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972 hedge funds and large institutions have $18.1B invested in Labcorp in 2025 Q1 according to their latest regulatory filings, with 114 funds opening new positions, 331 increasing their positions, 356 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

124% more first-time investments, than exits

New positions opened: 114 | Existing positions closed: 51

44% more funds holding in top 10

Funds holding in top 10: 913 (+4)

5% more funds holding

Funds holding: 923972 (+49)

1% more capital invested

Capital invested by funds: $17.9B → $18.1B (+$253M)

0.04% less ownership

Funds ownership: 93.13%93.09% (-0.04%)

7% less repeat investments, than reductions

Existing positions increased: 331 | Existing positions reduced: 356

10% less call options, than puts

Call options by funds: $41.8M | Put options by funds: $46.2M

Holders
972
Holders Change
+49
Holders Change %
+5.31%
% of All Funds
13.03%
Holding in Top 10
13
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+44.44%
% of All Funds
0.17%
New
114
Increased
331
Reduced
356
Closed
51
Calls
$41.8M
Puts
$46.2M
Net Calls
-$4.47M
Net Calls Change
+$15.5M
Name Holding Trade Value Shares
Change
Change in
Stake
ZIM
101
Zacks Investment Management
Illinois
$18.9M +$680K +2,804 +4%
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$18.2M -$14.6K -60 -0.1%
CS
103
Candriam SCA
Luxembourg
$17.9M +$15.5M +63,931 +485%
GGS
104
Galvin Gaustad & Stein
Arizona
$17.6M -$2.82M -11,638 -13%
ET
105
Equitable Trust
Tennessee
$17.4M -$1.31M -5,382 -7%
SFM
106
Stack Financial Management
Montana
$17.4M -$173K -714 -0.9%
EBSAM
107
Eubel Brady & Suttman Asset Management
Ohio
$16.5M +$17.2M +70,822 New
LIM
108
Lathrop Investment Management
Arkansas
$16.5M +$892K +3,676 +5%
Adage Capital Partners
109
Adage Capital Partners
Massachusetts
$16.3M +$6.66M +27,456 +64%
Aberdeen Group
110
Aberdeen Group
United Kingdom
$16.3M +$557K +2,295 +3%
Brown Advisory
111
Brown Advisory
Maryland
$16.2M +$1.37M +5,644 +9%
Marshall Wace
112
Marshall Wace
United Kingdom
$16.1M +$16.8M +69,241 New
Millennium Management
113
Millennium Management
New York
$15.7M -$155M -637,333 -90%
WIC
114
Willis Investment Counsel
Georgia
$15.3M +$7.04K +29 +0%
Russell Investments Group
115
Russell Investments Group
United Kingdom
$15.3M +$5.47M +22,530 +52%
OSAM
116
O'Shaughnessy Asset Management
Connecticut
$15.2M +$4.11M +16,945 +35%
BB
117
Busey Bank
Illinois
$14.8M +$250K +1,029 +2%
OA
118
Oak Associates
Ohio
$14.8M +$122K +501 +0.8%
MCM
119
Mill Capital Management
North Carolina
$14.7M +$50.2K +207 +0.3%
GAM
120
Gotham Asset Management
New York
$14.6M +$9.02M +37,173 +145%
New York State Teachers Retirement System (NYSTRS)
121
New York State Teachers Retirement System (NYSTRS)
New York
$14.5M -$1.07M -4,410 -7%
Victory Capital Management
122
Victory Capital Management
Texas
$13.9M +$1.76M +7,254 +14%
Aviva
123
Aviva
United Kingdom
$13.8M +$2.16M +8,893 +18%
AssetMark Inc
124
AssetMark Inc
California
$13.6M +$257K +1,059 +2%
Jane Street
125
Jane Street
New York
$13.3M +$4.1M +16,879 +42%

LH Hedge Fund Activity: Q1 2025 in Review

972 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Labcorp (LH) for Q1 2025, worth a combined $18.1B — up 1.4% from $17.9B a quarter earlier.

Buyers outnumbered sellers: 114 funds opened new LH positions and 51 closed out — a net gain of 63 holders — while 331 added to existing stakes and 356 trimmed.

The largest buyer was Select Equity Group, adding an estimated $151M. The largest seller was Citadel Advisors, cutting an estimated $347M.

  • 972 institutional investors held Labcorp (LH) as of Q1 2025, up from 923 in Q4 2024.
  • Funds reported $18.1B of Labcorp stock for Q1 2025, up 1.4% quarter-over-quarter.
  • 114 funds opened new Labcorp positions in Q1 2025 and 51 closed out, a net change of +63 holders.
  • The largest Labcorp buyer in Q1 2025 was Select Equity Group, an estimated $151M added.
  • The largest Labcorp seller in Q1 2025 was Citadel Advisors, an estimated $347M sold.

Based on aggregated 13F filings for Q1 2025.