MERCURY SYSTEMS INC (MRCY) Institutional Ownership Changes & 13F Activity
MERCURY SYSTEMS INC (MRCY). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q3 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Jana Partners Management, Lp, State Street Corp, Invesco Ltd., T. Rowe Price Investment Management, Inc., and Goldman Sachs Group Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Versant Capital Management, Inc | Buy | +30 | +7.4% | 433 | $35.94K | Q3 2026 | Oct 02, 2026 |
| Cim Investment Management Inc | Sell | -9,589 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 29, 2026 |
| Envestnet Asset Management Inc | Sell | -32,150 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 23, 2026 |
| State Street Corp | Sell | -3,418,290 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -31,820 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Sell | -168 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 04, 2026 |
| Cornerstone Financial Management Llc | Sell | -11 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Sell | -11,338 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -62,374 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Sell | -3,111 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 19, 2026 |
| Beacon Pointe Advisors, Llc | Sell | -3,037 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 18, 2026 |
| Fulcrum Asset Management Llp | Sell | -52 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 18, 2026 |
| Centaurus Financial, Inc. | Sell | -3,390 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 17, 2026 |
| Empowered Funds, Llc | Sell | -1,905 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 17, 2026 |
| Public Employees Retirement System Of Ohio | Sell | -353 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 17, 2026 |
| Jana Partners Management, Lp | Sell | -3,958,849 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Invesco Ltd. | Sell | -2,669,450 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Sell | -1,595,711 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -1,575,727 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Sell | -1,285,569 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Sell | -775,502 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Van Eck Associates Corp | Sell | -762,994 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Sell | -715,977 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Loomis Sayles & Co L P | Sell | -681,142 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Lord, Abbett & Co. Llc | Sell | -661,714 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Sell | -627,581 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Bamco Inc | Sell | -606,919 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Kennedy Capital Management Llc | Sell | -591,802 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Sell | -515,292 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Sell | -499,207 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
Frequently asked questions about MRCY activity
Which institutional owners are buying MRCY?
Institutional owners buying MRCY include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MRCY activity?
"Buy" means an investor increased their reported position in MRCY compared to the prior reporting period. This reflects growing exposure to MERCURY SYSTEMS INC (MRCY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MRCY increasing?
Institutional interest in MRCY can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MRCY Institutional Insights
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- MRCY Top Institutional Shareholders
- Industrials Sector Institutional Ownership
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- MRCY Insider Trading & SEC Form 4 Activity
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