MERCURY SYSTEMS INC - Common Stock (MRCY)

Historical Holders from Q1 2014 to Q3 2025

Symbol
MRCY on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
60,146,024
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
64,852,076
Holdings value
$5,021,039,251
% of all portfolios
0.006%
Number of holders
319
Number of buys
172
Number of sells
-135
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of MERCURY SYSTEMS INC - Common Stock (MRCY)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 13.3% $429,385,547 7,972,253 BlackRock, Inc. 30 Jun 2025
JANA Partners Management, LP 8.3% -17% $384,420,645 -$77,217,181 4,966,675 -16.7% JANA Partners Management, LP 06 Nov 2025
STATE STREET CORP 5% +2% $148,612,454 +$2,534,464 2,987,185 +1.7% STATE STREET CORPORATION 31 Mar 2025
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 4.2% -46.2% $195,522,694 -$167,923,170 2,526,133 -46.2% WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 30 Sep 2025

Institutional Holders of MERCURY SYSTEMS INC - Common Stock (MRCY)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 64,852,076 $5,021,039,251 +$7,655,785 $77.4 319
2025 Q2 65,052,617 $3,502,859,076 +$105,323,286 $53.86 283
2025 Q1 63,147,239 $2,720,880,477 +$8,775,980 $43.09 250
2024 Q4 63,439,538 $2,664,519,810 +$36,081,845 $42 241
2024 Q3 63,027,047 $2,331,459,720 -$27,828,165 $37 243
2024 Q2 64,646,067 $1,744,804,465 +$67,014,126 $26.99 227
2024 Q1 62,255,672 $1,836,471,127 +$21,788,249 $29.5 219
2023 Q4 60,956,989 $2,231,778,480 +$38,708,210 $36.57 215
2023 Q3 59,786,742 $2,217,503,343 +$116,648,980 $37.09 212
2023 Q2 56,139,370 $1,941,904,900 -$69,057,890 $34.59 226
2023 Q1 57,561,217 $2,942,502,144 -$26,595,282 $51.12 240
2022 Q4 58,356,442 $2,611,599,946 +$50,252,873 $44.74 228
2022 Q3 57,288,655 $2,327,718,534 -$3,452,854 $40.6 219
2022 Q2 56,787,775 $3,651,238,074 -$91,955,080 $64.33 242
2022 Q1 58,454,146 $3,767,454,831 +$98,101,206 $64.45 239
2021 Q4 57,096,688 $3,144,225,287 +$246,658,849 $55.06 240
2021 Q3 52,888,511 $2,509,381,997 -$4,175,927 $47.42 244
2021 Q2 52,344,504 $3,469,365,614 +$23,996,075 $66.28 246
2021 Q1 53,043,167 $3,748,686,698 -$89,475,161 $70.65 275
2020 Q4 53,759,295 $4,732,447,668 -$10,717,008 $88.06 266
2020 Q3 53,993,403 $4,182,578,073 -$284,626 $77.46 272
2020 Q2 53,974,979 $4,245,537,917 -$105,107,970 $78.66 285
2020 Q1 55,274,009 $3,943,878,540 +$121,898,878 $71.34 255
2019 Q4 53,442,016 $3,694,079,812 -$42,971,719 $69.11 265
2019 Q3 53,893,069 $4,373,798,413 +$80,775,444 $81.17 279
2019 Q2 53,257,176 $3,746,583,264 +$528,830,559 $70.35 271
2019 Q1 47,083,612 $3,017,302,230 -$91,675,334 $64.08 239
2018 Q4 48,484,863 $2,293,641,445 -$69,571,507 $47.29 192
2018 Q3 49,835,585 $2,755,587,717 -$81,943,696 $55.32 207
2018 Q2 51,841,377 $1,973,870,082 +$158,977,441 $38.06 192
2018 Q1 47,058,539 $2,275,856,384 +$91,228,453 $48.32 214
2017 Q4 45,195,327 $2,320,718,415 -$72,739,048 $51.35 215
2017 Q3 46,610,196 $2,418,456,928 +$15,203,562 $51.88 209
2017 Q2 46,375,639 $1,949,563,336 -$25,370,557 $42.09 198
2017 Q1 46,860,265 $1,829,596,852 +$574,913,366 $39.05 188
2016 Q4 38,330,173 $1,158,367,353 +$39,206,014 $30.22 177
2016 Q3 37,719,217 $926,796,255 +$15,872,884 $24.57 159
2016 Q2 37,067,783 $921,503,753 +$160,174,361 $24.86 170
2016 Q1 31,078,525 $631,187,652 +$1,011,376 $20.3 159
2015 Q4 31,187,470 $572,672,561 +$5,235,155 $18.36 147
2015 Q3 30,960,317 $492,538,765 +$8,270,851 $15.91 144
2015 Q2 30,485,625 $446,304,137 +$7,969,225 $14.64 131
2015 Q1 29,924,674 $465,165,308 +$3,919,104 $15.55 127
2014 Q4 29,751,577 $414,207,145 +$6,439,761 $13.92 121
2014 Q3 29,471,255 $324,474,970 +$8,060,104 $11.01 120
2014 Q2 28,733,674 $325,762,153 +$5,620,698 $11.34 119
2014 Q1 29,185,174 $385,595,285 +$193,434 $13.21 108