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 | $14M | Sell |
116,700
-303,500
| -72% | -$35M | 0.02% | 640 |
|
|
2025
Q4 | $44.2M | Buy |
420,200
+114,300
| +37% | +$10.7M | 0.06% | 330 |
|
|
2025
Q3 | $25.7M | Buy |
305,900
+10,300
| +3% | +$848K | 0.04% | 488 |
|
|
2025
Q2 | $23.4M | Sell |
295,600
-49,400
| -14% | -$3.93M | 0.04% | 466 |
|
|
2025
Q1 | $31M | Buy |
345,000
+258,900
| +301% | +$24.2M | 0.07% | 299 |
|
|
2024
Q4 | $8.57M | Sell |
86,100
-19,400
| -18% | -$2M | 0.02% | 869 |
|
|
2024
Q3 | $12M | Buy |
105,500
+19,000
| +22% | +$2.26M | 0.03% | 682 |
|
|
2024
Q2 | $10.7M | Sell |
86,500
-34,200
| -28% | -$4.41M | 0.03% | 646 |
|
|
2024
Q1 | $15.9M | Sell |
120,700
-80,600
| -40% | -$9.93M | 0.03% | 505 |
|
|
2023
Q4 | $21.9M | Sell |
201,300
-300
| -0.1% | -$31.1K | 0.05% | 406 |
|
|
2023
Q3 | $20.8M | Buy |
201,600
+126,600
| +169% | +$13.6M | 0.05% | 355 |
|
|
2023
Q2 | $8.65M | Buy |
75,000
+10,100
| +16% | +$1.15M | 0.03% | 646 |
|
|
2023
Q1 | $6.9M | Sell |
64,900
-288,800
| -82% | -$31.2M | 0.02% | 824 |
|
|
2022
Q4 | $39.2M | Sell |
353,700
-97,700
| -22% | -$9.99M | 0.11% | 180 |
|
|
2022
Q3 | $38.9M | Buy |
451,400
+167,100
| +59% | +$14.9M | 0.12% | 146 |
|
|
2022
Q2 | $25.9M | Buy |
284,300
+180,500
| +174% | +$16M | 0.08% | 242 |
|
|
2022
Q1 | $8.52M | Sell |
103,800
-197,500
| -66% | -$15.6M | 0.03% | 705 |
|
|
2021
Q4 | $23.1M | Sell |
301,300
-139,300
| -32% | -$11.1M | 0.08% | 272 |
|
|
2021
Q3 | $33.1M | Buy |
440,600
+404,400
| +1,117% | +$30.8M | 0.12% | 162 |
|
|
2021
Q2 | $2.81M | Sell |
36,200
-21,230
| -37% | -$1.58M | 0.01% | 1210 |
|
|
2021
Q1 | $4.22M | Sell |
57,430
-31,755
| -36% | -$2.34M | 0.02% | 769 |
|
|
2020
Q4 | $6.96M | Sell |
89,185
-33,012
| -27% | -$2.52M | 0.03% | 554 |
|
|
2020
Q3 | $9.67M | Buy |
122,197
+74,932
| +159% | +$5.87M | 0.05% | 301 |
|
|
2020
Q2 | $3.49M | Sell |
47,265
-92,853
| -66% | -$6.99M | 0.02% | 722 |
|
|
2020
Q1 | $10.3M | Sell |
140,118
-75,770
| -35% | -$5.95M | 0.08% | 181 |
|
|
2019
Q4 | $18.7M | Buy |
215,888
+202,998
| +1,575% | +$16.7M | 0.13% | 140 |
|
|
2019
Q3 | $1.03M | Sell |
12,890
-315
| -2% | -$25.2K | 0.01% | 1572 |
|
|
2019
Q2 | $1.06M | Sell |
13,205
-24,313
| -65% | -$1.86M | 0.01% | 1551 |
|
|
2019
Q1 | $2.98M | Sell |
37,518
-4,926
| -12% | -$368K | 0.02% | 792 |
|
|
2018
Q4 | $3.1M | Sell |
42,444
-18,654
| -31% | -$1.32M | 0.02% | 754 |
|
|
2018
Q3 | $4.14M | Sell |
61,098
-13,310
| -18% | -$848K | 0.02% | 771 |
|
|
2018
Q2 | $4.31M | Sell |
74,408
-3,878
| -5% | -$219K | 0.02% | 707 |
|
|
2018
Q1 | $4.07M | Buy |
78,286
+2,201
| +3% | +$119K | 0.02% | 662 |
|
|
2017
Q4 | $4.09K | Buy |
76,085
+43,911
| +136% | +$2.43M | 0.02% | 789 |
|
|
2017
Q3 | $1.96K | Sell |
32,174
-35,317
| -52% | -$2.14M | 0.01% | 1277 |
|
|
2017
Q2 | $4.13K | Sell |
67,491
-51,038
| -43% | -$3.11M | 0.03% | 706 |
|
|
2017
Q1 | $7.18K | Buy |
118,529
+81,220
| +218% | +$4.93M | 0.05% | 327 |
|
|
2016
Q4 | $2.1M | Sell |
37,309
-28,191
| -43% | -$1.65M | 0.01% | 924 |
|
|
2016
Q3 | $3.9M | Sell |
65,500
-13,938
| -18% | -$815K | 0.03% | 558 |
|
|
2016
Q2 | $4.37M | Sell |
79,438
-101,447
| -56% | -$5.4M | 0.03% | 511 |
|
|
2016
Q1 | $9.13M | Sell |
180,885
-37,413
| -17% | -$1.83M | 0.08% | 228 |
|
|
2015
Q4 | $11M | Buy |
218,298
+87,298
| +67% | +$4.4M | 0.11% | 176 |
|
|
2015
Q3 | $6.17M | Buy |
131,000
+107,001
| +446% | +$5.68M | 0.06% | 249 |
|
|
2015
Q2 | $1.3M | Buy |
23,999
+9,537
| +66% | +$535K | 0.01% | 948 |
|
|
2015
Q1 | $792K | Sell |
14,462
-56,383
| -80% | -$3.19M | 0.01% | 1160 |
|
|
2014
Q4 | $3.84M | Buy |
70,845
+66,234
| +1,436% | +$3.69M | 0.03% | 400 |
|
|
2014
Q3 | $260K | Sell |
4,611
-13,519
| -75% | -$759K | ﹤0.01% | 1852 |
|
|
2014
Q2 | $1K | Sell |
18,130
-15,720
| -46% | -$858K | 0.01% | 801 |
|
|
2014
Q1 | $1.83K | Sell |
33,850
-83,212
| -71% | -$4.31M | 0.03% | 510 |
|
|
2013
Q4 | $5.59M | Sell |
117,062
-73,779
| -39% | -$3.37M | 0.05% | 255 |
|
|
2013
Q3 | $8.67M | Sell |
190,841
-10,480
| -5% | -$478K | 0.09% | 161 |
|
|
2013
Q2 | $8.92M | Buy |
+201,321
| New | +$8.99M | 0.09% | 189 |
|
Other funds holding MRK
VCM
VPM
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. 3,777 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.
- 3,777 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.