Question 1

Which hedge funds and institutional investors hold MPWR?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for MPWR shows which major funds hold positions, their portfolio weight, share counts, and how those positions changed quarter over quarter.

Question 2

What does conviction level mean for MPWR whale holdings?

Accepted Answer

Conviction level reflects how significant MPWR is within a fund's overall portfolio. A high-conviction position means the manager has allocated a large percentage of their portfolio to MPWR, suggesting strong directional confidence in the stock.

Question 3

How current is the whale data for MPWR?

Accepted Answer

Institutional 13F filings are required within 45 days of each calendar quarter end (March 31, June 30, September 30, December 31). StonkWhisper processes filings as they are published on SEC EDGAR, so data reflects the most recently reported quarter.

Question 4

What do quarter-over-quarter changes tell me about MPWR?

Accepted Answer

QoQ changes for MPWR show whether institutional managers are increasing, decreasing, initiating, or exiting their positions. New positions and significant increases can signal growing institutional conviction, while exits or decreases may indicate waning confidence.

Manager	Shares	Value	% of Portfolio	Manager AUM
State Street	2.2M	$2.4B	0.1%	$2896.4B
Invesco	1.0M	$1.1B	0.3%	$370.7B
American Century	199.7K	$218.3M	0.1%	$194.3B
Fidelity (FMR)	156.0K	$170.6M	0.0%	$1898.4B
Geode Capital	151.1K	$165.2M	0.0%	$1607.5B
Artisan Partners	150.9K	$165.0M	0.3%	$62.3B
Kayne Anderson	129.2K	$141.2M	0.4%	$34.0B
Robeco	95.0K	$103.9M	2.2%	$4.7B
Adage Capital	73.7K	$80.5M	0.1%	$64.8B
Citadel	49.6K	$54.2M	0.0%	$618.5B
Jennison	49.4K	$54.0M	0.0%	$145.4B
Citadel	36.7K	$40.1M	0.0%	$618.5B
Segall Bryant	26.1K	$28.5M	0.4%	$7.0B
DE Shaw	25.0K	$27.3M	0.0%	$166.3B
Gotham Asset	22.5K	$24.6M	0.1%	$32.7B
Wellington	18.9K	$20.6M	0.0%	$535.5B
ClearBridge	16.7K	$18.3M	0.0%	$114.9B
Citadel	13.5K	$14.8M	0.0%	$618.5B
Two Sigma	12.0K	$13.1M	0.0%	$123.9B
Bridgewater	11.9K	$13.1M	0.1%	$22.4B
Millennium	10.9K	$11.9M	0.0%	$240.3B
Marshall Wace	6.7K	$7.4M	0.0%	$100.4B
Two Sigma	6.0K	$6.6M	0.0%	$123.9B
DFA	5.1K	$5.6M	0.0%	$481.4B
Two Sigma	3.2K	$3.5M	0.0%	$123.9B
Neuberger Berman (Eisman)	3.1K	$3.4M	0.0%	$131.4B
Man Group	2.2K	$2.4M	0.0%	$55.1B
Millennium	2.0K	$2.2M	0.0%	$240.3B
Winton	1.5K	$1.7M	0.1%	$2.9B
GMO	1.5K	$1.7M	0.0%	$39.1B
Point72	1.5K	$1.6M	0.0%	$78.1B
DE Shaw	1.2K	$1.3M	0.0%	$166.3B
Balyasny	795	$869K	0.0%	$77.1B
Brevan Howard	341	$373K	0.0%	$11.3B
BlackRock	321	$351K	—	$5723.5B
Balyasny	300	$328K	0.0%	$77.1B
Point72	300	$328K	0.0%	$78.1B
Fisher Investments	212	$232K	0.0%	$294.9B
Tudor	200	$219K	0.0%	$53.9B
Franklin Templeton	28	$31K	—	$408.3B
Northern Trust	22	$24K	—	$756.6B
AQR Capital	16	$17K	—	$218.4B
Acadian	1.5K	$2K	0.0%	$70.5M

MPWR

Who Holds MPWR

Changes This Quarter