Mercury Systems Inc
MRCY- Exchange
- Nasdaq
- Industry
- Electronic Components & Accessories
- SEC CIK
- 0001049521
In the last 90 days, Mercury Systems Inc insiders filed 0 open-market purchases and 16 sales; 392 institutions reported holding it in 13F filings for Q2 2026, worth $8.01B in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Mercury Systems Inc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 219
- +4 vs. Q3 2023
- Shares held
- 61.0M
- +1.18M (+2.0%) vs. Q3 2023
- Total value
- $2.23B
- +$14.3M (+0.6%) vs. Q3 2023
- New holders
- 29
- 85 more added
- Sold out
- 25
- 75 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRCY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 392 | $8.01B |
| Q1 2026 | 357 | $4.75B |
| Q4 2025 | 347 | $4.72B |
| Q3 2025 | 326 | $5.02B |
| Q2 2025 | 285 | $3.50B |
| Q1 2025 | 253 | $2.72B |
| Q4 2024 | 243 | $2.66B |
| Q3 2024 | 245 | $2.33B |
| Q2 2024 | 232 | $1.75B |
| Q1 2024 | 222 | $1.84B |
| Q4 2023 | 219 | $2.23B |
| Q3 2023 | 217 | $2.22B |
| Q2 2023 | 236 | $1.95B |
| Q1 2023 | 245 | $2.94B |
| Q4 2022 | 236 | $2.61B |
| Q3 2022 | 235 | $2.33B |
| Q2 2022 | 254 | $3.65B |
| Q1 2022 | 253 | $3.77B |
| Q4 2021 | 252 | $3.14B |
| Q3 2021 | 251 | $2.51B |
| Q2 2021 | 255 | $3.48B |
| Q1 2021 | 282 | $3.75B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,487,149 | $273.8M | 0.01% | +293,875+4.1% | Added |
| William Blair Investment Management, LLC | 6,556,772 | $239.8M | 0.70% | −192,790−2.9% | Reduced |
| Vanguard Group Inc | 5,669,352 | $207.3M | 0.00% | +53,387+1.0% | Added |
| JANA Partners Management, LP | 5,211,135 | $190.6M | 12.30% | +505,886+10.8% | Added |
| State Street Corp | 3,536,048 | $129.3M | 0.01% | +487,051+16.0% | Added |
| Conestoga Capital Advisors, LLC | 2,450,459 | $89.6M | 1.34% | +288,973+13.4% | Added |
| Starboard Value LPSuperinvestorStarboard Value | 2,145,000 | $78.4M | 1.64% | −163,800−7.1% | Reduced |
| Dimensional Fund Advisors LP | 1,974,504 | $72.2M | 0.02% | +325,549+19.7% | Added |
| Bamco Inc | 1,893,154 | $69.2M | 0.18% | +218,918+13.1% | Added |
| Victory Capital Management Inc | 1,800,182 | $65.8M | 0.07% | +27,488+1.6% | Added |
| Westwood Holdings Group Inc. | 1,354,566 | $49.5M | 0.42% | +8,603+0.6% | Added |
| Segall Bryant & Hamill, LLC | 1,288,150 | $47.1M | 0.91% | +23,994+1.9% | Added |
| Manufacturers Life Insurance Company, The | 913,498 | $33.4M | 0.02% | +89,416+10.9% | Added |
| Royal Bank of Canada | 890,700 | $32.6M | 0.01% | +2,835+0.3% | Added |
| Snyder Capital Management L P | 807,257 | $32.0M | 0.72% | −243,176−23.2% | Reduced |
| Geode Capital Management, LLC | 838,215 | $30.7M | 0.00% | +46,300+5.8% | Added |
| Bank of New York Mellon Corp | 766,758 | $28.0M | 0.01% | −18,096−2.3% | Reduced |
| Cooper Creek Partners Management LLC | 630,856 | $23.1M | 1.21% | −240,080−27.6% | Reduced |
| Neuberger Berman Group LLC | 589,111 | $21.6M | 0.02% | −2,286−0.4% | Reduced |
| American Century Companies Inc | 559,978 | $20.5M | 0.01% | +67,199+13.6% | Added |
| Aristotle Capital Boston, LLC | 541,195 | $19.8M | 0.60% | +13,129+2.5% | Added |
| Invesco Ltd. | 526,228 | $19.2M | 0.00% | +72,369+15.9% | Added |
| Sasco Capital Inc | 508,850 | $18.6M | 2.18% | +499,665+5,440.0% | Added |
| WCM Investment Management, LLC | 448,803 | $16.5M | 0.05% | +12,982+3.0% | Added |
| Ameriprise Financial Inc | 448,595 | $16.4M | 0.00% | +23,689+5.6% | Added |
| Charles Schwab Investment Management Inc | 433,971 | $15.9M | 0.00% | +23,586+5.7% | Added |
| FMR LLC | 410,991 | $15.0M | 0.00% | −812−0.2% | Reduced |
| Marshall Wace, LLP | 397,024 | $14.5M | 0.03% | +123,452+45.1% | Added |
| Nuveen Asset Management, LLC | 366,884 | $13.4M | 0.00% | −1,052−0.3% | Reduced |
| Norges Bank | 363,518 | $13.3M | 0.00% | −103,052−22.1% | Reduced |
| Clearline Capital LP | 342,221 | $12.5M | 1.40% | +52,742+18.2% | Added |
| Northern Trust Corp | 342,108 | $12.5M | 0.00% | +28,026+8.9% | Added |
| Staley Capital Advisers Inc | 326,531 | $11.9M | 0.59% | +38,461+13.4% | Added |
| Mesirow Institutional Investment Management, Inc. | 326,467 | $11.9M | 1.12% | +49,110+17.7% | Added |
| Morgan Stanley | 301,615 | $11.0M | 0.00% | −40,896−11.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 291,200 | $10.6M | 0.04% | +30,700+11.8% | Added |
| Cambiar Investors LLC | 278,450 | $10.2M | 0.40% | +6,570+2.4% | Added |
| Two Sigma Investments, LP | 269,517 | $9.86M | 0.02% | −3,338−1.2% | Reduced |
| Principal Financial Group Inc | 268,622 | $9.82M | 0.01% | −3,563−1.3% | Reduced |
| Crestline Management, LP | 267,437 | $9.78M | 0.91% | +8,892+3.4% | Added |
| Loomis Sayles & Co L P | 260,303 | $9.52M | 0.01% | +259,908+65,799.5% | Added |
| Royce & Associates LP | 208,718 | $7.63M | 0.07% | +7,900+3.9% | Added |
| Comerica Bank | 206,676 | $7.56M | 0.03% | +1,865+0.9% | Added |
| Nomura Holdings Inc | 171,149 | $6.26M | 0.06% | +171,149 | New |
| SEI Investments Co | 170,824 | $6.25M | 0.01% | +7,427+4.5% | Added |
| Guggenheim Capital LLC | 163,934 | $6.00M | 0.05% | −120−0.1% | Reduced |
| 13D Management LLC | 160,986 | $5.89M | 3.46% | −38,283−19.2% | Reduced |
| Legal & General Group Plc | 159,303 | $5.83M | 0.00% | +3,104+2.0% | Added |
| Rhumbline Advisers | 144,070 | $5.27M | 0.01% | +7,172+5.2% | Added |
| Fred Alger Management, LLC | 139,084 | $5.09M | 0.03% | −18,796−11.9% | Reduced |
| Two Sigma Advisers, LP | 132,200 | $4.83M | 0.01% | +95,500+260.2% | Added |
| Jane Street Group, LLC | 127,118 | $4.65M | 0.01% | +71,490+128.5% | Added |
| Blair William & Co | 122,884 | $4.49M | 0.02% | −7,723−5.9% | Reduced |
| Credit Suisse AG | 111,038 | $4.06M | 0.00% | +14,292+14.8% | Added |
| State of Wisconsin Investment Board | 109,181 | $3.99M | 0.01% | +20,781+23.5% | Added |
| Public Sector Pension Investment Board | 108,245 | $3.96M | 0.03% | +45,011+71.2% | Added |
| Raymond James & Associates | 107,168 | $3.92M | 0.00% | −8,821−7.6% | Reduced |
| Swiss National Bank | 105,000 | $3.84M | 0.00% | −10,100−8.8% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 99,618 | $3.64M | 0.02% | +99,618 | New |
| King Luther Capital Management Corp | 99,126 | $3.63M | 0.02% | −30,061−23.3% | Reduced |
| LaFleur & Godfrey LLC | 91,820 | $3.36M | 0.50% | +91,820 | New |
| Redwood Investment Management, LLC | 87,782 | $3.21M | 0.29% | +1,084+1.3% | Added |
| Citigroup Inc | 83,076 | $3.04M | 0.00% | +17,795+27.3% | Added |
| BNP Paribas Arbitrage, SA | 81,841 | $2.99M | 0.01% | +59,879+272.6% | Added |
| California Public Employees Retirement System | 78,648 | $2.88M | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 76,501 | $2.80M | 0.03% | −2,943−3.7% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 76,501 | $2.80M | 0.04% | +9,552+14.3% | Added |
| Public Employees Retirement System of Ohio | 75,743 | $2.77M | 0.01% | +3,437+4.8% | Added |
| State of New Jersey Common Pension Fund D | 75,241 | $2.75M | 0.01% | +12,166+19.3% | Added |
| Castleark Management LLC | 73,820 | $2.70M | 0.12% | +73,820 | New |
| D. E. Shaw & Co., Inc. | 73,723 | $2.70M | 0.00% | −26,452−26.4% | Reduced |
| Goldman Sachs Group Inc | 72,245 | $2.64M | 0.00% | −34,356−32.2% | Reduced |
| Tudor Investment Corp Et Al | 64,161 | $2.35M | 0.03% | −53,056−45.3% | Reduced |
| UBS Asset Management Americas Inc | 61,878 | $2.26M | 0.00% | +2,844+4.8% | Added |
| New York State Teachers Retirement System | 61,611 | $2.25M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 60,989 | $2.23M | 0.00% | −47,857−44.0% | Reduced |
| Voloridge Investment Management, LLC | 60,331 | $2.21M | 0.01% | +60,331 | New |
| Prudential Financial Inc | 58,628 | $2.14M | 0.00% | −253−0.4% | Reduced |
| California State Teachers Retirement System | 56,376 | $2.06M | 0.00% | −968−1.7% | Reduced |
| State Board of Administration of Florida Retirement System | 51,413 | $1.88M | 0.00% | +68+0.1% | Added |
| Wellington Management Group LLP | 46,903 | $1.72M | 0.00% | +1,251+2.7% | Added |
| Jump Financial, LLC | 46,574 | $1.70M | 0.05% | −27,152−36.8% | Reduced |
| Thrivent Financial for Lutherans | 46,482 | $1.70M | 0.00% | −362−0.8% | Reduced |
| Cerity Partners LLC | 45,395 | $1.66M | 0.01% | +45,395 | New |
| Texas Permanent School Fund | 45,063 | $1.65M | 0.01% | +1,572+3.6% | Added |
| M&T Bank Corp | 42,714 | $1.56M | 0.01% | −295−0.7% | Reduced |
| SG Americas Securities, LLC | 42,506 | $1.55M | 0.02% | +13,649+47.3% | Added |
| Great West Life Assurance Co | 41,863 | $1.53M | 0.00% | −3,448−7.6% | Reduced |
| Holocene Advisors, LP | 40,294 | $1.47M | 0.01% | −472−1.2% | Reduced |
| Needham Investment Management LLC | 40,000 | $1.46M | 0.18% | +15,000+60.0% | Added |
| Oppenheimer & Co Inc | 38,560 | $1.41M | 0.03% | −1,539−3.8% | Reduced |
| Ironwood Investment Management LLC | 38,089 | $1.39M | 0.73% | −434−1.1% | Reduced |
| LPL Financial LLC | 37,715 | $1.38M | 0.00% | −818−2.1% | Reduced |
| Millennium Management LLC | 37,691 | $1.38M | 0.00% | −58,378−60.8% | Reduced |
| New York State Common Retirement Fund | 36,000 | $1.32M | 0.00% | −6,793−15.9% | Reduced |
| Zions Bancorporation, N.A. | 35,713 | $1.31M | 0.09% | +1,091+3.2% | Added |
| Camelot Portfolios, LLC | 35,298 | $1.29M | 0.76% | −174−0.5% | Reduced |
| JPMorgan Chase & Co | 33,572 | $1.23M | 0.00% | +4,524+15.6% | Added |
| Price T Rowe Associates Inc | 32,266 | $1.18M | 0.00% | +1,591+5.2% | Added |
| State of Alaska, Department of Revenue | 32,091 | $1.17M | 0.01% | +208+0.7% | Added |