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GROUP ONE TRADING LLC

Position in MRCY — Mercury Systems Inc

CIK 932540 CHICAGO, IL

Position in MRCY

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$22,091
-$529,812 QoQ
Shares Held
303
-97.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRCY Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $62,169,360 across 35 Aerospace & Defense names.

# Ticker Company Shares Value (USD) Open

All Filings in MRCY

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $22,091 303
2025-06-30 $551,903 10,247
2025-03-31 $77,260 1,793
2024-12-31 $539,952 12,856
2024-09-30 $21,867 591
2024-06-30 $24,021 890
2023-06-30 $98,028 2,834
2022-12-31 $2,415 54
2022-09-30 $20,300 500
2022-06-30 $205,084 3,188
2022-03-31 $355,377 5,514
2021-12-31 $982,160 17,838
2021-09-30 $160,753 3,390
2021-06-30 $301,905 4,555
2020-12-31 $595,990 6,768
2020-09-30 $175,679 2,268
2020-06-30 $194,132 2,468
2020-03-31 $183,201 2,568