Who owns Amplitude, Inc.?
Institutional ownership of AMPL from SEC Form 13F filings across 142 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.
142
13F holders
$477.6M
value, 2026 filers
47.4%
of shares outstanding (63.0M sh)
22
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% | 8.3% | -0.6% |
| 2 | BlackRock, Inc. | 10.0M | $76.8M | 0.0% | 7.6% | -1.2% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1M | $46.5M | 0.0% | 4.6% | -1.3% |
| 4 | FMR LLC | 6.0M | $45.7M | 0.0% | 4.5% | +80.6% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 3.9M | $30.1M | 0.0% | 3% | -51.9% |
| 6 | SC US (TTGP), LTD. | 2.8M | $21.4M | 0.1% | 2.1% | 0.0% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 2.5M | $19.0M | 0.0% | 1.9% | +6.5% |
| 8 | BAILLIE GIFFORD & CO | 1.8M | $13.6M | 0.0% | 1.3% | -32.4% |
| 9 | Point72 Asset Management, L.P. | 1.4M | $10.8M | 0.0% | 1.1% | -41.5% |
| 10 | MORGAN STANLEY | 1.1M | $8.8M | 0.0% | 0.9% | +24.9% |
| 11 | Squarepoint Ops LLC | 1.0M | $7.8M | 0.0% | 0.8% | +43.4% |
| 12 | NORTHERN TRUST CORP | 924,363 | $7.1M | 0.0% | 0.7% | +6.4% |
| 13 | CITADEL ADVISORS LLC | 872,866 | $6.7M | 0.0% | 0.7% | +2312.4% |
| 14 | Sixth Street Partners Management Company, L.P.NEW | 803,643 | $6.1M | 1.1% | 0.6% | new |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 803,643 | $6.1M | 0.0% | 0.6% | +9.5% |
| 16 | CenterBook Partners LP | 771,163 | $5.9M | 0.3% | 0.6% | +1785.1% |
| 17 | VANGUARD FIDUCIARY TRUST CO | 677,695 | $5.2M | 0.0% | 0.5% | +2.6% |
| 18 | Cerity Partners LLC | 473,812 | $3.6M | 0.0% | 0.4% | +2.4% |
| 19 | ACADIAN ASSET MANAGEMENT LLC | 467,502 | $3,571 | 0.0% | 0.4% | -41.6% |
| 20 | Verition Fund Management LLC | 451,746 | $3.5M | 0.0% | 0.3% | +68.5% |
| 21 | TWO SIGMA INVESTMENTS, LP | 416,224 | $3.2M | 0.0% | 0.3% | -39.8% |
| 22 | Quantinno Capital Management LP | 402,757 | $3.1M | 0.0% | 0.3% | +8.7% |
| 23 | MILLENNIUM MANAGEMENT LLC | 383,771 | $2.9M | 0.0% | 0.3% | -81.1% |
| 24 | LAZARD ASSET MANAGEMENT LLC | 355,092 | $2.7M | 0.0% | 0.3% | +2123.8% |
| 25 | MERCER GLOBAL ADVISORS INC /ADV | 342,860 | $2.6M | 0.0% | 0.3% | +4.1% |
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.