IONR
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +30.0% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 17 | +4 | 2.16M | $9.36M | +5 | −1 |
| Q1 2026 | 13 | +1 | 2.56M | $10.88M | +5 | −4 |
| Q4 2025 | 12 | +3 | 377.29K | $1.81M | +3 | — |
| Q3 2025 | 1 | -1 | 9.60K | $42,912 | — | −1 |
| Q2 2025 | 1 | +1 | 16.33K | $42,785 | +1 | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Marshall Wace ✦ | 165.23K | New | $793,109 | 0.0% | New | 1 | SEC ↗ |
| 2 | Marshall Wace ✦ | 165.23K | New | $793,109 | 0.0% | New | 1 | SEC ↗ |
| 3 | Marshall Wace ✦ | 165.23K | New | $793,109 | 0.0% | New | 1 | SEC ↗ |
| 4 | Morgan Stanley ✦ | 60.91K | +534.4% | $292,344 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Morgan Stanley ✦ | 60.91K | +534.4% | $292,344 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 56.91K | New | $273,192 | 0.0% | New | 1 | SEC ↗ |
| 7 | Jane Street Group, Llc | 40.50K | — | $194,385 | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Jane Street Group, Llc | 40.50K | — | $194,385 | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Millennium Management ✦ | 19.93K | New | $95,683 | 0.0% | New | 1 | SEC ↗ |
| 10 | Hrt Financial Lp | 17.32K | — | $83,000 | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Susquehanna International Group, Llp | 11.31K | — | $54,283 | 0.0% | n/c | 1 | SEC ↗ |
| 12 | UBS Group AG | 2.15K | — | $10,320 | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Rhumbline Advisers | 1.81K | — | $8,677 | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Wells Fargo & Company/Mn | 500 | — | $2,400 | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Jones Financial Companies Lllp | 423 | — | $2,030 | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Osaic Holdings, Inc. | 300 | — | $1,440 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $793,109 | 0.0% |
| Marshall Wace | $793,109 | 0.0% |
| Marshall Wace | $793,109 | 0.0% |
| Citadel Advisors | $273,192 | 0.0% |
| Millennium Management | $95,683 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 21 holders, 2.87M shares, $11.78M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.