Mariner
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Mariner’s Labcorp LH Stock Holding History

Mariner’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 		$5.14M Sell
18,375
-3,043
-14% -$800K 0.01% 1018
2026
Q1 		$5.71M Sell
21,418
-4,258
-17% -$1.15M 0.01% 1003
2025
Q4 		$6.44M Buy
25,676
+13,196
+106% +$3.5M 0.01% 898
2025
Q3 		$3.58M Buy
12,480
+636
+5% +$170K ﹤0.01% 1090
2025
Q2 		$3.11M Sell
11,844
-1,652
-12% -$402K ﹤0.01% 1087
2025
Q1 		$3.14M Buy
13,496
+281
+2% +$68.2K 0.01% 995
2024
Q4 		$3.03M Buy
13,215
+2,709
+26% +$621K 0.01% 1004
2024
Q3 		$2.35M Buy
10,506
+845
+9% +$186K ﹤0.01% 1109
2024
Q2 		$1.97M Sell
9,661
-284
-3% -$57.8K ﹤0.01% 1115
2024
Q1 		$2.17M Sell
9,945
-7
-0.1% -$1.54K ﹤0.01% 1067
2023
Q4 		$2.26M Buy
9,952
+925
+10% +$194K 0.01% 1006
2023
Q3 		$1.81M Sell
9,027
-375
-4% -$79.1K ﹤0.01% 1016
2023
Q2 		$1.95M Buy
9,402
+217
+2% +$42.1K 0.01% 987
2023
Q1 		$1.81M Buy
9,185
+222
+2% +$45.7K 0.01% 1001
2022
Q4 		$1.81M Buy
8,963
+602
+7% +$118K 0.01% 975
2022
Q3 		$1.47M Buy
+8,361
New +$1.71M 0.01% 895
2019
Q3 		– Sell
-2,215
Closed -$329K – 889
2019
Q2 		$329K Buy
2,215
+270
+14% +$37.7K ﹤0.01% 847
2019
Q1 		$256K Buy
+1,945
New +$240K ﹤0.01% 869
2016
Q2 		– Sell
-7,100
Closed -$714K – 567
2016
Q1 		$714K Buy
+7,100
New +$681K 0.04% 273

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

Mariner's LH Position: Q2 2026 in Review

Mariner reduced its Labcorp (LH) stake by 14% in Q2 2026, selling an estimated $800K and leaving 18,375 shares worth $5.14M. The position accounts for 0.01% of the portfolio, ranked #1018.

Mariner first reported a position in LH in Q1 2016 and has held it in 19 quarters since. The position peaked at $6.44M in Q4 2025. 1,059 funds tracked by Wall St. Rank hold LH as of Q2 2026.

  • Mariner held 18,375 shares of Labcorp worth $5.14M as of Q2 2026.
  • Mariner sold 3,043 Labcorp shares in Q2 2026, an estimated $800K.
  • Labcorp made up 0.01% of Mariner's portfolio in Q2 2026, its #1018 holding.
  • Mariner first reported a position in Labcorp in Q1 2016 and has held it in 19 quarters since.
  • Mariner's Labcorp position peaked at $6.44M in Q4 2025.
  • 1,059 funds tracked by Wall St. Rank held Labcorp as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.