Citigroup’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
$373M Buy
340,832
+95,353
+39% +$104M 0.16% 122
2025
Q4
$222M Buy
245,479
+67,296
+38% +$64.8M 0.1% 182
2025
Q3
$164M Sell
178,183
-100,746
-36% -$81.7M 0.07% 261
2025
Q2
$204M Buy
278,929
+5,948
+2% +$3.79M 0.1% 194
2025
Q1
$158M Sell
272,981
-74,199
-21% -$46.8M 0.08% 226
2024
Q4
$205M Buy
347,180
+29,692
+9% +$21.5M 0.12% 153
2024
Q3
$294M Sell
317,488
-12,344
-4% -$10.7M 0.17% 107
2024
Q2
$271M Buy
329,832
+81,516
+33% +$58.8M 0.17% 114
2024
Q1
$168M Buy
248,316
+130,952
+112% +$87.4M 0.11% 171
2023
Q4
$74M Sell
117,364
-27,245
-19% -$14.2M 0.05% 320
2023
Q3
$66.8M Sell
144,609
-38,415
-21% -$19.6M 0.05% 327
2023
Q2
$98.9M Buy
183,024
+86,480
+90% +$41.1M 0.06% 234
2023
Q1
$48.3M Buy
96,544
+12,536
+15% +$5.76M 0.03% 416
2022
Q4
$29.7M Sell
84,008
-20,971
-20% -$7.53M 0.02% 606
2022
Q3
$38.1M Sell
104,979
-28,827
-22% -$12.8M 0.03% 473
2022
Q2
$51.4M Sell
133,806
-31,289
-19% -$13.2M 0.04% 375
2022
Q1
$80.2M Buy
165,095
+16,517
+11% +$7.2M 0.05% 335
2021
Q4
$73.3M Sell
148,578
-4,653
-3% -$2.4M 0.04% 414
2021
Q3
$74.3M Buy
153,231
+31,277
+26% +$14.2M 0.04% 379
2021
Q2
$45.5M Sell
121,954
-8,045
-6% -$2.83M 0.03% 566
2021
Q1
$45.9M Buy
129,999
+82,212
+172% +$29.9M 0.03% 527
2020
Q4
$17.5M Sell
47,787
-20,390
-30% -$6.53M 0.01% 1131
2020
Q3
$19.1M Buy
68,177
+5,853
+9% +$1.52M 0.01% 926
2020
Q2
$14.8M Buy
62,324
+35,644
+134% +$7.22M 0.01% 1033
2020
Q1
$4.47M Sell
26,680
-6,758
-20% -$1.16M ﹤0.01% 1777
2019
Q4
$5.95M Buy
33,438
+12,945
+63% +$2.07M ﹤0.01% 1893
2019
Q3
$3.19M Sell
20,493
-8,806
-30% -$1.32M ﹤0.01% 2360
2019
Q2
$3.98M Buy
29,299
+17,252
+143% +$2.35M ﹤0.01% 2171
2019
Q1
$1.63M Sell
12,047
-14,405
-54% -$1.89M ﹤0.01% 2883
2018
Q4
$3.08M Buy
26,452
+3,050
+13% +$365K ﹤0.01% 2279
2018
Q3
$2.94M Buy
23,402
+17,235
+279% +$2.4M ﹤0.01% 2361
2018
Q2
$825K Sell
6,167
-11,051
-64% -$1.41M ﹤0.01% 3565
2018
Q1
$1.99M Buy
17,218
+12,371
+255% +$1.47M ﹤0.01% 2601
2017
Q4
$545K Sell
4,847
-2,153
-31% -$250K ﹤0.01% 4009
2017
Q3
$746K Buy
7,000
+1,932
+38% +$196K ﹤0.01% 3675
2017
Q2
$488K Sell
5,068
-5,698
-53% -$543K ﹤0.01% 4015
2017
Q1
$992K Sell
10,766
-40,860
-79% -$3.62M ﹤0.01% 3219
2016
Q4
$4.23M Buy
51,626
+51,559
+76,954% +$4.14M ﹤0.01% 2026
2016
Q3
$5K Sell
67
-18,870
-100% -$1.39M ﹤0.01% 6773
2016
Q2
$1.29M Sell
18,937
-16,234
-46% -$1.06M ﹤0.01% 2708
2016
Q1
$2.24M Buy
35,171
+23,140
+192% +$1.38M ﹤0.01% 2361
2015
Q4
$767K Buy
12,031
+4,523
+60% +$281K ﹤0.01% 3422
2015
Q3
$384K Buy
7,508
+6,603
+730% +$327K ﹤0.01% 3995
2015
Q2
$46K Sell
905
-3,937
-81% -$208K ﹤0.01% 5598
2015
Q1
$255K Sell
4,842
-10,572
-69% -$533K ﹤0.01% 4301
2014
Q4
$767K Buy
15,414
+12,412
+413% +$557K ﹤0.01% 3421
2014
Q3
$132K Sell
3,002
-7,033
-70% -$309K ﹤0.01% 4530
2014
Q2
$425K Buy
10,035
+1,207
+14% +$46.8K ﹤0.01% 3571
2014
Q1
$343K Sell
8,828
-3,660
-29% -$129K ﹤0.01% 3838
2013
Q4
$433K Buy
12,488
+12,300
+6,543% +$393K ﹤0.01% 3935
2013
Q3
$6K Sell
188
-23
-11% -$646 ﹤0.01% 6364
2013
Q2
$5K Buy
+211
New +$5.01K ﹤0.01% 6307

Other funds holding MPWR

Citigroup's MPWR Position: Q1 2026 in Review

Citigroup increased its Monolithic Power Systems (MPWR) stake by 39% in Q1 2026, buying an estimated $104M and bringing the position to 340,832 shares worth $373M. The position accounts for 0.16% of the portfolio, ranked #122.

Citigroup first reported a position in MPWR in Q2 2013 and has held it in 52 quarters since. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Citigroup held 340,832 shares of Monolithic Power Systems worth $373M as of Q1 2026.
  • Citigroup bought 95,353 Monolithic Power Systems shares in Q1 2026, an estimated $104M.
  • Monolithic Power Systems made up 0.16% of Citigroup's portfolio in Q1 2026, its #122 holding.
  • Citigroup first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 52 quarters since.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.