Citadel Advisors’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 | $766K | Sell |
10,500
-14,100
| -57% | -$1.23M | ﹤0.01% | 8305 |
|
|
2025
Q4 | $1.8M | Sell |
24,600
-3,500
| -12% | -$260K | ﹤0.01% | 6145 |
|
|
2025
Q3 | $2.17M | Sell |
28,100
-6,300
| -18% | -$392K | ﹤0.01% | 5913 |
|
|
2025
Q2 | $1.85M | Sell |
34,400
-11,000
| -24% | -$536K | ﹤0.01% | 5837 |
|
|
2025
Q1 | $1.96M | Buy |
45,400
+19,900
| +78% | +$872K | ﹤0.01% | 5571 |
|
|
2024
Q4 | $1.07M | Sell |
25,500
-8,200
| -24% | -$313K | ﹤0.01% | 6867 |
|
|
2024
Q3 | $1.25M | Hold |
33,700
| – | – | ﹤0.01% | 6406 |
|
|
2024
Q2 | $910K | Sell |
33,700
-4,400
| -12% | -$128K | ﹤0.01% | 6782 |
|
|
2024
Q1 | $1.12M | Buy |
38,100
+2,900
| +8% | +$87.4K | ﹤0.01% | 6691 |
|
|
2023
Q4 | $1.29M | Sell |
35,200
-7,800
| -18% | -$282K | ﹤0.01% | 6180 |
|
|
2023
Q3 | $1.59M | Buy |
43,000
+16,900
| +65% | +$623K | ﹤0.01% | 5637 |
|
|
2023
Q2 | $903K | Buy |
26,100
+14,300
| +121% | +$611K | ﹤0.01% | 6669 |
|
|
2023
Q1 | $603K | Buy |
11,800
+6,800
| +136% | +$344K | ﹤0.01% | 7931 |
|
|
2022
Q4 | $224K | Buy |
+5,000
| New | +$236K | ﹤0.01% | 9916 |
|
|
2022
Q3 | – | Sell |
-18,300
| Closed | -$1.18M | – | 13238 |
|
|
2022
Q2 | $1.18M | Sell |
18,300
-43,900
| -71% | -$2.62M | ﹤0.01% | 6658 |
|
|
2022
Q1 | $4.01M | Buy |
62,200
+4,300
| +7% | +$255K | ﹤0.01% | 4605 |
|
|
2021
Q4 | $3.19M | Buy |
57,900
+26,400
| +84% | +$1.34M | ﹤0.01% | 5216 |
|
|
2021
Q3 | $1.49M | Sell |
31,500
-9,100
| -22% | -$506K | ﹤0.01% | 7087 |
|
|
2021
Q2 | $2.69M | Buy |
40,600
+600
| +2% | +$41.5K | ﹤0.01% | 5875 |
|
|
2021
Q1 | $2.83M | Buy |
40,000
+15,200
| +61% | +$1.1M | ﹤0.01% | 5583 |
|
|
2020
Q4 | $2.18M | Sell |
24,800
-6,900
| -22% | -$524K | ﹤0.01% | 5179 |
|
|
2020
Q3 | $2.46M | Buy |
31,700
+10,400
| +49% | +$789K | ﹤0.01% | 4345 |
|
|
2020
Q2 | $1.68M | Buy |
21,300
+8,500
| +66% | +$696K | ﹤0.01% | 4890 |
|
|
2020
Q1 | $913K | Buy |
12,800
+4,700
| +58% | +$356K | ﹤0.01% | 5506 |
|
|
2019
Q4 | $560K | Sell |
8,100
-9,400
| -54% | -$677K | ﹤0.01% | 6634 |
|
|
2019
Q3 | $1.42M | Buy |
17,500
+7,700
| +79% | +$608K | ﹤0.01% | 5022 |
|
|
2019
Q2 | $689K | Buy |
9,800
+1,300
| +15% | +$90.2K | ﹤0.01% | 6304 |
|
|
2019
Q1 | $545K | Hold |
8,500
| – | – | ﹤0.01% | 6647 |
|
|
2018
Q4 | $402K | Sell |
8,500
-4,400
| -34% | -$215K | ﹤0.01% | 6758 |
|
|
2018
Q3 | $714K | Buy |
12,900
+6,000
| +87% | +$290K | ﹤0.01% | 6125 |
|
|
2018
Q2 | $263K | Buy |
6,900
+1,000
| +17% | +$38.7K | ﹤0.01% | 7432 |
|
|
2018
Q1 | $285K | Buy |
+5,900
| New | +$281K | ﹤0.01% | 6829 |
|
Other funds holding MRCY
JPM
VPM
VCM
CCA
Citadel Advisors's MRCY Position: Q1 2026 in Review
Citadel Advisors increased its Mercury Systems (MRCY) stake by 181% in Q1 2026, buying an estimated $16.4M and bringing the position to 292,866 shares worth $21.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2258.
Citadel Advisors first reported a position in MRCY in Q3 2014 and has held it in 40 quarters since. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.
- Citadel Advisors held 292,866 shares of Mercury Systems worth $21.4M as of Q1 2026.
- Citadel Advisors bought 188,490 Mercury Systems shares in Q1 2026, an estimated $16.4M.
- Mercury Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2258 holding.
- Citadel Advisors first reported a position in Mercury Systems in Q3 2014 and has held it in 40 quarters since.
- 357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.