Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in LH held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.4M | $1.72B | -1.5% | 7.831% | 0.03% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 5.4M | $1.43B | — | 6.532% | 0.04% |
| 3 | VICTORY CAPITAL MANAGEMENT INC | 4.6M | $1.23B | -13.6% | 5.622% | 0.79% |
| 4 | STATE STREET CORP | 3.9M | $1.03B | +1.0% | 4.694% | 0.04% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | $982.0M | — | 4.472% | 0.05% |
| 6 | Boston Partners | 2.4M | $632.4M | +23.8% | 2.878% | 0.66% |
| 7 | Allspring Global Investments Holdings, LLC | 2.2M | $607.2M | +1.0% | 2.705% | 1.02% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $581.0M | +2.3% | 2.656% | 0.04% |
| 9 | Select Equity Group, L.P. | 2.2M | $580.3M | +3.0% | 2.643% | 3.19% |
| 10 | MORGAN STANLEY | 1.5M | $399.7M | -0.5% | 1.820% | 0.02% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $355.6M | +2.2% | 1.619% | 0.07% |
| 12 | Invesco Ltd. | 1.3M | $351.2M | -5.4% | 1.599% | 0.05% |
| 13 | FMR LLC | 1.3M | $343.8M | -3.8% | 1.565% | 0.02% |
| 14 | NORDEA INVESTMENT MANAGEMENT AB | 1.0M | $276.4M | +8.0% | 1.270% | 0.26% |
| 15 | NORTHERN TRUST CORP | 997K | $266.1M | -1.7% | 1.212% | 0.04% |
| 16 | Veritas Investment Partners (UK) Ltd. | 979K | $261.3M | -4.6% | 1.190% | 6.67% |
| 17 | WELLINGTON MANAGEMENT GROUP LLP | 959K | $255.9M | -51.1% | 1.165% | 0.05% |
| 18 | UBS ASSET MANAGEMENT AMERICAS INC | 900K | $240.2M | +3.2% | 1.094% | 0.05% |
| 19 | ALLIANCEBERNSTEIN L.P. | 877K | $220.1M | -17.4% | 1.066% | 0.07% |
| 20 | ROYAL BANK OF CANADA | 820K | $218.9M | +19.4% | 0.997% | 0.04% |
| 21 | AMERICAN CENTURY COMPANIES INC | 811K | $216.3M | -1.1% | 0.985% | 0.11% |
| 22 | DIAMOND HILL CAPITAL MANAGEMENT INC | 764K | $203.9M | -39.4% | 0.929% | 1.28% |
| 23 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 744K | $198.4M | +101.6% | 0.903% | 0.61% |
| 24 | BANK OF AMERICA CORP /DE/ | 725K | $193.4M | -1.6% | 0.881% | 0.01% |
| 25 | COOKE & BIELER LP | 674K | $179.8M | -10.5% | 0.819% | 2.03% |
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 LH — a direct measure of their conviction.
Filings activity in LH 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 | 1,016 | +1.3% | 88.20% | +0.63 pp | $19.32B | +0.7% |
| Q4 2025 | 1,003 | +2.1% | 87.57% | 9.65 pp | $19.18B | 9.9% |
| Q3 2025 | 982 | +2.7% | 97.22% | 7.05 pp | $21.30B | 6.8% |
| Q2 2025 | 956 | +1.7% | 104.27% | +26.82 pp | $22.84B | +35% |
| Q1 2025 | 940 | +5.1% | 77.45% | +0.06 pp | $16.97B | +0.1% |
| Q4 2024 | 894 | +0.1% | 77.39% | +3.94 pp | $16.95B | +5.4% |
| Q3 2024 | 893 | +6.8% | 73.45% | 3.25 pp | $16.09B | 4.2% |
| Q2 2024 | 836 | — | 76.70% | — | $16.80B | — |
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 LH stock.
Based on Q1 2026 13F filings, institutional ownership of Labcorp Holdings Inc. stands at 88.2%, held across 1,016 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of LH, with approximately 6,444,856 shares worth $1.72B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of LH.
Our composite Smart Money Score for LH is 44 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
122 institutions opened new positions in LH during Q1 2026, while 109 fully exited. 693 added to existing positions and 195 trimmed.
LH institutional ownership rose by 0.63 percentage points quarter-over-quarter, with a net change of +13 holders.
The top 10 institutions account for 47.6% of all reported 13F value in LH, and the top 25 account for 67.2%.
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.
Labcorp Holdings Inc. (LH) Institutional Ownership