Jefferies Financial Group
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Jefferies Financial Group’s Monolithic Power Systems MPWR Stock Holding History

Jefferies Financial Group’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
Q3 		– Sell
-1,375
Closed -$1.9M – 1628
2026
Q2 		$1.9M Buy
1,375
+512
+59% +$769K 0.01% 709
2026
Q1 		$944K Sell
863
-218
-20% -$238K 0.01% 949
2025
Q4 		$980K Sell
1,081
-1,165
-52% -$1.12M 0.01% 1094
2025
Q3 		$2.07M Buy
+2,246
New +$1.82M 0.01% 633
2025
Q1 		– Sell
-702
Closed -$415K – 1862
2024
Q4 		$415K Sell
702
-74
-10% -$53.6K ﹤0.01% 1167
2024
Q3 		$717K Sell
776
-3,072
-80% -$2.65M 0.01% 879
2024
Q2 		$3.16M Buy
3,848
+2,221
+137% +$1.6M 0.03% 417
2024
Q1 		$1.1M Buy
+1,627
New +$1.09M 0.01% 785
2023
Q3 		– Sell
-29,297
Closed -$15.8M – 1837
2023
Q2 		$15.8M Buy
29,297
+25,297
+632% +$12M 0.14% 129
2023
Q1 		$2M Buy
+4,000
New +$1.84M 0.02% 662

Other funds holding MPWR

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $165B AUM 72.14% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return

Jefferies Financial Group's MPWR Position: Q3 2026 in Review

Jefferies Financial Group sold out of Monolithic Power Systems (MPWR) in Q3 2026, closing a stake of 1,375 shares — an estimated $1.9M sold.

Jefferies Financial Group first reported a position in MPWR in Q1 2023 and held it in 10 quarters. The position peaked at $15.8M in Q2 2023. 1,045 funds tracked by Wall St. Rank hold MPWR as of Q3 2026.

  • Jefferies Financial Group reported no remaining Monolithic Power Systems position as of Q3 2026 after selling out during the quarter.
  • Jefferies Financial Group sold 1,375 Monolithic Power Systems shares in Q3 2026, an estimated $1.9M.
  • Jefferies Financial Group first reported a position in Monolithic Power Systems in Q1 2023 and held it in 10 quarters.
  • Jefferies Financial Group's Monolithic Power Systems position peaked at $15.8M in Q2 2023.
  • 1,045 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2026.

Based on Jefferies Financial Group's 13F filing for Q3 2026, filed 5 Nov 2026.