TEM
Tempus AI, Inc. · Healthcare · Medical - Healthcare Information Services
Momentum inputs (comparable managers):
holder breadth -28.6% ·
share flow +30.0% ·
net new positions -20.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| 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 | T. Rowe Price ✦ | 5.16M | -1.4% | $291.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | ARK Investment Management ✦ | 2.38M | +355.0% | $134.60M | 1.2% | ▲ Add | 2 | SEC ↗ |
| 3 | Millennium Management ✦ | 1.50M | +551.1% | $84.47M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 954.85K | -9.1% | $54.04M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 133.17K | +0.4% | $7.54M | 0.0% | ▲ Add | 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
| Citadel Advisors | $14.65M | was 0.0% |
| Marshall Wace | $4.86M | was 0.0% |
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