Boothbay Fund 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
Q2 | $1.7M | Buy |
+1,229
| New | +$1.85M | 0.02% | 799 |
|
|
2024
Q4 | – | Sell |
-532
| Closed | -$492K | – | 1776 |
|
|
2024
Q3 | $492K | Buy |
+532
| New | +$459K | 0.01% | 988 |
|
|
2024
Q2 | – | Sell |
-649
| Closed | -$440K | – | 1744 |
|
|
2024
Q1 | $440K | Buy |
+649
| New | +$433K | 0.01% | 1050 |
|
|
2023
Q4 | – | Sell |
-600
| Closed | -$277K | – | 1858 |
|
|
2023
Q3 | $277K | Buy |
+600
| New | +$307K | 0.01% | 1284 |
|
|
2023
Q2 | – | Sell |
-811
| Closed | -$406K | – | 2105 |
|
|
2023
Q1 | $406K | Buy |
+811
| New | +$373K | 0.01% | 1349 |
|
|
2022
Q4 | – | Sell |
-2,380
| Closed | -$865K | – | 2281 |
|
|
2022
Q3 | $865K | Sell |
2,380
-10,077
| -81% | -$4.48M | 0.02% | 950 |
|
|
2022
Q2 | $4.78M | Buy |
12,457
+1,154
| +10% | +$487K | 0.13% | 191 |
|
|
2022
Q1 | $5.49M | Buy |
11,303
+6,935
| +159% | +$3.02M | 0.13% | 184 |
|
|
2021
Q4 | $2.15M | Sell |
4,368
-1,171
| -21% | -$604K | 0.05% | 460 |
|
|
2021
Q3 | $2.69M | Sell |
5,539
-4,412
| -44% | -$2.01M | 0.07% | 339 |
|
|
2021
Q2 | $3.72M | Sell |
9,951
-385
| -4% | -$135K | 0.12% | 192 |
|
|
2021
Q1 | $3.65M | Sell |
10,336
-3,836
| -27% | -$1.4M | 0.14% | 153 |
|
|
2020
Q4 | $5.19M | Buy |
14,172
+11,432
| +417% | +$3.66M | 0.19% | 92 |
|
|
2020
Q3 | $766K | Sell |
2,740
-14,717
| -84% | -$3.83M | 0.05% | 512 |
|
|
2020
Q2 | $4.14M | Buy |
17,457
+362
| +2% | +$73.3K | 0.28% | 77 |
|
|
2020
Q1 | $2.86M | Buy |
+17,095
| New | +$2.93M | 0.24% | 104 |
|
|
2019
Q4 | – | Sell |
-7,904
| Closed | -$1.23M | – | 933 |
|
|
2019
Q3 | $1.23M | Sell |
7,904
-53
| -0.7% | -$7.92K | 0.11% | 251 |
|
|
2019
Q2 | $1.08M | Buy |
7,957
+343
| +5% | +$46.7K | 0.1% | 248 |
|
|
2019
Q1 | $1.03M | Sell |
7,614
-647
| -8% | -$84.9K | 0.1% | 225 |
|
|
2018
Q4 | $960K | Buy |
+8,261
| New | +$989K | 0.14% | 150 |
|
|
2018
Q3 | – | Sell |
-14,515
| Closed | -$1.94M | – | 888 |
|
|
2018
Q2 | $1.94M | Buy |
14,515
+6,091
| +72% | +$776K | 0.17% | 101 |
|
|
2018
Q1 | $975K | Sell |
8,424
-2,132
| -20% | -$253K | 0.12% | 178 |
|
|
2017
Q4 | $1.19M | Sell |
10,556
-1,772
| -14% | -$206K | 0.17% | 113 |
|
|
2017
Q3 | $1.31M | Buy |
12,328
+2,175
| +21% | +$221K | 0.22% | 111 |
|
|
2017
Q2 | $979K | Sell |
10,153
-3,390
| -25% | -$323K | 0.2% | 101 |
|
|
2017
Q1 | $1.25M | Buy |
+13,543
| New | +$1.2M | 0.23% | 87 |
|
|
2016
Q3 | – | Sell |
-3,468
| Closed | -$237K | – | 773 |
|
|
2016
Q2 | $237K | Buy |
+3,468
| New | +$227K | 0.09% | 327 |
|
Other funds holding MPWR
Boothbay Fund Management's MPWR Position: Q2 2026 in Review
Boothbay Fund Management opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 1,229 shares worth $1.7M. The stake represents 0.02% of the portfolio and ranks #799 among its holdings. This is a return to the name: Boothbay Fund Management previously reported a position in MPWR as recently as Q3 2024.
Boothbay Fund Management first reported a position in MPWR in Q2 2016 and has held it in 27 quarters since. The position peaked at $5.49M in Q1 2022. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.
- Boothbay Fund Management held 1,229 shares of Monolithic Power Systems worth $1.7M as of Q2 2026.
- Monolithic Power Systems was a new Boothbay Fund Management position in Q2 2026.
- Monolithic Power Systems made up 0.02% of Boothbay Fund Management's portfolio in Q2 2026, its #799 holding.
- Boothbay Fund Management first reported a position in Monolithic Power Systems in Q2 2016 and has held it in 27 quarters since.
- Boothbay Fund Management's Monolithic Power Systems position peaked at $5.49M in Q1 2022.
- 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.
Based on Boothbay Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.