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GAMMA Investing LLC

Position in ATEYY — Advantest Corp

CIK 2010235 FOSTER CITY, CA

Position in ATEYY

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$1,182,613
+$445,708 QoQ
Shares Held
5,684
+4.8% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#2
of 9 holders
Holding Since
Dec 2023
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATEYY Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

GAMMA Investing LLC holds $66,598,358 across 26 Semiconductor Equipment & Materials names. ATEYY ranks #7 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 ATEYY
Advantest Corp
This page
5,684 $1,182,613

All Filings in ATEYY

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,182,613 5,684
2026-03-31 $736,905 5,426
2025-12-31 $639,735 5,064
2025-09-30 $471,948 4,696
2025-06-30 $316,696 4,282
2025-03-31 $234,242 5,308
2024-12-31 $285,360 5,016
2024-09-30 $180,081 3,804
2024-06-30 $103,133 2,534
2024-03-31 $145,821 3,271
2023-12-31 $88,830 2,632