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 | $22.5M | Sell |
187,000
-21,300
| -10% | -$2.46M | 0.04% | 469 |
|
|
2025
Q4 | $21.9M | Sell |
208,300
-800
| -0.4% | -$75.1K | 0.03% | 574 |
|
|
2025
Q3 | $17.5M | Sell |
209,100
-26,300
| -11% | -$2.17M | 0.03% | 627 |
|
|
2025
Q2 | $18.6M | Sell |
235,400
-7,000
| -3% | -$556K | 0.03% | 554 |
|
|
2025
Q1 | $21.8M | Buy |
242,400
+86,300
| +55% | +$8.06M | 0.05% | 418 |
|
|
2024
Q4 | $15.5M | Buy |
156,100
+46,800
| +43% | +$4.82M | 0.03% | 576 |
|
|
2024
Q3 | $12.4M | Buy |
109,300
+72,900
| +200% | +$8.66M | 0.03% | 668 |
|
|
2024
Q2 | $4.51M | Sell |
36,400
-142,600
| -80% | -$18.4M | 0.01% | 1102 |
|
|
2024
Q1 | $23.6M | Sell |
179,000
-109,600
| -38% | -$13.5M | 0.05% | 357 |
|
|
2023
Q4 | $31.5M | Buy |
288,600
+183,600
| +175% | +$19.1M | 0.07% | 288 |
|
|
2023
Q3 | $10.8M | Sell |
105,000
-38,700
| -27% | -$4.17M | 0.03% | 648 |
|
|
2023
Q2 | $16.6M | Sell |
143,700
-449,200
| -76% | -$51M | 0.05% | 361 |
|
|
2023
Q1 | $63.1M | Buy |
592,900
+337,500
| +132% | +$36.4M | 0.14% | 101 |
|
|
2022
Q4 | $28.3M | Buy |
255,400
+21,000
| +9% | +$2.15M | 0.08% | 259 |
|
|
2022
Q3 | $20.2M | Sell |
234,400
-111,500
| -32% | -$9.95M | 0.06% | 331 |
|
|
2022
Q2 | $31.5M | Buy |
345,900
+148,300
| +75% | +$13.1M | 0.1% | 190 |
|
|
2022
Q1 | $16.2M | Buy |
197,600
+7,800
| +4% | +$615K | 0.05% | 431 |
|
|
2021
Q4 | $14.5M | Sell |
189,800
-122,400
| -39% | -$9.75M | 0.05% | 419 |
|
|
2021
Q3 | $23.4M | Buy |
312,200
+241,500
| +342% | +$18.4M | 0.08% | 238 |
|
|
2021
Q2 | $5.5M | Buy |
70,700
+57,181
| +423% | +$4.25M | 0.02% | 739 |
|
|
2021
Q1 | $994K | Sell |
13,519
-16,873
| -56% | -$1.24M | ﹤0.01% | 1921 |
|
|
2020
Q4 | $2.37M | Sell |
30,392
-114,337
| -79% | -$8.74M | 0.01% | 1257 |
|
|
2020
Q3 | $11.5M | Buy |
144,729
+16,873
| +13% | +$1.32M | 0.06% | 243 |
|
|
2020
Q2 | $9.43M | Sell |
127,856
-23,894
| -16% | -$1.8M | 0.06% | 291 |
|
|
2020
Q1 | $11.1M | Sell |
151,750
-122,407
| -45% | -$9.62M | 0.09% | 163 |
|
|
2019
Q4 | $23.8M | Buy |
274,157
+20,541
| +8% | +$1.69M | 0.16% | 99 |
|
|
2019
Q3 | $20.4M | Buy |
253,616
+131,524
| +108% | +$10.5M | 0.17% | 74 |
|
|
2019
Q2 | $9.77M | Sell |
122,092
-221,652
| -64% | -$17M | 0.08% | 202 |
|
|
2019
Q1 | $27.3M | Buy |
343,744
+112,555
| +49% | +$8.42M | 0.21% | 56 |
|
|
2018
Q4 | $16.9M | Buy |
231,189
+106,896
| +86% | +$7.55M | 0.12% | 128 |
|
|
2018
Q3 | $8.41M | Buy |
124,293
+81,954
| +194% | +$5.22M | 0.04% | 403 |
|
|
2018
Q2 | $2.45M | Buy |
42,339
+5,449
| +15% | +$307K | 0.01% | 1150 |
|
|
2018
Q1 | $1.92M | Sell |
36,890
-129,952
| -78% | -$7.02M | 0.01% | 1242 |
|
|
2017
Q4 | $8.96K | Buy |
166,842
+70,112
| +72% | +$3.89M | 0.04% | 376 |
|
|
2017
Q3 | $5.91K | Buy |
96,730
+38,147
| +65% | +$2.31M | 0.03% | 565 |
|
|
2017
Q2 | $3.58K | Sell |
58,583
-40,977
| -41% | -$2.49M | 0.02% | 791 |
|
|
2017
Q1 | $6.04K | Buy |
99,560
+51,666
| +108% | +$3.13M | 0.04% | 400 |
|
|
2016
Q4 | $2.69M | Sell |
47,894
-10,270
| -18% | -$601K | 0.02% | 765 |
|
|
2016
Q3 | $3.46M | Sell |
58,164
-15,406
| -21% | -$901K | 0.02% | 620 |
|
|
2016
Q2 | $4.04M | Sell |
73,570
-287,990
| -80% | -$15.3M | 0.03% | 562 |
|
|
2016
Q1 | $18.3M | Buy |
361,560
+304,444
| +533% | +$14.9M | 0.16% | 90 |
|
|
2015
Q4 | $2.88M | Sell |
57,116
-110,878
| -66% | -$5.59M | 0.03% | 586 |
|
|
2015
Q3 | $7.92M | Buy |
167,994
+63,404
| +61% | +$3.37M | 0.07% | 199 |
|
|
2015
Q2 | $5.68M | Buy |
104,590
+71,892
| +220% | +$4.03M | 0.06% | 292 |
|
|
2015
Q1 | $1.79M | Sell |
32,698
-209
| -0.6% | -$11.8K | 0.02% | 692 |
|
|
2014
Q4 | $1.78M | Sell |
32,907
-24,733
| -43% | -$1.38M | 0.02% | 731 |
|
|
2014
Q3 | $3.26M | Buy |
57,640
+4,297
| +8% | +$241K | 0.04% | 250 |
|
|
2014
Q2 | $2.94K | Buy |
53,343
+10,689
| +25% | +$583K | 0.04% | 270 |
|
|
2014
Q1 | $2.31K | Sell |
42,654
-109,411
| -72% | -$5.67M | 0.03% | 389 |
|
|
2013
Q4 | $7.26M | Sell |
152,065
-58,164
| -28% | -$2.66M | 0.07% | 192 |
|
|
2013
Q3 | $9.55M | Sell |
210,229
-231,293
| -52% | -$10.6M | 0.1% | 142 |
|
|
2013
Q2 | $19.6M | Buy |
+441,522
| New | +$19.7M | 0.19% | 81 |
|
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.