MDXHMDXHEALTH SA

SHS NEW · CUSIP B5950S113

Smart Money Ownership

Of the 4 tracked institutions holding MDXH, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +5.7pt. It's a gauge of who owns the name, not just how many.

Jim Simons

Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →

MDXH (MDXHEALTH SA) Institutional Ownership Summary

Among the 4 tracked institutional investors we monitor, MDXH (MDXHEALTH SA) is held with a combined value of $496.96K across 1,210,331 shares. The largest holder is CITADEL ADVISORS LLC with a position worth $209.27K. 3 funds increased their holdings. 1 fund reduced its position.

Total Institutional Value

$496.96K

Total Shares Held

1,210,331

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

CITADEL ADVISORS LLC+755% shares~$184.8K BlackRock, Inc.+41% shares~$17.6K RENAISSANCE TECHNOLOGIES LLC+7% shares~$8.4K

Biggest Sellers

MILLENNIUM MANAGEMENT LLC−58% shares~$130.1K

13F Institutional Holders

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CITADEL ADVISORS LLC

0.00% of book+754.7%

$209.27K

RENAISSANCE TECHNOLOGIES LLC

0.00% of book+6.7%

$133.48K

MILLENNIUM MANAGEMENT LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	CITADEL ADVISORS LLC	$209.27K	509,674	0.00%	+754.7%
2	RENAISSANCE TECHNOLOGIES LLC	$133.48K	325,084	0.00%	+6.7%
3	MILLENNIUM MANAGEMENT LLC	$93.83K	228,510	0.00%	-58.1%
4	BlackRock, Inc.	$60.38K	147,063	0.00%	+41.0%

Activist & Large Holders (13D/13G)

Investor	Ownership	Type	Filed
Bleichroeder LP	32.0%	13D/A	2026-10-15
LYTTON LAURENCE W	19.5%

Frequently Asked Questions

Which institutional investors own the most MDXH stock?

As of the latest SEC 13F filings, CITADEL ADVISORS LLC is the largest institutional holder of MDXH with a position worth $209.27K, representing 0.00% of their portfolio. In total, 4 institutional investors hold MDXH with a combined value of $496.96K.

What percentage of MDXH is owned by institutional investors?

Institutional investors hold $496.96K worth of MDXH stock across 4 positions. The largest institutional holder is CITADEL ADVISORS LLC with $209.27K in holdings.

What is a 13F filing and why does it matter for MDXH?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MDXH, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track MDXH institutional moves

Get notified when hedge funds change their MDXH positions.