Hudson Bay Capital Management
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Hudson Bay Capital Management’s Monolithic Power Systems MPWR Stock Holding History

Hudson Bay Capital 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
2025
Q2 		– Sell
-2,500
Closed -$1.45M – 1562
2025
Q1 		$1.45M Buy
+2,500
New +$1.58M ﹤0.01% 869
2017
Q2 		– Sell
-50,000
Closed -$4.61M – 692
2017
Q1 		$4.61M Buy
+50,000
New +$4.43M 0.06% 284

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Invesco
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State Street
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Geode Capital Management
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T. Rowe Price Associates
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Franklin Resources
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Goldman Sachs
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Hudson Bay Capital Management's MPWR Position: Q2 2026 in Review

Hudson Bay Capital Management opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 1,980 shares worth $2.74M. The stake represents 0.01% of the portfolio and ranks #734 among its holdings. This is a return to the name: Hudson Bay Capital Management previously reported a position in MPWR as recently as Q3 2025.

Hudson Bay Capital Management first reported a position in MPWR in Q1 2017 and has held it in 4 quarters since. The position peaked at $3.07M in Q3 2025. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Hudson Bay Capital Management held 1,980 shares of Monolithic Power Systems worth $2.74M as of Q2 2026.
  • Monolithic Power Systems was a new Hudson Bay Capital Management position in Q2 2026.
  • Monolithic Power Systems made up 0.01% of Hudson Bay Capital Management's portfolio in Q2 2026, its #734 holding.
  • Hudson Bay Capital Management first reported a position in Monolithic Power Systems in Q1 2017 and has held it in 4 quarters since.
  • Hudson Bay Capital Management's Monolithic Power Systems position peaked at $3.07M in Q3 2025.
  • 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.