Renaissance Technologies’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 | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-8,086
| Closed | -$7.44M | – | 3564 |
|
|
2025
Q3 | $7.44M | Buy |
+8,086
| New | +$6.56M | 0.01% | 1242 |
|
|
2024
Q3 | – | Sell |
-686
| Closed | -$564K | – | 3761 |
|
|
2024
Q2 | $564K | Sell |
686
-19,400
| -97% | -$14M | ﹤0.01% | 2641 |
|
|
2024
Q1 | $13.6M | Buy |
+20,086
| New | +$13.4M | 0.02% | 832 |
|
|
2023
Q4 | – | Sell |
-188,386
| Closed | -$87M | – | 3982 |
|
|
2023
Q3 | $87M | Buy |
188,386
+74,400
| +65% | +$38.1M | 0.15% | 143 |
|
|
2023
Q2 | $61.6M | Sell |
113,986
-80,400
| -41% | -$38.2M | 0.09% | 257 |
|
|
2023
Q1 | $97.3M | Buy |
194,386
+102,200
| +111% | +$47M | 0.13% | 180 |
|
|
2022
Q4 | $32.6M | Sell |
92,186
-331,155
| -78% | -$119M | 0.04% | 491 |
|
|
2022
Q3 | $154M | Buy |
423,341
+327,755
| +343% | +$146M | 0.22% | 97 |
|
|
2022
Q2 | $36.7M | Sell |
95,586
-57,940
| -38% | -$24.5M | 0.04% | 457 |
|
|
2022
Q1 | $74.6M | Sell |
153,526
-27,660
| -15% | -$12.1M | 0.09% | 250 |
|
|
2021
Q4 | $89.4M | Buy |
181,186
+100,879
| +126% | +$52.1M | 0.11% | 196 |
|
|
2021
Q3 | $38.9M | Sell |
80,307
-22,479
| -22% | -$10.2M | 0.05% | 390 |
|
|
2021
Q2 | $38.4M | Buy |
+102,786
| New | +$36.2M | 0.05% | 424 |
|
|
2020
Q4 | – | Sell |
-164,286
| Closed | -$45.9M | – | 3596 |
|
|
2020
Q3 | $45.9M | Buy |
164,286
+47,500
| +41% | +$12.4M | 0.05% | 411 |
|
|
2020
Q2 | $27.7M | Buy |
116,786
+90,300
| +341% | +$18.3M | 0.02% | 649 |
|
|
2020
Q1 | $4.43M | Buy |
+26,486
| New | +$4.54M | ﹤0.01% | 1642 |
|
|
2019
Q4 | – | Sell |
-3,586
| Closed | -$558K | – | 3653 |
|
|
2019
Q3 | $558K | Sell |
3,586
-65,500
| -95% | -$9.79M | ﹤0.01% | 2832 |
|
|
2019
Q2 | $9.38M | Buy |
+69,086
| New | +$9.4M | 0.01% | 1456 |
|
|
2019
Q1 | – | Sell |
-17,642
| Closed | -$2.05M | – | 3601 |
|
|
2018
Q4 | $2.05M | Buy |
+17,642
| New | +$2.11M | ﹤0.01% | 2213 |
|
|
2018
Q2 | – | Sell |
-3,586
| Closed | -$415K | – | 3431 |
|
|
2018
Q1 | $415K | Buy |
+3,586
| New | +$425K | ﹤0.01% | 2971 |
|
|
2017
Q3 | – | Sell |
-4,000
| Closed | -$386K | – | 3302 |
|
|
2017
Q2 | $386K | Sell |
4,000
-300
| -7% | -$28.6K | ﹤0.01% | 2835 |
|
|
2017
Q1 | $396K | Sell |
4,300
-52,800
| -92% | -$4.68M | ﹤0.01% | 2838 |
|
|
2016
Q4 | $4.68M | Sell |
57,100
-114,200
| -67% | -$9.17M | 0.01% | 1714 |
|
|
2016
Q3 | $13.8M | Sell |
171,300
-177,586
| -51% | -$13.1M | 0.02% | 951 |
|
|
2016
Q2 | $23.8M | Sell |
348,886
-344,400
| -50% | -$22.6M | 0.05% | 584 |
|
|
2016
Q1 | $44.1M | Buy |
693,286
+252,200
| +57% | +$15M | 0.08% | 276 |
|
|
2015
Q4 | $28.1M | Sell |
441,086
-8,314
| -2% | -$516K | 0.06% | 381 |
|
|
2015
Q3 | $23M | Sell |
449,400
-3,100
| -0.7% | -$154K | 0.05% | 435 |
|
|
2015
Q2 | $22.9M | Buy |
452,500
+2,514
| +0.6% | +$133K | 0.05% | 456 |
|
|
2015
Q1 | $23.7M | Buy |
449,986
+16,900
| +4% | +$852K | 0.05% | 503 |
|
|
2014
Q4 | $21.5M | Buy |
433,086
+30,100
| +7% | +$1.35M | 0.05% | 465 |
|
|
2014
Q3 | $17.8M | Sell |
402,986
-75,300
| -16% | -$3.31M | 0.05% | 484 |
|
|
2014
Q2 | $20.3M | Sell |
478,286
-43,200
| -8% | -$1.67M | 0.05% | 470 |
|
|
2014
Q1 | $20.2M | Buy |
521,486
+296,600
| +132% | +$10.5M | 0.05% | 478 |
|
|
2013
Q4 | $7.79M | Buy |
224,886
+200,586
| +825% | +$6.41M | 0.02% | 926 |
|
|
2013
Q3 | $736K | Sell |
24,300
-3,700
| -13% | -$104K | ﹤0.01% | 2146 |
|
|
2013
Q2 | $675K | Buy |
+28,000
| New | +$665K | ﹤0.01% | 2107 |
|
Other funds holding MPWR
Renaissance Technologies's MPWR Position: Q4 2025 in Review
Renaissance Technologies sold out of Monolithic Power Systems (MPWR) in Q4 2025, closing a stake of 8,086 shares — an estimated $7.44M sold.
Renaissance Technologies first reported a position in MPWR in Q2 2013 and held it in 37 quarters. The position peaked at $154M in Q3 2022. 1,059 funds tracked by Wall St. Rank hold MPWR as of Q4 2025.
- Renaissance Technologies reported no remaining Monolithic Power Systems position as of Q4 2025 after selling out during the quarter.
- Renaissance Technologies sold 8,086 Monolithic Power Systems shares in Q4 2025, an estimated $7.44M.
- Renaissance Technologies first reported a position in Monolithic Power Systems in Q2 2013 and held it in 37 quarters.
- Renaissance Technologies's Monolithic Power Systems position peaked at $154M in Q3 2022.
- 1,059 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q4 2025.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.