Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MEDP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.5M | $1.19B | +2.4% | 8.651% | 0.02% |
| 2 | AQR CAPITAL MANAGEMENT LLC | 1.4M | $633.6M | +0.3% | 4.741% | 0.29% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $538.6M | — | 3.928% | 0.03% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.0M | $485.5M | — | 3.540% | 0.01% |
| 5 | WASATCH ADVISORS INC | 774K | $371.6M | +19.4% | 2.710% | 2.47% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 745K | $357.8M | +11.7% | 2.609% | 0.02% |
| 7 | STATE STREET CORP | 682K | $327.6M | +2.6% | 2.389% | 0.01% |
| 8 | Invesco Ltd. | 578K | $277.3M | +19.7% | 2.022% | 0.04% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 505K | $242.3M | +8.3% | 1.767% | 0.38% |
| 10 | BAILLIE GIFFORD & CO | 503K | $241.6M | -8.0% | 1.762% | 0.25% |
| 11 | Mawer Investment Management Ltd. | 446K | $214.2M | +9.5% | 1.562% | 1.39% |
| 12 | D. E. Shaw & Co., Inc. | 433K | $207.7M | -18.1% | 1.515% | 0.20% |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 396K | $190.0M | +5.5% | 1.386% | 0.10% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 348K | $167.3M | -3.0% | 1.220% | 0.03% |
| 15 | UBS Group AG | 340K | $163.5M | +3.5% | 1.192% | 0.02% |
| 16 | MORGAN STANLEY | 288K | $138.5M | -30.8% | 1.010% | 0.01% |
| 17 | Madison Asset Management, LLC | 262K | $126.0M | -5.6% | 0.919% | 1.56% |
| 18 | Giverny Capital Inc. | 256K | $123.0M | -2.8% | 0.897% | 4.50% |
| 19 | RIVERBRIDGE PARTNERS LLC | 237K | $114.0M | -13.0% | 0.831% | 2.79% |
| 20 | NORTHERN TRUST CORP | 226K | $108.7M | +3.4% | 0.792% | 0.01% |
| 21 | AMERICAN CAPITAL MANAGEMENT INC | 218K | $104.7M | -2.9% | 0.763% | 5.62% |
| 22 | BANK OF AMERICA CORP /DE/ | 212K | $101.9M | +0.7% | 0.743% | 0.01% |
| 23 | Vulcan Value Partners, LLC | 203K | $97.5M | +329.3% | 0.711% | 2.58% |
| 24 | FRANKLIN RESOURCES INC | 202K | $96.9M | -32.6% | 0.706% | 0.02% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 197K | $94.4M | +3.5% | 0.688% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MEDP — a direct measure of their conviction.
Filings activity in MEDP during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 714 | 6.4% | 79.77% | 13.93 pp | $10.65B | 15% |
| Q4 2025 | 763 | +17% | 93.70% | +6.10 pp | $12.51B | +7.0% |
| Q3 2025 | 654 | +12% | 87.60% | +29.81 pp | $11.69B | +52% |
| Q2 2025 | 584 | +3.7% | 57.79% | +4.31 pp | $7.71B | +8.0% |
| Q1 2025 | 563 | 1.2% | 53.48% | 4.74 pp | $7.14B | 8.1% |
| Q4 2024 | 570 | +1.2% | 58.22% | +0.39 pp | $7.77B | +0.7% |
| Q3 2024 | 563 | 6.9% | 57.83% | 14.19 pp | $7.72B | 20% |
| Q2 2024 | 605 | — | 72.02% | — | $9.61B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MEDP stock.
Based on Q1 2026 13F filings, institutional ownership of Medpace Holdings, Inc. stands at 79.8%, held across 714 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MEDP, with approximately 2,470,440 shares worth $1.19B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of MEDP, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for MEDP is 28 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
98 institutions opened new positions in MEDP during Q1 2026, while 147 fully exited. 109 added to existing positions and 503 trimmed.
MEDP institutional ownership fell by 13.93 percentage points quarter-over-quarter, with a net change of -49 holders.
The top 10 institutions account for 43.8% of all reported 13F value in MEDP, and the top 25 account for 63.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Medpace Holdings, Inc. (MEDP) Institutional Ownership