James T. Borello
MPWR icon

James T. Borello’s Monolithic Power Systems MPWR Stock Holding History

James T. Borello’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 		$14.8K Hold
11
– – ﹤0.01% 499
2026
Q2 		$15.2K Sell
11
-1
-8% -$1.5K ﹤0.01% 486
2026
Q1 		$13.1K Buy
12
+1
+9% +$1.09K ﹤0.01% 478
2025
Q4 		$10K Buy
11
+5
+83% +$4.81K ﹤0.01% 413
2025
Q3 		$5.52K Buy
+6
New +$4.86K ﹤0.01% 429

Other funds holding MPWR

WAM
WT Asset Management Hong Kong $6.18B AUM 432.25% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $57B AUM 43.56% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Robeco Schweiz
Robeco Schweiz Zurich, Switzerland $5.55B AUM 53.94% 1-Year Est. Return
Zevenbergen Capital Investments
Zevenbergen Capital Investments Edmonds, Washington $4.37B AUM 52.9% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return
ProShare Advisors
ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return
STRS Ohio
STRS Ohio Columbus, Ohio $27.1B AUM 34.64% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $87.8B AUM 20.94% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

James T. Borello's MPWR Position: Q3 2026 in Review

James T. Borello held its Monolithic Power Systems (MPWR) position steady in Q3 2026 at 11 shares worth $14.8K. The position accounts for ﹤0.01% of the portfolio, ranked #499.

James T. Borello first reported a position in MPWR in Q3 2025 and has held it in 5 quarters since. The position peaked at $15.2K in Q2 2026. 453 funds tracked by Wall St. Rank hold MPWR as of Q3 2026.

  • James T. Borello held 11 shares of Monolithic Power Systems worth $14.8K as of Q3 2026.
  • James T. Borello left its Monolithic Power Systems share count unchanged in Q3 2026.
  • Monolithic Power Systems made up ﹤0.01% of James T. Borello's portfolio in Q3 2026, its #499 holding.
  • James T. Borello first reported a position in Monolithic Power Systems in Q3 2025 and has held it in 5 quarters since.
  • James T. Borello's Monolithic Power Systems position peaked at $15.2K in Q2 2026.
  • 453 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2026.

Based on James T. Borello's 13F filing for Q3 2026, filed 16 Oct 2026.