Security key
589378108
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 63,439,538
- Total 13F value
- $2,664,519,810
- Share change
- +552,499
- Put/Call ratio
- 48%
- SEC-reported price per share
- $42.00
- Number of holders
- 241
- Value change
- +$36,081,845
- Number of buys
- 105
- Number of sells
- 113
- Shares outstanding
- 60,158,713
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2024
Institutions
241
Top holders
10
MRCY full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
MERCURY SYSTEMS INC SEC filings
MERCURY SYSTEMS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 589378108
Recent filing periods:
Ownership snapshot
Top reported holders of MRCY - MERCURY SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
0/15
Latest evidence
30 Sep 2024
13F
3/4/5
Highest disclosed value: $321,004,304
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. has the largest disclosed position value at $321M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock, Inc.
$321M
WILLIAM BLAIR INVESTMENT MANAGEME...
$270.08M
JANA Partners Management, LP
$256.84M
VANGUARD GROUP INC
$203.84M
JANA PARTNERS LLC
$173.84M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$321,004,304
8,675,792 shares
|
— | 30 Sep 2024 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$270,081,944
7,299,512 shares
|
— | 30 Sep 2024 |
| JANA Partners Management, LP |
13F
Company
|
—
denominator unverified
|
$256,837,905
6,941,565 shares
|
— | 30 Sep 2024 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$203,843,582
5,509,286 shares
|
— | 30 Sep 2024 |
| JANA PARTNERS LLC |
3/4/5
Director, Other*
|
—
denominator unverified
|
$173,843,076
4,711,386 shares
|
— | 18 Aug 2023 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$118,342,058
3,198,434 shares
|
— | 30 Sep 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
241
Shares
63,439,538
Rows available
241
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
243
Q4 2024 holders
241
Holder diff
-2
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend