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Which hedge funds own MPWR? MONOLITHIC PWR SYS INC, Q2 2026 13F holders

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13 of the hedge funds tracked by WhaleCreep disclosed a position in MPWR (MONOLITHIC PWR SYS INC) in their Q2 2026 13F filings, worth $530.4m in total. The largest holder by portfolio weight is D1 Capital Partners at 0.3% of its book. 6 managers opened a new position this quarter: D1 Capital Partners, Moore Capital Management, Millennium Management, Renaissance Technologies LLC. 1 exited: Holocene Advisors.

13tracked managers holding
6opened this quarter
1exited this quarter

Which hedge funds hold MPWR? Current holders by portfolio weight

ManagerAs ofWeight of bookValueSharesΔ sharesAction
D1 Capital PartnersQ2 2026 0.3%$117.6m85,103 new
Moore Capital ManagementQ2 2026 0.2%$8.6m6,250 new
Millennium ManagementQ2 2026 0.1%$189.2m136,835 new
Renaissance Technologies LLCQ2 2026 0.1%$87.2m63,066 new
Brevan Howard Capital ManagementQ2 2026 0.1%$8.0m5,778 1594% added
Woodline PartnersQ2 2026 0.1%$20.2m14,587 680% added
Citadel AdvisorsQ2 2026 0.1%$87.8m63,487 370% added
Bridgewater AssociatesQ2 2026 0.0%$4.3m3,096 -74% reduced
Maverick CapitalQ2 2026 0.0%$819.7k593 new
D. E. Shaw & CoQ2 2026 0.0%$4.2m3,035 149% added
Marshall WaceQ2 2026 0.0%$2.6m1,849 -73% reduced
Ancora AdvisorsQ2 2026 0.0%$19.4k14 -59% reduced
Baillie GiffordQ2 2026 0.0%$6.9k5 new

Exited since the previous quarter

ManagerPrior weightPrior value
Holocene Advisors0.0%$2.5m

How has hedge fund ownership of MPWR changed?

QuarterManagers holdingCombined value
Q2 202613$530.4m
Q1 20268$41.5m
Q4 20254$20.5m
Q3 20254$66.4m
Q2 20253$20.9m
Q1 20255$126.4m
Q4 20243$13.3m
Q3 20243$248.0m
Q2 20243$83.2m
Q1 20243$17.2m
Q4 20235$66.4m
Q3 20236$134.0m
Q2 20234$134.0m
Q1 20239$336.4m
Q4 20229$242.3m
Q3 20228$405.1m

Counts every tracked manager that disclosed MPWR in that quarter's filing, including managers that have since stopped filing.