SG Americas Securities’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
Q2
$676K Sell
5,530
-9,234
-63% -$880K ﹤0.01% 2146
2026
Q1
$1.08M Sell
14,764
-7,463
-34% -$650K ﹤0.01% 1719
2025
Q4
$1.62M Buy
22,227
+11,123
+100% +$827K ﹤0.01% 1662
2025
Q3
$859K Sell
11,104
-3,815
-26% -$237K ﹤0.01% 1612
2025
Q2
$804K Sell
14,919
-9,585
-39% -$467K ﹤0.01% 1318
2025
Q1
$1.06M Buy
+24,504
New +$1.07M ﹤0.01% 1131
2024
Q3
Sell
-14,864
Closed -$401K 3536
2024
Q2
$401K Buy
+14,864
New +$434K ﹤0.01% 1797
2024
Q1
Sell
-42,506
Closed -$1.55M 3260
2023
Q4
$1.55M Buy
42,506
+13,649
+47% +$493K 0.01% 802
2023
Q3
$1.07M Sell
28,857
-12,783
-31% -$472K 0.01% 1206
2023
Q2
$1.44M Buy
41,640
+9,122
+28% +$390K 0.01% 882
2023
Q1
$1.66M Buy
32,518
+27,028
+492% +$1.37M 0.02% 783
2022
Q4
$246K Sell
5,490
-20,465
-79% -$968K ﹤0.01% 2060
2022
Q3
$1.05M Sell
25,955
-7,354
-22% -$385K 0.01% 980
2022
Q2
$2.14M Sell
33,309
-7,742
-19% -$462K 0.02% 710
2022
Q1
$2.65M Buy
41,051
+13,024
+46% +$773K 0.02% 723
2021
Q4
$1.54M Buy
28,027
+5,355
+24% +$271K 0.01% 1309
2021
Q3
$1.07M Buy
22,672
+12,603
+125% +$700K 0.01% 1854
2021
Q2
$667K Buy
10,069
+1,057
+12% +$73.1K ﹤0.01% 1800
2021
Q1
$637K Sell
9,012
-47,914
-84% -$3.46M ﹤0.01% 1849
2020
Q4
$5.01M Buy
+56,926
New +$4.33M 0.03% 508
2020
Q3
Sell
-27,538
Closed -$2.17M 3171
2020
Q2
$2.17M Sell
27,538
-13,392
-33% -$1.1M 0.02% 781
2020
Q1
$2.92M Buy
40,930
+30,963
+311% +$2.35M 0.03% 610
2019
Q4
$689K Sell
9,967
-2,206
-18% -$159K 0.01% 1531
2019
Q3
$988K Sell
12,173
-27,877
-70% -$2.2M 0.01% 1409
2019
Q2
$2.82M Buy
40,050
+37,887
+1,752% +$2.63M 0.02% 814
2019
Q1
$139K Sell
2,163
-65,421
-97% -$3.77M ﹤0.01% 2835
2018
Q4
$3.2M Buy
+67,584
New +$3.3M 0.03% 572
2018
Q2
Sell
-21,684
Closed -$1.05M 3474
2018
Q1
$1.05M Buy
21,684
+2,272
+12% +$108K 0.01% 1308
2017
Q4
$997K Sell
19,412
-4,743
-20% -$243K 0.01% 1378
2017
Q3
$1.25M Buy
+24,155
New +$1.11M 0.01% 1099
2017
Q1
Sell
-3,646
Closed -$110K 3460
2016
Q4
$110K Sell
3,646
-2,304
-39% -$65.5K ﹤0.01% 2804
2016
Q3
$146K Buy
+5,950
New +$143K ﹤0.01% 2755

Other funds holding MRCY

SG Americas Securities's MRCY Position: Q2 2026 in Review

SG Americas Securities reduced its Mercury Systems (MRCY) stake by 63% in Q2 2026, selling an estimated $880K and leaving 5,530 shares worth $676K. The position accounts for ﹤0.01% of the portfolio, ranked #2146.

SG Americas Securities first reported a position in MRCY in Q3 2016 and has held it in 32 quarters since. The position peaked at $5.01M in Q4 2020. 392 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

  • SG Americas Securities held 5,530 shares of Mercury Systems worth $676K as of Q2 2026.
  • SG Americas Securities sold 9,234 Mercury Systems shares in Q2 2026, an estimated $880K.
  • Mercury Systems made up ﹤0.01% of SG Americas Securities's portfolio in Q2 2026, its #2146 holding.
  • SG Americas Securities first reported a position in Mercury Systems in Q3 2016 and has held it in 32 quarters since.
  • SG Americas Securities's Mercury Systems position peaked at $5.01M in Q4 2020.
  • 392 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on SG Americas Securities's 13F filing for Q2 2026, filed 7 Aug 2026.