Mercury Systems Inc (MRCY) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

59,415,000Shares Outstanding

65,189,391Shares held by institutions

$4,838,356,600Value of institutional holdings

109.72%Institutional ownership %

1.37%Shares Changed QoQ

335No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mercury Systems Inc (NASDAQ:MRCY) appears in 335 institutional 13F filings for the quarter ending December 2025.

Their combined ownership stood at 107.8% of outstanding shares in December 2025, down from 110.4% in September 2025.
They increased total shares held in MRCY by 0.07% quarter over quarter, and investors in Mercury Systems increased 38.43% from a year ago.
Among the 335 funds, 176 bought more Mercury Systems shares, 111 sold down, and 48 held their ground.
Institutional investors collectively held 64.03Mn shares in Mercury Systems as of December 2025, up by 46.12K shares quarter on quarter, and down 1.17Mn shares year over year.
Hilltop National Bank holds the largest position in MRCY at 2.84K shares as of December 31, 2025, or 0.0% of shares outstanding.
The biggest buyers of Mercury Systems for the quarter ending December 2025 included Hilltop National Bank (227).
According to Business Quant data, leading holders of MRCY for December 2025 are Hilltop National Bank (2.84K).

335 Institutional Holders

65,189,391 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	8,611,638	134,480	1.59%	$628,735,659.00
VANGUARD GROUP INC	31 Dec, 2025	5,632,049	-98,984	-1.73%	$411,195,897.00
JANA Partners Management, LP	31 Dec, 2025	4,959,481	-1,000,000	-16.78%	$362,091,708.00
State Street Corp	31 Dec, 2025	3,423,600	368,242	12.05%	$249,957,036.00
Goldman Sachs Group Inc	31 Dec, 2025	2,312,794	1,073,359	86.60%	$168,857,090.00
Conestoga Capital Advisors, LLC	31 Dec, 2025	2,174,807	-105,102	-4.61%	$158,782,659.00
Invesco Ltd.	31 Dec, 2025	1,910,742	383,299	25.09%	$139,503,273.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	1,805,601	283,932	18.66%	$131,828.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,475,821	-267,993	-15.37%	$107,752,953.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,368,659	47,174	3.57%	$99,940,447.00
Ameriprise Financial Inc	31 Dec, 2025	1,289,685	1,009,297	359.96%	$94,159,992.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	1,279,384	-253,438	-16.53%	$93,407,825.00
FMR LLC	31 Dec, 2025	1,152,192	-331,281	-22.33%	$84,121,571.00
Neuberger Berman Group LLC	31 Dec, 2025	1,030,103	-16,366	-1.56%	$75,246,892.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	984,273	-1,503,684	-60.44%	$71,861,772.00
Fisher Asset Management, LLC	31 Dec, 2025	860,383	-14,896	-1.70%	$62,816,561.00
LOOMIS SAYLES & CO L P	31 Dec, 2025	851,817	-32,798	-3.71%	$62,191,159.00
BAMCO INC /NY/	31 Dec, 2025	835,823	-459,461	-35.47%	$61,023,437.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	753,695	59,828	8.62%	$57,303,430.00
SNYDER CAPITAL MANAGEMENT L P	31 Dec, 2025	748,536	-32,868	-4.21%	$54,650,613.00

1 - 20 of 335

Research Tools