Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DH held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ADVENT INTERNATIONAL CORP/MA | 62.5M | $76.9M | 0.0% | 59.222% | 1.81% |
| 2 | GOLDMAN SACHS GROUP INC | 6.0M | $7.4M | +1.7% | 5.728% | 0.00% |
| 3 | BlackRock, Inc. | 3.0M | $3.7M | +2.8% | 2.829% | 0.00% |
| 4 | D. E. Shaw & Co., Inc. | 2.1M | $2.6M | +1.5% | 1.990% | 0.00% |
| 5 | DIMENSIONAL FUND ADVISORS LP | 1.7M | $2.0M | -13.1% | 1.579% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1.5M | +21.2% | 1.118% | 0.00% |
| 7 | STATE STREET CORP | 856K | $1.1M | -12.5% | 0.811% | 0.00% |
| 8 | AQR CAPITAL MANAGEMENT LLC | 702K | $863K | +24.5% | 0.665% | 0.00% |
| 9 | MILLENNIUM MANAGEMENT LLC | 590K | $726K | +77.8% | 0.559% | 0.00% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 511K | $629K | -3.1% | 0.484% | 0.00% |
| 11 | NORTHERN TRUST CORP | 436K | $536K | +0.1% | 0.413% | 0.00% |
| 12 | CITADEL ADVISORS LLC | 433K | $533K | +43.5% | 0.411% | 0.00% |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 429K | $528K | -38.9% | 0.407% | 0.00% |
| 14 | MORGAN STANLEY | 424K | $522K | -62.2% | 0.402% | 0.00% |
| 15 | BARCLAYS PLC | 326K | $402K | +43.0% | 0.309% | 0.00% |
| 16 | JACOBS LEVY EQUITY MANAGEMENT, INC | 299K | $368K | +53.5% | 0.284% | 0.00% |
| 17 | ALLIANCEBERNSTEIN L.P. | 123K | $354K | 0.0% | 0.117% | 0.00% |
| 18 | Pinnacle Wealth Management Advisory Group, LLC | 260K | $320K | 0.0% | 0.246% | 0.02% |
| 19 | PINNACLE ASSOCIATES LTD | 260K | $320K | 0.0% | 0.246% | 0.00% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 250K | $307K | -30.4% | 0.237% | 0.00% |
| 21 | Squarepoint Ops LLC | 240K | $295K | — | 0.227% | 0.00% |
| 22 | CLARK ESTATES INC/NY | 240K | $295K | 0.0% | 0.227% | 0.07% |
| 23 | TWO SIGMA INVESTMENTS, LP | 234K | $287K | +69.5% | 0.221% | 0.00% |
| 24 | Bank of New York Mellon Corp | 195K | $240K | -9.9% | 0.185% | 0.00% |
| 25 | TOCQUEVILLE ASSET MANAGEMENT L.P. | 165K | $203K | 0.0% | 0.156% | 0.00% |
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 DH — a direct measure of their conviction.
Filings activity in DH during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new DH position in Q1 2026
Institutions that fully closed their DH position in Q1 2026
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 | 110 | 6.8% | 119.15% | 80.84 pp | $106M | 59% |
| Q4 2025 | 118 | 4.8% | 199.99% | +0.00 pp | $258M | 33% |
| Q3 2025 | 124 | +4.2% | 199.99% | +0.00 pp | $387M | +2.5% |
| Q2 2025 | 119 | 11% | 199.99% | +0.00 pp | $378M | +31% |
| Q1 2025 | 134 | +6.3% | 199.99% | +0.00 pp | $289M | 32% |
| Q4 2024 | 126 | +2.4% | 199.99% | +0.00 pp | $424M | 8.5% |
| Q3 2024 | 123 | 14% | 199.99% | +0.00 pp | $463M | 24% |
| Q2 2024 | 143 | — | 199.99% | — | $606M | — |
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 DH stock.
Based on Q1 2026 13F filings, institutional ownership of Definitive Healthcare Corp. stands at 119.2%, held across 110 reporting institutions.
ADVENT INTERNATIONAL CORP/MA is the largest reported institutional holder of DH, with approximately 62,493,676 shares worth $0.08B as of Q1 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of DH, including MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for DH is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
20 institutions opened new positions in DH during Q1 2026, while 28 fully exited. 12 added to existing positions and 75 trimmed.
DH institutional ownership fell by 80.84 percentage points quarter-over-quarter, with a net change of -8 holders.
The top 10 institutions account for 92.2% of all reported 13F value in DH, and the top 25 account for 97.4%.
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.
Definitive Healthcare Corp. (DH) Institutional Ownership