Thornburg Investment Management’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 | $449M | Hold |
3,728,673
| – | – | 4.66% | 6 |
|
|
2025
Q4 | $392M | Buy |
3,728,673
+208,042
| +6% | +$19.5M | 4.95% | 4 |
|
|
2025
Q3 | $295M | Sell |
3,520,631
-1,209,010
| -26% | -$99.6M | 3.85% | 5 |
|
|
2025
Q2 | $374M | Buy |
4,729,641
+1,642,835
| +53% | +$131M | 4.82% | 4 |
|
|
2025
Q1 | $2.77B | Buy |
3,086,806
+1,210,422
| +65% | +$113M | 3.87% | 4 |
|
|
2024
Q4 | $187M | Hold |
1,876,384
| – | – | 2.47% | 8 |
|
|
2024
Q3 | $213M | Buy |
1,876,384
+5,140
| +0.3% | +$611K | 2.77% | 7 |
|
|
2024
Q2 | $232M | Hold |
1,871,244
| – | – | 3.26% | 6 |
|
|
2024
Q1 | $247M | Sell |
1,871,244
-144,337
| -7% | -$17.8M | 3.44% | 6 |
|
|
2023
Q4 | $220M | Sell |
2,015,581
-530
| -0% | -$55K | 3.17% | 8 |
|
|
2023
Q3 | $208M | Buy |
2,016,111
+529,646
| +36% | +$57.1M | 3.41% | 7 |
|
|
2023
Q2 | $172M | Sell |
1,486,465
-21,801
| -1% | -$2.48M | 2.78% | 9 |
|
|
2023
Q1 | $160M | Sell |
1,508,266
-51,828
| -3% | -$5.6M | 2.65% | 8 |
|
|
2022
Q4 | $173M | Sell |
1,560,094
-30,286
| -2% | -$3.1M | 2.93% | 8 |
|
|
2022
Q3 | $137M | Sell |
1,590,380
-246,820
| -13% | -$22M | 2.43% | 11 |
|
|
2022
Q2 | $167M | Sell |
1,837,200
-604,721
| -25% | -$53.6M | 2.57% | 8 |
|
|
2022
Q1 | $200M | Buy |
2,441,921
+150,028
| +7% | +$11.8M | 2.63% | 9 |
|
|
2021
Q4 | $176M | Buy |
2,291,893
+66,304
| +3% | +$5.28M | 2.06% | 13 |
|
|
2021
Q3 | $167M | Buy |
2,225,589
+174,395
| +9% | +$13.3M | 2.05% | 12 |
|
|
2021
Q2 | $160M | Buy |
2,051,194
+135,686
| +7% | +$10.1M | 1.83% | 14 |
|
|
2021
Q1 | $141M | Buy |
1,915,508
+30,492
| +2% | +$2.25M | 1.64% | 15 |
|
|
2020
Q4 | $147M | Sell |
1,885,016
-324,706
| -15% | -$24.8M | 1.75% | 14 |
|
|
2020
Q3 | $175M | Sell |
2,209,722
-319,299
| -13% | -$25M | 2.31% | 11 |
|
|
2020
Q2 | $187M | Sell |
2,529,021
-1,363,713
| -35% | -$103M | 2.4% | 11 |
|
|
2020
Q1 | $286M | Buy |
3,892,734
+66,884
| +2% | +$5.26M | 4.09% | 6 |
|
|
2019
Q4 | $332M | Hold |
3,825,850
| – | – | 3.19% | 7 |
|
|
2019
Q3 | $307M | Hold |
3,825,850
| – | – | 2.96% | 7 |
|
|
2019
Q2 | $306M | Hold |
3,825,850
| – | – | 2.94% | 7 |
|
|
2019
Q1 | $304M | Sell |
3,825,850
-373,474
| -9% | -$27.9M | 2.94% | 6 |
|
|
2018
Q4 | $306M | Sell |
4,199,324
-383,568
| -8% | -$27.1M | 3% | 6 |
|
|
2018
Q3 | $310M | Hold |
4,582,892
| – | – | 2.59% | 7 |
|
|
2018
Q2 | $265M | Sell |
4,582,892
-287,842
| -6% | -$16.2M | 2.02% | 11 |
|
|
2018
Q1 | $253M | Sell |
4,870,734
-46,177
| -0.9% | -$2.49M | 1.91% | 10 |
|
|
2017
Q4 | $264M | Hold |
4,916,911
| – | – | 1.84% | 10 |
|
|
2017
Q3 | $300M | Buy |
4,916,911
+1,488
| +0% | +$90.2K | 2.15% | 5 |
|
|
2017
Q2 | $301M | Buy |
4,915,423
+840
| +0% | +$51.1K | 2.29% | 5 |
|
|
2017
Q1 | $298M | Sell |
4,914,583
-236,878
| -5% | -$14.4M | 2.42% | 6 |
|
|
2016
Q4 | $289M | Sell |
5,151,461
-241,145
| -4% | -$14.1M | 2.23% | 6 |
|
|
2016
Q3 | $321M | Hold |
5,392,606
| – | – | 2.45% | 6 |
|
|
2016
Q2 | $296M | Hold |
5,392,606
| – | – | 2.29% | 7 |
|
|
2016
Q1 | $272M | Buy |
5,392,606
+452,466
| +9% | +$22.2M | 1.82% | 10 |
|
|
2015
Q4 | $249M | Buy |
4,940,140
+2,131,213
| +76% | +$107M | 1.58% | 10 |
|
|
2015
Q3 | $132M | Buy |
+2,808,927
| New | +$149M | 0.83% | 41 |
|
|
2013
Q3 | – | Sell |
-735,360
| Closed | -$32.6M | – | 293 |
|
|
2013
Q2 | $32.6M | Buy |
+735,360
| New | +$32.8M | 0.15% | 134 |
|
Other funds holding MRK
VCM
VPM
Thornburg Investment Management's MRK Position: Q1 2026 in Review
Thornburg Investment Management held its Merck (MRK) position steady in Q1 2026 at 3,728,673 shares worth $449M. The position accounts for 4.66% of the portfolio, ranked #6.
Thornburg Investment Management first reported a position in MRK in Q2 2013 and has held it in 44 quarters since. The position peaked at $2.77B in Q1 2025. 3,788 funds tracked by Wall St. Rank hold MRK as of Q1 2026.
- Thornburg Investment Management held 3,728,673 shares of Merck worth $449M as of Q1 2026.
- Thornburg Investment Management left its Merck share count unchanged in Q1 2026.
- Merck made up 4.66% of Thornburg Investment Management's portfolio in Q1 2026, its #6 holding.
- Thornburg Investment Management first reported a position in Merck in Q2 2013 and has held it in 44 quarters since.
- Thornburg Investment Management's Merck position peaked at $2.77B in Q1 2025.
- 3,788 funds tracked by Wall St. Rank held Merck as of Q1 2026.
Based on Thornburg Investment Management's 13F filing for Q1 2026, filed 12 May 2026.