Stock ownership · SEC 13F · Q3 2025

AMPLITUDE INC

A breakdown of AMPLITUDE INC's institutional base (CUSIP 03213A104): the holders, the concentration among them, and what changed last quarter.

$610K
Reported value
3
Institutions
100%
Top-5 share

The verdict

$610K of AMPLITUDE INC is reported by 3 institutions as of Q3 2025; ownership is held overwhelmingly by a small core of institutions.

3
institutions hold it
$610K
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q3 2025; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 03213A104 · Q3 2025 $1M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-MID · BOOK-SHORT

  • VALUE-TRACE $0.6M
  • HOLDERS-FOCUS 3 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-MID 3 new
  • BOOK-SHORT 3Q history

Read with: Ownership concentration guide - AMPLITUDE INC's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Largest institutional holders of AMPLITUDE INC
  1. 1
  2. 2
  3. 3

Top 3 reported holders by value · Q3 2025

Top Institutional Holders

# Institution Shares Value Share of reported
1 JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) 32,265 $346K 56.7%
2 Penn Capital Management Company, LLC 24,573 $263K 43.2%
3 CIBC Private Wealth Group LLC 30 $322 0.1%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among AMPLITUDE INC's reported holders for Q3 2025, by reported value:

Shared-defined discretion (DFND)
56.7%
Sole discretion (SOLE)
43.3%

Latest Quarter Activity · Q3 2025

Frequently Asked Questions

How many institutions hold AMPLITUDE INC?
AMPLITUDE INC is held by 3 institutional investors per the latest SEC Form 13F filings as of Q3 2025.
What is the total institutional value of AMPLITUDE INC?
Institutions report $610K of AMPLITUDE INC as of Q3 2025.
How concentrated is ownership of AMPLITUDE INC?
The top five institutional holders account for 100% of the reported institutional value in AMPLITUDE INC, making ownership held overwhelmingly by a small core of institutions.
Who is the largest institutional holder of AMPLITUDE INC?
JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) is the largest reported holder of AMPLITUDE INC with $346K across 32,265 shares as of Q3 2025.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q3 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.