Barclays
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Barclays’s Monolithic Power Systems MPWR Stock Holding History

Barclays’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 		$943K Buy
+700
New +$917K ﹤0.01% 3091
2019
Q3 		– Sell
-400
Closed -$54K – 6972
2019
Q2 		$54K Hold
400
– – ﹤0.01% 6055
2019
Q1 		$54K Buy
+400
New +$52.5K ﹤0.01% 5819

Other funds holding MPWR

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Natixis
Natixis Paris, France $28B AUM 27.03% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $194B AUM 32.2% 1-Year Est. Return
WAM
WT Asset Management Hong Kong $6.18B AUM 432.25% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Barclays's MPWR Position: Q3 2026 in Review

Barclays reduced its Monolithic Power Systems (MPWR) stake by 16% in Q3 2026, selling an estimated $98.2M and leaving 399,179 shares worth $538M. The position accounts for 0.11% of the portfolio, ranked #115.

Barclays first reported a position in MPWR in Q2 2013 and has held it in 53 quarters since. The position peaked at $655M in Q2 2026. 641 funds tracked by Wall St. Rank hold MPWR as of Q3 2026.

  • Barclays held 399,179 shares of Monolithic Power Systems worth $538M as of Q3 2026.
  • Barclays sold 74,953 Monolithic Power Systems shares in Q3 2026, an estimated $98.2M.
  • Monolithic Power Systems made up 0.11% of Barclays's portfolio in Q3 2026, its #115 holding.
  • Barclays first reported a position in Monolithic Power Systems in Q2 2013 and has held it in 53 quarters since.
  • Barclays's Monolithic Power Systems position peaked at $655M in Q2 2026.
  • 641 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2026.

Based on Barclays's 13F filing for Q3 2026, filed 6 Nov 2026.