MERCURY SYS INC (MRCY): Institutional Ownership
Hedge funds and institutional managers reporting a position in MRCY · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
21
13F filers
Aggregate Value
$430.2M
Across holders
Last Price
$109.38
2026-06-26
Sector
Industrials
GICS
Holder activity11 new4 added5 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| JANA Partners Management, LP CIK 0001998597 | Hedge Fund | 4.11M | $299.5M | 69.6% | 18.6% | Reduced | $-62.1M | Q1 2026 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 980K | $71.5M | 16.6% | 0.0% | Added | +$8.7M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 162K | $11.8M | 2.7% | 0.0% | Added | +$867K | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 145K | $10.6M | 2.5% | 0.0% | Reduced | $-3.4M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 111K | $8.1M | 1.9% | 0.0% | Added | +$4.4M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 111K | $8.1M | 1.9% | 0.0% | Added | +$6.3M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 69K | $5.1M | 1.2% | 0.0% | New | — | Q4 2025 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 95K | $3.5M | 0.8% | 0.0% | New | — | Q3 2023 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 39K | $2.9M | 0.7% | 0.0% | New | — | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 37K | $2.7M | 0.6% | 0.0% | New | — | Q4 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 23K | $1.2M | 0.3% | 0.0% | New | — | Q2 2025 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 15K | $1.1M | 0.3% | 0.0% | New | — | Q4 2025 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 15K | $1.1M | 0.3% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 13K | $1.0M | 0.2% | 0.0% | New | — | Q3 2025 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 7K | $527K | 0.1% | 0.0% | New | — | Q3 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 19K | $500K | 0.1% | 0.0% | New | — | Q2 2024 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 7K | $497K | 0.1% | 0.0% | Reduced | $-2.3M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 8K | $429K | 0.1% | 0.0% | New | — | Q2 2025 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 2K | $163K | 0.0% | 0.0% | Reduced | $-77K | Q1 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 135 | $10K | 0.0% | 0.0% | Unchanged | +$0 | Q1 2026 |
Reduced
Hedge Fund
$299.5M· 69.6% of total· 18.6% port· 4.11M sh· $-62.1M QoQ· Q1 2026
Added
Institutional Manager
$71.5M· 16.6% of total· 0.0% port· 980K sh· +$8.7M QoQ· Q1 2026
Added
Hedge Fund
$11.8M· 2.7% of total· 0.0% port· 162K sh· +$867K QoQ· Q1 2026
Reduced
Hedge Fund
$10.6M· 2.5% of total· 0.0% port· 145K sh· $-3.4M QoQ· Q1 2026
Added
Hedge Fund
$8.1M· 1.9% of total· 0.0% port· 111K sh· +$4.4M QoQ· Q1 2026
Added
Hedge Fund
$8.1M· 1.9% of total· 0.0% port· 111K sh· +$6.3M QoQ· Q1 2026
New
Hedge Fund
$5.1M· 1.2% of total· 0.0% port· 69K sh· — QoQ· Q4 2025
New
Hedge Fund
$3.5M· 0.8% of total· 0.0% port· 95K sh· — QoQ· Q3 2023
New
Hedge Fund
$2.9M· 0.7% of total· 0.0% port· 39K sh· — QoQ· Q1 2026
New
Hedge Fund
$2.7M· 0.6% of total· 0.0% port· 37K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.2M· 0.3% of total· 0.0% port· 23K sh· — QoQ· Q2 2025
New
Hedge Fund
$1.1M· 0.3% of total· 0.0% port· 15K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.1M· 0.3% of total· 0.0% port· 15K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.0M· 0.2% of total· 0.0% port· 13K sh· — QoQ· Q3 2025
New
Hedge Fund
$527K· 0.1% of total· 0.0% port· 7K sh· — QoQ· Q3 2025
New
Hedge Fund
$500K· 0.1% of total· 0.0% port· 19K sh· — QoQ· Q2 2024
Reduced
Hedge Fund
$497K· 0.1% of total· 0.0% port· 7K sh· $-2.3M QoQ· Q1 2026
New
Hedge Fund
$429K· 0.1% of total· 0.0% port· 8K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$163K· 0.0% of total· 0.0% port· 2K sh· $-77K QoQ· Q1 2026
Unchanged
Hedge Fund
$10K· 0.0% of total· 0.0% port· 135 sh· +$0 QoQ· Q1 2026
Reduced
Hedge Fund
$568· 0.0% of total· 0.0% port· 8 sh· $-639 QoQ· Q1 2026
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