$LH

$329.90 +$0.95 (0.29%) Close

$LH Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 81.1M shares outstanding

Who owns LH?

By type of holder

Institutions 97.7% Insiders 0.4% Everyone else 1.9%

Concentration Top 10 holders own 44.1%

BlackRock, Inc. 8.1% · Vanguard Capital Management LLC 6.6%

Institutional ownership

97.7%

+1.3 pts vs last qtr

Institutional holders

1,043

+19 vs last qtr

Net shares bought

+1.0M

by institutions in Q2 2026

New / sold out

107 / 88

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +810.1K
Boston Partners +682.9K

Biggest sellers in Q2 2026

Alliancebernstein L.P. −459.0K
Alyeska Investment Group, L.P. SOLD OUT −373.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$14.5M

18 notices from 8 people

Shares covered

51.8K

0.06% of the company

Arranged in advance

52%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Schechter Adam H Officer $8.44M
van der Vaart Sandra D Former officer $3.76M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−19.7%

−2.40% a year

Each share's claim on the business

+24.5%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$6.1B vs $1.15B

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years93% Under 1 year7%

Quarterly turnover

6.4%

of institutional shares changed hands

Top 10 managers, median time held

2 years

Super Investors

Investment managers reporting LH on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.6M	8.11%	+129.4K (+2.0%)	2024	0.0%
Shares held by quarter Peak holding9.3M (Q4'24) Change over 8 quarters−2.6M Share of the company8.110% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	5.4M	6.61%	−13.9K (−0.3%)	2024	0.0%
Shares held by quarter Peak holding5.4M (Q1'26) Change over 8 quarters+5.4M Share of the company6.610% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

6.6M

% of company

8.11%

Change vs last qtr

+129.4K (+2.0%)

Held since

2024

Vanguard Capital Management LLC

5.4M

% of company

6.61%

Change vs last qtr

−13.9K (−0.3%)

Held since

2024

28 more super investors behind a free account

See every manager holding Labcorp Holdings Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LH on Form N-PORT; together they hold 44.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$729M	2.6M	3.21%	0.03%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$595M	2.1M	2.62%	0.04%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$729M

% of company

3.21%

% of the fund

0.03%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$595M

% of company

2.62%

% of the fund

0.04%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Labcorp Holdings Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SA Schechter Adam H Insider	102.6K	0.13%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.130% Schechter Adam H's insider activity →
EG Eisenberg Glenn A Insider	37.9K	0.05%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.050% Eisenberg Glenn A's insider activity →

Schechter Adam H

Insider

102.6K

% of company

0.13%

Change vs last qtr

—

Held since

—

Eisenberg Glenn A

Insider

37.9K

% of company

0.05%

Change vs last qtr

—

Held since

—

22 more holders behind a free account

See every insider and 5%+ holder of Labcorp Holdings Inc..

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