Janney Montgomery Scott
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Janney Montgomery Scott’s Monolithic Power Systems MPWR Stock Holding History

Janney Montgomery Scott’s Portfolio MPWR Stock Details MPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$7.28M Buy
5,262
+6
+0.1% +$9.01K 0.01% 802
2026
Q1 		$5.75M Buy
5,256
+331
+7% +$362K 0.01% 788
2025
Q4 		$4.46M Sell
4,925
-15,558
-76% -$15M 0.01% 948
2025
Q3 		$18.9M Sell
20,483
-1,863
-8% -$1.51M 0.04% 374
2025
Q2 		$16.3M Sell
22,346
-761
-3% -$485K 0.04% 395
2025
Q1 		$13.4M Sell
23,107
-655
-3% -$413K 0.04% 438
2024
Q4 		$14.1M Sell
23,762
-1,230
-5% -$891K 0.04% 437
2024
Q3 		$23.1M Sell
24,992
-653
-3% -$564K 0.06% 298
2024
Q2 		$21.1M Sell
25,645
-571
-2% -$412K 0.06% 309
2024
Q1 		$17.8M Buy
26,216
+27
+0.1% +$18K 0.05% 361
2023
Q4 		$16.5M Buy
26,189
+22,337
+580% +$11.7M 0.05% 353
2023
Q3 		$1.78M Buy
3,852
+210
+6% +$107K 0.01% 1066
2023
Q2 		$1.97M Sell
3,642
-963
-21% -$457K 0.01% 1080
2023
Q1 		$2.31M Sell
4,605
-18,773
-80% -$8.63M 0.01% 923
2022
Q4 		$8.27M Buy
23,378
+2,151
+10% +$773K 0.03% 498
2022
Q3 		$7.71M Buy
21,227
+159
+0.8% +$70.7K 0.03% 467
2022
Q2 		$8.16M Buy
21,068
+1,024
+5% +$433K 0.04% 428
2022
Q1 		$9.73M Buy
20,044
+1,665
+9% +$726K 0.04% 389
2021
Q4 		$9.07M Buy
18,379
+15,604
+562% +$8.05M 0.04% 428
2021
Q3 		$1.34M Sell
2,775
-927
-25% -$422K 0.01% 1141
2021
Q2 		$1.38M Buy
3,702
+222
+6% +$78.1K 0.01% 1116
2021
Q1 		$1.23M Buy
3,480
+109
+3% +$39.7K 0.01% 1098
2020
Q4 		$1.24M Sell
3,371
-455
-12% -$146K 0.01% 1073
2020
Q3 		$1.07M Sell
3,826
-177
-4% -$46.1K 0.01% 1072
2020
Q2 		$949K Sell
4,003
-506
-11% -$102K 0.01% 1060
2020
Q1 		$755K Buy
+4,509
New +$773K 0.01% 1050
2015
Q2 		– Sell
-9,880
Closed -$520K – 2108
2015
Q1 		$520K Buy
+9,880
New +$498K 0.01% 1344

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Janney Montgomery Scott's MPWR Position: Q2 2026 in Review

Janney Montgomery Scott increased its Monolithic Power Systems (MPWR) stake by 0.11% in Q2 2026, buying an estimated $9.01K and bringing the position to 5,262 shares worth $7.28M. The position accounts for 0.01% of the portfolio, ranked #802.

Janney Montgomery Scott first reported a position in MPWR in Q1 2015 and has held it in 27 quarters since. The position peaked at $23.1M in Q3 2024. 1,245 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Janney Montgomery Scott held 5,262 shares of Monolithic Power Systems worth $7.28M as of Q2 2026.
  • Janney Montgomery Scott bought 6 Monolithic Power Systems shares in Q2 2026, an estimated $9.01K.
  • Monolithic Power Systems made up 0.01% of Janney Montgomery Scott's portfolio in Q2 2026, its #802 holding.
  • Janney Montgomery Scott first reported a position in Monolithic Power Systems in Q1 2015 and has held it in 27 quarters since.
  • Janney Montgomery Scott's Monolithic Power Systems position peaked at $23.1M in Q3 2024.
  • 1,245 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Janney Montgomery Scott's 13F filing for Q2 2026, filed 5 Aug 2026.