State of Wisconsin Investment Board’s Mercury Systems MRCY Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $5.58M | Buy |
76,505
+20,317
| +36% | +$1.77M | 0.01% | 937 |
|
|
2025
Q4 | $4.1M | Sell |
56,188
-8,374
| -13% | -$623K | 0.01% | 1082 |
|
|
2025
Q3 | $5M | Buy |
64,562
+3,447
| +6% | +$214K | 0.01% | 952 |
|
|
2025
Q2 | $3.29M | Sell |
61,115
-864
| -1% | -$42.1K | 0.01% | 1088 |
|
|
2025
Q1 | $2.67M | Buy |
61,979
+51,324
| +482% | +$2.25M | 0.01% | 1138 |
|
|
2024
Q4 | $448K | Sell |
10,655
-49,425
| -82% | -$1.89M | ﹤0.01% | 1859 |
|
|
2024
Q3 | $2.22M | Sell |
60,080
-7,230
| -11% | -$254K | 0.01% | 1269 |
|
|
2024
Q2 | $1.82M | Sell |
67,310
-329
| -0.5% | -$9.6K | ﹤0.01% | 1338 |
|
|
2024
Q1 | $2M | Sell |
67,639
-41,542
| -38% | -$1.25M | 0.01% | 1248 |
|
|
2023
Q4 | $3.99M | Buy |
109,181
+20,781
| +24% | +$750K | 0.01% | 1057 |
|
|
2023
Q3 | $3.28M | Buy |
88,400
+4,209
| +5% | +$155K | 0.01% | 1099 |
|
|
2023
Q2 | $2.91M | Sell |
84,191
-238
| -0.3% | -$10.2K | 0.01% | 1182 |
|
|
2023
Q1 | $4.32M | Sell |
84,429
-10,242
| -11% | -$518K | 0.01% | 1041 |
|
|
2022
Q4 | $4.24M | Buy |
94,671
+3,151
| +3% | +$149K | 0.01% | 1028 |
|
|
2022
Q3 | $3.72M | Buy |
91,520
+1,352
| +1% | +$70.8K | 0.01% | 1087 |
|
|
2022
Q2 | $5.8M | Sell |
90,168
-8,266
| -8% | -$493K | 0.02% | 929 |
|
|
2022
Q1 | $6.34M | Sell |
98,434
-13,521
| -12% | -$803K | 0.01% | 1037 |
|
|
2021
Q4 | $6.16M | Sell |
111,955
-16,372
| -13% | -$829K | 0.01% | 968 |
|
|
2021
Q3 | $6.08M | Sell |
128,327
-5,567
| -4% | -$309K | 0.01% | 970 |
|
|
2021
Q2 | $8.87M | Sell |
133,894
-10,331
| -7% | -$714K | 0.02% | 823 |
|
|
2021
Q1 | $10.2M | Sell |
144,225
-105
| -0.1% | -$7.59K | 0.02% | 728 |
|
|
2020
Q4 | $12.7M | Sell |
144,330
-17,390
| -11% | -$1.32M | 0.03% | 580 |
|
|
2020
Q3 | $12.5M | Sell |
161,720
-7,570
| -4% | -$574K | 0.03% | 553 |
|
|
2020
Q2 | $13.3M | Sell |
169,290
-46,210
| -21% | -$3.78M | 0.04% | 479 |
|
|
2020
Q1 | $15.4M | Hold |
215,500
| – | – | 0.05% | 376 |
|
|
2019
Q4 | $14.9M | Buy |
215,500
+12,400
| +6% | +$893K | 0.04% | 505 |
|
|
2019
Q3 | $16.5M | Sell |
203,100
-18,900
| -9% | -$1.49M | 0.05% | 423 |
|
|
2019
Q2 | $15.6M | Sell |
222,000
-5,000
| -2% | -$347K | 0.04% | 450 |
|
|
2019
Q1 | $14.5M | Sell |
227,000
-13,000
| -5% | -$750K | 0.04% | 480 |
|
|
2018
Q4 | $11.3M | Hold |
240,000
| – | – | 0.04% | 476 |
|
|
2018
Q3 | $13.3M | Sell |
240,000
-55,000
| -19% | -$2.66M | 0.04% | 510 |
|
|
2018
Q2 | $11.2M | Sell |
295,000
-22,000
| -7% | -$852K | 0.03% | 595 |
|
|
2018
Q1 | $15.3M | Buy |
317,000
+10,000
| +3% | +$477K | 0.04% | 438 |
|
|
2017
Q4 | $15.8M | Sell |
307,000
-8,400
| -3% | -$431K | 0.04% | 432 |
|
|
2017
Q3 | $16.4M | Sell |
315,400
-44,120
| -12% | -$2.03M | 0.05% | 406 |
|
|
2017
Q2 | $15.1M | Sell |
359,520
-30,200
| -8% | -$1.19M | 0.05% | 410 |
|
|
2017
Q1 | $15.2M | Buy |
389,720
+5,000
| +1% | +$178K | 0.06% | 375 |
|
|
2016
Q4 | $11.6M | Sell |
384,720
-94,780
| -20% | -$2.69M | 0.05% | 427 |
|
|
2016
Q3 | $11.8M | Sell |
479,500
-20,000
| -4% | -$480K | 0.05% | 442 |
|
|
2016
Q2 | $12.4M | Hold |
499,500
| – | – | 0.05% | 416 |
|
|
2016
Q1 | $10.1M | Buy |
499,500
+22,000
| +5% | +$385K | 0.04% | 505 |
|
|
2015
Q4 | $8.77M | Sell |
477,500
-20,978
| -4% | -$380K | 0.03% | 550 |
|
|
2015
Q3 | $7.93M | Hold |
498,478
| – | – | 0.03% | 596 |
|
|
2015
Q2 | $7.3M | Hold |
498,478
| – | – | 0.03% | 675 |
|
|
2015
Q1 | $7.75M | Hold |
498,478
| – | – | 0.03% | 658 |
|
|
2014
Q4 | $6.94M | Sell |
498,478
-108,844
| -18% | -$1.39M | 0.02% | 691 |
|
|
2014
Q3 | $6.69M | Hold |
607,322
| – | – | 0.02% | 697 |
|
|
2014
Q2 | $6.89M | Hold |
607,322
| – | – | 0.02% | 706 |
|
|
2014
Q1 | $8.02M | Buy |
607,322
+28,593
| +5% | +$325K | 0.03% | 645 |
|
|
2013
Q4 | $6.34M | Hold |
578,729
| – | – | 0.02% | 718 |
|
|
2013
Q3 | $5.78M | Sell |
578,729
-81,942
| -12% | -$777K | 0.02% | 740 |
|
|
2013
Q2 | $6.09M | Buy |
+660,671
| New | +$5.71M | 0.03% | 718 |
|
Other funds holding MRCY
JPM
VPM
VCM
CCA
State of Wisconsin Investment Board's MRCY Position: Q1 2026 in Review
State of Wisconsin Investment Board increased its Mercury Systems (MRCY) stake by 36% in Q1 2026, buying an estimated $1.77M and bringing the position to 76,505 shares worth $5.58M. The position accounts for 0.01% of the portfolio, ranked #937.
State of Wisconsin Investment Board first reported a position in MRCY in Q2 2013 and has held it in 52 quarters since. The position peaked at $16.5M in Q3 2019. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.
- State of Wisconsin Investment Board held 76,505 shares of Mercury Systems worth $5.58M as of Q1 2026.
- State of Wisconsin Investment Board bought 20,317 Mercury Systems shares in Q1 2026, an estimated $1.77M.
- Mercury Systems made up 0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #937 holding.
- State of Wisconsin Investment Board first reported a position in Mercury Systems in Q2 2013 and has held it in 52 quarters since.
- State of Wisconsin Investment Board's Mercury Systems position peaked at $16.5M in Q3 2019.
- 357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.