Question 1

Which hedge funds and institutional investors hold MDXG?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for MDXG?

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 MDXG?

Accepted Answer

QoQ changes for MDXG 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	5.1M	$20.0M	0.0%	$2896.4B
Renaissance Tech	3.0M	$11.9M	0.0%	$63.9B
Marshall Wace	1.8M	$7.2M	0.0%	$100.4B
Arrowstreet	775.8K	$3.1M	0.0%	$184.8B
Citadel	463.5K	$1.8M	0.0%	$618.5B
Geode Capital	411.7K	$1.6M	0.0%	$1607.5B
American Century	382.8K	$1.5M	0.0%	$194.3B
Man Group	369.5K	$1.5M	0.0%	$55.1B
DE Shaw	312.7K	$1.2M	0.0%	$166.3B
Two Sigma	267.3K	$1.1M	0.0%	$123.9B
Fisher Investments	246.6K	$974K	0.0%	$294.9B
Wellington	217.2K	$858K	0.0%	$535.5B
Point72	214.6K	$848K	0.0%	$78.1B
BlackRock	207.9K	$821K	—	$5723.5B
Millennium	200.5K	$792K	0.0%	$240.3B
DFA	164.1K	$648K	0.0%	$481.4B
Tudor	64.2K	$254K	0.0%	$53.9B
Brevan Howard	55.4K	$219K	0.0%	$11.3B
Citadel	35.9K	$142K	—	$618.5B
Northern Trust	9.9K	$39K	—	$756.6B
Franklin Templeton	523	$2K	—	$408.3B
Fidelity (FMR)	246	$972	—	$1898.4B
Acadian	93.7K	$368	0.0%	$70.5M
AQR Capital	69	$273	—	$218.4B
LSV	53.1K	$210	0.0%	$46.4M

MDXG

Who Holds MDXG

Changes This Quarter