MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 58,555 Value ($000) $4,275 Avg Close $74.39 Range $65.04 - $85.33

Q3 2025

Shares 54,109 Value ($000) $4,188 Avg Close $62.18 Range $49.54 - $78.75

Q2 2025

Shares 72,924 Value ($000) $3,928 Avg Close $48.71 Range $39.89 - $54.32

Q1 2025

Shares 91,496 Value ($000) $3,943 Avg Close $43.80 Range $39.42 - $52.25

Q4 2024

Shares 117,973 Value ($000) $4,955 Avg Close $38.14 Range $32.32 - $44.63

Q3 2024

Shares 75,440 Value ($000) $2,791 Avg Close $35.20 Range $27.01 - $42.72

Q2 2024

Shares 205,949 Value ($000) $5,559 Avg Close $29.17 Range $26.48 - $32.86

Q1 2024

Shares 232,640 Value ($000) $6,863 Avg Close $30.13 Range $25.31 - $37.26

Q4 2023

Shares 73,723 Value ($000) $2,696 Avg Close $36.10 Range $31.04 - $39.59

Q3 2023

Shares 100,175 Value ($000) $3,715 Avg Close $36.89 Range $32.26 - $40.95

Q2 2023

Shares 124,046 Value ($000) $4,291 Avg Close $42.71 Range $28.90 - $52.95

Q1 2023

Shares 89,635 Value ($000) $4,582 Avg Close $50.53 Range $44.14 - $59.13

Q4 2022

Shares 160,022 Value ($000) $7,159 Avg Close $47.30 Range $40.89 - $53.66

Q3 2022

Shares 226,501 Value ($000) $9,196 Avg Close $52.40 Range $40.48 - $65.00

Q2 2022

Shares 367,819 Value ($000) $23,662 Avg Close $59.66 Range $53.76 - $68.08

Q1 2022

Shares 499,983 Value ($000) $32,223 Avg Close $59.38 Range $49.79 - $72.28

Q4 2021

Shares 791,182 Value ($000) $43,563 Avg Close $50.65 Range $46.44 - $56.45

Q3 2021

Shares 904,109 Value ($000) $42,873 Avg Close $55.58 Range $44.44 - $67.98

Q2 2021

Shares 311,333 Value ($000) $20,636 Avg Close $69.11 Range $52.40 - $79.45

Q1 2021

Shares 449,432 Value ($000) $31,752 Avg Close $72.27 Range $59.88 - $88.80

Q4 2020

Shares 122,221 Value ($000) $10,763 Avg Close $75.98 Range $66.00 - $88.96

Q3 2020

Shares 63,488 Value ($000) $4,918 Avg Close $75.86 Range $66.33 - $83.18

Q2 2020

Shares 88,271 Value ($000) $6,943 Avg Close $81.87 Range $65.87 - $96.29

Q1 2020

Shares 93,908 Value ($000) $6,699 Avg Close $75.77 Range $52.24 - $87.57

Q4 2019

Shares 249,703 Value ($000) $17,257 Avg Close $72.04 Range $67.70 - $82.13

Q3 2019

Shares 130,230 Value ($000) $10,571 Avg Close $79.00 Range $67.40 - $89.44

Q2 2019

Shares 244,609 Value ($000) $17,208 Avg Close $69.39 Range $63.39 - $79.83

Q1 2019

Shares 220,056 Value ($000) $14,101 Avg Close $57.65 Range $43.01 - $67.85

Q4 2018

Shares 162,740 Value ($000) $7,696 Avg Close $48.76 Range $41.16 - $55.82

Q3 2018

Shares 192,975 Value ($000) $10,675 Avg Close $48.40 Range $37.55 - $57.26

Q2 2018

Shares 122,955 Value ($000) $4,680 Avg Close $38.70 Range $30.11 - $49.35

Q1 2018

Shares 183,525 Value ($000) $8,868 Avg Close $47.69 Range $41.64 - $52.59

Q4 2017

Shares 356,220 Value ($000) $18,292 Avg Close $51.31 Range $47.69 - $55.00

Q3 2017

Shares 365,313 Value ($000) $18,952 Avg Close $46.11 Range $39.96 - $52.00

Q2 2017

Shares 329,434 Value ($000) $13,866 Avg Close $39.30 Range $36.09 - $43.15

Q1 2017

Shares 224,192 Value ($000) $8,755 Avg Close $35.55 Range $29.31 - $40.86

Q4 2016

Shares 388,711 Value ($000) $11,747 Avg Close $28.41 Range $22.31 - $32.75

Q3 2016

Shares 423,993 Value ($000) $10,418 Avg Close $24.01 Range $21.52 - $26.37

Q2 2016

Shares 455,930 Value ($000) $11,334 Avg Close $21.50 Range $18.98 - $24.87

Q1 2016

Shares 484,886 Value ($000) $9,843 Avg Close $17.48 Range $15.67 - $20.85

Q4 2015

Shares 483,470 Value ($000) $8,876 Avg Close $18.12 Range $15.52 - $19.99

Q3 2015

Shares 457,062 Value ($000) $7,272 Avg Close $15.14 Range $13.56 - $16.44

Q2 2015

Shares 435,977 Value ($000) $6,382 Avg Close $14.53 Range $13.37 - $15.94

Q1 2015

Shares 473,353 Value ($000) $7,361 Avg Close $15.78 Range $12.76 - $17.59

Q4 2014

Shares 273,976 Value ($000) $3,814 Avg Close $12.81 Range $10.61 - $14.43

Q3 2014

Shares 213,148 Value ($000) $2,347 Avg Close $11.25 Range $10.47 - $12.34

Q2 2014

Shares 210,861 Value ($000) $2,391 Avg Close $12.49 Range $11.09 - $14.40

Q1 2014

Shares 148,334 Value ($000) $1,959 Avg Close $11.36 Range $10.25 - $13.40

Q4 2013

Shares 89,119 Value ($000) $976 Avg Close $10.00 Range $8.42 - $11.22

Q3 2013

Shares 39,275 Value ($000) $392 Avg Close $9.48 Range $8.48 - $10.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,555	$4,275	$74.39	$65.04 - $85.33
Q3 2025	54,109	$4,188	$62.18	$49.54 - $78.75
Q2 2025	72,924	$3,928	$48.71	$39.89 - $54.32
Q1 2025	91,496	$3,943	$43.80	$39.42 - $52.25
Q4 2024	117,973	$4,955	$38.14	$32.32 - $44.63
Q3 2024	75,440	$2,791	$35.20	$27.01 - $42.72
Q2 2024	205,949	$5,559	$29.17	$26.48 - $32.86
Q1 2024	232,640	$6,863	$30.13	$25.31 - $37.26
Q4 2023	73,723	$2,696	$36.10	$31.04 - $39.59
Q3 2023	100,175	$3,715	$36.89	$32.26 - $40.95
Q2 2023	124,046	$4,291	$42.71	$28.90 - $52.95
Q1 2023	89,635	$4,582	$50.53	$44.14 - $59.13
Q4 2022	160,022	$7,159	$47.30	$40.89 - $53.66
Q3 2022	226,501	$9,196	$52.40	$40.48 - $65.00
Q2 2022	367,819	$23,662	$59.66	$53.76 - $68.08
Q1 2022	499,983	$32,223	$59.38	$49.79 - $72.28
Q4 2021	791,182	$43,563	$50.65	$46.44 - $56.45
Q3 2021	904,109	$42,873	$55.58	$44.44 - $67.98
Q2 2021	311,333	$20,636	$69.11	$52.40 - $79.45
Q1 2021	449,432	$31,752	$72.27	$59.88 - $88.80
Q4 2020	122,221	$10,763	$75.98	$66.00 - $88.96
Q3 2020	63,488	$4,918	$75.86	$66.33 - $83.18
Q2 2020	88,271	$6,943	$81.87	$65.87 - $96.29
Q1 2020	93,908	$6,699	$75.77	$52.24 - $87.57
Q4 2019	249,703	$17,257	$72.04	$67.70 - $82.13
Q3 2019	130,230	$10,571	$79.00	$67.40 - $89.44
Q2 2019	244,609	$17,208	$69.39	$63.39 - $79.83
Q1 2019	220,056	$14,101	$57.65	$43.01 - $67.85
Q4 2018	162,740	$7,696	$48.76	$41.16 - $55.82
Q3 2018	192,975	$10,675	$48.40	$37.55 - $57.26
Q2 2018	122,955	$4,680	$38.70	$30.11 - $49.35
Q1 2018	183,525	$8,868	$47.69	$41.64 - $52.59
Q4 2017	356,220	$18,292	$51.31	$47.69 - $55.00
Q3 2017	365,313	$18,952	$46.11	$39.96 - $52.00
Q2 2017	329,434	$13,866	$39.30	$36.09 - $43.15
Q1 2017	224,192	$8,755	$35.55	$29.31 - $40.86
Q4 2016	388,711	$11,747	$28.41	$22.31 - $32.75
Q3 2016	423,993	$10,418	$24.01	$21.52 - $26.37
Q2 2016	455,930	$11,334	$21.50	$18.98 - $24.87
Q1 2016	484,886	$9,843	$17.48	$15.67 - $20.85
Q4 2015	483,470	$8,876	$18.12	$15.52 - $19.99
Q3 2015	457,062	$7,272	$15.14	$13.56 - $16.44
Q2 2015	435,977	$6,382	$14.53	$13.37 - $15.94
Q1 2015	473,353	$7,361	$15.78	$12.76 - $17.59
Q4 2014	273,976	$3,814	$12.81	$10.61 - $14.43
Q3 2014	213,148	$2,347	$11.25	$10.47 - $12.34
Q2 2014	210,861	$2,391	$12.49	$11.09 - $14.40
Q1 2014	148,334	$1,959	$11.36	$10.25 - $13.40
Q4 2013	89,119	$976	$10.00	$8.42 - $11.22
Q3 2013	39,275	$392	$9.48	$8.48 - $10.47