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
Q2 | $6.81M | Buy |
+52,971
| New | +$6.2M | 0.01% | 1128 |
|
|
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 | $1.4M | Sell |
26,114
-31,578
| -55% | -$1.75M | 0.01% | 1600 |
|
|
2017
Q3 | $3.52M | Buy |
57,692
+39,236
| +213% | +$2.38M | 0.02% | 880 |
|
|
2017
Q2 | $1.13M | Sell |
18,456
-53,461
| -74% | -$3.25M | 0.01% | 1658 |
|
|
2017
Q1 | $4.36M | 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: Q2 2026 in Review
Walleye Trading opened a new position in Merck (MRK) in Q2 2026: 52,971 shares worth $6.81M. The stake represents 0.01% of the portfolio and ranks #1128 among its holdings. This is a return to the name: Walleye Trading previously reported a position in MRK as recently as Q4 2025.
Walleye Trading first reported a position in MRK in Q3 2013 and has held it in 26 quarters since. The position peaked at $14M in Q3 2023. 3,852 funds tracked by Wall St. Rank hold MRK as of Q2 2026.
- Walleye Trading held 52,971 shares of Merck worth $6.81M as of Q2 2026.
- Merck was a new Walleye Trading position in Q2 2026.
- Merck made up 0.01% of Walleye Trading's portfolio in Q2 2026, its #1128 holding.
- Walleye Trading first reported a position in Merck in Q3 2013 and has held it in 26 quarters since.
- Walleye Trading's Merck position peaked at $14M in Q3 2023.
- 3,852 funds tracked by Wall St. Rank held Merck as of Q2 2026.
Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.