Security key
03213A104
Amplitude, Inc. - CLASS A COMMON STOCK (AMPL)
CUSIP: 03213A104
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / CLASS A COMMON STOCK
- Total 13F shares
- 34,750,601
- Total 13F value
- $1,839,914,508
- Share change
- -900,740
- Put/Call ratio
- 28%
- SEC-reported price per share
- $52.94
- Number of holders
- 106
- Value change
- -$49,659,076
- Number of buys
- 79
- Number of sells
- 26
- Shares outstanding
- 103,093,733
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
Q4 2021
Institutions
106
Top holders
10
AMPL full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
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. - CLASS A 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
Institutional Venture Man...
Disclosed value leader
Battery Management Corp.
Comparable rows
0/15
Latest evidence
13 Dec 2021
13F
3/4/5
Highest disclosed value: $759,925,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Battery Management Corp. has the largest disclosed position value at $759.92M.
0 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 Battery Management Corp.'s linked filing trail.
Disclosed position value
Top 5
Institutional Venture Management ...
$404.72M
Steven M. Spurlock
$97.03M
Jesse R. Feldman
$32.64M
Scott R. Tobin
$13.82M
Matt Cohler
$2.37M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Institutional Venture Management XV, LLC |
13F
3/4/5
Company · 10%+ Owner
|
—
denominator unverified
|
$404,724,000
7,448,002 shares
|
— | 30 Sep 2021 |
| Steven M. Spurlock |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$97,032,404
9,264,298 shares
|
— | 12 Nov 2021 |
| Jesse R. Feldman |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$32,643,264
2,598,986 shares
|
— | 19 Nov 2021 |
| Scott R. Tobin |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$13,815,360
1,099,949 shares
|
— | 13 Dec 2021 |
| Matt Cohler |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$2,370,738
188,753 shares
|
— | 23 Nov 2021 |
| Dennis B. Phelps |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$1,260,334
100,345 shares
|
— | 19 Nov 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
106
Shares
34,750,601
Rows available
106
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
50
Q4 2021 holders
106
Holder diff
56
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend