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Security record · archived quarter

MDXH

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
12Tracked holders
-12Δ holders
2.12MShares held
$869,537Reported value
+2New positions
−14Exits
Strongly Falling How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -30.0% · share flow -3.4% · net new positions -20.0%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 12 -12 2.12M $869,537 +2 −14
Q1 2026 24 -5 2.19M $5.05M +3 −8
Q4 2025 29 +4 2.26M $8.06M +4
Q3 2025 7 +2 450.25K $2.09M +2
Q2 2025 4 +1 278.67K $615,852 +1
Q1 2025 2 -1 132.59K $188,283 −1
Q4 2024 3 +1 163.10K $386,546 +1
Q3 2024 2 +2 85.03K $176,863 +2
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Citadel Advisors 509.67K +754.7% $209,272 0.0% ▲ Add 5 SEC ↗
2 Citadel Advisors 509.67K +754.7% $209,272 0.0% ▲ Add 5 SEC ↗
3 Jane Street Group, Llc 503.22K New $206,622 0.0% New 1 SEC ↗
4 Jane Street Group, Llc 503.22K New $206,622 0.0% New 1 SEC ↗
5 Renaissance Technologies 325.08K +6.7% $133,479 0.0% ▲ Add 8 SEC ↗
6 Millennium Management 228.51K -58.0% $93,826 0.0% ▼ Trim 4 SEC ↗
7 Squarepoint Ops LLC 200.28K New $82,235 0.0% New 1 SEC ↗
8 Hrt Financial Lp 184.48K +1529.2% $75,000 0.0% ▲ Add 2 SEC ↗
9 BlackRock (passive) 147.06K +41.0% $60,384 0.0% ▲ Add 5 SEC ↗
10 BlackRock (passive) 147.06K +41.0% $60,384 0.0% ▲ Add 5 SEC ↗
11 Lido Advisors, LLC 20.25K +92.9% $8,316 0.0% ▲ Add 3 SEC ↗
12 Morgan Stanley 764 -95.3% $313 0.0% ▼ Trim 4 SEC ↗
13 Morgan Stanley 764 -95.3% $313 0.0% ▼ Trim 4 SEC ↗
14 Wells Fargo & Company/Mn 200 0.0% $82 0.0% Held 3 SEC ↗
15 Barclays Plc 16 -97.7% $7 0.0% ▼ Trim 3 SEC ↗
16 UBS Group AG 3 -98.3% $1 0.0% ▼ Trim 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Jane Street Group, Llc $206,622 0.0%
Jane Street Group, Llc $206,622 0.0%
Squarepoint Ops LLC $82,235 0.0%

Exited

Northern Trust Corp $1.14M was 0.0%
Susquehanna International… $615,692 was 0.0%
Goldman Sachs Group $226,824 was 0.0%
Russell Investments Group… $158,400 was 0.0%
Marshall Wace $115,383 was 0.0%
Bank Of America Corp /De/ $100,032 was 0.0%
Geode Capital Management $67,125 was 0.0%
First Manhattan Co. Llc. $62,100 was 0.0%
Two Sigma Investments $48,723 was 0.0%
Point72 Asset Management $47,764 was 0.0%
Citigroup Inc $43,574 was 0.0%
Federated Hermes, Inc. $1,866 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 50 holders, 24.72M shares, $56.72M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Aug 13 MVM Partners, LLC

Director · 2.20M sh @ 0.454 · $1,000,000

Open-market sales (S)

No open-market insider sales in our coverage window.

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 17 SC 13G/A — LYTTON LAURENCE W

View original SEC filing ↗

Aug 14 SC 13D — Bleichroeder LP

33.2% of class · View original SEC filing ↗

Aug 13 SC 13G/A — LYTTON LAURENCE W

View original SEC filing ↗

Jul 08 SC 13G/A — AWM Investment Company, Inc.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API