HOLX
Hologic, Inc. · Healthcare · Medical - Instruments & Supplies
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow -6.6% ·
net new positions -7.1%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q1 2026 | 150 | -11 | 142.41M | $10.76B | — | −12 |
| Q4 2025 | 160 | -1 | 162.64M | $12.11B | +3 | −3 |
| Q3 2025 | 23 | 0 | 82.82M | $5.59B | +1 | −2 |
| Q2 2025 | 21 | +4 | 78.04M | $5.08B | +4 | — |
| Q1 2025 | 14 | -1 | 24.06M | $1.49B | — | −1 |
| Q4 2024 | 15 | 0 | 25.76M | $1.86B | — | — |
| Q3 2024 | 14 | -1 | 17.19M | $1.40B | — | −1 |
| Q2 2024 | 15 | — | 21.25M | $1.58B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 10.11M | -2.3% | $624.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 5.73M | 0.0% | $352.91M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 3 | Arrowstreet Capital ✦ | 2.16M | +28.1% | $133.49M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 1.83M | -26.1% | $113.13M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 5 | Norges Bank ✦ (passive) | 1.67M | -9.8% | $103.11M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 581.69K | +108.8% | $35.93M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Wellington Management ✦ | 492.39K | -7.7% | $30.41M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 8 | AQR Capital Management ✦ | 447.90K | -2.7% | $27.48M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 9 | T. Rowe Price ✦ | 373.09K | -69.7% | $23.05M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 10 | Citadel Advisors ✦ | 257.17K | -33.3% | $15.89M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | Millennium Management ✦ | 194.67K | -28.5% | $12.02M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 170.61K | -49.4% | $10.54M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 13 | Bridgewater Associates ✦ | 31.87K | -40.8% | $1.97M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | Fisher Asset Management ✦ | 6.75K | -19.1% | $417,141 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Two Sigma Investments | $7.05M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 699 holders, 212.67M shares, $15.33B 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.