OAM
MPWR icon

Oberweis Asset Management’s Monolithic Power Systems MPWR Stock Holding History

Oberweis Asset Management’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
2024
Q4 		– Sell
-750
Closed -$693K – 224
2024
Q3 		$693K Buy
+750
New +$648K 0.04% 190
2019
Q4 		– Sell
-37,562
Closed -$5.85M – 215
2019
Q3 		$5.85M Buy
37,562
+6,872
+22% +$1.03M 1.32% 18
2019
Q2 		$4.17M Sell
30,690
-188
-0.6% -$25.6K 0.76% 31
2019
Q1 		$4.18M Sell
30,878
-6,984
-18% -$917K 0.84% 33
2018
Q4 		$4.4M Sell
37,862
-19,538
-34% -$2.34M 0.98% 28
2018
Q3 		$7.21M Sell
57,400
-5,069
-8% -$707K 1.4% 23
2018
Q2 		$8.35M Buy
62,469
+662
+1% +$84.3K 2.1% 6
2018
Q1 		$7.16M Sell
61,807
-5,562
-8% -$659K 1.88% 11
2017
Q4 		$7.57M Buy
67,369
+3,481
+5% +$404K 1.77% 13
2017
Q3 		$6.81M Sell
63,888
-854
-1% -$86.7K 1.89% 16
2017
Q2 		$6.24M Sell
64,742
-298
-0.5% -$28.4K 1.71% 16
2017
Q1 		$5.99M Buy
65,040
+38,220
+143% +$3.39M 1.77% 17
2016
Q4 		$2.2M Buy
26,820
+18,320
+216% +$1.47M 0.66% 42
2016
Q3 		$684K Buy
8,500
+1,200
+16% +$88.7K 0.2% 84
2016
Q2 		$499K Buy
7,300
+3,200
+78% +$210K 0.15% 105
2016
Q1 		$261K Buy
+4,100
New +$244K 0.08% 160

Other funds holding MPWR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Oberweis Asset Management's MPWR Position: Q4 2024 in Review

Oberweis Asset Management sold out of Monolithic Power Systems (MPWR) in Q4 2024, closing a stake of 750 shares — an estimated $693K sold.

Oberweis Asset Management first reported a position in MPWR in Q1 2016 and held it in 16 quarters. The position peaked at $8.35M in Q2 2018. 865 funds tracked by Wall St. Rank hold MPWR as of Q4 2024.

  • Oberweis Asset Management reported no remaining Monolithic Power Systems position as of Q4 2024 after selling out during the quarter.
  • Oberweis Asset Management sold 750 Monolithic Power Systems shares in Q4 2024, an estimated $693K.
  • Oberweis Asset Management first reported a position in Monolithic Power Systems in Q1 2016 and held it in 16 quarters.
  • Oberweis Asset Management's Monolithic Power Systems position peaked at $8.35M in Q2 2018.
  • 865 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q4 2024.

Based on Oberweis Asset Management's 13F filing for Q4 2024, filed 14 Feb 2025.