Question 1

Which hedge funds and institutional investors hold MMSI?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for MMSI 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 MMSI whale holdings?

Accepted Answer

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

Question 3

How current is the whale data for MMSI?

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 MMSI?

Accepted Answer

QoQ changes for MMSI 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	2.4M	$162.7M	0.0%	$2896.4B
Conestoga	2.2M	$149.4M	3.0%	$5.0B
William Blair	777.5K	$53.6M	0.2%	$30.3B
Point72	741.9K	$51.1M	0.1%	$78.1B
Maverick Capital	714.1K	$49.2M	0.6%	$8.7B
Marshall Wace	505.2K	$34.8M	0.0%	$100.4B
Balyasny	320.7K	$22.1M	0.0%	$77.1B
Renaissance Tech	314.2K	$21.7M	0.0%	$63.9B
Wellington	303.8K	$20.9M	0.0%	$535.5B
Fidelity (FMR)	249.2K	$17.2M	0.0%	$1898.4B
Geode Capital	208.2K	$14.3M	0.0%	$1607.5B
Winton	158.8K	$10.9M	0.4%	$2.9B
Adage Capital	140.0K	$9.7M	0.0%	$64.8B
DE Shaw	134.2K	$9.2M	0.0%	$166.3B
Invesco	131.0K	$9.0M	0.0%	$653.3B
Two Sigma	111.1K	$7.7M	0.0%	$123.9B
Citadel	101.0K	$7.0M	0.0%	$618.5B
American Century	85.7K	$5.9M	0.0%	$194.3B
DFA	85.0K	$5.9M	0.0%	$481.4B
Franklin Templeton	83.8K	$5.8M	0.0%	$408.3B
Brevan Howard	61.4K	$4.2M	0.0%	$11.3B
Tudor	60.7K	$4.2M	0.0%	$53.9B
Millennium	45.4K	$3.1M	0.0%	$240.3B
Man Group	8.2K	$565K	0.0%	$55.1B
Gotham Asset	6.3K	$437K	0.0%	$32.7B
Bridgewater	5.5K	$380K	0.0%	$22.4B
Northern Trust	4.1K	$282K	—	$756.6B
Farallon Capital	3.0K	$207K	0.0%	$17.5B
Neuberger Berman (Eisman)	814	$56K	—	$131.4B
AQR Capital	162	$11K	—	$218.4B
BlackRock	58	$4K	—	$5723.5B
Acadian	4.3K	$295	0.0%	$70.5M

MMSI

Who Holds MMSI

Changes This Quarter