Security key
03213A104
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 72,315,789
- Total 13F value
- $737,553,809
- Share change
- +2,156,798
- Put/Call ratio
- 42%
- SEC-reported price per share
- $10.19
- Number of holders
- 193
- Value change
- +$21,865,428
- Number of buys
- 127
- Number of sells
- 46
- Shares outstanding
- 104,172,950
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 2025
Institutions
193
Top holders
10
AMPL full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Previous quarter: Q4 2024
Amplitude, Inc. SEC filings
Amplitude, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03213A104
Recent filing periods:
Ownership snapshot
Top reported holders of AMPL - Amplitude, Inc. - Common Stock (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
SC US (TTGP), LTD.
Disclosed value leader
Battery Management Corp.
Comparable rows
15/15
Latest evidence
31 Mar 2025
13D/G
3/4/5
13F
Lead comparable stake: 9.9%
13D/G row: SC US (TTGP), LTD.
Showing 1-6 of 15 holder rows.
Quick read
SC US (TTGP), LTD. leads the comparable SEC ownership view at 9.9%.
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 SC US (TTGP), LTD.'s linked filing trail.
Comparable ownership
Top 5
SC US (TTGP), LTD.
9.9%
Battery Ventures XI-A, L.P.
4.7%
VANGUARD GROUP INC
8.8%
T. Rowe Price Investment Manageme...
8.6%
FMR LLC
8.1%
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 |
|---|---|---|---|---|---|
| SC US (TTGP), LTD. |
13D/G
3/4/5
13F
SC US (TTGP), LTD. ("SC US (TTGP)") · 10%+ Owner · Company
|
9.9%
|
$90,681,044
10,223,342 shares
|
$0 | 20 Feb 2025 |
| Battery Ventures XI-A, L.P. |
13D/G
Neeraj Agrawal
|
4.7%
|
$41,385,513
4,665,785 shares
|
$0 | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
8.8%
|
$96,951,313
9,189,698 shares
|
— | 31 Dec 2024 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
8.6%
|
$94,911,000
8,996,229 shares
|
— | 31 Dec 2024 |
| FMR LLC |
13F
Company
|
8.1%
|
$88,523,945
8,390,895 shares
|
— | 31 Dec 2024 |
| Battery Management Corp. |
3/4/5
13F
10%+ Owner · Company
|
7.2%
from 13F
|
$128,515,578
11,047,393 shares
mixed-class rows
|
— | 09 May 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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
193
Shares
72,315,789
Rows available
193
| 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 2025 vs Q4 2024 Across Filers
Q4 2024 holders
144
Q1 2025 holders
193
Holder diff
49
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend