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North Star Investment Management Corp.

Position in AMBA — Ambarella Inc

CIK 1342857 CHICAGO, IL

Position in AMBA

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$1,287
+$515 QoQ
Shares Held
15
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#320
of 335 holders
Holding Since
Sep 2020
7 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in AMBA Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

North Star Investment Management Corp. holds $2,566,356 across 9 Semiconductor Equipment & Materials names. AMBA ranks #9 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMBA

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,287 15
2026-03-31 $772 15
2025-12-31 $1,062 15
2025-09-30 $1,237 15
2025-06-30 $991 15
2025-03-31 $754 15
2020-09-30 $2,609 50