Walleye Trading’s Merck MRK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-121,097
Closed -$14M 4481
2025
Q4
$12.7M Buy
121,097
+67,700
+127% +$6.36M 0.02% 814
2025
Q3
$4.48M Sell
53,397
-21,916
-29% -$1.81M 0.01% 1307
2025
Q2
$5.96M Sell
75,313
-35,508
-32% -$2.82M 0.01% 1113
2025
Q1
$9.95M Buy
+110,821
New +$10.3M 0.02% 732
2024
Q4
Sell
-51,924
Closed -$5.35M 4513
2024
Q3
$5.9M Sell
51,924
-7,312
-12% -$869K 0.01% 1047
2024
Q2
$7.33M Buy
+59,236
New +$7.63M 0.02% 849
2024
Q1
Sell
-42,492
Closed -$5.24M 5127
2023
Q4
$4.63M Sell
42,492
-93,695
-69% -$9.73M 0.01% 1298
2023
Q3
$14M Buy
+136,187
New +$14.7M 0.04% 513
2023
Q1
Sell
-52,830
Closed -$5.7M 5179
2022
Q4
$5.86M Sell
52,830
-23,877
-31% -$2.44M 0.02% 969
2022
Q3
$6.61M Buy
+76,707
New +$6.85M 0.02% 840
2022
Q1
Sell
-129,557
Closed -$10.2M 5691
2021
Q4
$9.93M Sell
129,557
-524
-0.4% -$41.7K 0.03% 606
2021
Q3
$9.77M Buy
+130,081
New +$9.89M 0.04% 562
2021
Q2
Sell
-15,948
Closed -$1.19M 5399
2021
Q1
$1.17M Sell
15,948
-46,109
-74% -$3.4M 0.01% 1767
2020
Q4
$4.84M Buy
+62,057
New +$4.75M 0.02% 754
2018
Q3
Sell
-27,221
Closed -$1.73M 5448
2018
Q2
$1.58M Sell
27,221
-75,969
-74% -$4.29M 0.01% 1601
2018
Q1
$5.36M Buy
103,190
+77,076
+295% +$4.16M 0.03% 510
2017
Q4
$1.4K Sell
26,114
-31,578
-55% -$1.75M 0.01% 1600
2017
Q3
$3.52K Buy
57,692
+39,236
+213% +$2.38M 0.02% 880
2017
Q2
$1.13K Sell
18,456
-53,461
-74% -$3.25M 0.01% 1658
2017
Q1
$4.36K Sell
71,917
-9,319
-11% -$565K 0.03% 580
2016
Q4
$4.56M Buy
+81,236
New +$4.75M 0.03% 489
2016
Q1
Sell
-73,367
Closed -$3.59M 5660
2015
Q4
$3.7M Buy
+73,367
New +$3.7M 0.04% 472
2015
Q1
Sell
-105,247
Closed -$5.96M 4331
2014
Q4
$5.7M Buy
+105,247
New +$5.86M 0.05% 275
2014
Q1
Sell
-68,054
Closed -$3.52M 3784
2013
Q4
$3.25M Buy
68,054
+43,139
+173% +$1.97M 0.03% 445
2013
Q3
$1.13M Buy
+24,915
New +$1.14M 0.01% 803

Other funds holding MRK

Walleye Trading's MRK Position: Q1 2026 in Review

Walleye Trading sold out of Merck (MRK) in Q1 2026, closing a stake of 121,097 shares — an estimated $14M sold.

Walleye Trading first reported a position in MRK in Q3 2013 and held it in 25 quarters. The position peaked at $14M in Q3 2023. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Walleye Trading reported no remaining Merck position as of Q1 2026 after selling out during the quarter.
  • Walleye Trading sold 121,097 Merck shares in Q1 2026, an estimated $14M.
  • Walleye Trading first reported a position in Merck in Q3 2013 and held it in 25 quarters.
  • Walleye Trading's Merck position peaked at $14M in Q3 2023.
  • 3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.