What does CUSIP 589378108 represent in this 13F holders report?

CUSIP 589378108 is the security identifier for MRCY - MERCURY SYSTEMS INC - Common Stock used to aggregate holder disclosures.

How many institutions held MRCY - MERCURY SYSTEMS INC - Common Stock in Q2 2015?

131 institutional investors reported MRCY - MERCURY SYSTEMS INC - Common Stock for Q2 2015. Use the holders table for investor-level position and value details.

MERCURY SYSTEMS INC - Common Stock (MRCY)

CUSIP: 589378108

Q2 2015 13F Holders as of 30 Jun 2015

Type / Class: Equity / Common Stock
Shares outstanding: 59,632,145
Total 13F shares: 30,485,625
Share change: +560,781
Total reported value: $446,304,137
Price per share: $14.64
Number of holders: 131
Value change: +$7,969,225
Number of buys: 67
Number of sells: 44

Quarterly Holders Quick Answers

What is CUSIP 589378108?
CUSIP 589378108 identifies MRCY - MERCURY SYSTEMS INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2015
Previous quarter: Q1 2015

Recent filing periods for CUSIP 589378108:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MRCY - MERCURY SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	4.2%	2,529,329	$39,331,000	—	31 Mar 2015	13F
ROYCE & ASSOCIATES LP	13F	Company	4.2%	2,485,388	$38,648,000	—	31 Mar 2015	13F
VANGUARD GROUP INC	13F	Company	3.8%	2,276,730	$35,404,000	—	31 Mar 2015	13F
BlackRock Fund Advisors	13F	Company	3.3%	1,978,539	$30,766,000	—	31 Mar 2015	13F
Trigran Investments, Inc.	13F	Company	3%	1,767,706	$27,487,000	—	31 Mar 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.8%	1,644,140	$25,567,000	—	31 Mar 2015	13F
Neuberger Berman Group LLC	13F	Company	2.5%	1,462,094	$22,736,000	—	31 Mar 2015	13F
KILLEN GROUP INC	13F	Company	1.6%	981,968	$15,270,000	—	31 Mar 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.6%	963,206	$14,978,000	—	31 Mar 2015	13F
Michael R. Murphy	13F	Individual	1.5%	896,208	$13,936,000	—	31 Mar 2015	13F
RUTABAGA CAPITAL MANAGEMENT LLC/MA	13F	Company	1.3%	794,512	$12,354,000	—	31 Mar 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.2%	741,397	$11,529,000	—	31 Mar 2015	13F
BANK OF MONTREAL /CAN/	13F	Company	1.1%	661,328	$10,283,000	—	31 Mar 2015	13F
STATE STREET CORP	13F	Company	1%	602,963	$9,372,000	—	31 Mar 2015	13F
IRONWOOD INVESTMENT MANAGEMENT LLC	13F	Company	0.99%	587,929	$9,142,000	—	31 Mar 2015	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.95%	567,778	$8,829,000	—	31 Mar 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.87%	518,728	$8,067,000	—	31 Mar 2015	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.84%	498,478	$7,751,000	—	31 Mar 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	0.79%	473,353	$7,361,000	—	31 Mar 2015	13F
NORTHERN TRUST CORP	13F	Company	0.75%	447,429	$6,958,000	—	31 Mar 2015	13F
ACK Asset Management LLC	13F	Company	0.69%	413,532	$6,430,000	—	31 Mar 2015	13F
Pier Capital, LLC	13F	Company	0.63%	377,184	$5,865,000	—	31 Mar 2015	13F
Bank of New York Mellon Corp	13F	Company	0.62%	369,779	$5,750,000	—	31 Mar 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.47%	280,151	$4,356,000	—	31 Mar 2015	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.45%	268,279	$4,172,000	—	31 Mar 2015	13F
EAGLE BOSTON INVESTMENT MANAGEMENT INC	13F	Company	0.44%	260,539	$4,051,000	—	31 Mar 2015	13F
MACQUARIE GROUP LTD	13F	Company	0.38%	224,629	$3,493,000	—	31 Mar 2015	13F
DISCIPLINED GROWTH INVESTORS INC /MN	13F	Company	0.38%	223,700	$3,479,000	—	31 Mar 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.35%	206,320	$3,208,000	—	31 Mar 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.34%	201,020	$3,126,000	—	31 Mar 2015	13F
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F	Company	0.32%	188,600	$2,933,000	—	31 Mar 2015	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.28%	164,034	$2,551,000	—	31 Mar 2015	13F
RUSSELL FRANK CO/	13F	Company	0.26%	153,636	$2,390,000	—	31 Mar 2015	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.24%	145,865	$2,268,000	—	31 Mar 2015	13F
Granite Investment Partners, LLC	13F	Company	0.24%	145,296	$2,259,000	—	31 Mar 2015	13F
Invesco Ltd.	13F	Company	0.24%	141,670	$2,203,000	—	31 Mar 2015	13F
Aristotle Capital Boston, LLC	13F	Company	0.24%	140,497	$2,185,000	—	31 Mar 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.23%	136,635	$2,125,000	—	31 Mar 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.25%	146,596	$2,123,000	—	31 Mar 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.22%	131,661	$2,047,000	—	31 Mar 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.21%	127,807	$1,987,000	—	31 Mar 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.19%	113,455	$1,764,000	—	31 Mar 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.19%	111,598	$1,735,000	—	31 Mar 2015	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	0.19%	110,385	$1,716,000	—	31 Mar 2015	13F
ClariVest Asset Management LLC	13F	Company	0.18%	105,588	$1,641,000	—	31 Mar 2015	13F
HEARTLAND ADVISORS INC	13F	Company	0.17%	100,000	$1,555,000	—	31 Mar 2015	13F
BAMCO INC /NY/	13F	Company	0.15%	88,000	$1,368,000	—	31 Mar 2015	13F
MORGAN STANLEY	13F	Company	0.14%	82,116	$1,277,000	—	31 Mar 2015	13F
Informed Momentum Co LLC	13F	Company	0.13%	77,000	$1,197,000	—	31 Mar 2015	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.12%	72,150	$1,122,000	—	31 Mar 2015	13F

Institutional Holders of MERCURY SYSTEMS INC - Common Stock (MRCY) as of Q2 2015

As of 30 Jun 2015, MERCURY SYSTEMS INC - Common Stock (MRCY) was held by 131 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 30,485,625 shares. The largest 10 holders included BARROW HANLEY MEWHINNEY & STRAUSS LLC, ROYCE & ASSOCIATES LLC, VANGUARD GROUP INC, BlackRock Fund Advisors, Trigran Investments, Inc., DIMENSIONAL FUND ADVISORS LP, Neuberger Berman Group LLC, KILLEN GROUP INC, BlackRock Institutional Trust Company, N.A., and ACK Asset Management LLC. This page lists 131 institutional shareholders reporting positions in this security for the Q2 2015 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2015 vs Q1 2015 Across Filers

Q1 2015 holders

127

Q2 2015 holders

131

Holder diff

Investor	Q1 2015 Shares	Q2 2015 Shares	Share Diff	Share Chg %	Q1 2015 Value $	Q2 2015 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.