Marshall Wace’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 | $2.56M | Sell |
1,849
-4,883
| -73% | -$7.33M | ﹤0.01% | 1718 |
|
|
2026
Q1 | $7.36M | Buy |
+6,732
| New | +$7.35M | 0.01% | 1115 |
|
|
2025
Q4 | – | Sell |
-132,145
| Closed | -$122M | – | 3274 |
|
|
2025
Q3 | $122M | Buy |
+132,145
| New | +$107M | 0.12% | 134 |
|
|
2025
Q2 | – | Sell |
-18,161
| Closed | -$10.5M | – | 2993 |
|
|
2025
Q1 | $10.5M | Sell |
18,161
-86,567
| -83% | -$54.6M | 0.01% | 752 |
|
|
2024
Q4 | $62M | Buy |
+104,728
| New | +$75.8M | 0.07% | 246 |
|
|
2024
Q3 | – | Sell |
-3,764
| Closed | -$3.09M | – | 2798 |
|
|
2024
Q2 | $3.09M | Sell |
3,764
-28,579
| -88% | -$20.6M | ﹤0.01% | 1187 |
|
|
2024
Q1 | $21.9M | Buy |
32,343
+17,952
| +125% | +$12M | 0.03% | 482 |
|
|
2023
Q4 | $9.08M | Buy |
+14,391
| New | +$7.52M | 0.02% | 718 |
|
|
2023
Q2 | – | Sell |
-9,133
| Closed | -$4.57M | – | 2785 |
|
|
2023
Q1 | $4.57M | Buy |
+9,133
| New | +$4.2M | 0.01% | 1047 |
|
|
2022
Q4 | – | Sell |
-105,928
| Closed | -$38.5M | – | 3235 |
|
|
2022
Q3 | $38.5M | Sell |
105,928
-27,180
| -20% | -$12.1M | 0.08% | 264 |
|
|
2022
Q2 | $51.1M | Buy |
133,108
+7,559
| +6% | +$3.19M | 0.11% | 194 |
|
|
2022
Q1 | $61M | Buy |
125,549
+10,266
| +9% | +$4.47M | 0.12% | 186 |
|
|
2021
Q4 | $56.9M | Buy |
115,283
+113,205
| +5,448% | +$58.4M | 0.11% | 188 |
|
|
2021
Q3 | $1.01M | Sell |
2,078
-7,138
| -77% | -$3.25M | ﹤0.01% | 2012 |
|
|
2021
Q2 | $3.44M | Buy |
9,216
+7,428
| +415% | +$2.61M | 0.02% | 1056 |
|
|
2021
Q1 | $631K | Sell |
1,788
-3,861
| -68% | -$1.41M | ﹤0.01% | 1851 |
|
|
2020
Q4 | $2.07M | Sell |
5,649
-48,782
| -90% | -$15.6M | 0.01% | 932 |
|
|
2020
Q3 | $15.2M | Buy |
54,431
+52,431
| +2,622% | +$13.6M | 0.1% | 212 |
|
|
2020
Q2 | $474K | Buy |
2,000
+1,639
| +454% | +$332K | ﹤0.01% | 1212 |
|
|
2020
Q1 | $60K | Buy |
+361
| New | +$61.9K | ﹤0.01% | 1398 |
|
|
2019
Q4 | – | Sell |
-1,633
| Closed | -$254K | – | 1938 |
|
|
2019
Q3 | $254K | Sell |
1,633
-1,527
| -48% | -$228K | ﹤0.01% | 1240 |
|
|
2019
Q2 | $429K | Buy |
+3,160
| New | +$430K | ﹤0.01% | 1115 |
|
|
2018
Q1 | – | Sell |
-2,744
| Closed | -$308K | – | 616 |
|
|
2017
Q4 | $308K | Buy |
+2,744
| New | +$319K | 0.01% | 345 |
|
|
2016
Q4 | – | Sell |
-5,637
| Closed | -$454K | – | 1069 |
|
|
2016
Q3 | $454K | Buy |
+5,637
| New | +$416K | ﹤0.01% | 811 |
|
|
2016
Q2 | – | Sell |
-112,459
| Closed | -$7.16M | – | 1095 |
|
|
2016
Q1 | $7.16M | Buy |
+112,459
| New | +$6.7M | 0.07% | 266 |
|
|
2015
Q4 | – | Sell |
-47,843
| Closed | -$2.45M | – | 1064 |
|
|
2015
Q3 | $2.45M | Buy |
+47,843
| New | +$2.37M | 0.03% | 411 |
|
|
2014
Q4 | – | Sell |
-61,692
| Closed | -$2.72M | – | 900 |
|
|
2014
Q3 | $2.72M | Sell |
61,692
-204,571
| -77% | -$9M | 0.04% | 389 |
|
|
2014
Q2 | $11.3M | Buy |
266,263
+96,705
| +57% | +$3.75M | 0.17% | 167 |
|
|
2014
Q1 | $6.57M | Buy |
+169,558
| New | +$5.98M | 0.12% | 204 |
|
Other funds holding MPWR
Marshall Wace's MPWR Position: Q2 2026 in Review
Marshall Wace reduced its Monolithic Power Systems (MPWR) stake by 73% in Q2 2026, selling an estimated $7.33M and leaving 1,849 shares worth $2.56M. The position accounts for ﹤0.01% of the portfolio, ranked #1718.
Marshall Wace first reported a position in MPWR in Q1 2014 and has held it in 29 quarters since. The position peaked at $122M in Q3 2025. 1,240 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.
- Marshall Wace held 1,849 shares of Monolithic Power Systems worth $2.56M as of Q2 2026.
- Marshall Wace sold 4,883 Monolithic Power Systems shares in Q2 2026, an estimated $7.33M.
- Monolithic Power Systems made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1718 holding.
- Marshall Wace first reported a position in Monolithic Power Systems in Q1 2014 and has held it in 29 quarters since.
- Marshall Wace's Monolithic Power Systems position peaked at $122M in Q3 2025.
- 1,240 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.
Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.