MRCY Mercury Systems, Inc.

NASDAQ
$84.87

Mercury Systems, Inc. (MRCY) Institutional Ownership

What the institutions did with MRCY last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended September 30, 2026.

Managers compared
3
filed both this quarter and last
Managers holding
2
-1 on the quarter
Buyers
2
0 opened new
Sellers
1
1 sold out entirely
Buyer share
66.7%
of managers who traded it
Breadth
+33.3
net buyers, as a share of those trading

Only 3 managers reported a position this quarter, so the percentages above describe a very small sample.

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Largest holders

Manager Shares % of reported
Versant Capital Management, Inc 433 62.5%
MassMutual Private Wealth & Trust, FSB 260 37.5%

Largest changes

Manager Action Previous Current Change
MassMutual Private Wealth & Trust, FSB Increased 204 260 +56
Versant Capital Management, Inc Increased 403 433 +30
Noble Wealth Management PBC Sold Out 8 0 -8

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.