Mink Brook Asset Management LLC
· Added
Change
+940K
Date
Q1 2026
MD
| Investor | Type | Est. change | Change | Δ Own | Date | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mink Brook Asset Management LLC
· Added
Change
+940K
Date
Q1 2026
|
Mink Brook Asset Management LLC | Added· Q1 2026 | – | +940K | – | Q1 2026 | |||||
|
Millennium Management LLC
· Added
Change
+428K
Date
Q1 2026
|
Millennium Management LLC | Added· Q1 2026 | – | +428K | – | Q1 2026 | |||||
|
Freegulliver LLC
· Exited
Change
−318K
Δ Own
−100.0%
Date
Q1 2026
|
Freegulliver LLC | Exited· Q1 2026 | – | −318K | −100.0% | Q1 2026 | |||||
|
Kennedy Capital Management LLC
· Reduced
Change
−190K
Date
Q1 2026
|
Kennedy Capital Management LLC | Reduced· Q1 2026 | – | −190K | – | Q1 2026 | |||||
|
Landscape Capital Management, L.L.C.
· New
Change
+164K
Date
Q1 2026
|
Landscape Capital Management, L.L.C. | New· Q1 2026 | – | +164K | – | Q1 2026 | |||||
|
Russell Investments Group, Ltd.
· Reduced
Change
−125K
Date
Q1 2026
|
Russell Investments Group, Ltd. | Reduced· Q1 2026 | – | −125K | – | Q1 2026 | |||||
|
Marshall Wace, LLP
· Reduced
Change
−120K
Date
Q1 2026
|
Marshall Wace, LLP | Reduced· Q1 2026 | – | −120K | – | Q1 2026 | |||||
|
Perkins Capital Management Inc
· Added
Change
+98K
Date
Q1 2026
|
Perkins Capital Management Inc | Added· Q1 2026 | – | +98K | – | Q1 2026 | |||||
|
Jane Street Group, LLC
· Exited
Change
−92K
Δ Own
−100.0%
Date
Q1 2026
|
Jane Street Group, LLC | Exited· Q1 2026 | – | −92K | −100.0% | Q1 2026 | |||||
|
Calamos Advisors LLC
· Exited
Change
−67K
Δ Own
−100.0%
Date
Q1 2026
|
Calamos Advisors LLC | Exited· Q1 2026 | – | −67K | −100.0% | Q1 2026 | |||||
|
Gsa Capital Partners LLP
· Reduced
Change
−60K
Date
Q1 2026
|
Gsa Capital Partners LLP | Reduced· Q1 2026 | – | −60K | – | Q1 2026 | |||||
|
Renaissance Technologies LLC
· Added
Change
+55K
Δ Own
+21.8%
Date
Q1 2026
|
Renaissance Technologies LLC | Added· Q1 2026 | – | +55K | +21.8% | Q1 2026 | |||||
|
Samjo Management, LLC
· Added
Change
+54K
Date
Q1 2026
|
Samjo Management, LLC | Added· Q1 2026 | – | +54K | – | Q1 2026 | |||||
|
Qube Research & Technologies Ltd
· Exited
Change
−48K
Δ Own
−100.0%
Date
Q1 2026
|
Qube Research & Technologies Ltd | Exited· Q1 2026 | – | −48K | −100.0% | Q1 2026 | |||||
|
Point72 Asset Management, L.P.
· Reduced
Change
−44K
Δ Own
−68.0%
Date
Q1 2026
|
Point72 Asset Management, L.P. | Reduced· Q1 2026 | – | −44K | −68.0% | Q1 2026 | |||||
| Insider | Title | Type | Price | Qty | Value | Owned | ΔOwn | Trade date | Filed date | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sollee Joseph
· Officer
2 operations
237K
|
Sollee Joseph | Officer | 2 operations | – | 237K | – | 154K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Hardison Don M.
· Director
Grant (A)
10K
|
Hardison Don M. | Director | Grant (A) | – | 10K | – | 10K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Oconnell Brendan
· Officer
2 operations
100K
|
Oconnell Brendan | Officer | 2 operations | – | 100K | – | 65K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
McGarrity Michael
· Director
2 operations
942K
|
McGarrity Michael | Director | 2 operations | – | 942K | – | 612K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Windels Hilde
· Director
Grant (A)
10K
|
Windels Hilde | Director | Grant (A) | – | 10K | – | 10K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Bellano John
· Officer
2 operations
333K
|
Bellano John | Officer | 2 operations | – | 333K | – | 217K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Holder Michael
· Director
Grant (A)
10K
|
Holder Michael | Director | Grant (A) | – | 10K | – | 10K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Siegel Sanford Jay
· Director
Grant (A)
10K
|
Siegel Sanford Jay | Director | Grant (A) | – | 10K | – | 10K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Hoffman Koen
· Director
Grant (A)
10K
|
Hoffman Koen | Director | Grant (A) | – | 10K | – | 10K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
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52 reporting institutions disclosed MDXH position changes in the Q1 2026 snapshot.
For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.
An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.
Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.
Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.
A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.