Security record · archived quarter
HOLX
Hologic, Inc. · Healthcare · Medical - Instruments & Supplies
21Tracked holders
+4Δ holders
78.04MShares held
$5.08BReported value
+4New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +23.5% ·
share flow +9.4% ·
net new positions +19.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| 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 | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 7 | The Vanguard Group ✦ (passive) | 26.80M | — | $1.75B | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 28 | BlackRock ✦ (passive) | 19.94M | — | $1.30B | 0.0% | n/c | 1 | SEC ↗ |
| 29 | State Street Global Advisors ✦ (passive) | 10.10M | -0.1% | $658.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 5.83M | +1.7% | $378.21M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 5.83M | +1.7% | $378.21M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 3.71M | +1342.2% | $241.67M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 33 | Citadel Advisors ✦ | 3.71M | +1342.2% | $241.67M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 34 | Arrowstreet Capital ✦ | 2.77M | +28.1% | $180.35M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 35 | Norges Bank ✦ (passive) | 2.76M | +65.5% | $180.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 36 | Renaissance Technologies ✦ | 1.21M | -33.8% | $79.06M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 37 | Millennium Management ✦ | 968.76K | +397.6% | $63.12M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 38 | Adage Capital Partners ✦ | 740.99K | New | $48.28M | 0.1% | New | 1 | SEC ↗ |
| 39 | D. E. Shaw & Co. ✦ | 725.08K | +24.6% | $47.25M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 532.15K | — | $34.67M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Fidelity (FMR) ✦ | 532.15K | — | $34.67M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Fidelity (FMR) ✦ | 532.15K | — | $34.67M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Fidelity (FMR) ✦ | 532.15K | — | $34.67M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Fidelity (FMR) ✦ | 532.15K | — | $34.67M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 427.80K | -4.5% | $27.81M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 427.80K | -4.5% | $27.81M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 47 | AQR Capital Management ✦ | 427.80K | -4.5% | $27.81M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 48 | AQR Capital Management ✦ | 427.80K | -4.5% | $27.81M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 49 | Gotham Asset Management ✦ | 367.44K | +115.4% | $23.94M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 50 | Wellington Management ✦ | 364.62K | -25.9% | $23.76M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 51 | Wellington Management ✦ | 364.62K | -25.9% | $23.76M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 52 | Wellington Management ✦ | 364.62K | -25.9% | $23.76M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 53 | Wellington Management ✦ | 364.62K | -25.9% | $23.76M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 54 | T. Rowe Price ✦ | 350.13K | -6.2% | $22.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 55 | T. Rowe Price ✦ | 350.13K | -6.2% | $22.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 56 | Marshall Wace ✦ | 317.28K | New | $20.67M | 0.0% | New | 1 | SEC ↗ |
| 57 | Marshall Wace ✦ | 317.28K | New | $20.67M | 0.0% | New | 1 | SEC ↗ |
| 58 | Two Sigma Investments ✦ | 68.30K | New | $4.45M | 0.0% | New | 1 | SEC ↗ |
| 59 | Soros Fund Management ✦ | 39.14K | New | $2.55M | 0.1% | New | 1 | SEC ↗ |
| 60 | Bridgewater Associates ✦ | 7.31K | -77.0% | $476,580 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 61 | Fisher Asset Management ✦ | 6.76K | +0.1% | $440,361 | 0.0% | ▲ Add | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $48.28M | 0.1% |
| Marshall Wace | $20.67M | 0.0% |
| Marshall Wace | $20.67M | 0.0% |
| Two Sigma Investments | $4.45M | 0.0% |
| Soros Fund Management | $2.55M | 0.1% |
Exited
| No tracked exits this quarter. |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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