Security key
03214Q108
Amprius Technologies, Inc. - Common stock, $0.0001 par value (AMPX)
CUSIP: 03214Q108
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common stock, $0.0001 par value
- Total 13F shares
- 1,947,022
- Total 13F value
- $16,956,748
- Share change
- +86,518
- Put/Call ratio
- 12%
- SEC-reported price per share
- $8.71
- Number of holders
- 25
- Value change
- +$807,030
- Number of buys
- 16
- Number of sells
- 10
- Shares outstanding
- 137,544,784
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2023
Institutions
25
Top holders
10
AMPX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2023
Previous quarter: Q4 2022
Amprius Technologies, Inc. SEC filings
Amprius Technologies, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03214Q108
Recent filing periods:
Ownership snapshot
Top reported holders of AMPX - Amprius Technologies, Inc. - Common stock, $0.0001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
JANUS HENDERSON GROUP PLC
Disclosed value leader
JANUS HENDERSON GROUP PLC
Comparable rows
15/15
Latest evidence
31 Dec 2022
13F
Lead comparable stake: 0.75%
Showing 1-6 of 15 holder rows.
Quick read
JANUS HENDERSON GROUP PLC leads the comparable SEC ownership view at 0.75%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens JANUS HENDERSON GROUP PLC's linked filing trail.
Comparable ownership
Top 5
JANUS HENDERSON GROUP PLC
0.75%
VANGUARD GROUP INC
0.15%
BlackRock Finance, Inc.
0.12%
KPCB XIV Associates, LLC
0.07%
GEODE CAPITAL MANAGEMENT, LLC
0.07%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC |
13F
Company
|
0.75%
|
$8,163,356
1,029,427 shares
|
— | 31 Dec 2022 |
| VANGUARD GROUP INC |
13F
Company
|
0.15%
|
$1,605,564
202,467 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
0.12%
|
$1,326,356
167,258 shares
|
— | 31 Dec 2022 |
| KPCB XIV Associates, LLC |
13F
Company
|
0.07%
|
$793,000
100,000 shares
|
— | 31 Dec 2022 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.07%
|
$710,000
89,584 shares
|
— | 31 Dec 2022 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
0.05%
|
$529,494
66,771 shares
|
— | 31 Dec 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
25
Shares
1,947,022
Rows available
25
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2023 vs Q4 2022 Across Filers
Q4 2022 holders
22
Q1 2023 holders
25
Holder diff
3
| Investor | Q4 2022 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q4 2022 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend