ClearBridge Investments’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 | $18.3M | Buy |
16,717
+7,506
| +81% | +$8.2M | 0.02% | 424 |
|
|
2025
Q4 | $8.35M | Hold |
9,211
| – | – | 0.01% | 517 |
|
|
2025
Q3 | $8.48M | Buy |
9,211
+259
| +3% | +$210K | 0.01% | 533 |
|
|
2025
Q2 | $6.55M | Sell |
8,952
-30,168
| -77% | -$19.2M | 0.01% | 545 |
|
|
2025
Q1 | $22.7M | Sell |
39,120
-13,626
| -26% | -$8.59M | 0.02% | 398 |
|
|
2024
Q4 | $31.2M | Sell |
52,746
-834
| -2% | -$604K | 0.03% | 383 |
|
|
2024
Q3 | $49.5M | Sell |
53,580
-154,782
| -74% | -$134M | 0.04% | 328 |
|
|
2024
Q2 | $171M | Sell |
208,362
-117,388
| -36% | -$84.7M | 0.14% | 154 |
|
|
2024
Q1 | $221M | Sell |
325,750
-64,286
| -16% | -$42.9M | 0.17% | 132 |
|
|
2023
Q4 | $246M | Sell |
390,036
-16,302
| -4% | -$8.52M | 0.21% | 114 |
|
|
2023
Q3 | $188M | Sell |
406,338
-1,506
| -0.4% | -$770K | 0.18% | 134 |
|
|
2023
Q2 | $220M | Sell |
407,844
-16,552
| -4% | -$7.86M | 0.2% | 122 |
|
|
2023
Q1 | $212M | Sell |
424,396
-23,444
| -5% | -$10.8M | 0.2% | 124 |
|
|
2022
Q4 | $158M | Sell |
447,840
-20,832
| -4% | -$7.48M | 0.16% | 144 |
|
|
2022
Q3 | $170M | Buy |
468,672
+437
| +0.1% | +$194K | 0.17% | 134 |
|
|
2022
Q2 | $180M | Buy |
468,235
+297
| +0.1% | +$125K | 0.17% | 131 |
|
|
2022
Q1 | $227M | Sell |
467,938
-136
| -0% | -$59.3K | 0.17% | 134 |
|
|
2021
Q4 | $231M | Sell |
468,074
-71,631
| -13% | -$37M | 0.16% | 140 |
|
|
2021
Q3 | $262M | Sell |
539,705
-5,194
| -1% | -$2.36M | 0.19% | 120 |
|
|
2021
Q2 | $203M | Sell |
544,899
-161,453
| -23% | -$56.8M | 0.14% | 156 |
|
|
2021
Q1 | $249M | Sell |
706,352
-28,111
| -4% | -$10.2M | 0.19% | 120 |
|
|
2020
Q4 | $269M | Sell |
734,463
-83,875
| -10% | -$26.9M | 0.21% | 107 |
|
|
2020
Q3 | $229M | Sell |
818,338
-2,806
| -0.3% | -$730K | 0.2% | 110 |
|
|
2020
Q2 | $195M | Sell |
821,144
-100,103
| -11% | -$20.3M | 0.18% | 118 |
|
|
2020
Q1 | $154M | Buy |
921,247
+53,346
| +6% | +$9.14M | 0.17% | 128 |
|
|
2019
Q4 | $156M | Buy |
867,901
+606
| +0.1% | +$96.8K | 0.13% | 156 |
|
|
2019
Q3 | $135M | Buy |
867,295
+581
| +0.1% | +$86.9K | 0.12% | 164 |
|
|
2019
Q2 | $118M | Sell |
866,714
-8,152
| -0.9% | -$1.11M | 0.1% | 179 |
|
|
2019
Q1 | $119M | Buy |
874,866
+88,756
| +11% | +$11.6M | 0.1% | 181 |
|
|
2018
Q4 | $91.4M | Buy |
786,110
+218,056
| +38% | +$26.1M | 0.09% | 197 |
|
|
2018
Q3 | $71.3M | Buy |
568,054
+7,501
| +1% | +$1.05M | 0.06% | 262 |
|
|
2018
Q2 | $74.9M | Sell |
560,553
-29,590
| -5% | -$3.77M | 0.06% | 248 |
|
|
2018
Q1 | $68.3M | Sell |
590,143
-27
| -0% | -$3.2K | 0.06% | 254 |
|
|
2017
Q4 | $66.3M | Buy |
590,170
+516
| +0.1% | +$59.9K | 0.06% | 270 |
|
|
2017
Q3 | $62.8M | Sell |
589,654
-106,013
| -15% | -$10.8M | 0.06% | 274 |
|
|
2017
Q2 | $67.1M | Sell |
695,667
-123,524
| -15% | -$11.8M | 0.07% | 261 |
|
|
2017
Q1 | $75.4M | Buy |
819,191
+11,034
| +1% | +$978K | 0.08% | 243 |
|
|
2016
Q4 | $66.2M | Sell |
808,157
-564
| -0.1% | -$45.3K | 0.07% | 231 |
|
|
2016
Q3 | $65.1M | Sell |
808,721
-1,286
| -0.2% | -$95K | 0.07% | 225 |
|
|
2016
Q2 | $55.3M | Buy |
810,007
+3,851
| +0.5% | +$252K | 0.07% | 253 |
|
|
2016
Q1 | $51.3M | Sell |
806,156
-11,495
| -1% | -$685K | 0.06% | 261 |
|
|
2015
Q4 | $52.1M | Sell |
817,651
-9,107
| -1% | -$565K | 0.06% | 266 |
|
|
2015
Q3 | $42.3M | Sell |
826,758
-30,534
| -4% | -$1.51M | 0.05% | 294 |
|
|
2015
Q2 | $43.5M | Sell |
857,292
-3,735
| -0.4% | -$198K | 0.05% | 323 |
|
|
2015
Q1 | $45.3M | Buy |
861,027
+1,430
| +0.2% | +$72.1K | 0.05% | 311 |
|
|
2014
Q4 | $42.8M | Sell |
859,597
-3,038
| -0.4% | -$136K | 0.05% | 319 |
|
|
2014
Q3 | $38M | Buy |
862,635
+5,692
| +0.7% | +$250K | 0.04% | 337 |
|
|
2014
Q2 | $36.3M | Buy |
856,943
+3,575
| +0.4% | +$139K | 0.04% | 345 |
|
|
2014
Q1 | $33.1M | Buy |
853,368
+161,785
| +23% | +$5.7M | 0.04% | 352 |
|
|
2013
Q4 | $24M | Buy |
691,583
+79,958
| +13% | +$2.56M | 0.03% | 406 |
|
|
2013
Q3 | $18.5M | Buy |
611,625
+167,546
| +38% | +$4.71M | 0.03% | 421 |
|
|
2013
Q2 | $10.7M | Buy |
+444,079
| New | +$10.5M | 0.02% | 466 |
|
Other funds holding MPWR
VCM
VPM
ClearBridge Investments's MPWR Position: Q1 2026 in Review
ClearBridge Investments increased its Monolithic Power Systems (MPWR) stake by 81% in Q1 2026, buying an estimated $8.2M and bringing the position to 16,717 shares worth $18.3M. The position accounts for 0.02% of the portfolio, ranked #424.
ClearBridge Investments first reported a position in MPWR in Q2 2013 and has held it in 52 quarters since. The position peaked at $269M in Q4 2020. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.
- ClearBridge Investments held 16,717 shares of Monolithic Power Systems worth $18.3M as of Q1 2026.
- ClearBridge Investments bought 7,506 Monolithic Power Systems shares in Q1 2026, an estimated $8.2M.
- Monolithic Power Systems made up 0.02% of ClearBridge Investments's portfolio in Q1 2026, its #424 holding.
- ClearBridge Investments first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 52 quarters since.
- ClearBridge Investments's Monolithic Power Systems position peaked at $269M in Q4 2020.
- 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.
Based on ClearBridge Investments's 13F filing for Q1 2026, filed 13 May 2026.