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BLAIR WILLIAM & CO/IL

Position in AEIS — Advanced Energy Industries Inc

CIK 902367 CHICAGO, IL

Position in AEIS

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$1,187,250
+$771,442 QoQ
Shares Held
3,679
+85.2% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority Sole 57.51562924707802.ToString("F0")% Shared 0.ToString("F0")% None 42.48437075292199.ToString("F0")%

Common Shares in AEIS Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $49,121,093 across 11 Electrical Equipment & Parts names. AEIS ranks #8 (2.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 AEIS
Advanced Energy Industries Inc
This page
3,679 $1,187,250

All Filings in AEIS

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4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,187,250 3,679
2025-12-31 $415,808 1,986
2025-09-30 $377,880 2,221
2025-06-30 $253,075 1,910