BRKR
Bruker Corporation · Healthcare · Medical - Devices
Momentum inputs (comparable managers):
holder breadth +21.4% ·
share flow +8.6% ·
net new positions +17.6%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 38.48K | $1.97M | n/a | n/a |
| Q2 2026 | 119 | +10 | 81.03M | $4.87B | +18 | −7 |
| Q1 2026 | 111 | -2 | 77.83M | $2.81B | +8 | −11 |
| Q4 2025 | 114 | +1 | 81.30M | $3.83B | +4 | −2 |
| Q3 2025 | 19 | 0 | 49.38M | $1.60B | +3 | −4 |
| Q2 2025 | 17 | +3 | 44.89M | $1.85B | +4 | −1 |
| Q1 2025 | 11 | 0 | 11.41M | $475.20M | +3 | −3 |
| Q4 2024 | 11 | -2 | 10.42M | $610.89M | +1 | −3 |
| Q3 2024 | 12 | -1 | 5.68M | $392.44M | n/a | −1 |
| Q2 2024 | 13 | n/a | 8.60M | $549.04M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 11.08M | n/a | $456.54M | 0.0% | n/c | 1 | SEC ↗ ×18 |
| 2 | The Vanguard Group ✦ (passive) | 10.43M | n/a | $429.79M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | Fidelity (FMR) ✦ | 8.41M | n/a | $346.32M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 4 | State Street Global Advisors ✦ (passive) | 3.78M | -1.1% | $155.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 3.33M | +125.3% | $137.06M | 0.1% | ▲ Add | 5 | SEC ↗ ×5 |
| 6 | Citadel Advisors ✦ | 2.71M | +114.8% | $111.75M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 2.06M | -3.5% | $84.83M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 8 | Norges Bank ✦ (passive) | 1.08M | -3.4% | $44.46M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | Gotham Asset Management ✦ | 563.28K | +334.1% | $23.21M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 10 | Two Sigma Investments ✦ | 511.71K | -39.4% | $21.08M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | Adage Capital Partners ✦ | 298.37K | New | $12.29M | 0.0% | New | 1 | SEC ↗ |
| 12 | Scion Asset Management ✦ | 250.00K | New | $10.30M | 18.3% | New | 1 | SEC ↗ |
| 13 | Renaissance Technologies ✦ | 175.81K | -38.0% | $7.24M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Millennium Management ✦ | 99.98K | -50.6% | $4.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | T. Rowe Price ✦ | 74.08K | +2.1% | $3.05M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 16 | Arrowstreet Capital ✦ | 33.46K | New | $1.38M | 0.0% | New | 1 | SEC ↗ |
| 17 | Marshall Wace ✦ | 6.11K | New | $251,814 | 0.0% | New | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $12.29M | 0.0% |
| Scion Asset Management | $10.30M | 18.3% |
| Arrowstreet Capital | $1.38M | 0.0% |
| Marshall Wace | $251,814 | 0.0% |
Exited
| D. E. Shaw & Co. | $2.35M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 339 holders, 136.43M shares, $4.78B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 2.00K sh · $105,740
Officer · 3.47K sh · $197,614
Officer · 2.00K sh · $115,200
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology