Security record · archived quarter
MGN
name pending profile ingest
3Tracked holders
+1Δ holders
543.72KShares held
$95,248Reported value
+2New positions
−1Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Jane Street Group, Llc | 470.32K | New | $82,401 | 0.0% | New | 1 | SEC ↗ ×2 |
| 2 | UBS Group AG | 63.21K | +3230.5% | $11,063 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 3 | Geode Capital Management ✦ (passive) | 10.19K | New | $1,784 | 0.0% | New | 1 | 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 | $82,401 | 0.0% |
| Geode Capital Management | $1,784 | 0.0% |
Exited
| Osaic Holdings, Inc. | $392 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 6 holders, 588.25K shares, $103,050 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.
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: Q1 2026 ·
Methodology ·
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