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TFB Advisors’s Monolithic Power Systems MPWR Stock Holding History

TFB Advisors’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
Q1 		$483K Sell
442
-50
-10% -$54.6K 0.25% 86
2025
Q4 		$446K Sell
492
-14
-3% -$13.5K 0.12% 178
2025
Q3 		$490K Sell
506
-22
-4% -$17.8K 0.14% 161
2025
Q2 		$386K Sell
528
-37
-7% -$23.6K 0.1% 219
2025
Q1 		$328K Buy
565
+65
+13% +$41K 0.09% 234
2024
Q4 		$296K Sell
500
-125
-20% -$90.5K 0.08% 246
2024
Q3 		$578K Buy
625
+38
+6% +$32.8K 0.17% 132
2024
Q2 		$482K Buy
587
+62
+12% +$44.7K 0.16% 144
2024
Q1 		$343K Buy
+525
New +$350K 0.12% 181

Other funds holding MPWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

TFB Advisors's MPWR Position: Q1 2026 in Review

TFB Advisors reduced its Monolithic Power Systems (MPWR) stake by 10% in Q1 2026, selling an estimated $54.6K and leaving 442 shares worth $483K. The position accounts for 0.25% of the portfolio, ranked #86.

TFB Advisors first reported a position in MPWR in Q1 2024 and has held it in 9 quarters since. The position peaked at $578K in Q3 2024. 1,115 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • TFB Advisors held 442 shares of Monolithic Power Systems worth $483K as of Q1 2026.
  • TFB Advisors sold 50 Monolithic Power Systems shares in Q1 2026, an estimated $54.6K.
  • Monolithic Power Systems made up 0.25% of TFB Advisors's portfolio in Q1 2026, its #86 holding.
  • TFB Advisors first reported a position in Monolithic Power Systems in Q1 2024 and has held it in 9 quarters since.
  • TFB Advisors's Monolithic Power Systems position peaked at $578K in Q3 2024.
  • 1,115 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on TFB Advisors's 13F filing for Q1 2026, filed 20 Apr 2026.