Frontier 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 | $87.1M | Sell |
79,699
-4,419
| -5% | -$4.83M | 0.9% | 21 |
|
|
2025
Q4 | $76.2M | Sell |
84,118
-79,798
| -49% | -$76.8M | 0.81% | 23 |
|
|
2025
Q3 | $151M | Buy |
163,916
+31,073
| +23% | +$25.2M | 1.35% | 5 |
|
|
2025
Q2 | $97.2M | Buy |
132,843
+4,121
| +3% | +$2.63M | 0.9% | 12 |
|
|
2025
Q1 | $74.7M | Sell |
128,722
-20,731
| -14% | -$13.1M | 0.82% | 21 |
|
|
2024
Q4 | $88.4M | Buy |
149,453
+6,737
| +5% | +$4.88M | 0.84% | 22 |
|
|
2024
Q3 | $132M | Buy |
142,716
+15,268
| +12% | +$13.2M | 1.24% | 8 |
|
|
2024
Q2 | $105M | Sell |
127,448
-8,701
| -6% | -$6.28M | 1.04% | 13 |
|
|
2024
Q1 | $92.2M | Sell |
136,149
-59,876
| -31% | -$40M | 0.86% | 21 |
|
|
2023
Q4 | $124M | Buy |
196,025
+15,263
| +8% | +$7.97M | 1.25% | 9 |
|
|
2023
Q3 | $83.5M | Sell |
180,762
-47,847
| -21% | -$24.5M | 0.92% | 20 |
|
|
2023
Q2 | $124M | Buy |
228,609
+86,647
| +61% | +$41.2M | 1.18% | 12 |
|
|
2023
Q1 | $71.1M | Buy |
141,962
+4,200
| +3% | +$1.93M | 0.73% | 46 |
|
|
2022
Q4 | $48.7M | Buy |
137,762
+39,157
| +40% | +$14.1M | 0.53% | 64 |
|
|
2022
Q3 | $35.8M | Sell |
98,605
-3,565
| -3% | -$1.59M | 0.42% | 84 |
|
|
2022
Q2 | $39.2M | Buy |
102,170
+79,696
| +355% | +$33.7M | 0.45% | 79 |
|
|
2022
Q1 | $10.9M | Sell |
22,474
-78
| -0.3% | -$34K | 0.1% | 205 |
|
|
2021
Q4 | $11.1M | Sell |
22,552
-5,202
| -19% | -$2.68M | 0.09% | 215 |
|
|
2021
Q3 | $13.5M | Sell |
27,754
-13,809
| -33% | -$6.28M | 0.11% | 201 |
|
|
2021
Q2 | $15.5M | Buy |
41,563
+5,858
| +16% | +$2.06M | 0.11% | 201 |
|
|
2021
Q1 | $12.6M | Sell |
35,705
-16,760
| -32% | -$6.1M | 0.1% | 206 |
|
|
2020
Q4 | $19.2M | Sell |
52,465
-212,984
| -80% | -$68.3M | 0.14% | 185 |
|
|
2020
Q3 | $74.2M | Sell |
265,449
-97,016
| -27% | -$25.2M | 0.65% | 45 |
|
|
2020
Q2 | $85.9M | Sell |
362,465
-94,525
| -21% | -$19.1M | 0.76% | 36 |
|
|
2020
Q1 | $76.5M | Sell |
456,990
-133,018
| -23% | -$22.8M | 0.86% | 30 |
|
|
2019
Q4 | $105M | Sell |
590,008
-111,677
| -16% | -$17.8M | 0.78% | 40 |
|
|
2019
Q3 | $109M | Sell |
701,685
-9,846
| -1% | -$1.47M | 0.86% | 28 |
|
|
2019
Q2 | $96.6M | Sell |
711,531
-133,611
| -16% | -$18.2M | 0.73% | 38 |
|
|
2019
Q1 | $115M | Buy |
845,142
+28,958
| +4% | +$3.8M | 0.81% | 24 |
|
|
2018
Q4 | $94.9M | Sell |
816,184
-209,283
| -20% | -$25M | 0.77% | 33 |
|
|
2018
Q3 | $129M | Sell |
1,025,467
-49,047
| -5% | -$6.84M | 0.83% | 23 |
|
|
2018
Q2 | $144M | Sell |
1,074,514
-89,461
| -8% | -$11.4M | 1.02% | 13 |
|
|
2018
Q1 | $135M | Sell |
1,163,975
-41,351
| -3% | -$4.9M | 0.98% | 17 |
|
|
2017
Q4 | $135M | Sell |
1,205,326
-4,978
| -0.4% | -$578K | 0.99% | 19 |
|
|
2017
Q3 | $129M | Buy |
1,210,304
+47,751
| +4% | +$4.85M | 0.93% | 18 |
|
|
2017
Q2 | $112M | Buy |
1,162,553
+577,248
| +99% | +$55M | 0.82% | 26 |
|
|
2017
Q1 | $53.9M | Sell |
585,305
-24,392
| -4% | -$2.16M | 0.4% | 98 |
|
|
2016
Q4 | $50M | Sell |
609,697
-18,736
| -3% | -$1.5M | 0.38% | 98 |
|
|
2016
Q3 | $50.6M | Sell |
628,433
-51,297
| -8% | -$3.79M | 0.41% | 87 |
|
|
2016
Q2 | $46.4M | Sell |
679,730
-44,658
| -6% | -$2.92M | 0.38% | 96 |
|
|
2016
Q1 | $46.1M | Sell |
724,388
-886
| -0.1% | -$52.8K | 0.37% | 97 |
|
|
2015
Q4 | $46.2M | Sell |
725,274
-27,969
| -4% | -$1.74M | 0.38% | 99 |
|
|
2015
Q3 | $38.6M | Sell |
753,243
-170,196
| -18% | -$8.44M | 0.32% | 112 |
|
|
2015
Q2 | $46.8M | Sell |
923,439
-19,734
| -2% | -$1.04M | 0.34% | 107 |
|
|
2015
Q1 | $49.7M | Sell |
943,173
-100,080
| -10% | -$5.04M | 0.36% | 102 |
|
|
2014
Q4 | $51.9M | Sell |
1,043,253
-253,735
| -20% | -$11.4M | 0.38% | 86 |
|
|
2014
Q3 | $57.1M | Sell |
1,296,988
-8,467
| -0.6% | -$372K | 0.46% | 70 |
|
|
2014
Q2 | $55.3M | Sell |
1,305,455
-89,274
| -6% | -$3.46M | 0.41% | 87 |
|
|
2014
Q1 | $54.1M | Sell |
1,394,729
-205,593
| -13% | -$7.25M | 0.39% | 90 |
|
|
2013
Q4 | $55.5M | Sell |
1,600,322
-255,534
| -14% | -$8.17M | 0.41% | 82 |
|
|
2013
Q3 | $56.2M | Sell |
1,855,856
-114,310
| -6% | -$3.21M | 0.43% | 80 |
|
|
2013
Q2 | $47.5M | Buy |
+1,970,166
| New | +$46.8M | 0.39% | 91 |
|
Other funds holding MPWR
VCM
VPM
Frontier Capital Management's MPWR Position: Q1 2026 in Review
Frontier Capital Management reduced its Monolithic Power Systems (MPWR) stake by 5.3% in Q1 2026, selling an estimated $4.83M and leaving 79,699 shares worth $87.1M. The position accounts for 0.9% of the portfolio, ranked #21.
Frontier Capital Management first reported a position in MPWR in Q2 2013 and has held it in 52 quarters since. The position peaked at $151M in Q3 2025. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.
- Frontier Capital Management held 79,699 shares of Monolithic Power Systems worth $87.1M as of Q1 2026.
- Frontier Capital Management sold 4,419 Monolithic Power Systems shares in Q1 2026, an estimated $4.83M.
- Monolithic Power Systems made up 0.9% of Frontier Capital Management's portfolio in Q1 2026, its #21 holding.
- Frontier Capital Management first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 52 quarters since.
- Frontier Capital Management's Monolithic Power Systems position peaked at $151M in Q3 2025.
- 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.
Based on Frontier Capital Management's 13F filing for Q1 2026, filed 15 May 2026.