Who owns Amplitude, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AMPL from SEC Form 13F filings across 202 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 202 institutions disclosed 80.4M shares of Amplitude, Inc. worth $713.9M — about 62.1% of shares outstanding; the largest disclosed holder is WELLINGTON MANAGEMENT GROUP LLP. Source: SEC Form 13F filings, parsed by EvidInvest.
202
13F holders
$713.9M
value, 2026 filers
62.1%
of shares outstanding (80.4M sh)
37
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AMPL's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 11.1M | $84.8M | 0.0% | 8.6% | -0.6% |
| 2 | BlackRock, Inc. | 10.0M | $76.8M | 0.0% | 7.8% | -1.2% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1M | $46.5M | 0.0% | 4.7% | -1.3% |
| 4 | FMR LLC | 6.0M | $45.7M | 0.0% | 4.6% | +80.6% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 3.9M | $30.1M | 0.0% | 3% | -3.7% |
| 6 | SC US (TTGP), LTD. | 2.8M | $21.4M | 0.1% | 2.2% | 0.0% |
| 7 | STATE STREET CORP | 2.6M | $19.9M | 0.0% | 2% | +7.2% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.5M | $19.0M | 0.0% | 1.9% | +6.5% |
| 9 | Trigran Investments, Inc. | 2.3M | $17.8M | 3.3% | 1.8% | +510.0% |
| 10 | BAILLIE GIFFORD & CO | 1.8M | $13.6M | 0.0% | 1.4% | -32.4% |
| 11 | Optimus Prime Fund Management Co., Ltd. | 1.6M | $12.1M | 0.9% | 1.2% | 0.0% |
| 12 | AQR CAPITAL MANAGEMENT LLC | 1.5M | $11.5M | 0.0% | 1.2% | +22.1% |
| 13 | Point72 Asset Management, L.P. | 1.4M | $10.8M | 0.0% | 1.1% | -41.5% |
| 14 | MORGAN STANLEY | 1.1M | $8.8M | 0.0% | 0.9% | +24.9% |
| 15 | GAGNON SECURITIES LLC | 1.1M | $8.1M | 1.6% | 0.8% | -0.4% |
| 16 | ROYCE & ASSOCIATES LPNEW | 1.1M | $8.0M | 0.1% | 0.8% | new |
| 17 | Squarepoint Ops LLC | 1.0M | $7.8M | 0.0% | 0.8% | +43.4% |
| 18 | JACOBS LEVY EQUITY MANAGEMENT, INC | 959,626 | $7.3M | 0.0% | 0.7% | -44.6% |
| 19 | NORTHERN TRUST CORP | 924,363 | $7.1M | 0.0% | 0.7% | +6.4% |
| 20 | DIMENSIONAL FUND ADVISORS LP | 896,254 | $6.9M | 0.0% | 0.7% | +45.1% |
| 21 | CITADEL ADVISORS LLC | 872,866 | $6.7M | 0.0% | 0.7% | +2312.4% |
| 22 | Meros Investment Management, LP | 827,977 | $6.3M | 2.0% | 0.6% | -28.9% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 803,643 | $6.1M | 0.0% | 0.6% | +9.5% |
| 24 | MONIMUS CAPITAL MANAGEMENT, LP | 783,808 | $6.0M | 1.4% | 0.6% | -38.0% |
| 25 | CenterBook Partners LP | 771,163 | $5.9M | 0.3% | 0.6% | +1785.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.