State of Wisconsin Investment Board’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 | $164M | Buy |
1,366,001
+71,905
| +6% | +$8.3M | 0.38% | 40 |
|
|
2025
Q4 | $136M | Sell |
1,294,096
-106,714
| -8% | -$10M | 0.3% | 47 |
|
|
2025
Q3 | $118M | Sell |
1,400,810
-83,226
| -6% | -$6.85M | 0.27% | 57 |
|
|
2025
Q2 | $117M | Sell |
1,484,036
-69,719
| -4% | -$5.54M | 0.29% | 55 |
|
|
2025
Q1 | $139M | Buy |
1,553,755
+53,834
| +4% | +$5.03M | 0.36% | 40 |
|
|
2024
Q4 | $149M | Sell |
1,499,921
-90,291
| -6% | -$9.31M | 0.38% | 35 |
|
|
2024
Q3 | $181M | Buy |
1,590,212
+142,531
| +10% | +$16.9M | 0.45% | 28 |
|
|
2024
Q2 | $179M | Sell |
1,447,681
-8,952
| -0.6% | -$1.15M | 0.47% | 28 |
|
|
2024
Q1 | $192M | Buy |
1,456,633
+39,534
| +3% | +$4.87M | 0.51% | 29 |
|
|
2023
Q4 | $154M | Sell |
1,417,099
-20,803
| -1% | -$2.16M | 0.44% | 39 |
|
|
2023
Q3 | $148M | Sell |
1,437,902
-177,048
| -11% | -$19.1M | 0.46% | 32 |
|
|
2023
Q2 | $186M | Sell |
1,614,950
-27,992
| -2% | -$3.18M | 0.52% | 25 |
|
|
2023
Q1 | $175M | Buy |
1,642,942
+157,455
| +11% | +$17M | 0.52% | 26 |
|
|
2022
Q4 | $165M | Buy |
1,485,487
+49,567
| +3% | +$5.07M | 0.53% | 29 |
|
|
2022
Q3 | $124M | Sell |
1,435,920
-395,757
| -22% | -$35.3M | 0.39% | 38 |
|
|
2022
Q2 | $167M | Sell |
1,831,677
-70,893
| -4% | -$6.28M | 0.44% | 31 |
|
|
2022
Q1 | $156M | Sell |
1,902,570
-431,638
| -18% | -$34M | 0.32% | 51 |
|
|
2021
Q4 | $179M | Buy |
2,334,208
+19,679
| +0.9% | +$1.57M | 0.35% | 49 |
|
|
2021
Q3 | $174M | Buy |
2,314,529
+85,333
| +4% | +$6.49M | 0.36% | 41 |
|
|
2021
Q2 | $173M | Sell |
2,229,196
-31,016
| -1% | -$2.31M | 0.36% | 43 |
|
|
2021
Q1 | $166M | Buy |
2,260,212
+198,729
| +10% | +$14.7M | 0.35% | 48 |
|
|
2020
Q4 | $161M | Buy |
2,061,483
+33,339
| +2% | +$2.55M | 0.37% | 45 |
|
|
2020
Q3 | $161M | Sell |
2,028,144
-74,722
| -4% | -$5.85M | 0.4% | 38 |
|
|
2020
Q2 | $155M | Sell |
2,102,866
-141,935
| -6% | -$10.7M | 0.43% | 39 |
|
|
2020
Q1 | $165M | Buy |
2,244,801
+159,832
| +8% | +$12.6M | 0.55% | 23 |
|
|
2019
Q4 | $181M | Sell |
2,084,969
-691,617
| -25% | -$56.8M | 0.45% | 36 |
|
|
2019
Q3 | $223M | Sell |
2,776,586
-136,315
| -5% | -$10.9M | 0.62% | 29 |
|
|
2019
Q2 | $233M | Sell |
2,912,901
-447,445
| -13% | -$34.3M | 0.65% | 24 |
|
|
2019
Q1 | $267M | Buy |
3,360,346
+52,171
| +2% | +$3.9M | 0.76% | 21 |
|
|
2018
Q4 | $241M | Buy |
3,308,175
+205,675
| +7% | +$14.5M | 0.79% | 23 |
|
|
2018
Q3 | $210M | Sell |
3,102,500
-163,294
| -5% | -$10.4M | 0.58% | 29 |
|
|
2018
Q2 | $189M | Sell |
3,265,794
-316,567
| -9% | -$17.9M | 0.54% | 30 |
|
|
2018
Q1 | $186M | Sell |
3,582,361
-133,753
| -4% | -$7.22M | 0.54% | 31 |
|
|
2017
Q4 | $200M | Buy |
3,716,114
+158,670
| +4% | +$8.8M | 0.55% | 32 |
|
|
2017
Q3 | $217M | Sell |
3,557,444
-678,565
| -16% | -$41.1M | 0.64% | 24 |
|
|
2017
Q2 | $259M | Buy |
4,236,009
+750,347
| +22% | +$45.7M | 0.84% | 17 |
|
|
2017
Q1 | $211M | Buy |
3,485,662
+557,540
| +19% | +$33.8M | 0.82% | 17 |
|
|
2016
Q4 | $164M | Sell |
2,928,122
-803,108
| -22% | -$47M | 0.71% | 23 |
|
|
2016
Q3 | $222M | Buy |
3,731,230
+53,029
| +1% | +$3.1M | 0.87% | 16 |
|
|
2016
Q2 | $202M | Sell |
3,678,201
-202,380
| -5% | -$10.8M | 0.82% | 18 |
|
|
2016
Q1 | $196M | Sell |
3,880,581
-305,858
| -7% | -$15M | 0.77% | 18 |
|
|
2015
Q4 | $211M | Buy |
4,186,439
+331,996
| +9% | +$16.7M | 0.81% | 17 |
|
|
2015
Q3 | $182M | Sell |
3,854,443
-108,657
| -3% | -$5.77M | 0.7% | 21 |
|
|
2015
Q2 | $215M | Buy |
3,963,100
+588,808
| +17% | +$33M | 0.75% | 16 |
|
|
2015
Q1 | $185M | Sell |
3,374,292
-168,466
| -5% | -$9.54M | 0.64% | 21 |
|
|
2014
Q4 | $192M | Sell |
3,542,758
-168,109
| -5% | -$9.37M | 0.66% | 19 |
|
|
2014
Q3 | $210M | Sell |
3,710,867
-262,975
| -7% | -$14.8M | 0.76% | 15 |
|
|
2014
Q2 | $219M | Buy |
3,973,842
+108,699
| +3% | +$5.93M | 0.79% | 14 |
|
|
2014
Q1 | $209M | Buy |
3,865,143
+107,095
| +3% | +$5.55M | 0.8% | 14 |
|
|
2013
Q4 | $179M | Sell |
3,758,048
-67,596
| -2% | -$3.09M | 0.69% | 18 |
|
|
2013
Q3 | $174M | Sell |
3,825,644
-124,657
| -3% | -$5.69M | 0.72% | 17 |
|
|
2013
Q2 | $175M | Buy |
+3,950,301
| New | +$176M | 0.73% | 17 |
|
Other funds holding MRK
VCM
VPM
State of Wisconsin Investment Board's MRK Position: Q1 2026 in Review
State of Wisconsin Investment Board increased its Merck (MRK) stake by 5.6% in Q1 2026, buying an estimated $8.3M and bringing the position to 1,366,001 shares worth $164M. The position accounts for 0.38% of the portfolio, ranked #40.
State of Wisconsin Investment Board first reported a position in MRK in Q2 2013 and has held it in 52 quarters since. The position peaked at $267M in Q1 2019. 3,788 funds tracked by Wall St. Rank hold MRK as of Q1 2026.
- State of Wisconsin Investment Board held 1,366,001 shares of Merck worth $164M as of Q1 2026.
- State of Wisconsin Investment Board bought 71,905 Merck shares in Q1 2026, an estimated $8.3M.
- Merck made up 0.38% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #40 holding.
- State of Wisconsin Investment Board first reported a position in Merck in Q2 2013 and has held it in 52 quarters since.
- State of Wisconsin Investment Board's Merck position peaked at $267M in Q1 2019.
- 3,788 funds tracked by Wall St. Rank held Merck as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.