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RHUMBLINE ADVISERS

Position in AMBQ — Ambiq Micro, Inc.

CIK 1115418 BOSTON, MA

Position in AMBQ

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,929,884
+$1,573,204 QoQ
Shares Held
21,856
+55.7% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#80
of 185 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 22% Shared 0% None 78%

Common Shares in AMBQ Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $19,162,366,090 across 61 Semiconductors names. AMBQ ranks #42 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMBQ

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,929,884 21,856
2026-03-31 $356,680 14,037
2025-12-31 $97,128 3,408
2025-09-30 $119,171 3,983