Mercury Systems (MRCY) Institutional Ownership

$80.43 -0.33 (-0.41%)

Closing price 04:00 PM Eastern

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$82.44 +2.01 (+2.50%)

As of 04:56 PM Eastern

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Current Institutional Ownership Percentage: 95.99%
Number of Institutional Buyers (last 12 months): 209
Total Institutional Inflows (last 12 months): $3.12B

Number of Institutional Sellers (last 12 months): 121
Total Institutional Outflows (last 12 months): $1.06B

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MRCY Institutional Buying and Selling by Quarter

Mercury Systems Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/9/2026	Integrated Wealth Concepts LLC	707	$87K	0.0%	N/A	0.001%
9/9/2026	IFP Advisors Inc	463	$57K	0.0%	+250.8%	0.001%
9/8/2026	Nykredit A S	2,167	$265K	0.0%	N/A	0.004%
8/27/2026	Corient Private Wealth LP	11,338	$1.39M	0.0%	+92.4%	0.019%
8/26/2026	Amundi	4,621	$565K	0.0%	-42.5%	0.008%
8/26/2026	HighTower Advisors LLC	2,572	$315K	0.0%	-49.2%	0.004%
8/24/2026	California State Teachers Retirement System	7,630,211	$933.40M	0.0%	+11,902.8%	12.687%
8/23/2026	HB Wealth Management LLC	3,073	$376K	0.0%	N/A	0.005%
8/23/2026	Angeles Wealth Management LLC	1,936	$237K	0.0%	N/A	0.003%
8/22/2026	JANA Partners Management LP	3,958,849	$484.29M	25.5%	-3.6%	6.583%
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8/22/2026	Concurrent Investment Advisors LLC	1,915	$234K	0.0%	N/A	0.003%
8/21/2026	Nykredit A S	2,167	$265K	0.0%	N/A	0.004%
8/20/2026	Sigma Planning Corp	5,172	$633K	0.0%	N/A	0.009%
8/20/2026	Greenwood Capital Associates LLC	6,236	$763K	0.1%	-5.6%	0.010%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	122,585	$15.00M	0.0%	+5.5%	0.204%
8/19/2026	Van ECK Associates Corp	762,994	$93.34M	0.1%	-10.4%	1.271%
8/19/2026	Wellington Management Group LLP	775,502	$94.87M	0.0%	+2.6%	1.292%
8/18/2026	Beacon Pointe Advisors LLC	3,037	$372K	0.0%	N/A	0.005%
8/18/2026	Empowered Funds LLC	1,905	$233K	0.0%	N/A	0.003%
8/18/2026	Centaurus Financial Inc.	3,390	$415K	0.0%	N/A	0.006%
8/18/2026	Public Employees Retirement System of Ohio	353	$43K	0.0%	N/A	0.001%
8/17/2026	Corient Private Wealth LP	10,745	$1.31M	0.0%	N/A	0.018%
8/17/2026	Bamco Inc. NY	606,919	$74.24M	0.1%	N/A	1.011%
8/17/2026	Bank of America Corp DE	223,533	$27.35M	0.0%	N/A	0.372%
8/15/2026	American Capital Management Inc.	486,064	$59.46M	2.7%	N/A	0.810%
8/15/2026	Man Group plc	110,597	$13.53M	0.0%	N/A	0.184%
8/15/2026	Jupiter Topco LLC	34,273	$4.19M	0.0%	N/A	0.057%
8/14/2026	Manatuck Hill Partners LLC	18,400	$2.25M	0.7%	N/A	0.031%
8/14/2026	Legal & General Group Plc	126,258	$15.45M	0.0%	N/A	0.210%
8/14/2026	The Manufacturers Life Insurance Company	31,820	$3.89M	0.0%	N/A	0.053%
8/14/2026	Algert Global LLC	37,270	$4.56M	0.1%	+582.6%	0.062%
8/13/2026	Sanctuary Advisors LLC	3,506	$429K	0.0%	N/A	0.006%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	4,968	$608K	0.0%	N/A	0.008%
8/13/2026	Barrow Hanley Mewhinney & Strauss LLC	426	$52K	0.0%	N/A	0.001%
8/12/2026	Quantbot Technologies LP	670	$82K	0.0%	N/A	0.001%
8/12/2026	William Blair Investment Management LLC	379,732	$46.45M	0.1%	N/A	0.632%
8/12/2026	Callan Family Office LLC	3,962	$485K	0.0%	N/A	0.007%
8/11/2026	Allworth Financial LP	752	$92K	0.0%	N/A	0.001%
8/11/2026	B. Metzler seel. Sohn & Co. AG	32,845	$4.02M	0.0%	N/A	0.055%
8/11/2026	Lisanti Capital Growth LLC	41,450	$5.07M	1.1%	N/A	0.069%
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8/10/2026	Danske Bank A S	5,940	$727K	0.0%	N/A	0.010%
8/8/2026	Keenan LLC	4,423	$541K	0.4%	N/A	0.007%
8/8/2026	Deepwater Asset Management LLC	61,166	$7.48M	3.4%	N/A	0.102%
8/7/2026	BlackRock Inc.	9,370,902	$1.15B	0.0%	N/A	15.608%
8/7/2026	Deutsche Bank AG	142,678	$17.45M	0.0%	N/A	0.238%
8/7/2026	Rice Hall James & Associates LLC	39,775	$4.87M	0.2%	N/A	0.066%
8/7/2026	Mitsubishi UFJ Asset Management Co. Ltd.	9,407	$1.15M	0.0%	N/A	0.016%
8/6/2026	Global Retirement Partners LLC	2,816	$344K	0.0%	N/A	0.005%
8/6/2026	Bank of New York Mellon Corp	314,217	$38.44M	0.0%	N/A	0.523%
8/6/2026	State of Wyoming	1,081	$132K	0.0%	N/A	0.002%
8/6/2026	GSA Capital Partners LLP	3,351	$410K	0.0%	N/A	0.006%
8/3/2026	Oppenheimer Asset Management Inc.	2,006	$245K	0.0%	N/A	0.003%
8/3/2026	Hardy Reed LLC	2,125	$260K	0.0%	N/A	0.004%
7/9/2026	First Bank & Trust	1,674	$205K	0.0%	N/A	0.003%
7/9/2026	Hennion & Walsh Asset Management Inc.	43,902	$5.37M	0.2%	+11.3%	0.073%
7/7/2026	GAMMA Investing LLC	1,984	$243K	0.0%	+8.5%	0.003%
7/7/2026	Moody National Bank Trust Division	46,204	$5.65M	0.5%	+12.5%	0.077%
7/2/2026	Hilltop National Bank	2,510	$307K	0.1%	-11.5%	0.004%
6/30/2026	JANA Partners Management LP	4,107,424	$299.47M	18.0%	-17.2%	6.841%
5/26/2026	Glenmede Trust Co. NA	9,453	$689K	0.0%	-1.1%	0.016%
5/22/2026	Segall Bryant & Hamill LLC	934,824	$68.16M	0.8%	+46.9%	1.557%
5/19/2026	Cim Investment Management Inc.	8,927	$651K	0.2%	+17.2%	0.015%
5/19/2026	Bank of America Corp DE	294,918	$21.50M	0.0%	+19.5%	0.491%
5/19/2026	Edgestream Partners L.P.	88,208	$6.43M	0.2%	+87.0%	0.147%
5/18/2026	Amundi	8,033	$586K	0.0%	N/A	0.013%
5/18/2026	California State Teachers Retirement System	63,570	$4.64M	0.0%	+24.1%	0.106%
5/18/2026	Royal Bank of Canada	532,687	$38.84M	0.0%	-17.3%	0.887%
5/16/2026	The Manufacturers Life Insurance Company	27,951	$2.04M	0.0%	+7.0%	0.047%
5/16/2026	Quantinno Capital Management LP	65,977	$4.81M	0.0%	-0.9%	0.110%
5/16/2026	Castleark Management LLC	25,048	$1.83M	0.1%	-78.9%	0.042%
5/15/2026	Rice Hall James & Associates LLC	42,225	$3.08M	0.2%	-13.5%	0.070%
5/14/2026	Gabelli Funds LLC	28,893	$2.11M	0.0%	+242.4%	0.048%
5/14/2026	Sei Investments Co.	370,992	$27.05M	0.0%	-1.9%	0.618%
5/14/2026	State of Wyoming	1,010	$74K	0.0%	-27.7%	0.002%
5/13/2026	First Trust Advisors LP	1,160,775	$84.63M	0.1%	-9.3%	1.933%
5/8/2026	PNC Financial Services Group Inc.	7,045	$514K	0.0%	+4.7%	0.012%
5/7/2026	WCM Investment Management LLC	219,324	$15.32M	0.0%	-17.2%	0.365%
5/7/2026	Dimensional Fund Advisors LP	1,227,975	$89.52M	0.0%	-16.8%	2.046%
5/7/2026	Swiss National Bank	106,900	$7.79M	0.0%	+0.4%	0.178%
5/6/2026	Freemont Management S.A.	31,700	$2.31M	0.3%	N/A	0.053%
5/6/2026	Jennison Associates LLC	688,114	$50.17M	0.0%	+52.9%	1.147%
5/6/2026	Future Fund LLC	48,645	$3.55M	1.2%	+66.1%	0.081%
5/6/2026	Bessemer Group Inc.	449,689	$32.79M	0.1%	+12.6%	0.749%
5/6/2026	Allspring Global Investments Holdings LLC	573,456	$42.87M	0.1%	-23.9%	0.956%
5/5/2026	Bank of New York Mellon Corp	314,399	$22.92M	0.0%	-2.5%	0.524%
5/5/2026	Illinois Municipal Retirement Fund	27,961	$2.04M	0.0%	+5.4%	0.047%
5/5/2026	Harel Insurance Investments & Financial Services Ltd.	11,230	$819K	0.0%	+38.8%	0.019%
5/4/2026	Calamos Advisors LLC	56,479	$4.12M	0.0%	+13.3%	0.094%
5/4/2026	Emerald Mutual Fund Advisers Trust	375,472	$27.38M	1.3%	+11.7%	0.626%
5/4/2026	Emerald Advisers LLC	595,314	$43.40M	1.4%	+12.1%	0.992%
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5/4/2026	Principal Financial Group Inc.	257,100	$18.75M	0.0%	-2.0%	0.428%
5/4/2026	Teachers Retirement System of The State of Kentucky	34,536	$2.52M	0.0%	+157.8%	0.058%
5/1/2026	Fifth Third Bancorp	267,101	$19.47M	0.0%	+22,232.9%	0.445%
4/30/2026	Greenwood Capital Associates LLC	6,608	$482K	0.1%	-25.8%	0.011%
4/29/2026	Swedbank AB	55,259	$4.03M	0.0%	+44.1%	0.092%
4/28/2026	Abel Hall LLC	3,067	$224K	0.0%	N/A	0.005%
4/27/2026	New York State Teachers Retirement System	50,885	$3.71M	0.0%	-15.1%	0.085%
4/27/2026	Y Intercept Hong Kong Ltd	3,213	$234K	0.0%	N/A	0.005%
4/27/2026	Leonteq Securities AG	349	$25K	0.0%	-27.1%	0.001%
4/25/2026	Strs Ohio	5,500	$401K	0.0%	-57.7%	0.009%

MRCY Institutional Ownership - Frequently Asked Questions

During the previous two years, 332 institutional investors and hedge funds held shares of Mercury Systems. The most heavily invested institutionals were BlackRock Inc. ($1.15B), California State Teachers Retirement System ($933.40M), JANA Partners Management LP ($484.29M), Vanguard Group Inc. ($411.20M), State Street Corp ($249.96M), Conestoga Capital Advisors LLC ($139.88M), and Invesco Ltd. ($139.50M).Learn more on Mercury Systems' institutional investors.

95.99% of Mercury Systems' stock is owned by institutional investors. Learn more on MRCY's institutional investor holdings.

Of the 292 institutional investors that purchased Mercury Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($9.37M), California State Teachers Retirement System ($7.58M), Invesco Ltd. ($1.36M), Conestoga Capital Advisors LLC ($1.25M), First Trust Advisors LP ($1.08M), Loomis Sayles & Co. L P ($757.22K), and Allspring Global Investments Holdings LLC ($753.70K).

Institutional investors have bought a total of 29,134,031 shares in the last 24 months. This purchase volume represents approximately $3.12B in transactions.

Of the 121 institutional investors that sold Mercury Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: William Blair Investment Management LLC ($3.71M), JANA Partners Management LP ($1.79M), T. Rowe Price Investment Management Inc. ($1.26M), Victory Capital Management Inc. ($1.01M), Conestoga Capital Advisors LLC ($640.34K), Dimensional Fund Advisors LP ($603.40K), and Millennium Management LLC ($486.07K).

Institutional investors have sold a total of 14,005,419 shares in the last 24 months. This volume of shares sold represents approximately $1.06B in transactions.

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Institutional ownership data for NASDAQ:MRCY is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.

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Mercury Systems (MRCY) Institutional Ownership

MRCY Institutional Buying and Selling by Quarter

Mercury Systems Major Shareholders & Ownership History

MRCY Institutional Ownership - Frequently Asked Questions

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Mercury Systems (MRCY) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Mercury Systems (NASDAQ:MRCY)

MRCY Institutional Buying and Selling by Quarter

Mercury Systems Major Shareholders & Ownership History

MRCY Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MRCY shares?

What percentage of Mercury Systems' stock is owned by institutional investors?

Which institutional investors have been buying Mercury Systems' stock?

How much institutional buying is happening at Mercury Systems?

Which of Mercury Systems' major shareholders have been selling company stock?

How much institutional selling is happening at Mercury Systems?

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