Amplitude (AMPL)
Runs the behavioral database product and growth teams query to see how people use software.
$13.14
After hours0.00 (0.00%)
At close$13.14(−2.16%)
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13F · 13D/G · Form 4
| Institutions | 65.03% | 81.23M shares | |
|---|---|---|---|
| 214 holders · as of Jun 30, 2026 | |||
| Insiders | 17.23% | 21.52M shares | |
| 11 holders · as of Sep 14, 2026 | |||
| Strategic holders | 4.15% | 5.18M shares | |
| 1 holder · as of Jan 29, 2024 | |||
| Other | 13.59% | 16.98M shares | |
| remainder | |||
124.92M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This company has 2 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
214 holders · 81.23M shares · 39 new positions · 121 increased · 62 reduced · 47 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| Wellington Management Group LLP | 11.09M | 8.87% | −68.6K | Aug 14, 2026 |
| BlackRock, Inc. | 10.04M | 8.04% | −117.4K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 6.08M | 4.87% | −81.2K | Aug 13, 2026 |
| FMR LLC | 5.98M | 4.79% | +2.67M | Aug 13, 2026 |
| Vanguard Capital Management LLC | 3.94M | 3.15% | −151.6K | Aug 13, 2026 |
| SC US (TTGP), Ltd. | 2.80M | 2.24% | 0 | Aug 14, 2026 |
| State Street Corp | 2.60M | 2.09% | +175.4K | Aug 7, 2026 |
| Geode Capital Management, LLC | 2.48M | 1.98% | +151.5K | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Wellington Management Group LLP | 10.70% | 11.15M | 13G | Apr 7, 2026 |
| Vanguard Portfolio Management | 6.00% | 6.25M | 13G | Apr 28, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 10, 2026 | Spenser Skatesdirector, 10 percent owner, officer: CEO and President | Sale | 185,000 | $12.30 | 0 |
| Sep 4, 2026 | Nathaniel Glenn Crookofficer: Chief Commercial Officer | Sale | 300,000 | $12.99 | 1,622,696 |
| Jun 1, 2026 | Curtis Liudirector, 10 percent owner, officer: Chief Technology Officer | Sale | 22,786 | $8.03 | 1,004,194 |
| Jun 12, 2026 | Catherine Wongdirector | Sale | 7,453 | $6.79 | 111,462 |
| May 4, 2026 | Curtis Liudirector, 10 percent owner, officer: Chief Technology Officer | Sale | 17,586 | $8.12 | 1,067,259 |
| Mar 6, 2026 | Curtis Liudirector, 10 percent owner, officer: Chief Technology Officer | Sale | 33,201 | $8.01 | 603,756 |
| Mar 5, 2026 | Curtis Liudirector, 10 percent owner, officer: Chief Technology Officer | Sale | 30,061 | $8.00 | 636,957 |
| Dec 26, 2025 | Spenser Skatesdirector, 10 percent owner, officer: Chief Executive Officer | Sale | 100 | $12.00 | 0 |
| Dec 24, 2025 | Spenser Skatesdirector, 10 percent owner, officer: Chief Executive Officer | Sale | 42,743 | $12.01 | 0 |
| Dec 15, 2025 | Erica Schultzdirector | Sale | 10,000 | $10.88 | 114,906 |
House and Senate disclosures
Not reported.