Question 1

Which hedge funds and institutional investors hold MTRX?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for MTRX?

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 MTRX?

Accepted Answer

QoQ changes for MTRX 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
American Century	981.6K	$11.3M	0.0%	$194.3B
First Eagle	850.4K	$9.8M	0.0%	$59.0B
Two Sigma	637.7K	$7.3M	0.0%	$123.9B
State Street	545.5K	$6.3M	0.0%	$2896.4B
Millennium	476.4K	$5.5M	0.0%	$240.3B
Marshall Wace	290.5K	$3.3M	0.0%	$100.4B
Renaissance Tech	255.8K	$2.9M	0.0%	$63.9B
Arrowstreet	143.8K	$1.7M	0.0%	$184.8B
Geode Capital	99.4K	$1.1M	0.0%	$1607.5B
Citadel	86.2K	$989K	0.0%	$618.5B
DE Shaw	69.5K	$798K	0.0%	$166.3B
ExodusPoint	63.7K	$731K	0.0%	$12.4B
Winton	43.0K	$494K	0.0%	$2.9B
Man Group	38.8K	$446K	0.0%	$55.1B
BlackRock	37.9K	$435K	—	$5723.5B
Brevan Howard	30.1K	$345K	0.0%	$11.3B
DFA	25.4K	$292K	0.0%	$481.4B
Point72	22.3K	$256K	0.0%	$78.1B
Citadel	10.9K	$125K	—	$618.5B
Northern Trust	966	$11K	—	$756.6B
Fidelity (FMR)	708	$8K	—	$1898.4B
Acadian	476.1K	$5K	0.0%	$70.5M
AQR Capital	4	$46	—	$218.4B

MTRX

Who Holds MTRX

Changes This Quarter