What does CUSIP 03213A104 represent in this 13F holders report?

CUSIP 03213A104 is the security identifier for AMPL - Amplitude, Inc. - CLASS A COMMON STOCK used to aggregate holder disclosures.

How many institutions held AMPL - Amplitude, Inc. - CLASS A COMMON STOCK in Q1 2023?

131 institutional investors reported AMPL - Amplitude, Inc. - CLASS A COMMON STOCK for Q1 2023. Use the holders table for investor-level position and value details.

Amplitude, Inc. - CLASS A COMMON STOCK (AMPL)

CUSIP: 03213A104

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / CLASS A COMMON STOCK
Total 13F shares: 49,846,623
Total 13F value: $625,020,570
Share change: +1,324,780
Put/Call ratio: 14%
SEC-reported price per share: $12.44
Number of holders: 131
Value change: +$17,382,496
Number of buys: 68
Number of sells: 67
Shares outstanding: 103,093,733

Security key

03213A104

Report period

Q1 2023

Institutions

131

Top holders

AMPL full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Amplitude, Inc. SEC filings Amplitude, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 03213A104

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

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

Battery Management Corp.

Disclosed value leader

Battery Management Corp.

Comparable rows

0/15

Latest evidence

21 Mar 2023

13F 3/4/5 Highest disclosed value: $132,694,415 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 $132.69M.

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

Battery Management Corp. $132.69M

Battery Partners XI, LLC $107.86M

Steven M. Spurlock $97.03M

Institutional Venture Management ... $68.8M

An-Yen Hu $65.19M

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
Battery Management Corp.	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	— mixed-class rows	$132,694,415 6,076,345 shares	—	31 Dec 2022
Battery Partners XI, LLC	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$107,863,082 8,587,825 shares	—	21 Mar 2023
Steven M. Spurlock	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$97,032,404 9,264,298 shares	—	12 Nov 2021
Institutional Venture Management XV, LLC	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	— denominator unverified	$68,802,014 5,695,531 shares	—	31 Dec 2022
An-Yen Hu	3/4/5 10%+ Owner 3/4/5	— mixed-class rows	$65,186,539 6,221,723 shares mixed-class rows	—	30 Nov 2022
Benchmark Capital Management Co. VIII, L.L.C.	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$65,057,359 6,211,438 shares	—	30 Nov 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

131

49,846,623

Rows available

131

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 Q1 2023 Across Filers

Q1 2023 holders

131

Q1 2023 holders

131

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend