Simplex Trading’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 | $685K | Buy |
9,400
+9,000
| +2,250% | +$784K | ﹤0.01% | 2911 |
|
|
2025
Q4 | $29.2K | Hold |
400
| – | – | ﹤0.01% | 6131 |
|
|
2025
Q3 | $30K | Buy |
+400
| New | +$24.9K | ﹤0.01% | 6979 |
|
|
2025
Q2 | – | Sell |
-2,100
| Closed | -$90K | – | 9341 |
|
|
2025
Q1 | $90K | Buy |
2,100
+500
| +31% | +$21.9K | ﹤0.01% | 5165 |
|
|
2024
Q4 | $67K | Sell |
1,600
-300
| -16% | -$11.4K | ﹤0.01% | 5565 |
|
|
2024
Q3 | $70K | Buy |
1,900
+1,400
| +280% | +$49.3K | ﹤0.01% | 5568 |
|
|
2024
Q2 | $13K | Sell |
500
-1,300
| -72% | -$37.9K | ﹤0.01% | 7250 |
|
|
2024
Q1 | $53K | Buy |
1,800
+1,500
| +500% | +$45.2K | ﹤0.01% | 6207 |
|
|
2023
Q4 | $10K | Sell |
300
-100
| -25% | -$3.61K | ﹤0.01% | 7433 |
|
|
2023
Q3 | $14K | Buy |
400
+100
| +33% | +$3.69K | ﹤0.01% | 6930 |
|
|
2023
Q2 | $10K | Sell |
300
-300
| -50% | -$12.8K | ﹤0.01% | 7412 |
|
|
2023
Q1 | $30K | Buy |
600
+300
| +100% | +$15.2K | ﹤0.01% | 6492 |
|
|
2022
Q4 | $13K | Sell |
300
-200
| -40% | -$9.46K | ﹤0.01% | 7296 |
|
|
2022
Q3 | $20K | Sell |
500
-11,700
| -96% | -$613K | ﹤0.01% | 7528 |
|
|
2022
Q2 | $784K | Sell |
12,200
-4,900
| -29% | -$292K | ﹤0.01% | 2901 |
|
|
2022
Q1 | $1.1M | Sell |
17,100
-100
| -0.6% | -$5.94K | ﹤0.01% | 2797 |
|
|
2021
Q4 | $947K | Buy |
17,200
+16,900
| +5,633% | +$856K | ﹤0.01% | 2935 |
|
|
2021
Q3 | $20K | Hold |
300
| – | – | ﹤0.01% | 8445 |
|
|
2021
Q2 | $19K | Buy |
300
+266
| +782% | +$18.4K | ﹤0.01% | 8632 |
|
|
2021
Q1 | $240K | Sell |
34
-16
| -32% | -$1.16K | ﹤0.01% | 4468 |
|
|
2020
Q4 | $440K | Sell |
50
-8
| -14% | -$608 | ﹤0.01% | 3596 |
|
|
2020
Q3 | $449K | Sell |
58
-34
| -37% | -$2.58K | ﹤0.01% | 3131 |
|
|
2020
Q2 | $723K | Buy |
92
+79
| +608% | +$6.47K | ﹤0.01% | 2455 |
|
|
2020
Q1 | $92K | Sell |
13
-24
| -65% | -$1.82K | ﹤0.01% | 4465 |
|
|
2019
Q4 | $255K | Sell |
37
-3
| -8% | -$216 | ﹤0.01% | 3500 |
|
|
2019
Q3 | $324K | Buy |
40
+20
| +100% | +$1.58K | ﹤0.01% | 3090 |
|
|
2019
Q2 | $140K | Sell |
20
-12
| -38% | -$833 | ﹤0.01% | 3844 |
|
|
2019
Q1 | $205K | Sell |
32
-69
| -68% | -$3.98K | ﹤0.01% | 3583 |
|
|
2018
Q4 | $477K | Buy |
101
+80
| +381% | +$3.9K | ﹤0.01% | 2281 |
|
|
2018
Q3 | $116K | Sell |
21
-32
| -60% | -$1.55K | ﹤0.01% | 4278 |
|
|
2018
Q2 | $201K | Sell |
53
-209
| -80% | -$8.09K | ﹤0.01% | 3482 |
|
|
2018
Q1 | $18K | Buy |
262
+242
| +1,210% | +$11.5K | ﹤0.01% | 3470 |
|
|
2017
Q4 | $3K | Buy |
20
+1
| +5% | +$51 | ﹤0.01% | 4928 |
|
|
2017
Q3 | $1K | Buy |
+19
| New | +$876 | ﹤0.01% | 5499 |
|
Other funds holding MRCY
JPM
VPM
VCM
CCA
Simplex Trading's MRCY Position: Q1 2026 in Review
Simplex Trading opened a new position in Mercury Systems (MRCY) in Q1 2026: 1,294 shares worth $94.3K. The stake represents ﹤0.01% of the portfolio and ranks #5154 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MRCY as recently as Q3 2025.
Simplex Trading first reported a position in MRCY in Q3 2015 and has held it in 31 quarters since. The position peaked at $669K in Q2 2019. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.
- Simplex Trading held 1,294 shares of Mercury Systems worth $94.3K as of Q1 2026.
- Mercury Systems was a new Simplex Trading position in Q1 2026.
- Mercury Systems made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #5154 holding.
- Simplex Trading first reported a position in Mercury Systems in Q3 2015 and has held it in 31 quarters since.
- Simplex Trading's Mercury Systems position peaked at $669K in Q2 2019.
- 356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.
Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.