IRBT
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -18.2% ·
share flow +2.2% ·
net new positions -20.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management ✦ | 1.45M | -1.6% | $12.58M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 676.47K | +2.9% | $5.88M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 3 | Two Sigma Investments ✦ | 495.54K | +14.0% | $4.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 397.30K | New | $3.45M | 0.0% | New | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 287.77K | +128.2% | $2.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 62.05K | -68.4% | $539,214 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 7 | T. Rowe Price ✦ | 43.16K | -1.3% | $376,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | GAMCO Investors ✦ | 39.20K | -4.8% | $340,648 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 3.27K | -97.8% | $28,373 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $3.45M | 0.0% |
Exited
| D. E. Shaw & Co. | $1.92M | was 0.0% |
| Arrowstreet Capital | $382,000 | was 0.0% |
| Marshall Wace | $94,051 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 37.42K shares, $2,939 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.