Labcorp Holdings Inc.
Labcorp Holdings Inc. (LH) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · LH · as of Sep 30, 2025
Ownership Breakdown
1,008
Institutional Holders
▲ 31 vs Q2
$22.08B
Total Inst. Value
▲ $1.09B vs Q2
82.00M
Shares Outstanding
freeFloat 99.60%
77.04M
13F Shares Held
▼ 2.96M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
LH largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-medical laboratories | 9.81M | 11.75% | 11.75% | $2.82T | Nov 7, 2025 | ▼ 65.8K |
BLACKROCK, INC. services-medical laboratories | 8.13M | 9.73% | 9.73% | $2.33T | Nov 12, 2025 | ▼ 936.7K |
STATE STREET CORP services-medical laboratories | 3.83M | 4.59% | 4.59% | $1.10T | Nov 14, 2025 | ▼ 31.1K |
VICTORY CAPITAL MANAGEMENT INC services-medical laboratories | 2.64M | 3.16% | 3.16% | $756.88B | Nov 12, 2025 | ▲ 440.2K |
GEODE CAPITAL MANAGEMENT, LLC services-medical laboratories | 2.12M | 2.54% | 2.54% | $606.94B | Nov 12, 2025 | ▲ 9.8K |
WELLINGTON MANAGEMENT GROUP LLP services-medical laboratories | 2.11M | 2.52% | 2.52% | $604.49B | Nov 14, 2025 | ▲ 289.0K |
ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC services-medical laboratories | 2.00M | 2.39% | 2.39% | $557.09B | Oct 20, 2025 | ▼ 4.5K |
SELECT EQUITY GROUP, L.P. services-medical laboratories | 1.84M | 2.20% | 2.20% | $527.34B | Nov 14, 2025 | ▼ 295.8K |
BANK OF NEW YORK MELLON CORP services-medical laboratories | 1.77M | 2.12% | 2.12% | $508.54B | Nov 3, 2025 | ▼ 23.4K |
DIAMOND HILL CAPITAL MANAGEMENT INC services-medical laboratories | 1.64M | 1.97% | 1.97% | $471.42B | Nov 5, 2025 | ▼ 181.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
15
Increased
+2.31M shares1
New Positions
first time holders34
Decreased
−3.59M shares0
Sold Out
fully exitedNet shares change (top 50)
1.28M
+2.31M / −3.59M
Net new holders
-18
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
LH insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Schechter Adam H President & CEO | May 11, 2026 | Sale | 5,903 | $254.50 | $1.50M | 107.2K | Form 4 ↗ |
Schechter Adam H President & CEO | Mar 26, 2026 | Award | 58,470 | — | — | 139.2K | Form 4 ↗ |
Schechter Adam H President & CEO | Mar 26, 2026 | Tax Withhold | 26,106 | $268.38 | $7.01M | 113.1K | Form 4 ↗ |
GRAHAM ANITA Z EVP, CHRO | Mar 26, 2026 | Award | 6,604 | — | — | 8.1K | Form 4 ↗ |
GRAHAM ANITA Z EVP, CHRO | Mar 26, 2026 | Tax Withhold | 2,879 | $268.38 | $772.7K | 5.2K | Form 4 ↗ |
Schroeder Mark S EVP, Pres Diagnostics & COO | Mar 26, 2026 | Award | 9,304 | — | — | 15.8K | Form 4 ↗ |
Schroeder Mark S EVP, Pres Diagnostics & COO | Mar 26, 2026 | Award | 2,968 | — | — | 14.1K | Form 4 ↗ |
Schroeder Mark S EVP, Pres Diagnostics & COO | Mar 26, 2026 | Tax Withhold | 1,468 | $268.38 | $394.0K | 12.7K | Form 4 ↗ |
Schroeder Mark S EVP, Pres Diagnostics & COO | Mar 26, 2026 | Tax Withhold | 4,600 | $268.38 | $1.23M | 11.2K | Form 4 ↗ |
Caveney Brian J EVP, Pres of ED, CMO & CSO | Mar 26, 2026 | Award | 9,304 | — | — | 39.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Labcorp Holdings Inc. (LH) is primarily owned by institutional investors, who hold approximately 94.0% of total shares outstanding. Company insiders own approximately 0.40%, while retail and public investors account for the remaining 5.65%.
The largest institutional shareholder of Labcorp Holdings Inc. is VANGUARD GROUP INC, holding approximately 9.81 million shares — equal to 11.75% of outstanding shares — as of September 30, 2025.
A total of 1,008 institutional investors currently hold LH stock, with a combined institutional value of approximately $22.08 billion as of the most recent 13F filing period.
Frequently asked questions
LH ownershipLabcorp Holdings Inc. (LH) is primarily owned by institutional investors, who hold approximately 94.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.75% stake. Company insiders hold 0.40%. Data sourced from SEC Form 13F as of September 30, 2025.