CERT
Certara, Inc. · Healthcare · Medical - Healthcare Information Services
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow -30.0% ·
net new positions +9.1%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 86 | -1 | 77.54M | $507.33M | +10 | −11 |
| Q1 2026 | 90 | +6 | 76.64M | $437.42M | +11 | −5 |
| Q4 2025 | 83 | 0 | 76.79M | $676.57M | +1 | −1 |
| Q3 2025 | 19 | -1 | 44.86M | $548.13M | +1 | −3 |
| Q2 2025 | 18 | +2 | 38.60M | $451.58M | +3 | −1 |
| Q1 2025 | 13 | +1 | 10.46M | $103.56M | +2 | −1 |
| Q4 2024 | 12 | 0 | 9.62M | $102.45M | +1 | −1 |
| Q3 2024 | 11 | +1 | 4.38M | $51.29M | +3 | −2 |
| Q2 2024 | 10 | — | 11.06M | $153.25M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 1.91M | 0.0% | $22.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.91M | 0.0% | $22.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Millennium Management ✦ | 1.06M | +2757.2% | $12.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 375.49K | -6.0% | $4.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 316.07K | +1173.2% | $3.70M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 316.07K | +1173.2% | $3.70M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 314.28K | +1517.4% | $3.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 113.50K | New | $1.33M | 0.0% | New | 1 | SEC ↗ |
| 9 | Bridgewater Associates ✦ | 78.82K | -52.6% | $922,935 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 67.27K | +6.3% | $788,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Gotham Asset Management ✦ | 62.51K | -21.4% | $731,934 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 43.65K | New | $511,095 | 0.0% | New | 1 | SEC ↗ |
| 13 | Marshall Wace ✦ | 43.00K | New | $503,530 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $1.33M | 0.0% |
| D. E. Shaw & Co. | $511,095 | 0.0% |
| Marshall Wace | $503,530 | 0.0% |
Exited
| Baillie Gifford | $115.75M | was 0.1% |
| GAMCO Investors | $159,275 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 252 holders, 134.62M shares, $745.75M 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.