TEM
Tempus AI, Inc. · Healthcare · Medical - Healthcare Information Services
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +30.0% ·
net new positions +20.0%
— 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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 107 | -4 | 78.08M | $4.53B | +6 | −9 |
| Q1 2026 | 113 | -8 | 69.19M | $3.11B | +9 | −18 |
| Q4 2025 | 122 | 0 | 71.01M | $4.19B | +2 | −1 |
| Q3 2025 | 19 | +1 | 54.18M | $4.37B | +2 | −2 |
| Q2 2025 | 16 | +5 | 35.66M | $2.27B | +6 | −1 |
| Q1 2025 | 8 | +2 | 9.48M | $457.55M | +3 | −1 |
| Q4 2024 | 6 | +1 | 7.54M | $254.48M | +2 | −1 |
| Q3 2024 | 5 | -2 | 10.12M | $572.43M | — | −2 |
| Q2 2024 | 7 | — | 7.72M | $270.21M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Baillie Gifford ✦ | 12.09M | New | $768.45M | 0.6% | New | 1 | SEC ↗ |
| 2 | Baillie Gifford ✦ | 12.09M | New | $768.45M | 0.6% | New | 1 | SEC ↗ |
| 3 | Baillie Gifford ✦ | 12.09M | New | $768.45M | 0.6% | New | 1 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 12.09M | New | $768.45M | 0.6% | New | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 7.73M | — | $491.47M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passive) | 7.73M | — | $491.47M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | The Vanguard Group ✦ (passive) | 7.73M | — | $491.47M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | The Vanguard Group ✦ (passive) | 7.73M | — | $491.47M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | ARK Investment Management ✦ | 7.42M | -1.1% | $471.58M | 3.5% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 4.14M | — | $263.02M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 1.19M | New | $75.75M | 0.1% | New | 1 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 859.87K | New | $54.64M | 0.0% | New | 1 | SEC ↗ |
| 25 | AQR Capital Management ✦ | 850.18K | New | $54.02M | 0.0% | New | 1 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 649.42K | +411.4% | $41.26M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 649.42K | +411.4% | $41.26M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | D. E. Shaw & Co. ✦ | 421.73K | +1321.4% | $26.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Norges Bank ✦ (passive) | 142.03K | -19.8% | $9.02M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | Citadel Advisors ✦ | 88.66K | -13.0% | $5.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Citadel Advisors ✦ | 88.66K | -13.0% | $5.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | T. Rowe Price ✦ | 30.41K | -40.5% | $1.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 33 | Millennium Management ✦ | 22.07K | -96.1% | $1.40M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 34 | Marshall Wace ✦ | 10.60K | New | $673,524 | 0.0% | New | 1 | SEC ↗ |
| 35 | Marshall Wace ✦ | 10.60K | New | $673,524 | 0.0% | New | 1 | SEC ↗ |
| 36 | Marshall Wace ✦ | 10.60K | New | $673,524 | 0.0% | New | 1 | SEC ↗ |
| 37 | Marshall Wace ✦ | 10.60K | New | $673,524 | 0.0% | New | 1 | SEC ↗ |
| 38 | Bridgewater Associates ✦ | 3.81K | New | $242,405 | 0.0% | New | 1 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 203 | — | $12,899 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Baillie Gifford | $768.45M | 0.6% |
| Baillie Gifford | $768.45M | 0.6% |
| Baillie Gifford | $768.45M | 0.6% |
| Baillie Gifford | $768.45M | 0.6% |
| Two Sigma Investments | $75.75M | 0.1% |
| State Street Global Advisors | $54.64M | 0.0% |
| AQR Capital Management | $54.02M | 0.0% |
| Marshall Wace | $673,524 | 0.0% |
| Marshall Wace | $673,524 | 0.0% |
| Marshall Wace | $673,524 | 0.0% |
| Marshall Wace | $673,524 | 0.0% |
| Bridgewater Associates | $242,405 | 0.0% |
Exited
| Coatue Management | $45.13M | was 0.2% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 13.60K shares, $614 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 · 14.29K sh · $1.00M
Officer · 2.69K sh · $188,580
Officer · 100 sh · $5,647
Officer · 7.93K sh · $443,912
Officer · 26.31K sh · $1.58M
Officer · 3.09K sh · $173,171
Officer · 500 sh · $28,970
Officer · 2.99K sh · $179,550
Officer · 900 sh · $54,405
Officer · 494 sh · $30,248
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology