Vault-13

Advantest Corp ATEYY

COM · ADR · CUSIP 00762U200

18 institutional holders +2 vs Q1 2026
83,66483.7k shares reported held*
$17.3mreported value*
4 new 10 added 2 reduced 2 sold out net bought ≈ $571.9k (+2.8k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $207.19.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

01020Q3 22: 3Q4 22: 3Q1 23: 6Q2 23: 7Q3 23: 8Q4 23: 7Q1 24: 8Q2 24: 7Q3 24: 7Q4 24: 8Q1 25: 7Q2 25: 14Q3 25: 11Q4 25: 13Q1 26: 16Q2 26: 1818Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 20223
Q4 20223
Q1 20236
Q2 20237
Q3 20238
Q4 20237
Q1 20248
Q2 20247
Q3 20247
Q4 20248
Q1 20257
Q2 202514
Q3 202511
Q4 202513
Q1 202616
Q2 202618

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
20020Q3 24: 4 bought or addedQ3 24: 2 cut or sold outQ4 24: 4 bought or addedQ4 24: 2 cut or sold outQ4 24Q1 25: 3 bought or addedQ1 25: 3 cut or sold outQ2 25: 10 bought or addedQ2 25: 4 cut or sold outQ2 25Q3 25: 6 bought or addedQ3 25: 7 cut or sold outQ4 25: 8 bought or addedQ4 25: 5 cut or sold outQ4 25Q1 26: 10 bought or addedQ1 26: 6 cut or sold outQ2 26: 14 bought or addedQ2 26: 4 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202442
Q4 202442
Q1 202533
Q2 2025104
Q3 202567
Q4 202585
Q1 2026106
Q2 2026144

Biggest buyers

RHUMBLINE ADVISERS Added +2,580+2.6k
Ativo Capital Management LLC Added +1,711+1.7k
Calydon Capital New +1,433+1.4k
Enterprise Financial Services Corp New +1,211+1.2k
Boston Common Asset Management, LLC Added +639+639
ATLAS CAPITAL ADVISORS INC. New +270+270
GAMMA Investing LLC Added +258+258
DIVERSIFIED TRUST CO Added +205+205
First Command Advisory Services, Inc. Added +146+146
IMA Advisory Services, Inc. Added +102+102

Biggest sellers

YOUSIF CAPITAL MANAGEMENT, LLC Reduced -5,330-5.3k
Accent Capital Management, LLC Sold out -464-464
Salomon & Ludwin, LLC Reduced -85-85
Ancora Advisors LLC Sold out -34-34

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Boston Common Asset Management, LLC 0.40% of their portfolio BOSTON, MA 32,43932.4k $6.7m $6.7m 0.40% Added +639 +639
2 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 17,52417.5k $3.6m $3.6m 0.00% Added +2.6k +2,580
3 Ativo Capital Management LLC 2.17% of their portfolio CHICAGO, IL 13,63713.6k $2.8m $2.8m 2.17% Added +1.7k +1,711
4 GAMMA Investing LLC 0.04% of their portfolio FOSTER CITY, CA 5,6845.7k $1.2m $1.2m 0.04% Added +258 +258
5 Canopy Partners, LLC 0.24% of their portfolio CINCINNATI, OH 3,7663.8k $783.6k $783.6k 0.24% Added +1 +1
6 DIVERSIFIED TRUST CO 0.01% of their portfolio MEMPHIS, TN 3,0953.1k $615.9k $615.9k 0.01% Added +205 +205
7 YOUSIF CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BLOOMFIELD HILLS, MI 2,2672.3k $451.1k $451.1k 0.01% Reduced -5.3k -5,330
8 Calydon Capital 0.04% of their portfolio MEMPHIS, TN 1,4331.4k $298.1k $298.1k 0.04% New
9 Enterprise Financial Services Corp 0.10% of their portfolio Clayton, MO 1,2111.2k $252.0k $252.0k 0.10% New
10 Westside Investment Management, Inc. 0.02% of their portfolio SANTA MONICA, CA 800800 $166.4k $166.4k 0.02% Unchanged
11 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 704704 $146.5k $146.5k 0.00% Added +91 +91
12 Salomon & Ludwin, LLC 0.01% of their portfolio RICHMOND, VA 445445 $82.3k $82.3k 0.01% Reduced -85 -85
13 ATLAS CAPITAL ADVISORS INC. 0.00% of their portfolio JACKSON, WY 270270 $42.4k $42.4k 0.00% New
14 First Command Advisory Services, Inc. 0.00% of their portfolio FORT WORTH, TX 167167 $34.7k $34.7k 0.00% Added +146 +146
15 IMA Advisory Services, Inc. 0.00% of their portfolio DENVER, CO 127127 $26.4k $26.4k 0.00% Added +102 +102
16 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 5656 $11.7k $11.7k 0.00% Added +55 +55
17 Gleason Group, Inc. 0.00% of their portfolio PROSPECT, KY 2626 $5.2k $5.2k 0.00% New
18 Horrell Capital Management, Inc. 0.00% of their portfolio LITTLE ROCK, AR 1313 $2.7k $2.7k 0.00% Unchanged