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BLAIR WILLIAM & CO/IL

Position in MRCY — Mercury Systems Inc

CIK 902367 CHICAGO, IL

Position in MRCY

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$9,506,508
+$3,761,857 QoQ
Shares Held
77,712
-1.4% QoQ
Ownership
0.129%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#87
of 391 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in MRCY Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $1,535,101,183 across 32 Aerospace & Defense names. MRCY ranks #16 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MRCY

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,506,508 77,712
2026-03-31 $5,744,651 78,791
2025-12-31 $6,116,193 83,772
2025-09-30 $6,232,248 80,520
2025-06-30 $6,735,031 125,047
2025-03-31 $5,695,119 132,168
2024-12-31 $5,713,638 136,039
2024-09-30 $5,816,141 157,193
2024-06-30 $2,085,544 77,271
2024-03-31 $3,501,030 118,679
2023-12-31 $4,493,867 122,884
2023-09-30 $4,844,213 130,607
2023-06-30 $5,098,254 147,391
2023-03-31 $8,373,864 163,808
2022-12-31 $7,682,573 171,716
2022-09-30 $7,069,799 174,133
2022-06-30 $11,557,785 179,664
2022-03-31 $12,235,639 189,847
2021-12-31 $10,290,493 186,896
2021-09-30 $25,592,194 539,692
2021-06-30 $50,040,008 754,979
2021-03-31 $56,968,768 806,352
2020-12-31 $65,537,334 744,235
2020-09-30 $52,431,434 676,884
2020-06-30 $42,587,703 541,415
2020-03-31 $34,563,873 484,495