IRBT
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow -19.4% ·
net new positions +9.1%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.04M | n/a | $8.09M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 701.17K | +3.6% | $5.44M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 3 | Two Sigma Investments ✦ | 655.88K | +32.4% | $5.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 575.18K | +44.8% | $4.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | PRIMECAP Management ✦ | 303.90K | -79.0% | $2.36M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 87.79K | +2588.8% | $680,380 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 58.76K | -5.3% | $455,413 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 8 | T. Rowe Price ✦ | 55.95K | +29.6% | $434,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 54.45K | New | $421,964 | 0.0% | New | 1 | SEC ↗ ×2 |
| 10 | Millennium Management ✦ | 48.10K | -83.3% | $372,798 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | GAMCO Investors ✦ | 38.70K | -1.3% | $299,925 | 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
| D. E. Shaw & Co. | $421,964 | 0.0% |
Exited
| No tracked exits this quarter. |
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.