Mercury Systems Inc

MRCY

Exchange: Nasdaq
Industry: Electronic Components & Accessories
SEC CIK: 0001049521

SEC filings (opens in a new tab)

In the last 90 days, Mercury Systems Inc insiders filed 0 open-market purchases and 16 sales; 393 institutions reported holding it in 13F filings for Q2 2026, worth $8.02B in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Mercury Systems Inc changed between Q1 2025 and Q2 2025.

All holders in Q2 2025 All holders in Q1 2025

13F holders of MRCY: Q1 2025 compared with Q2 2025
Measure	Q1 2025	Of which not filed for Q2 2025	Q2 2025	Change
Holders	253	2	285	+34
Shares	63.1M	10.7K	65.0M	+1.92M (+3.0%)
Value	$2.72B	$460.0K	$3.50B	+$782.6M (+28.8%)

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (56)

Institutions that held Mercury Systems Inc at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to MRCY in Q2 2025
Institution	Shares	Value	% of portfolio
T. Rowe Price Investment Management, Inc.	968,815	$52.2M	0.03%
Lord, Abbett & Co. LLC	552,646	$29.8M	0.10%
Emerald Advisers, LLC	456,713	$24.6M	0.90%
Silvercrest Asset Management Group LLC	387,119	$20.9M	0.14%
Emerald Mutual Fund Advisers Trust	263,218	$14.2M	0.86%
Driehaus Capital Management LLC	218,346	$11.8M	0.09%
Allspring Global Investments Holdings, LLC	179,111	$9.07M	0.02%
Castleark Management LLC	92,800	$5.00M	0.15%
Great Lakes Advisors, LLC	69,485	$3.74M	0.03%
Kettle Hill Capital Management, LLC	57,905	$3.12M	0.72%
Neo Ivy Capital Management	50,632	$2.73M	0.87%
Archon Capital Management LLC	49,600	$2.67M	2.19%
Cookson Peirce & Co Inc	34,217	$1.84M	0.08%
Bouvel Investment Partners, LLC	30,808	$1.66M	0.56%
Connor, Clark & Lunn Investment Management Ltd.	30,001	$1.62M	0.01%
One Capital Management, LLC	19,929	$1.07M	0.04%
Franklin Resources Inc	17,710	$953.9K	0.00%
Bayforest Capital Ltd	14,836	$799.1K	0.35%
Engineers Gate Manager LP	14,279	$769.1K	0.01%
Gsa Capital Partners LLP	13,872	$747.0K	0.05%
Captrust Financial Advisors	13,846	$745.7K	0.00%
TD Asset Management Inc	11,718	$631.1K	0.00%
Glenmede Investment Management, LP	11,584	$623.9K	0.00%
Summit Trail Advisors, LLC	10,805	$582.0K	0.01%
Winton Group Ltd	10,493	$565.2K	0.03%
Maxi Investments CY Ltd	7,460	$402.0K	0.07%
New Age Alpha Advisors, LLC	7,095	$382.1K	0.02%
HSBC Holdings PLC	6,857	$368.8K	0.00%
Pacer Advisors, Inc.	5,985	$322.4K	0.00%
Verdence Capital Advisors LLC	4,390	$236.4K	0.02%
Xponance, Inc.	4,024	$216.7K	0.00%
Wealth Enhancement Advisory Services, LLC	4,135	$212.7K	0.00%
Evergreen Capital Management LLC	3,938	$212.1K	0.01%
Cambridge Investment Research Advisors, Inc.	3,748	$202.0K	0.00%
Walleye Trading LLC	3,627	$195.3K	0.00%
Hilltop National Bank	2,050	$110.4K	0.03%
Mark Sheptoff Financial Planning, LLC	1,100	$59.2K	0.03%
Federated Hermes, Inc.	801	$43.1K	0.00%
Aster Capital Management (DIFC) Ltd	784	$42.2K	0.01%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	642	$35.0K	0.00%
Quaker Wealth Management, LLC	644	$34.7K	0.01%
SRS Capital Advisors, Inc.	460	$24.8K	0.00%
Danske Bank A/S	300	$16.2K	0.00%
Twin Peaks Wealth Advisors, LLC	165	$11.2K	0.00%
Simplex Trading, LLC	212	$11.0K	0.00%
Optiver Holding B.V.	173	$9.32K	0.00%
MAI Capital Management	83	$4.47K	0.00%
Fortitude Family Office, LLC	80	$4.31K	0.00%
Geneos Wealth Management Inc.	49	$2.64K	0.00%
Global Retirement Partners, LLC	30	$1.62K	0.00%
UMA Financial Services, Inc.	30	$1.62K	0.00%
Atlantic Trust, LLC	18	$970	0.00%
Annis Gardner Whiting Capital Advisors, LLC	16	$862	0.00%
Rialto Wealth Management, LLC	4	$216	0.00%
Essential Partners LLC	3	$162	0.00%
Caitong International Asset Management Co., Ltd	2	$108	0.00%

Sold out (22)

Institutions that held Mercury Systems Inc at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of MRCY in Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
EAM Investors, LLC	71,883	$3.10M
Jane Street Group, LLC	50,769	$2.19M
Natixis	49,361	$2.08M
Jackson Creek Investment Advisors LLC	35,236	$1.52M
Corebridge Financial, Inc.	27,116	$1.17M
Caxton Associates LLP	22,609	$974.2K
Qube Research & Technologies Ltd	17,973	$774.5K
Aquatic Capital Management LLC	16,848	$726.0K
Canada Pension Plan Investment Board	16,400	$706.7K
State of Wyoming	15,721	$677.4K
PEAK6 LLC	13,418	$578.2K
Bayesian Capital Management, LP	12,298	$529.9K
Fox Run Management, L.L.C.	6,847	$295.0K
Ieq Capital, LLC	6,652	$286.6K
XTX Topco Ltd	5,892	$253.9K
Nkcfo LLC	1,680	$72.0K
Whittier Trust Co	546	$23.5K
Ronald Blue Trust, Inc.	395	$17.0K
Coldstream Capital Management Inc	199	$8.58K
Quarry LP	168	$7.24K
LRI Investments, LLC	141	$6.08K
Global Financial Private Client, LLC	8	$345

Not filed for Q2 2025 yet (2)

Institutions that held Mercury Systems Inc at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MRCY in Q1 2025 that haven't filed for Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Glenmede Trust Co NA	10,562	$455.1K
Lindbrook Capital, LLC	113	$4.87K