MEDP
Medpace Holdings, Inc. · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers):
holder breadth +5.3% ·
share flow +11.8% ·
net new positions +5.0%
— 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 | 131 | -10 | 16.81M | $8.90B | +3 | −12 |
| Q1 2026 | 143 | -2 | 15.75M | $7.54B | +5 | −8 |
| Q4 2025 | 145 | 0 | 17.01M | $9.56B | +1 | — |
| Q3 2025 | 22 | 0 | 10.56M | $5.42B | +1 | −2 |
| Q2 2025 | 20 | +1 | 9.67M | $3.03B | +1 | — |
| Q1 2025 | 16 | -1 | 3.77M | $1.14B | — | −1 |
| Q4 2024 | 17 | +1 | 4.06M | $1.35B | +1 | — |
| Q3 2024 | 15 | -1 | 3.56M | $1.19B | — | −1 |
| Q2 2024 | 16 | — | 3.05M | $1.26B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 2.46M | — | $773.57M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 2.39M | — | $750.32M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 2.39M | — | $750.32M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 2.39M | — | $750.32M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 2.39M | — | $750.32M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 2.39M | — | $750.32M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 706.78K | -9.7% | $221.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Renaissance Technologies ✦ | 678.09K | +17.4% | $212.82M | 0.3% | ▲ Add | 5 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 637.93K | -4.5% | $200.24M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 637.93K | -4.5% | $200.24M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 621.18K | +15.1% | $193.27M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 621.18K | +15.1% | $193.27M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 621.18K | +15.1% | $193.27M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 621.18K | +15.1% | $193.27M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 621.18K | +15.1% | $193.27M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 621.18K | +15.1% | $193.27M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 34 | Baillie Gifford ✦ | 522.29K | +12040.7% | $163.93M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 35 | Baillie Gifford ✦ | 522.29K | +12040.7% | $163.93M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 36 | Baillie Gifford ✦ | 522.29K | +12040.7% | $163.93M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 37 | Baillie Gifford ✦ | 522.29K | +12040.7% | $163.93M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 38 | Millennium Management ✦ | 344.93K | +271.9% | $108.26M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 39 | D. E. Shaw & Co. ✦ | 343.56K | +60.4% | $107.83M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 40 | D. E. Shaw & Co. ✦ | 343.56K | +60.4% | $107.83M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 41 | Two Sigma Investments ✦ | 266.75K | +13.6% | $83.72M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 42 | Norges Bank ✦ (passive) | 212.19K | -11.1% | $66.60M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 43 | Fisher Asset Management ✦ | 125.35K | -29.8% | $39.34M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 44 | T. Rowe Price ✦ | 103.30K | -3.8% | $32.42M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 45 | T. Rowe Price ✦ | 103.30K | -3.8% | $32.42M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 46 | Arrowstreet Capital ✦ | 102.74K | +25.8% | $32.25M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 47 | Citadel Advisors ✦ | 69.00K | New | $21.66M | 0.0% | New | 1 | SEC ↗ |
| 48 | Wellington Management ✦ | 27.46K | -11.6% | $8.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 49 | Wellington Management ✦ | 27.46K | -11.6% | $8.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 50 | Wellington Management ✦ | 27.46K | -11.6% | $8.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 51 | Fidelity (FMR) ✦ | 26.95K | — | $8.46M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Fidelity (FMR) ✦ | 26.95K | — | $8.46M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Fidelity (FMR) ✦ | 26.95K | — | $8.46M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Fidelity (FMR) ✦ | 26.95K | — | $8.46M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Gotham Asset Management ✦ | 14.38K | +109.8% | $4.51M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 56 | Capital World Investors ✦ | 11.17K | +209.0% | $3.51M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 57 | Marshall Wace ✦ | 969 | -71.2% | $304,130 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $21.66M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 724 holders, 23.89M shares, $10.71B 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, Director, 10% owner · 1.98K sh · $1.23M
Officer, Director, 10% owner · 13.99K sh · $8.74M
Officer · 3.40K sh · $2.13M
Officer, Director, 10% owner · 27.17K sh · $16.81M
Director · 7.28K sh · $4.41M
Officer, Director, 10% owner · 15.61K sh · $9.47M
Director · 5.00K sh · $3.04M
Officer, Director, 10% owner · 458 sh · $274,979
Officer, Director, 10% owner · 11.37K sh · $6.84M
Director · 1.14K sh · $690,122
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology