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OPPENHEIMER & CO INC

Position in AMPX — Amprius Technologies, Inc.

CIK 822581 NEW YORK, NY

Position in AMPX

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$6,995,779
+$40,878 QoQ
Shares Held
504,746
+22.4% QoQ
Ownership
0.346%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#44
of 259 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMPX Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Jun 30, 2026

OPPENHEIMER & CO INC holds $55,605,666 across 9 Electrical Equipment & Parts names. AMPX ranks #4 (12.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 AMPX
Amprius Technologies, Inc.
This page
504,746 $6,995,779

All Filings in AMPX

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,995,779 504,746
2026-03-31 $6,954,901 412,509
2025-12-31 $3,488,090 442,090
2025-09-30 $3,149,046 299,339
2025-06-30 $1,891,119 449,197
2025-03-31 $1,316,893 491,378
2024-12-31 $328,020 117,150