
2017
Q4 | $608K | Buy |
5,413
+2,055
| +61% | +$239K | 0.23% | 48 |
|
|
2017
Q3 | $358K | Hold |
3,358
| – | – | 0.14% | 77 |
|
|
2017
Q2 | $324K | Sell |
3,358
-527
| -14% | -$50.2K | 0.13% | 75 |
|
|
2017
Q1 | $358K | Sell |
3,885
-2,050
| -35% | -$182K | 0.15% | 73 |
|
|
2016
Q4 | $486K | Buy |
+5,935
| New | +$476K | 0.28% | 77 |
|
Other funds holding MPWR
Pier 88 Investment Partners's MPWR Position: Q2 2026 in Review
Pier 88 Investment Partners reduced its Monolithic Power Systems (MPWR) stake by 92% in Q2 2026, selling an estimated $1.65M and leaving 100 shares worth $138K. The position accounts for 0.03% of the portfolio, ranked #102.
Pier 88 Investment Partners first reported a position in MPWR in Q4 2016 and has held it in 35 quarters since. The position peaked at $5.32M in Q3 2025. 1,245 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.
- Pier 88 Investment Partners held 100 shares of Monolithic Power Systems worth $138K as of Q2 2026.
- Pier 88 Investment Partners sold 1,100 Monolithic Power Systems shares in Q2 2026, an estimated $1.65M.
- Monolithic Power Systems made up 0.03% of Pier 88 Investment Partners's portfolio in Q2 2026, its #102 holding.
- Pier 88 Investment Partners first reported a position in Monolithic Power Systems in Q4 2016 and has held it in 35 quarters since.
- Pier 88 Investment Partners's Monolithic Power Systems position peaked at $5.32M in Q3 2025.
- 1,245 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.
Based on Pier 88 Investment Partners's 13F filing for Q2 2026, filed 4 Aug 2026.