Prospector Partners’s Merck MRK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-157,282
| Closed | -$13.2M | – | 55 |
|
|
2025
Q3 | $13.2M | Sell |
157,282
-9,521
| -6% | -$784K | 1.58% | 27 |
|
|
2025
Q2 | $13.2M | Sell |
166,803
-10,499
| -6% | -$835K | 1.51% | 26 |
|
|
2025
Q1 | $15.9M | Sell |
177,302
-1,036
| -0.6% | -$96.7K | 1.79% | 17 |
|
|
2024
Q4 | $17.7M | Buy |
178,338
+15,490
| +10% | +$1.6M | 1.97% | 17 |
|
|
2024
Q3 | $18.5M | Buy |
162,848
+737
| +0.5% | +$87.6K | 1.93% | 15 |
|
|
2024
Q2 | $20.1M | Buy |
162,111
+1,064
| +0.7% | +$137K | 2.24% | 9 |
|
|
2024
Q1 | $21.3M | Buy |
161,047
+2,860
| +2% | +$353K | 2.34% | 11 |
|
|
2023
Q4 | $17.2M | Buy |
158,187
+610
| +0.4% | +$63.3K | 2.15% | 13 |
|
|
2023
Q3 | $16.2M | Buy |
157,577
+515
| +0.3% | +$55.5K | 2.18% | 9 |
|
|
2023
Q2 | $18.1M | Sell |
157,062
-2,875
| -2% | -$326K | 2.53% | 5 |
|
|
2023
Q1 | $17M | Sell |
159,937
-17,365
| -10% | -$1.87M | 2.37% | 4 |
|
|
2022
Q4 | $19.7M | Sell |
177,302
-17,486
| -9% | -$1.79M | 2.69% | 4 |
|
|
2022
Q3 | $16.8M | Sell |
194,788
-5,420
| -3% | -$484K | 2.5% | 7 |
|
|
2022
Q2 | $18.3M | Sell |
200,208
-10,000
| -5% | -$887K | 2.66% | 3 |
|
|
2022
Q1 | $17.2M | Sell |
210,208
-13,500
| -6% | -$1.06M | 2.13% | 8 |
|
|
2021
Q4 | $17.1M | Sell |
223,708
-3,400
| -1% | -$271K | 1.98% | 13 |
|
|
2021
Q3 | $17.1M | Buy |
227,108
+1,560
| +0.7% | +$119K | 2.19% | 11 |
|
|
2021
Q2 | $17.5M | Sell |
225,548
-15,280
| -6% | -$1.14M | 2.21% | 11 |
|
|
2021
Q1 | $17.7M | Buy |
240,828
+9,170
| +4% | +$676K | 2.27% | 9 |
|
|
2020
Q4 | $18.1M | Buy |
231,658
+62,094
| +37% | +$4.75M | 2.25% | 9 |
|
|
2020
Q3 | $13.4M | Buy |
169,564
+6,550
| +4% | +$513K | 2.02% | 10 |
|
|
2020
Q2 | $12M | Sell |
163,014
-11,633
| -7% | -$876K | 2.09% | 10 |
|
|
2020
Q1 | $12.8M | Buy |
174,647
+17,501
| +11% | +$1.38M | 2.42% | 6 |
|
|
2019
Q4 | $13.6M | Buy |
157,146
+1,258
| +0.8% | +$103K | 1.91% | 9 |
|
|
2019
Q3 | $12.5M | Sell |
155,888
-22,846
| -13% | -$1.83M | 1.83% | 13 |
|
|
2019
Q2 | $14.3M | Buy |
178,734
+419
| +0.2% | +$32.1K | 1.96% | 10 |
|
|
2019
Q1 | $14.2M | Sell |
178,315
-18,550
| -9% | -$1.39M | 2.15% | 7 |
|
|
2018
Q4 | $14.4M | Buy |
196,865
+524
| +0.3% | +$37K | 2.24% | 6 |
|
|
2018
Q3 | $13.3M | Buy |
196,341
+2,515
| +1% | +$160K | 1.83% | 8 |
|
|
2018
Q2 | $11.2M | Buy |
193,826
+15,616
| +9% | +$881K | 1.57% | 10 |
|
|
2018
Q1 | $9.26M | Sell |
178,210
-2,935
| -2% | -$159K | 1.35% | 20 |
|
|
2017
Q4 | $9.73M | Buy |
181,145
+11,843
| +7% | +$657K | 1.42% | 22 |
|
|
2017
Q3 | $10.3M | Buy |
169,302
+21,798
| +15% | +$1.32M | 1.57% | 17 |
|
|
2017
Q2 | $9.02M | Buy |
147,504
+43,492
| +42% | +$2.65M | 1.42% | 21 |
|
|
2017
Q1 | $6.31M | Sell |
104,012
-314
| -0.3% | -$19.1K | 0.96% | 42 |
|
|
2016
Q4 | $5.86M | Buy |
104,326
+42,444
| +69% | +$2.48M | 0.87% | 47 |
|
|
2016
Q3 | $3.69M | Sell |
61,882
-31,755
| -34% | -$1.86M | 0.59% | 66 |
|
|
2016
Q2 | $5.15M | Sell |
93,637
-50,199
| -35% | -$2.67M | 0.87% | 48 |
|
|
2016
Q1 | $7.26M | Buy |
143,836
+4,716
| +3% | +$231K | 1.25% | 22 |
|
|
2015
Q4 | $7.01M | Sell |
139,120
-108,468
| -44% | -$5.47M | 1.25% | 25 |
|
|
2015
Q3 | $11.7M | Sell |
247,588
-10,794
| -4% | -$573K | 1.68% | 9 |
|
|
2015
Q2 | $14M | Sell |
258,382
-335,360
| -56% | -$18.8M | 1.66% | 14 |
|
|
2015
Q1 | $32.6M | Buy |
593,742
+3,039
| +0.5% | +$172K | 2.45% | 5 |
|
|
2014
Q4 | $32M | Sell |
590,703
-114,337
| -16% | -$6.37M | 2.43% | 3 |
|
|
2014
Q3 | $39.9M | Sell |
705,040
-1,153
| -0.2% | -$64.7K | 2.19% | 5 |
|
|
2014
Q2 | $39M | Sell |
706,193
-1,886
| -0.3% | -$103K | 1.87% | 7 |
|
|
2014
Q1 | $38.4M | Sell |
708,079
-23,790
| -3% | -$1.23M | 1.83% | 6 |
|
|
2013
Q4 | $35M | Buy |
731,869
+520,804
| +247% | +$23.8M | 1.56% | 10 |
|
|
2013
Q3 | $9.59M | Buy |
211,065
+61,832
| +41% | +$2.82M | 0.44% | 84 |
|
|
2013
Q2 | $6.62M | Buy |
+149,233
| New | +$6.67M | 0.33% | 90 |
|
Other funds holding MRK
Prospector Partners's MRK Position: Q4 2025 in Review
Prospector Partners sold out of Merck (MRK) in Q4 2025, closing a stake of 157,282 shares — an estimated $13.2M sold.
Prospector Partners first reported a position in MRK in Q2 2013 and held it in 50 quarters. The position peaked at $39.9M in Q3 2014. 3,652 funds tracked by Wall St. Rank hold MRK as of Q4 2025.
- Prospector Partners reported no remaining Merck position as of Q4 2025 after selling out during the quarter.
- Prospector Partners sold 157,282 Merck shares in Q4 2025, an estimated $13.2M.
- Prospector Partners first reported a position in Merck in Q2 2013 and held it in 50 quarters.
- Prospector Partners's Merck position peaked at $39.9M in Q3 2014.
- 3,652 funds tracked by Wall St. Rank held Merck as of Q4 2025.
Based on Prospector Partners's 13F filing for Q4 2025, filed 13 Feb 2026.