MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 142,339 Value ($000) $10,392 Avg Close $74.39 Range $65.04 - $85.33

Q3 2025

Shares 156,605 Value ($000) $12,121 Avg Close $62.18 Range $49.54 - $78.75

Q2 2025

Shares 155,746 Value ($000) $8,388 Avg Close $48.71 Range $39.89 - $54.32

Q1 2025

Shares 154,740 Value ($000) $6,668 Avg Close $43.80 Range $39.42 - $52.25

Q4 2024

Shares 161,495 Value ($000) $6,783 Avg Close $38.14 Range $32.32 - $44.63

Q3 2024

Shares 161,355 Value ($000) $5,970 Avg Close $35.20 Range $27.01 - $42.72

Q2 2024

Shares 167,840 Value ($000) $4,530 Avg Close $29.17 Range $26.48 - $32.86

Q1 2024

Shares 135,173 Value ($000) $3,988 Avg Close $30.13 Range $25.31 - $37.26

Q4 2023

Shares 144,070 Value ($000) $5,269 Avg Close $36.10 Range $31.04 - $39.59

Q3 2023

Shares 136,898 Value ($000) $5,078 Avg Close $36.89 Range $32.26 - $40.95

Q2 2023

Shares 173,898 Value ($000) $6,015 Avg Close $42.71 Range $28.90 - $52.95

Q1 2023

Shares 165,317 Value ($000) $8 Avg Close $50.53 Range $44.14 - $59.13

Q4 2022

Shares 167,020 Value ($000) $7 Avg Close $47.30 Range $40.89 - $53.66

Q3 2022

Shares 169,007 Value ($000) $6,862 Avg Close $52.40 Range $40.48 - $65.00

Q2 2022

Shares 164,538 Value ($000) $10,585 Avg Close $59.66 Range $53.76 - $68.08

Q1 2022

Shares 148,024 Value ($000) $9,540 Avg Close $59.38 Range $49.79 - $72.28

Q4 2021

Shares 149,725 Value ($000) $8,244 Avg Close $50.65 Range $46.44 - $56.45

Q3 2021

Shares 140,215 Value ($000) $6,649 Avg Close $55.58 Range $44.44 - $67.98

Q2 2021

Shares 144,656 Value ($000) $9,588 Avg Close $69.11 Range $52.40 - $79.45

Q1 2021

Shares 146,421 Value ($000) $10,345 Avg Close $72.27 Range $59.88 - $88.80

Q4 2020

Shares 148,061 Value ($000) $13,038 Avg Close $75.98 Range $66.00 - $88.96

Q3 2020

Shares 151,489 Value ($000) $11,734 Avg Close $75.86 Range $66.33 - $83.18

Q2 2020

Shares 155,613 Value ($000) $12,241 Avg Close $81.87 Range $65.87 - $96.29

Q1 2020

Shares 166,241 Value ($000) $11,860 Avg Close $75.77 Range $52.24 - $87.57

Q4 2019

Shares 167,859 Value ($000) $11,601 Avg Close $72.04 Range $67.70 - $82.13

Q3 2019

Shares 161,985 Value ($000) $13,148 Avg Close $79.00 Range $67.40 - $89.44

Q2 2019

Shares 157,575 Value ($000) $11,085 Avg Close $69.39 Range $63.39 - $79.83

Q1 2019

Shares 139,475 Value ($000) $8,938 Avg Close $57.65 Range $43.01 - $67.85

Q4 2018

Shares 138,127 Value ($000) $6,532 Avg Close $48.76 Range $41.16 - $55.82

Q3 2018

Shares 114,136 Value ($000) $6,314 Avg Close $48.40 Range $37.55 - $57.26

Q2 2018

Shares 115,660 Value ($000) $4,402 Avg Close $38.70 Range $30.11 - $49.35

Q1 2018

Shares 112,035 Value ($000) $5,414 Avg Close $47.69 Range $41.64 - $52.59

Q4 2017

Shares 110,379 Value ($000) $5,668 Avg Close $51.31 Range $47.69 - $55.00

Q3 2017

Shares 93,675 Value ($000) $4,860 Avg Close $46.11 Range $39.96 - $52.00

Q2 2017

Shares 90,977 Value ($000) $3,829 Avg Close $39.30 Range $36.09 - $43.15

Q1 2017

Shares 95,133 Value ($000) $3,715 Avg Close $35.55 Range $29.31 - $40.86

Q4 2016

Shares 56,021 Value ($000) $1,693 Avg Close $28.41 Range $22.31 - $32.75

Q3 2016

Shares 55,927 Value ($000) $1,374 Avg Close $24.01 Range $21.52 - $26.37

Q2 2016

Shares 53,382 Value ($000) $1,327 Avg Close $21.50 Range $18.98 - $24.87

Q1 2016

Shares 57,863 Value ($000) $1,175 Avg Close $17.48 Range $15.67 - $20.85

Q4 2015

Shares 52,078 Value ($000) $956 Avg Close $18.12 Range $15.52 - $19.99

Q3 2015

Shares 49,938 Value ($000) $795 Avg Close $15.14 Range $13.56 - $16.44

Q2 2015

Shares 47,457 Value ($000) $695 Avg Close $14.53 Range $13.37 - $15.94

Q1 2015

Shares 47,932 Value ($000) $745 Avg Close $15.78 Range $12.76 - $17.59

Q4 2014

Shares 48,232 Value ($000) $671 Avg Close $12.81 Range $10.61 - $14.43

Q3 2014

Shares 45,357 Value ($000) $499 Avg Close $11.25 Range $10.47 - $12.34

Q2 2014

Shares 44,407 Value ($000) $504 Avg Close $12.49 Range $11.09 - $14.40

Q1 2014

Shares 46,410 Value ($000) $613 Avg Close $11.36 Range $10.25 - $13.40

Q4 2013

Shares 47,980 Value ($000) $525 Avg Close $10.00 Range $8.42 - $11.22

Q3 2013

Shares 51,030 Value ($000) $510 Avg Close $9.48 Range $8.48 - $10.47

Q2 2013

Shares 51,433 Value ($000) $474 Avg Close $8.64 Range $7.13 - $9.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	142,339	$10,392	$74.39	$65.04 - $85.33
Q3 2025	156,605	$12,121	$62.18	$49.54 - $78.75
Q2 2025	155,746	$8,388	$48.71	$39.89 - $54.32
Q1 2025	154,740	$6,668	$43.80	$39.42 - $52.25
Q4 2024	161,495	$6,783	$38.14	$32.32 - $44.63
Q3 2024	161,355	$5,970	$35.20	$27.01 - $42.72
Q2 2024	167,840	$4,530	$29.17	$26.48 - $32.86
Q1 2024	135,173	$3,988	$30.13	$25.31 - $37.26
Q4 2023	144,070	$5,269	$36.10	$31.04 - $39.59
Q3 2023	136,898	$5,078	$36.89	$32.26 - $40.95
Q2 2023	173,898	$6,015	$42.71	$28.90 - $52.95
Q1 2023	165,317	$8	$50.53	$44.14 - $59.13
Q4 2022	167,020	$7	$47.30	$40.89 - $53.66
Q3 2022	169,007	$6,862	$52.40	$40.48 - $65.00
Q2 2022	164,538	$10,585	$59.66	$53.76 - $68.08
Q1 2022	148,024	$9,540	$59.38	$49.79 - $72.28
Q4 2021	149,725	$8,244	$50.65	$46.44 - $56.45
Q3 2021	140,215	$6,649	$55.58	$44.44 - $67.98
Q2 2021	144,656	$9,588	$69.11	$52.40 - $79.45
Q1 2021	146,421	$10,345	$72.27	$59.88 - $88.80
Q4 2020	148,061	$13,038	$75.98	$66.00 - $88.96
Q3 2020	151,489	$11,734	$75.86	$66.33 - $83.18
Q2 2020	155,613	$12,241	$81.87	$65.87 - $96.29
Q1 2020	166,241	$11,860	$75.77	$52.24 - $87.57
Q4 2019	167,859	$11,601	$72.04	$67.70 - $82.13
Q3 2019	161,985	$13,148	$79.00	$67.40 - $89.44
Q2 2019	157,575	$11,085	$69.39	$63.39 - $79.83
Q1 2019	139,475	$8,938	$57.65	$43.01 - $67.85
Q4 2018	138,127	$6,532	$48.76	$41.16 - $55.82
Q3 2018	114,136	$6,314	$48.40	$37.55 - $57.26
Q2 2018	115,660	$4,402	$38.70	$30.11 - $49.35
Q1 2018	112,035	$5,414	$47.69	$41.64 - $52.59
Q4 2017	110,379	$5,668	$51.31	$47.69 - $55.00
Q3 2017	93,675	$4,860	$46.11	$39.96 - $52.00
Q2 2017	90,977	$3,829	$39.30	$36.09 - $43.15
Q1 2017	95,133	$3,715	$35.55	$29.31 - $40.86
Q4 2016	56,021	$1,693	$28.41	$22.31 - $32.75
Q3 2016	55,927	$1,374	$24.01	$21.52 - $26.37
Q2 2016	53,382	$1,327	$21.50	$18.98 - $24.87
Q1 2016	57,863	$1,175	$17.48	$15.67 - $20.85
Q4 2015	52,078	$956	$18.12	$15.52 - $19.99
Q3 2015	49,938	$795	$15.14	$13.56 - $16.44
Q2 2015	47,457	$695	$14.53	$13.37 - $15.94
Q1 2015	47,932	$745	$15.78	$12.76 - $17.59
Q4 2014	48,232	$671	$12.81	$10.61 - $14.43
Q3 2014	45,357	$499	$11.25	$10.47 - $12.34
Q2 2014	44,407	$504	$12.49	$11.09 - $14.40
Q1 2014	46,410	$613	$11.36	$10.25 - $13.40
Q4 2013	47,980	$525	$10.00	$8.42 - $11.22
Q3 2013	51,030	$510	$9.48	$8.48 - $10.47
Q2 2013	51,433	$474	$8.64	$7.13 - $9.67