Millennium Management’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 | $1.17M | Buy |
+16,011
| New | +$1.39M | ﹤0.01% | 4278 |
|
|
2025
Q4 | – | Sell |
-22,350
| Closed | -$1.73M | – | 6296 |
|
|
2025
Q3 | $1.73M | Sell |
22,350
-486,068
| -96% | -$30.2M | ﹤0.01% | 4193 |
|
|
2025
Q2 | $27.4M | Sell |
508,418
-175,586
| -26% | -$8.55M | 0.01% | 1281 |
|
|
2025
Q1 | $29.5M | Sell |
684,004
-339,504
| -33% | -$14.9M | 0.02% | 1165 |
|
|
2024
Q4 | $43M | Buy |
1,023,508
+677,894
| +196% | +$25.9M | 0.02% | 884 |
|
|
2024
Q3 | $12.8M | Buy |
+345,614
| New | +$12.2M | 0.01% | 1973 |
|
|
2024
Q2 | – | Sell |
-63,992
| Closed | -$1.89M | – | 6299 |
|
|
2024
Q1 | $1.89M | Buy |
63,992
+26,301
| +70% | +$792K | ﹤0.01% | 3793 |
|
|
2023
Q4 | $1.38M | Sell |
37,691
-58,378
| -61% | -$2.11M | ﹤0.01% | 3904 |
|
|
2023
Q3 | $3.56M | Buy |
96,069
+53,165
| +124% | +$1.96M | ﹤0.01% | 3033 |
|
|
2023
Q2 | $1.48M | Sell |
42,904
-73,284
| -63% | -$3.13M | ﹤0.01% | 3728 |
|
|
2023
Q1 | $5.94M | Sell |
116,188
-132,327
| -53% | -$6.69M | ﹤0.01% | 2452 |
|
|
2022
Q4 | $11.1M | Buy |
248,515
+141,417
| +132% | +$6.69M | 0.01% | 2022 |
|
|
2022
Q3 | $4.35M | Buy |
107,098
+38,658
| +56% | +$2.03M | ﹤0.01% | 3030 |
|
|
2022
Q2 | $4.4M | Sell |
68,440
-197,646
| -74% | -$11.8M | ﹤0.01% | 2938 |
|
|
2022
Q1 | $17.1M | Sell |
266,086
-152,831
| -36% | -$9.08M | 0.01% | 1553 |
|
|
2021
Q4 | $23.1M | Buy |
418,917
+145,684
| +53% | +$7.38M | 0.01% | 1306 |
|
|
2021
Q3 | $13M | Buy |
273,233
+34,362
| +14% | +$1.91M | 0.01% | 1745 |
|
|
2021
Q2 | $15.8M | Buy |
238,871
+54,787
| +30% | +$3.79M | 0.01% | 1427 |
|
|
2021
Q1 | $13M | Buy |
184,084
+180,634
| +5,236% | +$13.1M | 0.01% | 1511 |
|
|
2020
Q4 | $304K | Sell |
3,450
-71,855
| -95% | -$5.46M | ﹤0.01% | 4541 |
|
|
2020
Q3 | $5.83K | Sell |
75,305
-30,166
| -29% | -$2.29M | 0.01% | 1693 |
|
|
2020
Q2 | $8.3M | Buy |
+105,471
| New | +$8.63M | 0.01% | 1350 |
|
|
2020
Q1 | – | Sell |
-23,620
| Closed | -$1.63M | – | 4254 |
|
|
2019
Q4 | $1.63M | Buy |
23,620
+17,233
| +270% | +$1.24M | ﹤0.01% | 2734 |
|
|
2019
Q3 | $518K | Buy |
+6,387
| New | +$505K | ﹤0.01% | 3236 |
|
|
2019
Q2 | – | Sell |
-82,071
| Closed | -$5.26M | – | 4323 |
|
|
2019
Q1 | $5.26M | Buy |
82,071
+33,390
| +69% | +$1.93M | 0.01% | 1721 |
|
|
2018
Q4 | $2.3M | Buy |
48,681
+43,711
| +879% | +$2.13M | ﹤0.01% | 2114 |
|
|
2018
Q3 | $275K | Buy |
+4,970
| New | +$241K | ﹤0.01% | 3518 |
|
|
2018
Q1 | – | Sell |
-175,961
| Closed | -$9.04M | – | 3921 |
|
|
2017
Q4 | $9.04M | Buy |
175,961
+154,629
| +725% | +$7.93M | 0.01% | 1391 |
|
|
2017
Q3 | $1.11M | Buy |
21,332
+881
| +4% | +$40.6K | ﹤0.01% | 2461 |
|
|
2017
Q2 | $861K | Buy |
+20,451
| New | +$804K | ﹤0.01% | 2522 |
|
|
2016
Q2 | – | Sell |
-176,611
| Closed | -$3.58M | – | 3424 |
|
|
2016
Q1 | $3.58M | Sell |
176,611
-21,349
| -11% | -$373K | 0.01% | 1441 |
|
|
2015
Q4 | $3.63M | Buy |
197,960
+30,095
| +18% | +$545K | 0.01% | 1575 |
|
|
2015
Q3 | $2.67M | Buy |
167,865
+73,209
| +77% | +$1.11M | 0.01% | 1721 |
|
|
2015
Q2 | $1.39M | Sell |
94,656
-185,495
| -66% | -$2.7M | ﹤0.01% | 2110 |
|
|
2015
Q1 | $4.36M | Buy |
280,151
+174,298
| +165% | +$2.75M | 0.01% | 1486 |
|
|
2014
Q4 | $1.47M | Buy |
105,853
+11,771
| +13% | +$151K | ﹤0.01% | 2212 |
|
|
2014
Q3 | $1.04M | Buy |
94,082
+39,027
| +71% | +$439K | ﹤0.01% | 2283 |
|
|
2014
Q2 | $624K | Buy |
55,055
+42,885
| +352% | +$535K | ﹤0.01% | 2467 |
|
|
2014
Q1 | $161K | Buy |
12,170
+181
| +2% | +$2.06K | ﹤0.01% | 3238 |
|
|
2013
Q4 | $131K | Buy |
11,989
+1,863
| +18% | +$18.6K | ﹤0.01% | 3312 |
|
|
2013
Q3 | $101K | Buy |
+10,126
| New | +$96K | ﹤0.01% | 3188 |
|
Other funds holding MRCY
JPM
VPM
VCM
CCA
Millennium Management's MRCY Position: Q1 2026 in Review
Millennium Management opened a new position in Mercury Systems (MRCY) in Q1 2026: 16,011 shares worth $1.17M. The stake represents ﹤0.01% of the portfolio and ranks #4278 among its holdings. This is a return to the name: Millennium Management previously reported a position in MRCY as recently as Q3 2025.
Millennium Management first reported a position in MRCY in Q3 2013 and has held it in 41 quarters since. The position peaked at $43M in Q4 2024. 356 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.
- Millennium Management held 16,011 shares of Mercury Systems worth $1.17M as of Q1 2026.
- Mercury Systems was a new Millennium Management position in Q1 2026.
- Mercury Systems made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4278 holding.
- Millennium Management first reported a position in Mercury Systems in Q3 2013 and has held it in 41 quarters since.
- Millennium Management's Mercury Systems position peaked at $43M in Q4 2024.
- 356 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.
Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.