The Tip Desk

MERCURY SYS INC holding history

As of Nov. 6, 2026 (UTC)

← WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC portfolio · COM · CUSIP 589378108 · SH

Quarter-end history; absent and withheld figures are not zero
March 31, 20255,372,198$231,488,0120.65%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 9, 2025
June 30, 20254,695,683$252,909,4860.67%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewJuly 29, 2025
Sept. 30, 20252,487,957$192,567,8720.50%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewNov. 12, 2025
Dec. 31, 2025984,273$71,861,7720.20%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewFeb. 9, 2026
March 31, 2026327,288$23,862,5680.08%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 8, 2026
June 30, 2026379,732$46,452,6160.14%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewAug. 12, 2026

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Schedule 13G disclosures

No verified related disclosures are included in this freeze.

About reported holdings

13F reports quarter-end securities, excluding cash and shorts. Position changes do not establish trades, motives or returns; portfolio weights use disclosed 13F value.