HOLX
Hologic, Inc. · Healthcare · Medical - Instruments & Supplies
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow -19.1% ·
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 Q3 2024
| 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 | Geode Capital Management ✦ (passive) | 5.59M | +0.2% | $453.61M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 2 | Renaissance Technologies ✦ | 2.82M | +10.8% | $229.57M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 2.80M | -52.3% | $228.25M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 4 | Norges Bank ✦ (passive) | 1.84M | -23.9% | $150.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Arrowstreet Capital ✦ | 1.33M | +21.9% | $108.00M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 6 | Wellington Management ✦ | 754.25K | -36.8% | $61.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 7 | AQR Capital Management ✦ | 519.93K | -8.1% | $42.06M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 8 | Millennium Management ✦ | 501.24K | +1003.5% | $40.83M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 367.78K | -54.4% | $29.96M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 10 | Gotham Asset Management ✦ | 248.94K | +12.5% | $20.28M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 224.65K | +313.1% | $18.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Bridgewater Associates ✦ | 164.83K | -48.1% | $13.43M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 24.75K | +940.0% | $2.02M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 14 | Fisher Asset Management ✦ | 8.34K | -5.2% | $679,142 | 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
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $39.43M | was 0.1% |
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.