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JANE STREET GROUP, LLC

Position in MRCY — Mercury Systems Inc

CIK 1595888 NEW YORK, NY

Position in MRCY

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$14,109,296
+$14,109,296 QoQ
Shares Held
115,338
Ownership
0.192%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#77
of 392 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRCY Over Time

Shares Held

Position Value (USD)

Derivatives in MRCY

reported options exposure · as of Jun 30, 2026
CallValue
$1,259,999
CallShares
10,300
PutValue
$1,125,436
PutShares
9,200

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $2,155,732,432 across 63 Aerospace & Defense names. MRCY ranks #17 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MRCY

Export CSV
49 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,259,999 10,300
2026-06-30 $14,109,296 115,338
2026-06-30 $1,125,436 9,200
2026-03-31 $1,275,925 17,500
2026-03-31 $940,539 12,900
2025-12-31 $730,100 10,000
2025-12-31 $1,029,441 14,100
2025-09-30 $510,840 6,600
2025-09-30 $735,300 9,500
2025-09-30 $1,984,613 25,641
2025-06-30 $425,494 7,900
2025-03-31 $2,187,635 50,769
2024-12-31 $205,800 4,900
2024-12-31 $610,344 14,532
2024-09-30 $1,312,575 35,475
2024-09-30 $270,100 7,300
2024-06-30 $431,056 15,971
2024-03-31 $7,596,662 257,514
2023-12-31 $4,648,704 127,118
2023-09-30 $2,063,241 55,628
2023-06-30 $1,961,632 56,711
2023-03-31 $1,229,792 24,057
2022-12-31 $653,964 14,617
2022-09-30 $591,379 14,566
2022-06-30 $1,206,508 18,755
2022-03-31 $399,590 6,200
2022-03-31 $5,163,798 80,121
2022-03-31 $4,208,585 65,300
2021-12-31 $770,894 14,001
2021-12-31 $462,504 8,400
2021-12-31 $1,227,838 22,300
2021-09-30 $588,008 12,400
2021-09-30 $1,948,962 41,100
2021-06-30 $868,268 13,100
2021-06-30 $256,238 3,866
2021-06-30 $3,002,484 45,300
2021-03-31 $886,939 12,554
2021-03-31 $819,540 11,600
2021-03-31 $353,250 5,000
2020-12-31 $264,180 3,000
2020-12-31 $250,530 2,845
2020-12-31 $607,614 6,900
2020-09-30 $495,744 6,400
2020-09-30 $286,602 3,700
2020-09-30 $1,624,336 20,970
2020-06-30 $723,672 9,200
2020-06-30 $707,940 9,000
2020-06-30 $10,699,568 136,023
2020-03-31 $346,926 4,863