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Mercury System (MRCY)
NASDAQ
$109.58-$2.18 (-1.95%)
Price as of Jun 23, 2026 7:23 PM EDT- $6.7BMarket Cap
- 115.63%1-Year Change
- Aerospace & DefenseIndustry
Mercury System (MRCY)
$109.58-$2.18 (-1.95%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 14.86% | 8.9M | +308,687 (+3.46%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 14.69% | 8.8M | +145,124 (+1.65%) | Dec 31, 2024 |
BLACKROCK INC. | 14.67% | 8.8M | +1.4M (+15.93%) | Jun 30, 2024 |
VANGUARD GROUP INC | 9.38% | 5.6M | -98,984 (-1.76%) | Dec 31, 2025 |
JANA PARTNERS LLC | 7.32% | 4.4M | +2.4M (+54.64%) | Jun 30, 2023 |
JANA PARTNERS MANAGEMENT, LP | 6.84% | 4.1M | -852,057 (-20.74%) | Mar 31, 2026 |
STATE STREET CORP | 6.44% | 3.9M | +442,119 (+11.44%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
iSHARES TRUST | 10.17% | 6.1M | +10,428 (+0.17%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 7.08% | 4.2M | +60,111 (+1.41%) | Mar 31, 2026 |
SPDR SERIES TRUST | 4.29% | 2.6M | +402,188 (+15.63%) | Mar 31, 2026 |
VANGUARD EXPLORER FUND | 2.48% | 1.5M | 0 (0.00%) | Jan 31, 2026 |
JANUS INVESTMENT FUND | 1.91% | 1.1M | 0 (0.00%) | Mar 31, 2026 |
CONESTOGA FUNDS | 1.79% | 1.1M | -230,970 (-21.54%) | Mar 31, 2026 |
UNDISCOVERED MANAGERS FUNDS | 1.67% | 1.0M | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions1.1B (72.15%)
- Mutual Funds415.3M (26.97%)
- Insiders13.7M (0.89%)
- Other0 (0.00%)
Insider Transactions
- 0.89% (13.7M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 8Number of InsiderSelling (last 12 months)
- $2.2BAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Ratner Steven EVP, CHRO | Award | Mar 16, 2026 | $0.00 | 437 | $0.00 | 34,238 |
JANA Partners Management, LP | Sell | Mar 04, 2026 | $9.0M | 100,899 | $89.68 | 4.1M |
JANA Partners Management, LP | Sell | Mar 03, 2026 | $15.2M | 168,648 | $90.12 | 4.2M |
JANA Partners Management, LP | Sell | Mar 02, 2026 | $17.2M | 182,510 | $94.05 | 4.4M |
LANCE HOWARD L | Sell | Feb 25, 2026 | $429,959.57 | 4,832 | $88.98 | 27,272 |
Munro Douglas SVP, CAO | Sell | Feb 17, 2026 | $48,629.24 | 582 | $83.56 | 14,328 |
KUPINSKY STUART EVP, CLO & Corp Sec | Sell | Feb 17, 2026 | $191,091.20 | 2,287 | $83.56 | 68,010 |
JANA Partners Management, LP | Sell | Feb 09, 2026 | $32.4M | 400,000 | $81.00 | 4.6M |
Nearhos Barry R | Award | Jan 15, 2026 | $0.00 | 474 | $0.00 | 31,079 |
Plunkett Debora A | Sell | Nov 07, 2025 | $125,784.02 | 1,700 | $73.99 | 16,833 |
JANA Partners Management, LP | Sell | Nov 06, 2025 | $75.5M | 1.0M | $75.45 | 5.0M |
Carvalho Orlando D | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 59,448 |
LANCE HOWARD L | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 32,104 |
Nearhos Barry R | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 30,605 |
BUA JEAN A | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 7,815 |
DEMURO GERARD J | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 17,481 |
DISBROW LISA S | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 31,236 |
JANA Partners Management, LP | Award | Oct 22, 2025 | $0.00 | 2,362 | $0.00 | 6.0M |
Munro Douglas VP, CAO | Sell | Sep 16, 2025 | $4,918.08 | 67 | $73.40 | 16,007 |
Ratner Steven EVP, CHRO | Sell | Aug 20, 2025 | $446,312.30 | 7,000 | $63.76 | 33,801 |
Ballhaus William L Chairman, President & CEO | Sell | Aug 19, 2025 | $841,255.20 | 13,050 | $64.46 | 374,976 |
Farnsworth David E. EVP, CFO | Sell | Aug 19, 2025 | $488,121.41 | 7,572 | $64.46 | 161,326 |
Ratner Steven EVP, CHRO | Sell | Aug 19, 2025 | $111,845.04 | 1,735 | $64.46 | 40,801 |
KUPINSKY STUART EVP, CLO & Corp Sec | Sell | Aug 19, 2025 | $78,646.08 | 1,220 | $64.46 | 70,297 |
Farnsworth David E. EVP, CFO | Sell | Aug 18, 2025 | $488,163.13 | 7,339 | $66.52 | 168,898 |
Ratner Steven EVP, CHRO | Sell | Aug 18, 2025 | $111,813.90 | 1,681 | $66.52 | 42,536 |
Ballhaus William L Chairman, President & CEO | Sell | Aug 18, 2025 | $691,436.94 | 10,395 | $66.52 | 388,026 |
KUPINSKY STUART EVP, CLO & Corp Sec | Sell | Aug 18, 2025 | $78,622.27 | 1,182 | $66.52 | 71,517 |
Ballhaus William L Chairman, President & CEO | Award | Aug 15, 2025 | $0.00 | 44,940 | $0.00 | 398,421 |
KUPINSKY STUART EVP, CLO & Corp Sec | Award | Aug 15, 2025 | $0.00 | 9,865 | $0.00 | 72,699 |