CORNERSTONE PARTNERS CAPITAL MANAGEMENT, LLC
Position in AMPX — Amprius Technologies, Inc.
CIK 1845620
CHARLOTTESVILLE, VA
Position in AMPX
as of Jun 30, 2026
· filed Jul 30, 2026
Position Value
$425,585
-$92,118 QoQ
Shares Held
30,706
0.0% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
100.00%
of 13F equity value
Holder Rank
#151
of 259 holders
Holding Since
Mar 2025
6 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, 2026CORNERSTONE PARTNERS CAPITAL MANAGEMENT, LLC holds $425,585 across 1 Electrical Equipment & Parts name. AMPX ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMPX |
Amprius Technologies, Inc.
This page
|
30,706 | $425,585 |
All Filings in AMPX
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $425,585 | 30,706 | Shares | Sole | 2026-07-30 | |
| 2026-03-31 | $517,703 | 30,706 | Shares | Sole | 2026-04-24 | |
| 2025-12-31 | $242,270 | 30,706 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $323,027 | 30,706 | Shares | Sole | 2025-10-17 | |
| 2025-06-30 | $129,272 | 30,706 | Shares | Sole | 2025-07-22 | |
| 2025-03-31 | $41,146 | 15,353 | Shares | Sole | 2025-04-22 | |
| No filing history on record for this holder in this stock. | ||||||