William Blair Investment Management
LH icon

William Blair Investment Management’s Labcorp LH Stock Holding History

William Blair Investment Management’s Portfolio LH Stock Details LH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$369K Buy
1,317
+6
+0.5% +$1.58K ﹤0.01% 386
2026
Q1 		$350K Buy
1,311
+34
+3% +$9.21K ﹤0.01% 390
2025
Q4 		$320K Sell
1,277
-107
-8% -$28.4K ﹤0.01% 399
2025
Q3 		$397K Sell
1,384
-48
-3% -$12.9K ﹤0.01% 378
2025
Q2 		$376K Sell
1,432
-22
-2% -$5.36K ﹤0.01% 392
2025
Q1 		$338K Sell
1,454
-597
-29% -$145K ﹤0.01% 400
2024
Q4 		$470K Hold
2,051
– – ﹤0.01% 392
2024
Q3 		$458K Sell
2,051
-165
-7% -$36.3K ﹤0.01% 379
2024
Q2 		$451K Buy
2,216
+197
+10% +$40.1K ﹤0.01% 374
2024
Q1 		$441K Buy
2,019
+78
+4% +$17.2K ﹤0.01% 372
2023
Q4 		$441K Sell
1,941
-32
-2% -$6.72K ﹤0.01% 364
2023
Q3 		$397K Buy
+1,973
New +$416K ﹤0.01% 374
2022
Q1 		– Sell
-771
Closed -$208K – 449
2021
Q4 		$208K Buy
+771
New +$191K ﹤0.01% 421

Other funds holding LH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Select Equity Group
Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

William Blair Investment Management's LH Position: Q2 2026 in Review

William Blair Investment Management increased its Labcorp (LH) stake by 0.46% in Q2 2026, buying an estimated $1.58K and bringing the position to 1,317 shares worth $369K. The position accounts for ﹤0.01% of the portfolio, ranked #386.

William Blair Investment Management first reported a position in LH in Q4 2021 and has held it in 13 quarters since. The position peaked at $470K in Q4 2024. 1,055 funds tracked by Wall St. Rank hold LH as of Q2 2026.

  • William Blair Investment Management held 1,317 shares of Labcorp worth $369K as of Q2 2026.
  • William Blair Investment Management bought 6 Labcorp shares in Q2 2026, an estimated $1.58K.
  • Labcorp made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #386 holding.
  • William Blair Investment Management first reported a position in Labcorp in Q4 2021 and has held it in 13 quarters since.
  • William Blair Investment Management's Labcorp position peaked at $470K in Q4 2024.
  • 1,055 funds tracked by Wall St. Rank held Labcorp as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.