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1,035 hedge funds and large institutions have $20.9B invested in Labcorp in 2026 Q1 according to their latest regulatory filings, with 110 funds opening new positions, 337 increasing their positions, 376 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

132% more call options, than puts

Call options by funds: $26.4M | Put options by funds: $11.4M

78% more funds holding in top 10

Funds holding in top 10: 916 (+7)

24% more first-time investments, than exits

New positions opened: 110 | Existing positions closed: 89

4% more capital invested

Capital invested by funds: $20.1B → $20.9B (+$736M)

1% more funds holding

Funds holding: 1,0271,035 (+8)

1.81% less ownership

Funds ownership: 96.8%94.99% (-1.8%)

10% less repeat investments, than reductions

Existing positions increased: 337 | Existing positions reduced: 376

Holders
1,035
Holders Change
+8
Holders Change %
+0.78%
% of All Funds
12.67%
Holding in Top 10
16
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+77.78%
% of All Funds
0.2%
New
110
Increased
337
Reduced
376
Closed
89
Calls
$26.4M
Puts
$11.4M
Net Calls
+$15M
Net Calls Change
+$40.6M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$1.72B -$26M -95,925 -1%
Vanguard Capital Management
2
Vanguard Capital Management
Pennsylvania
$1.43B +$1.46B +5,376,120 New
Victory Capital Management
3
Victory Capital Management
Texas
$1.23B -$198M -729,699 -14%
State Street
4
State Street
Massachusetts
$1.03B +$9.98M +36,844 +1%
Vanguard Portfolio Management
5
Vanguard Portfolio Management
Pennsylvania
$982M +$997M +3,680,661 New
Boston Partners
6
Boston Partners
Massachusetts
$632M +$123M +455,101 +24%
Allspring Global Investments
7
Allspring Global Investments
North Carolina
$607M +$6M +22,170 +1%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$581M +$13.2M +48,932 +2%
Select Equity Group
9
Select Equity Group
New York
$580M +$17.3M +64,006 +3%
JP Morgan Chase
10
JP Morgan Chase
New York
$404M +$66.5M +245,546 +19%
Morgan Stanley
11
Morgan Stanley
New York
$400M -$2.03M -7,512 -0.5%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$356M +$7.74M +28,584 +2%
Invesco
13
Invesco
Georgia
$351M -$20.5M -75,781 -5%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$344M -$13.9M -51,334 -4%
Nordea Investment Management
15
Nordea Investment Management
Sweden
$276M +$21M +77,463 +8%
Northern Trust
16
Northern Trust
Illinois
$266M -$4.66M -17,225 -2%
MIM
17
Meridiem Investment Management
United Kingdom
$261M -$12.9M -47,523 -5%
Wellington Management Group
18
Wellington Management Group
Massachusetts
$256M -$272M -1,003,962 -51%
UBS AM
19
UBS AM
Illinois
$240M +$7.5M +27,697 +3%
AllianceBernstein
20
AllianceBernstein
Tennessee
$220M -$50.2M -185,274 -17%
Royal Bank of Canada
21
Royal Bank of Canada
Ontario, Canada
$219M +$36.2M +133,549 +19%
American Century Companies
22
American Century Companies
Missouri
$216M -$2.36M -8,705 -1%
Diamond Hill Capital Management
23
Diamond Hill Capital Management
Ohio
$204M -$134M -495,846 -39%
Hotchkis & Wiley Capital Management
24
Hotchkis & Wiley Capital Management
California
$198M +$101M +374,664 +102%
Bank of America
25
Bank of America
North Carolina
$193M -$3.12M -11,524 -2%

LH Hedge Fund Activity: Q1 2026 in Review

1,035 of the 8,172 institutional investors tracked by Wall St. Rank reported a position in Labcorp (LH) for Q1 2026, worth a combined $20.9B — up 3.7% from $20.1B a quarter earlier.

Buyers outnumbered sellers: 110 funds opened new LH positions and 89 closed out — a net gain of 21 holders — while 337 added to existing stakes and 376 trimmed.

The largest buyer was Boston Partners, adding an estimated $123M. The largest seller was Wellington Management Group, cutting an estimated $272M.

  • 1,035 institutional investors held Labcorp (LH) as of Q1 2026, up from 1,027 in Q4 2025.
  • Funds reported $20.9B of Labcorp stock for Q1 2026, up 3.7% quarter-over-quarter.
  • 110 funds opened new Labcorp positions in Q1 2026 and 89 closed out, a net change of +21 holders.
  • The largest Labcorp buyer in Q1 2026 was Boston Partners, an estimated $123M added.
  • The largest Labcorp seller in Q1 2026 was Wellington Management Group, an estimated $272M sold.

Based on aggregated 13F filings for Q1 2026.