WhaleCreep

Which hedge funds own MRCY? MERCURY SYS INC, Q2 2026 13F holders

IndustrialsAerospace & Defense

34 tracked hedge funds disclosed a position in MRCY (MERCURY SYS INC) in their Q2 2026 13F filings, worth $645.4m in total. The largest holder by portfolio weight is JANA Partners Management, LP at 25.5% of its book. 14 opened a new position this quarter: Summit Partners Public Asset Management, LLC, EntryPoint Capital, LLC, Waratah Capital Advisors Ltd., Twinbeech Capital LP. 9 exited: Cinctive Capital Management LP, ExodusPoint Capital Management, LP, Citadel Advisors LLC.

34
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
14
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
9
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$21.4m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$35.2m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$645m
Combined value
Sum of the holders' reported positions in the security.
2.7%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

34 rows
JANA Partners Management, LP Hedge fund25.5%$484m3.96m−3.6%reduced
Heights Point Management, LP Hedge fund9.8%$12.3m100,375−18%reduced
Candelo Capital Management LP Hedge fund4.9%$6.6m54,060−11%reduced
Freshford Capital Management, LLC Hedge fund3.9%$11.5m93,761−39%reduced
Deepwater Asset Management, LLC Hedge fund3.4%$7.5m61,166+8.0%added
Manatuck Hill Partners, LLC Hedge fund0.7%$2.3m18,400−30%reduced
Archon Capital Management LLC Hedge fund0.5%$1.3m10,901−89%reduced
Summit Partners Public Asset Management, LLC Hedge fund0.3%$12.0m98,122–new
Bayforest Capital Ltd Hedge fund0.3%$281k2,293+121%added
Axiom Investors LLC Hedge fund0.2%$25.0m204,433−3.1%reduced
EntryPoint Capital, LLC Hedge fund0.2%$677k5,532–new
Edgestream Partners, L.P. Hedge fund0.1%$4.5m37,088−58%reduced
Waratah Capital Advisors Ltd. Hedge fund0.1%$1.5m12,222–new
Select Equity Group, L.P. Hedge fund0.1%$20.2m165,257+98%added
Twinbeech Capital LP Hedge fund0.05%$287k2,346–new
WCM Investment Management Long-only investor0.04%$24.2m219,3200.0%held
Campbell & CO Investment Adviser LLC Hedge fund0.04%$778k6,356–new
Prelude Capital Management, LLC Hedge fund0.03%$442k3,611−78%reduced
Graham Capital Management, L.P. Hedge fund0.03%$1.2m9,800–new
Gsa Capital Partners LLP Hedge fund0.03%$410k3,351−73%reduced
Brevan Howard Capital Management LP Hedge fund0.01%$1.1m8,707–new
Trexquant Investment LP Hedge fund0.01%$2.2m17,714–new
Catalyst Funds Management Pty Ltd Hedge fund0.01%$232k1,900–new
Weiss Asset Management LP Hedge fund0.01%$863k7,052–new
Two Sigma Investments, LP Hedge fund0.01%$8.8m71,861−56%reduced
D. E. Shaw & Co., Inc. Hedge fund0.0%$7.6m61,830+13%added
Quantbot Technologies LP Hedge fund0.0%$82.0k670–new
Polen Capital Long-only investor0.0%$355k2,904–new
AQR Capital Management LLC Hedge fund0.0%$6.3m55,158−18%reduced
Magnetar Financial LLC Hedge fund0.0%$226k1,848–new
CVA Family Office, LLC Family office0.0%$9.2k75+88%added
Walleye Capital LLC Hedge fund0.0%$140k1,144−49%reduced
Fulcrum Asset Management LLP Hedge fund0.0%$5.7k52–new
Millennium Management LLC Hedge fund0.0%$355k2,901−82%reduced